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From randg...@apache.org
Subject [2/2] git commit: Added leader selector
Date Thu, 29 May 2014 17:16:18 GMT
Added leader selector


Project: http://git-wip-us.apache.org/repos/asf/curator/repo
Commit: http://git-wip-us.apache.org/repos/asf/curator/commit/1f11d389
Tree: http://git-wip-us.apache.org/repos/asf/curator/tree/1f11d389
Diff: http://git-wip-us.apache.org/repos/asf/curator/diff/1f11d389

Branch: refs/heads/curator-rpc
Commit: 1f11d3899545539803cb8d1a9cc82c94380c1144
Parents: f55b455
Author: randgalt <randgalt@apache.org>
Authored: Thu May 29 12:16:05 2014 -0500
Committer: randgalt <randgalt@apache.org>
Committed: Thu May 29 12:16:05 2014 -0500

----------------------------------------------------------------------
 .../curator/x/rpc/connections/CuratorEntry.java |    7 +-
 .../curator/x/rpc/idl/event/LeaderEvent.java    |   28 +
 .../curator/x/rpc/idl/event/LeaderResult.java   |   25 +
 .../x/rpc/idl/event/RpcCuratorEvent.java        |   22 +
 .../x/rpc/idl/event/RpcCuratorEventType.java    |    3 +-
 .../projection/CuratorProjectionService.java    |   59 +-
 curator-x-rpc/src/main/thrift/curator.thrift    |   15 +-
 .../apache/curator/generated/CuratorEvent.java  |  113 +-
 .../curator/generated/CuratorEventType.java     |    5 +-
 .../curator/generated/CuratorService.java       | 1160 ++++++++++++++++++
 .../apache/curator/generated/LeaderEvent.java   |  586 +++++++++
 .../apache/curator/generated/LeaderResult.java  |  491 ++++++++
 .../org/apache/curator/x/rpc/TestClient.java    |    4 +
 13 files changed, 2508 insertions(+), 10 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/curator/blob/1f11d389/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/connections/CuratorEntry.java
----------------------------------------------------------------------
diff --git a/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/connections/CuratorEntry.java b/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/connections/CuratorEntry.java
index 0c4bb8b..1ecd795 100644
--- a/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/connections/CuratorEntry.java
+++ b/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/connections/CuratorEntry.java
@@ -90,7 +90,12 @@ public class CuratorEntry implements Closeable
 
     public <T> String addThing(T thing, Closer<T> closer)
     {
-        return addThing(UUID.randomUUID().toString(), thing, closer);
+        return addThing(newId(), thing, closer);
+    }
+
+    public static String newId()
+    {
+        return UUID.randomUUID().toString();
     }
 
     public <T> String addThing(String id, T thing, Closer<T> closer)

http://git-wip-us.apache.org/repos/asf/curator/blob/1f11d389/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/event/LeaderEvent.java
----------------------------------------------------------------------
diff --git a/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/event/LeaderEvent.java b/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/event/LeaderEvent.java
new file mode 100644
index 0000000..bd86dce
--- /dev/null
+++ b/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/event/LeaderEvent.java
@@ -0,0 +1,28 @@
+package org.apache.curator.x.rpc.idl.event;
+
+import com.facebook.swift.codec.ThriftField;
+import com.facebook.swift.codec.ThriftStruct;
+
+@ThriftStruct("LeaderEvent")
+public class LeaderEvent
+{
+    @ThriftField(1)
+    public String path;
+
+    @ThriftField(2)
+    public String participantId;
+
+    @ThriftField(3)
+    public boolean isLeader;
+
+    public LeaderEvent()
+    {
+    }
+
+    public LeaderEvent(String path, String participantId, boolean isLeader)
+    {
+        this.path = path;
+        this.participantId = participantId;
+        this.isLeader = isLeader;
+    }
+}

http://git-wip-us.apache.org/repos/asf/curator/blob/1f11d389/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/event/LeaderResult.java
----------------------------------------------------------------------
diff --git a/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/event/LeaderResult.java b/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/event/LeaderResult.java
new file mode 100644
index 0000000..7a67b62
--- /dev/null
+++ b/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/event/LeaderResult.java
@@ -0,0 +1,25 @@
+package org.apache.curator.x.rpc.idl.event;
+
+import com.facebook.swift.codec.ThriftField;
+import com.facebook.swift.codec.ThriftStruct;
+import org.apache.curator.x.rpc.idl.projection.GenericProjection;
+
+@ThriftStruct("LeaderResult")
+public class LeaderResult
+{
+    @ThriftField(1)
+    public GenericProjection projection;
+
+    @ThriftField(2)
+    public boolean hasLeadership;
+
+    public LeaderResult()
+    {
+    }
+
+    public LeaderResult(GenericProjection projection, boolean hasLeadership)
+    {
+        this.projection = projection;
+        this.hasLeadership = hasLeadership;
+    }
+}

http://git-wip-us.apache.org/repos/asf/curator/blob/1f11d389/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/event/RpcCuratorEvent.java
----------------------------------------------------------------------
diff --git a/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/event/RpcCuratorEvent.java b/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/event/RpcCuratorEvent.java
index 50bbbf3..7835b39 100644
--- a/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/event/RpcCuratorEvent.java
+++ b/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/event/RpcCuratorEvent.java
@@ -66,6 +66,9 @@ public class RpcCuratorEvent
     @ThriftField(11)
     public RpcWatchedEvent watchedEvent;
 
+    @ThriftField(12)
+    public LeaderEvent leaderEvent;
+
     public RpcCuratorEvent()
     {
         this.type = RpcCuratorEventType.PING;
@@ -78,6 +81,7 @@ public class RpcCuratorEvent
         this.children = null;
         this.aclList = null;
         this.watchedEvent = null;
+        this.leaderEvent = null;
     }
 
     public RpcCuratorEvent(CuratorEvent event)
@@ -92,6 +96,7 @@ public class RpcCuratorEvent
         this.children = event.getChildren();
         this.aclList = toRpcAclList(event.getACLList());
         this.watchedEvent = toRpcWatchedEvent(event.getWatchedEvent());
+        this.leaderEvent = null;
     }
 
     public RpcCuratorEvent(ConnectionState newState)
@@ -106,6 +111,7 @@ public class RpcCuratorEvent
         this.children = null;
         this.aclList = null;
         this.watchedEvent = null;
+        this.leaderEvent = null;
     }
 
     public RpcCuratorEvent(WatchedEvent event)
@@ -120,6 +126,22 @@ public class RpcCuratorEvent
         this.children = null;
         this.aclList = null;
         this.watchedEvent = new RpcWatchedEvent(toRpcKeeperState(event.getState()), toRpcEventType(event.getType()), event.getPath());
+        this.leaderEvent = null;
+    }
+
+    public RpcCuratorEvent(LeaderEvent event)
+    {
+        this.type = RpcCuratorEventType.LEADER;
+        this.resultCode = 0;
+        this.path = event.path;
+        this.context = null;
+        this.stat = null;
+        this.data = null;
+        this.name = null;
+        this.children = null;
+        this.aclList = null;
+        this.watchedEvent = null;
+        this.leaderEvent = event;
     }
 
     private RpcCuratorEventType toRpcCuratorEventType(ConnectionState state)

http://git-wip-us.apache.org/repos/asf/curator/blob/1f11d389/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/event/RpcCuratorEventType.java
----------------------------------------------------------------------
diff --git a/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/event/RpcCuratorEventType.java b/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/event/RpcCuratorEventType.java
index f8d6468..1102740 100644
--- a/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/event/RpcCuratorEventType.java
+++ b/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/event/RpcCuratorEventType.java
@@ -39,5 +39,6 @@ public enum RpcCuratorEventType
     CONNECTION_SUSPENDED,
     CONNECTION_RECONNECTED,
     CONNECTION_LOST,
-    CONNECTION_READ_ONLY
+    CONNECTION_READ_ONLY,
+    LEADER
 }

http://git-wip-us.apache.org/repos/asf/curator/blob/1f11d389/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/projection/CuratorProjectionService.java
----------------------------------------------------------------------
diff --git a/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/projection/CuratorProjectionService.java b/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/projection/CuratorProjectionService.java
index 1daf1e7..97f3a27 100644
--- a/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/projection/CuratorProjectionService.java
+++ b/curator-x-rpc/src/main/java/org/apache/curator/x/rpc/idl/projection/CuratorProjectionService.java
@@ -23,6 +23,8 @@ import com.facebook.swift.service.ThriftMethod;
 import com.facebook.swift.service.ThriftService;
 import org.apache.curator.framework.CuratorFramework;
 import org.apache.curator.framework.api.*;
+import org.apache.curator.framework.recipes.leader.LeaderLatch;
+import org.apache.curator.framework.recipes.leader.LeaderLatchListener;
 import org.apache.curator.framework.recipes.locks.InterProcessSemaphoreMutex;
 import org.apache.curator.framework.state.ConnectionState;
 import org.apache.curator.framework.state.ConnectionStateListener;
@@ -31,6 +33,8 @@ import org.apache.curator.x.rpc.connections.ConnectionManager;
 import org.apache.curator.x.rpc.connections.CuratorEntry;
 import org.apache.curator.x.rpc.details.RpcBackgroundCallback;
 import org.apache.curator.x.rpc.details.RpcWatcher;
+import org.apache.curator.x.rpc.idl.event.LeaderEvent;
+import org.apache.curator.x.rpc.idl.event.LeaderResult;
 import org.apache.curator.x.rpc.idl.event.OptionalChildrenList;
 import org.apache.curator.x.rpc.idl.event.OptionalPath;
 import org.apache.curator.x.rpc.idl.event.OptionalRpcStat;
@@ -39,8 +43,8 @@ import org.apache.curator.x.rpc.idl.event.RpcStat;
 import org.apache.zookeeper.data.Stat;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import java.io.IOException;
 import java.util.List;
-import java.util.UUID;
 import java.util.concurrent.TimeUnit;
 
 @ThriftService("CuratorService")
@@ -59,7 +63,7 @@ public class CuratorProjectionService
     {
         CuratorFramework client = connectionManager.newConnection(connectionName);
 
-        String id = UUID.randomUUID().toString();
+        String id = CuratorEntry.newId();
         client.start();
         connectionManager.add(id, client);
         final CuratorProjection projection = new CuratorProjection(id);
@@ -284,6 +288,57 @@ public class CuratorProjectionService
         return new GenericProjection(id);
     }
 
+    @ThriftMethod
+    public LeaderResult startLeaderSelector(final CuratorProjection projection, final String path, final String participantId, int waitForLeadershipMs) throws Exception
+    {
+        CuratorEntry entry = getEntry(projection);
+
+        LeaderLatch leaderLatch = new LeaderLatch(entry.getClient(), path, participantId);
+        leaderLatch.start();
+
+        Closer<LeaderLatch> closer = new Closer<LeaderLatch>()
+        {
+            @Override
+            public void close(LeaderLatch latch)
+            {
+                try
+                {
+                    latch.close();
+                }
+                catch ( IOException e )
+                {
+                    log.error("Could not close left-over leader latch for path: " + path, e);
+                }
+            }
+        };
+        final String id = CuratorEntry.newId();
+        entry.addThing(id, leaderLatch, closer);
+
+        LeaderLatchListener listener = new LeaderLatchListener()
+        {
+            @Override
+            public void isLeader()
+            {
+                addEvent(projection, new RpcCuratorEvent(new LeaderEvent(path, participantId, true)));
+            }
+
+            @Override
+            public void notLeader()
+            {
+                addEvent(projection, new RpcCuratorEvent(new LeaderEvent(path, participantId, false)));
+            }
+        };
+        leaderLatch.addListener(listener);
+
+        if ( waitForLeadershipMs > 0 )
+        {
+            leaderLatch.await(waitForLeadershipMs, TimeUnit.MILLISECONDS);
+        }
+
+        GenericProjection leaderProjection = new GenericProjection(id);
+        return new LeaderResult(leaderProjection, leaderLatch.hasLeadership());
+    }
+
     public void addEvent(CuratorProjection projection, RpcCuratorEvent event)
     {
         CuratorEntry entry = connectionManager.get(projection.id);

http://git-wip-us.apache.org/repos/asf/curator/blob/1f11d389/curator-x-rpc/src/main/thrift/curator.thrift
----------------------------------------------------------------------
diff --git a/curator-x-rpc/src/main/thrift/curator.thrift b/curator-x-rpc/src/main/thrift/curator.thrift
index afcbb08..ec52895 100644
--- a/curator-x-rpc/src/main/thrift/curator.thrift
+++ b/curator-x-rpc/src/main/thrift/curator.thrift
@@ -8,7 +8,7 @@ enum CreateMode {
 }
 
 enum CuratorEventType {
-  PING, CREATE, DELETE, EXISTS, GET_DATA, SET_DATA, CHILDREN, SYNC, GET_ACL, SET_ACL, WATCHED, CLOSING, CONNECTION_CONNECTED, CONNECTION_SUSPENDED, CONNECTION_RECONNECTED, CONNECTION_LOST, CONNECTION_READ_ONLY
+  PING, CREATE, DELETE, EXISTS, GET_DATA, SET_DATA, CHILDREN, SYNC, GET_ACL, SET_ACL, WATCHED, CLOSING, CONNECTION_CONNECTED, CONNECTION_SUSPENDED, CONNECTION_RECONNECTED, CONNECTION_LOST, CONNECTION_READ_ONLY, LEADER
 }
 
 enum EventType {
@@ -60,6 +60,17 @@ struct Version {
   1: i32 version;
 }
 
+struct LeaderEvent {
+  1: string path;
+  2: string participantId;
+  3: bool isLeader;
+}
+
+struct LeaderResult {
+  1: GenericProjection projection;
+  2: bool hasLeadership;
+}
+
 struct OptionalChildrenList {
   1: list<string> children;
 }
@@ -130,6 +141,7 @@ struct CuratorEvent {
   9: list<string> children;
   10: list<Acl> aclList;
   11: WatchedEvent watchedEvent;
+  12: LeaderEvent leaderEvent;
 }
 
 service CuratorService {
@@ -143,6 +155,7 @@ service CuratorService {
   binary getData(1: CuratorProjection projection, 2: GetDataSpec spec);
   CuratorProjection newCuratorProjection(1: string connectionName);
   Stat setData(1: CuratorProjection projection, 2: SetDataSpec spec);
+  LeaderResult startLeaderSelector(1: CuratorProjection projection, 2: string path, 3: string participantId, 4: i32 waitForLeadershipMs);
 }
 
 service EventService {

http://git-wip-us.apache.org/repos/asf/curator/blob/1f11d389/curator-x-rpc/src/test/java/org/apache/curator/generated/CuratorEvent.java
----------------------------------------------------------------------
diff --git a/curator-x-rpc/src/test/java/org/apache/curator/generated/CuratorEvent.java b/curator-x-rpc/src/test/java/org/apache/curator/generated/CuratorEvent.java
index 54afe6b..847e89e 100644
--- a/curator-x-rpc/src/test/java/org/apache/curator/generated/CuratorEvent.java
+++ b/curator-x-rpc/src/test/java/org/apache/curator/generated/CuratorEvent.java
@@ -45,6 +45,7 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
   private static final org.apache.thrift.protocol.TField CHILDREN_FIELD_DESC = new org.apache.thrift.protocol.TField("children", org.apache.thrift.protocol.TType.LIST, (short)9);
   private static final org.apache.thrift.protocol.TField ACL_LIST_FIELD_DESC = new org.apache.thrift.protocol.TField("aclList", org.apache.thrift.protocol.TType.LIST, (short)10);
   private static final org.apache.thrift.protocol.TField WATCHED_EVENT_FIELD_DESC = new org.apache.thrift.protocol.TField("watchedEvent", org.apache.thrift.protocol.TType.STRUCT, (short)11);
+  private static final org.apache.thrift.protocol.TField LEADER_EVENT_FIELD_DESC = new org.apache.thrift.protocol.TField("leaderEvent", org.apache.thrift.protocol.TType.STRUCT, (short)12);
 
   private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
   static {
@@ -66,6 +67,7 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
   public List<String> children; // required
   public List<Acl> aclList; // required
   public WatchedEvent watchedEvent; // required
+  public LeaderEvent leaderEvent; // required
 
   /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
   public enum _Fields implements org.apache.thrift.TFieldIdEnum {
@@ -82,7 +84,8 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
     NAME((short)8, "name"),
     CHILDREN((short)9, "children"),
     ACL_LIST((short)10, "aclList"),
-    WATCHED_EVENT((short)11, "watchedEvent");
+    WATCHED_EVENT((short)11, "watchedEvent"),
+    LEADER_EVENT((short)12, "leaderEvent");
 
     private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();
 
@@ -117,6 +120,8 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
           return ACL_LIST;
         case 11: // WATCHED_EVENT
           return WATCHED_EVENT;
+        case 12: // LEADER_EVENT
+          return LEADER_EVENT;
         default:
           return null;
       }
@@ -184,6 +189,8 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
             new org.apache.thrift.meta_data.StructMetaData(org.apache.thrift.protocol.TType.STRUCT, Acl.class))));
     tmpMap.put(_Fields.WATCHED_EVENT, new org.apache.thrift.meta_data.FieldMetaData("watchedEvent", org.apache.thrift.TFieldRequirementType.DEFAULT, 
         new org.apache.thrift.meta_data.StructMetaData(org.apache.thrift.protocol.TType.STRUCT, WatchedEvent.class)));
+    tmpMap.put(_Fields.LEADER_EVENT, new org.apache.thrift.meta_data.FieldMetaData("leaderEvent", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+        new org.apache.thrift.meta_data.StructMetaData(org.apache.thrift.protocol.TType.STRUCT, LeaderEvent.class)));
     metaDataMap = Collections.unmodifiableMap(tmpMap);
     org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(CuratorEvent.class, metaDataMap);
   }
@@ -201,7 +208,8 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
     String name,
     List<String> children,
     List<Acl> aclList,
-    WatchedEvent watchedEvent)
+    WatchedEvent watchedEvent,
+    LeaderEvent leaderEvent)
   {
     this();
     this.type = type;
@@ -215,6 +223,7 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
     this.children = children;
     this.aclList = aclList;
     this.watchedEvent = watchedEvent;
+    this.leaderEvent = leaderEvent;
   }
 
   /**
@@ -256,6 +265,9 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
     if (other.isSetWatchedEvent()) {
       this.watchedEvent = new WatchedEvent(other.watchedEvent);
     }
+    if (other.isSetLeaderEvent()) {
+      this.leaderEvent = new LeaderEvent(other.leaderEvent);
+    }
   }
 
   public CuratorEvent deepCopy() {
@@ -275,6 +287,7 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
     this.children = null;
     this.aclList = null;
     this.watchedEvent = null;
+    this.leaderEvent = null;
   }
 
   /**
@@ -564,6 +577,30 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
     }
   }
 
+  public LeaderEvent getLeaderEvent() {
+    return this.leaderEvent;
+  }
+
+  public CuratorEvent setLeaderEvent(LeaderEvent leaderEvent) {
+    this.leaderEvent = leaderEvent;
+    return this;
+  }
+
+  public void unsetLeaderEvent() {
+    this.leaderEvent = null;
+  }
+
+  /** Returns true if field leaderEvent is set (has been assigned a value) and false otherwise */
+  public boolean isSetLeaderEvent() {
+    return this.leaderEvent != null;
+  }
+
+  public void setLeaderEventIsSet(boolean value) {
+    if (!value) {
+      this.leaderEvent = null;
+    }
+  }
+
   public void setFieldValue(_Fields field, Object value) {
     switch (field) {
     case TYPE:
@@ -646,6 +683,14 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
       }
       break;
 
+    case LEADER_EVENT:
+      if (value == null) {
+        unsetLeaderEvent();
+      } else {
+        setLeaderEvent((LeaderEvent)value);
+      }
+      break;
+
     }
   }
 
@@ -681,6 +726,9 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
     case WATCHED_EVENT:
       return getWatchedEvent();
 
+    case LEADER_EVENT:
+      return getLeaderEvent();
+
     }
     throw new IllegalStateException();
   }
@@ -712,6 +760,8 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
       return isSetAclList();
     case WATCHED_EVENT:
       return isSetWatchedEvent();
+    case LEADER_EVENT:
+      return isSetLeaderEvent();
     }
     throw new IllegalStateException();
   }
@@ -819,6 +869,15 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
         return false;
     }
 
+    boolean this_present_leaderEvent = true && this.isSetLeaderEvent();
+    boolean that_present_leaderEvent = true && that.isSetLeaderEvent();
+    if (this_present_leaderEvent || that_present_leaderEvent) {
+      if (!(this_present_leaderEvent && that_present_leaderEvent))
+        return false;
+      if (!this.leaderEvent.equals(that.leaderEvent))
+        return false;
+    }
+
     return true;
   }
 
@@ -935,6 +994,16 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
         return lastComparison;
       }
     }
+    lastComparison = Boolean.valueOf(isSetLeaderEvent()).compareTo(other.isSetLeaderEvent());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetLeaderEvent()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.leaderEvent, other.leaderEvent);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
     return 0;
   }
 
@@ -1030,6 +1099,14 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
       sb.append(this.watchedEvent);
     }
     first = false;
+    if (!first) sb.append(", ");
+    sb.append("leaderEvent:");
+    if (this.leaderEvent == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.leaderEvent);
+    }
+    first = false;
     sb.append(")");
     return sb.toString();
   }
@@ -1043,6 +1120,9 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
     if (watchedEvent != null) {
       watchedEvent.validate();
     }
+    if (leaderEvent != null) {
+      leaderEvent.validate();
+    }
   }
 
   private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
@@ -1184,6 +1264,15 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
               org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
             }
             break;
+          case 12: // LEADER_EVENT
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRUCT) {
+              struct.leaderEvent = new LeaderEvent();
+              struct.leaderEvent.read(iprot);
+              struct.setLeaderEventIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
           default:
             org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
         }
@@ -1261,6 +1350,11 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
         struct.watchedEvent.write(oprot);
         oprot.writeFieldEnd();
       }
+      if (struct.leaderEvent != null) {
+        oprot.writeFieldBegin(LEADER_EVENT_FIELD_DESC);
+        struct.leaderEvent.write(oprot);
+        oprot.writeFieldEnd();
+      }
       oprot.writeFieldStop();
       oprot.writeStructEnd();
     }
@@ -1309,7 +1403,10 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
       if (struct.isSetWatchedEvent()) {
         optionals.set(9);
       }
-      oprot.writeBitSet(optionals, 10);
+      if (struct.isSetLeaderEvent()) {
+        optionals.set(10);
+      }
+      oprot.writeBitSet(optionals, 11);
       if (struct.isSetType()) {
         oprot.writeI32(struct.type.getValue());
       }
@@ -1352,12 +1449,15 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
       if (struct.isSetWatchedEvent()) {
         struct.watchedEvent.write(oprot);
       }
+      if (struct.isSetLeaderEvent()) {
+        struct.leaderEvent.write(oprot);
+      }
     }
 
     @Override
     public void read(org.apache.thrift.protocol.TProtocol prot, CuratorEvent struct) throws org.apache.thrift.TException {
       TTupleProtocol iprot = (TTupleProtocol) prot;
-      BitSet incoming = iprot.readBitSet(10);
+      BitSet incoming = iprot.readBitSet(11);
       if (incoming.get(0)) {
         struct.type = CuratorEventType.findByValue(iprot.readI32());
         struct.setTypeIsSet(true);
@@ -1419,6 +1519,11 @@ public class CuratorEvent implements org.apache.thrift.TBase<CuratorEvent, Curat
         struct.watchedEvent.read(iprot);
         struct.setWatchedEventIsSet(true);
       }
+      if (incoming.get(10)) {
+        struct.leaderEvent = new LeaderEvent();
+        struct.leaderEvent.read(iprot);
+        struct.setLeaderEventIsSet(true);
+      }
     }
   }
 

http://git-wip-us.apache.org/repos/asf/curator/blob/1f11d389/curator-x-rpc/src/test/java/org/apache/curator/generated/CuratorEventType.java
----------------------------------------------------------------------
diff --git a/curator-x-rpc/src/test/java/org/apache/curator/generated/CuratorEventType.java b/curator-x-rpc/src/test/java/org/apache/curator/generated/CuratorEventType.java
index ce31158..4e6fad1 100644
--- a/curator-x-rpc/src/test/java/org/apache/curator/generated/CuratorEventType.java
+++ b/curator-x-rpc/src/test/java/org/apache/curator/generated/CuratorEventType.java
@@ -28,7 +28,8 @@ public enum CuratorEventType implements org.apache.thrift.TEnum {
   CONNECTION_SUSPENDED(13),
   CONNECTION_RECONNECTED(14),
   CONNECTION_LOST(15),
-  CONNECTION_READ_ONLY(16);
+  CONNECTION_READ_ONLY(16),
+  LEADER(17);
 
   private final int value;
 
@@ -83,6 +84,8 @@ public enum CuratorEventType implements org.apache.thrift.TEnum {
         return CONNECTION_LOST;
       case 16:
         return CONNECTION_READ_ONLY;
+      case 17:
+        return LEADER;
       default:
         return null;
     }

http://git-wip-us.apache.org/repos/asf/curator/blob/1f11d389/curator-x-rpc/src/test/java/org/apache/curator/generated/CuratorService.java
----------------------------------------------------------------------
diff --git a/curator-x-rpc/src/test/java/org/apache/curator/generated/CuratorService.java b/curator-x-rpc/src/test/java/org/apache/curator/generated/CuratorService.java
index 1cf2786..38a29cc 100644
--- a/curator-x-rpc/src/test/java/org/apache/curator/generated/CuratorService.java
+++ b/curator-x-rpc/src/test/java/org/apache/curator/generated/CuratorService.java
@@ -56,6 +56,8 @@ public class CuratorService {
 
     public Stat setData(CuratorProjection projection, SetDataSpec spec) throws org.apache.thrift.TException;
 
+    public LeaderResult startLeaderSelector(CuratorProjection projection, String path, String participantId, int waitForLeadershipMs) throws org.apache.thrift.TException;
+
   }
 
   public interface AsyncIface {
@@ -80,6 +82,8 @@ public class CuratorService {
 
     public void setData(CuratorProjection projection, SetDataSpec spec, org.apache.thrift.async.AsyncMethodCallback resultHandler) throws org.apache.thrift.TException;
 
+    public void startLeaderSelector(CuratorProjection projection, String path, String participantId, int waitForLeadershipMs, org.apache.thrift.async.AsyncMethodCallback resultHandler) throws org.apache.thrift.TException;
+
   }
 
   public static class Client extends org.apache.thrift.TServiceClient implements Iface {
@@ -335,6 +339,32 @@ public class CuratorService {
       throw new org.apache.thrift.TApplicationException(org.apache.thrift.TApplicationException.MISSING_RESULT, "setData failed: unknown result");
     }
 
+    public LeaderResult startLeaderSelector(CuratorProjection projection, String path, String participantId, int waitForLeadershipMs) throws org.apache.thrift.TException
+    {
+      send_startLeaderSelector(projection, path, participantId, waitForLeadershipMs);
+      return recv_startLeaderSelector();
+    }
+
+    public void send_startLeaderSelector(CuratorProjection projection, String path, String participantId, int waitForLeadershipMs) throws org.apache.thrift.TException
+    {
+      startLeaderSelector_args args = new startLeaderSelector_args();
+      args.setProjection(projection);
+      args.setPath(path);
+      args.setParticipantId(participantId);
+      args.setWaitForLeadershipMs(waitForLeadershipMs);
+      sendBase("startLeaderSelector", args);
+    }
+
+    public LeaderResult recv_startLeaderSelector() throws org.apache.thrift.TException
+    {
+      startLeaderSelector_result result = new startLeaderSelector_result();
+      receiveBase(result, "startLeaderSelector");
+      if (result.isSetSuccess()) {
+        return result.success;
+      }
+      throw new org.apache.thrift.TApplicationException(org.apache.thrift.TApplicationException.MISSING_RESULT, "startLeaderSelector failed: unknown result");
+    }
+
   }
   public static class AsyncClient extends org.apache.thrift.async.TAsyncClient implements AsyncIface {
     public static class Factory implements org.apache.thrift.async.TAsyncClientFactory<AsyncClient> {
@@ -700,6 +730,47 @@ public class CuratorService {
       }
     }
 
+    public void startLeaderSelector(CuratorProjection projection, String path, String participantId, int waitForLeadershipMs, org.apache.thrift.async.AsyncMethodCallback resultHandler) throws org.apache.thrift.TException {
+      checkReady();
+      startLeaderSelector_call method_call = new startLeaderSelector_call(projection, path, participantId, waitForLeadershipMs, resultHandler, this, ___protocolFactory, ___transport);
+      this.___currentMethod = method_call;
+      ___manager.call(method_call);
+    }
+
+    public static class startLeaderSelector_call extends org.apache.thrift.async.TAsyncMethodCall {
+      private CuratorProjection projection;
+      private String path;
+      private String participantId;
+      private int waitForLeadershipMs;
+      public startLeaderSelector_call(CuratorProjection projection, String path, String participantId, int waitForLeadershipMs, org.apache.thrift.async.AsyncMethodCallback resultHandler, org.apache.thrift.async.TAsyncClient client, org.apache.thrift.protocol.TProtocolFactory protocolFactory, org.apache.thrift.transport.TNonblockingTransport transport) throws org.apache.thrift.TException {
+        super(client, protocolFactory, transport, resultHandler, false);
+        this.projection = projection;
+        this.path = path;
+        this.participantId = participantId;
+        this.waitForLeadershipMs = waitForLeadershipMs;
+      }
+
+      public void write_args(org.apache.thrift.protocol.TProtocol prot) throws org.apache.thrift.TException {
+        prot.writeMessageBegin(new org.apache.thrift.protocol.TMessage("startLeaderSelector", org.apache.thrift.protocol.TMessageType.CALL, 0));
+        startLeaderSelector_args args = new startLeaderSelector_args();
+        args.setProjection(projection);
+        args.setPath(path);
+        args.setParticipantId(participantId);
+        args.setWaitForLeadershipMs(waitForLeadershipMs);
+        args.write(prot);
+        prot.writeMessageEnd();
+      }
+
+      public LeaderResult getResult() throws org.apache.thrift.TException {
+        if (getState() != org.apache.thrift.async.TAsyncMethodCall.State.RESPONSE_READ) {
+          throw new IllegalStateException("Method call not finished!");
+        }
+        org.apache.thrift.transport.TMemoryInputTransport memoryTransport = new org.apache.thrift.transport.TMemoryInputTransport(getFrameBuffer().array());
+        org.apache.thrift.protocol.TProtocol prot = client.getProtocolFactory().getProtocol(memoryTransport);
+        return (new Client(prot)).recv_startLeaderSelector();
+      }
+    }
+
   }
 
   public static class Processor<I extends Iface> extends org.apache.thrift.TBaseProcessor<I> implements org.apache.thrift.TProcessor {
@@ -723,6 +794,7 @@ public class CuratorService {
       processMap.put("getData", new getData());
       processMap.put("newCuratorProjection", new newCuratorProjection());
       processMap.put("setData", new setData());
+      processMap.put("startLeaderSelector", new startLeaderSelector());
       return processMap;
     }
 
@@ -927,6 +999,26 @@ public class CuratorService {
       }
     }
 
+    public static class startLeaderSelector<I extends Iface> extends org.apache.thrift.ProcessFunction<I, startLeaderSelector_args> {
+      public startLeaderSelector() {
+        super("startLeaderSelector");
+      }
+
+      public startLeaderSelector_args getEmptyArgsInstance() {
+        return new startLeaderSelector_args();
+      }
+
+      protected boolean isOneway() {
+        return false;
+      }
+
+      public startLeaderSelector_result getResult(I iface, startLeaderSelector_args args) throws org.apache.thrift.TException {
+        startLeaderSelector_result result = new startLeaderSelector_result();
+        result.success = iface.startLeaderSelector(args.projection, args.path, args.participantId, args.waitForLeadershipMs);
+        return result;
+      }
+    }
+
   }
 
   public static class AsyncProcessor<I extends AsyncIface> extends org.apache.thrift.TBaseAsyncProcessor<I> {
@@ -950,6 +1042,7 @@ public class CuratorService {
       processMap.put("getData", new getData());
       processMap.put("newCuratorProjection", new newCuratorProjection());
       processMap.put("setData", new setData());
+      processMap.put("startLeaderSelector", new startLeaderSelector());
       return processMap;
     }
 
@@ -1462,6 +1555,57 @@ public class CuratorService {
       }
     }
 
+    public static class startLeaderSelector<I extends AsyncIface> extends org.apache.thrift.AsyncProcessFunction<I, startLeaderSelector_args, LeaderResult> {
+      public startLeaderSelector() {
+        super("startLeaderSelector");
+      }
+
+      public startLeaderSelector_args getEmptyArgsInstance() {
+        return new startLeaderSelector_args();
+      }
+
+      public AsyncMethodCallback<LeaderResult> getResultHandler(final AsyncFrameBuffer fb, final int seqid) {
+        final org.apache.thrift.AsyncProcessFunction fcall = this;
+        return new AsyncMethodCallback<LeaderResult>() { 
+          public void onComplete(LeaderResult o) {
+            startLeaderSelector_result result = new startLeaderSelector_result();
+            result.success = o;
+            try {
+              fcall.sendResponse(fb,result, org.apache.thrift.protocol.TMessageType.REPLY,seqid);
+              return;
+            } catch (Exception e) {
+              LOGGER.error("Exception writing to internal frame buffer", e);
+            }
+            fb.close();
+          }
+          public void onError(Exception e) {
+            byte msgType = org.apache.thrift.protocol.TMessageType.REPLY;
+            org.apache.thrift.TBase msg;
+            startLeaderSelector_result result = new startLeaderSelector_result();
+            {
+              msgType = org.apache.thrift.protocol.TMessageType.EXCEPTION;
+              msg = (org.apache.thrift.TBase)new org.apache.thrift.TApplicationException(org.apache.thrift.TApplicationException.INTERNAL_ERROR, e.getMessage());
+            }
+            try {
+              fcall.sendResponse(fb,msg,msgType,seqid);
+              return;
+            } catch (Exception ex) {
+              LOGGER.error("Exception writing to internal frame buffer", ex);
+            }
+            fb.close();
+          }
+        };
+      }
+
+      protected boolean isOneway() {
+        return false;
+      }
+
+      public void start(I iface, startLeaderSelector_args args, org.apache.thrift.async.AsyncMethodCallback<LeaderResult> resultHandler) throws TException {
+        iface.startLeaderSelector(args.projection, args.path, args.participantId, args.waitForLeadershipMs,resultHandler);
+      }
+    }
+
   }
 
   public static class acquireLock_args implements org.apache.thrift.TBase<acquireLock_args, acquireLock_args._Fields>, java.io.Serializable, Cloneable, Comparable<acquireLock_args>   {
@@ -9347,4 +9491,1020 @@ public class CuratorService {
 
   }
 
+  public static class startLeaderSelector_args implements org.apache.thrift.TBase<startLeaderSelector_args, startLeaderSelector_args._Fields>, java.io.Serializable, Cloneable, Comparable<startLeaderSelector_args>   {
+    private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("startLeaderSelector_args");
+
+    private static final org.apache.thrift.protocol.TField PROJECTION_FIELD_DESC = new org.apache.thrift.protocol.TField("projection", org.apache.thrift.protocol.TType.STRUCT, (short)1);
+    private static final org.apache.thrift.protocol.TField PATH_FIELD_DESC = new org.apache.thrift.protocol.TField("path", org.apache.thrift.protocol.TType.STRING, (short)2);
+    private static final org.apache.thrift.protocol.TField PARTICIPANT_ID_FIELD_DESC = new org.apache.thrift.protocol.TField("participantId", org.apache.thrift.protocol.TType.STRING, (short)3);
+    private static final org.apache.thrift.protocol.TField WAIT_FOR_LEADERSHIP_MS_FIELD_DESC = new org.apache.thrift.protocol.TField("waitForLeadershipMs", org.apache.thrift.protocol.TType.I32, (short)4);
+
+    private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
+    static {
+      schemes.put(StandardScheme.class, new startLeaderSelector_argsStandardSchemeFactory());
+      schemes.put(TupleScheme.class, new startLeaderSelector_argsTupleSchemeFactory());
+    }
+
+    public CuratorProjection projection; // required
+    public String path; // required
+    public String participantId; // required
+    public int waitForLeadershipMs; // required
+
+    /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
+    public enum _Fields implements org.apache.thrift.TFieldIdEnum {
+      PROJECTION((short)1, "projection"),
+      PATH((short)2, "path"),
+      PARTICIPANT_ID((short)3, "participantId"),
+      WAIT_FOR_LEADERSHIP_MS((short)4, "waitForLeadershipMs");
+
+      private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();
+
+      static {
+        for (_Fields field : EnumSet.allOf(_Fields.class)) {
+          byName.put(field.getFieldName(), field);
+        }
+      }
+
+      /**
+       * Find the _Fields constant that matches fieldId, or null if its not found.
+       */
+      public static _Fields findByThriftId(int fieldId) {
+        switch(fieldId) {
+          case 1: // PROJECTION
+            return PROJECTION;
+          case 2: // PATH
+            return PATH;
+          case 3: // PARTICIPANT_ID
+            return PARTICIPANT_ID;
+          case 4: // WAIT_FOR_LEADERSHIP_MS
+            return WAIT_FOR_LEADERSHIP_MS;
+          default:
+            return null;
+        }
+      }
+
+      /**
+       * Find the _Fields constant that matches fieldId, throwing an exception
+       * if it is not found.
+       */
+      public static _Fields findByThriftIdOrThrow(int fieldId) {
+        _Fields fields = findByThriftId(fieldId);
+        if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
+        return fields;
+      }
+
+      /**
+       * Find the _Fields constant that matches name, or null if its not found.
+       */
+      public static _Fields findByName(String name) {
+        return byName.get(name);
+      }
+
+      private final short _thriftId;
+      private final String _fieldName;
+
+      _Fields(short thriftId, String fieldName) {
+        _thriftId = thriftId;
+        _fieldName = fieldName;
+      }
+
+      public short getThriftFieldId() {
+        return _thriftId;
+      }
+
+      public String getFieldName() {
+        return _fieldName;
+      }
+    }
+
+    // isset id assignments
+    private static final int __WAITFORLEADERSHIPMS_ISSET_ID = 0;
+    private byte __isset_bitfield = 0;
+    public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
+    static {
+      Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
+      tmpMap.put(_Fields.PROJECTION, new org.apache.thrift.meta_data.FieldMetaData("projection", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+          new org.apache.thrift.meta_data.StructMetaData(org.apache.thrift.protocol.TType.STRUCT, CuratorProjection.class)));
+      tmpMap.put(_Fields.PATH, new org.apache.thrift.meta_data.FieldMetaData("path", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+          new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+      tmpMap.put(_Fields.PARTICIPANT_ID, new org.apache.thrift.meta_data.FieldMetaData("participantId", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+          new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+      tmpMap.put(_Fields.WAIT_FOR_LEADERSHIP_MS, new org.apache.thrift.meta_data.FieldMetaData("waitForLeadershipMs", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+          new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.I32)));
+      metaDataMap = Collections.unmodifiableMap(tmpMap);
+      org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(startLeaderSelector_args.class, metaDataMap);
+    }
+
+    public startLeaderSelector_args() {
+    }
+
+    public startLeaderSelector_args(
+      CuratorProjection projection,
+      String path,
+      String participantId,
+      int waitForLeadershipMs)
+    {
+      this();
+      this.projection = projection;
+      this.path = path;
+      this.participantId = participantId;
+      this.waitForLeadershipMs = waitForLeadershipMs;
+      setWaitForLeadershipMsIsSet(true);
+    }
+
+    /**
+     * Performs a deep copy on <i>other</i>.
+     */
+    public startLeaderSelector_args(startLeaderSelector_args other) {
+      __isset_bitfield = other.__isset_bitfield;
+      if (other.isSetProjection()) {
+        this.projection = new CuratorProjection(other.projection);
+      }
+      if (other.isSetPath()) {
+        this.path = other.path;
+      }
+      if (other.isSetParticipantId()) {
+        this.participantId = other.participantId;
+      }
+      this.waitForLeadershipMs = other.waitForLeadershipMs;
+    }
+
+    public startLeaderSelector_args deepCopy() {
+      return new startLeaderSelector_args(this);
+    }
+
+    @Override
+    public void clear() {
+      this.projection = null;
+      this.path = null;
+      this.participantId = null;
+      setWaitForLeadershipMsIsSet(false);
+      this.waitForLeadershipMs = 0;
+    }
+
+    public CuratorProjection getProjection() {
+      return this.projection;
+    }
+
+    public startLeaderSelector_args setProjection(CuratorProjection projection) {
+      this.projection = projection;
+      return this;
+    }
+
+    public void unsetProjection() {
+      this.projection = null;
+    }
+
+    /** Returns true if field projection is set (has been assigned a value) and false otherwise */
+    public boolean isSetProjection() {
+      return this.projection != null;
+    }
+
+    public void setProjectionIsSet(boolean value) {
+      if (!value) {
+        this.projection = null;
+      }
+    }
+
+    public String getPath() {
+      return this.path;
+    }
+
+    public startLeaderSelector_args setPath(String path) {
+      this.path = path;
+      return this;
+    }
+
+    public void unsetPath() {
+      this.path = null;
+    }
+
+    /** Returns true if field path is set (has been assigned a value) and false otherwise */
+    public boolean isSetPath() {
+      return this.path != null;
+    }
+
+    public void setPathIsSet(boolean value) {
+      if (!value) {
+        this.path = null;
+      }
+    }
+
+    public String getParticipantId() {
+      return this.participantId;
+    }
+
+    public startLeaderSelector_args setParticipantId(String participantId) {
+      this.participantId = participantId;
+      return this;
+    }
+
+    public void unsetParticipantId() {
+      this.participantId = null;
+    }
+
+    /** Returns true if field participantId is set (has been assigned a value) and false otherwise */
+    public boolean isSetParticipantId() {
+      return this.participantId != null;
+    }
+
+    public void setParticipantIdIsSet(boolean value) {
+      if (!value) {
+        this.participantId = null;
+      }
+    }
+
+    public int getWaitForLeadershipMs() {
+      return this.waitForLeadershipMs;
+    }
+
+    public startLeaderSelector_args setWaitForLeadershipMs(int waitForLeadershipMs) {
+      this.waitForLeadershipMs = waitForLeadershipMs;
+      setWaitForLeadershipMsIsSet(true);
+      return this;
+    }
+
+    public void unsetWaitForLeadershipMs() {
+      __isset_bitfield = EncodingUtils.clearBit(__isset_bitfield, __WAITFORLEADERSHIPMS_ISSET_ID);
+    }
+
+    /** Returns true if field waitForLeadershipMs is set (has been assigned a value) and false otherwise */
+    public boolean isSetWaitForLeadershipMs() {
+      return EncodingUtils.testBit(__isset_bitfield, __WAITFORLEADERSHIPMS_ISSET_ID);
+    }
+
+    public void setWaitForLeadershipMsIsSet(boolean value) {
+      __isset_bitfield = EncodingUtils.setBit(__isset_bitfield, __WAITFORLEADERSHIPMS_ISSET_ID, value);
+    }
+
+    public void setFieldValue(_Fields field, Object value) {
+      switch (field) {
+      case PROJECTION:
+        if (value == null) {
+          unsetProjection();
+        } else {
+          setProjection((CuratorProjection)value);
+        }
+        break;
+
+      case PATH:
+        if (value == null) {
+          unsetPath();
+        } else {
+          setPath((String)value);
+        }
+        break;
+
+      case PARTICIPANT_ID:
+        if (value == null) {
+          unsetParticipantId();
+        } else {
+          setParticipantId((String)value);
+        }
+        break;
+
+      case WAIT_FOR_LEADERSHIP_MS:
+        if (value == null) {
+          unsetWaitForLeadershipMs();
+        } else {
+          setWaitForLeadershipMs((Integer)value);
+        }
+        break;
+
+      }
+    }
+
+    public Object getFieldValue(_Fields field) {
+      switch (field) {
+      case PROJECTION:
+        return getProjection();
+
+      case PATH:
+        return getPath();
+
+      case PARTICIPANT_ID:
+        return getParticipantId();
+
+      case WAIT_FOR_LEADERSHIP_MS:
+        return Integer.valueOf(getWaitForLeadershipMs());
+
+      }
+      throw new IllegalStateException();
+    }
+
+    /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
+    public boolean isSet(_Fields field) {
+      if (field == null) {
+        throw new IllegalArgumentException();
+      }
+
+      switch (field) {
+      case PROJECTION:
+        return isSetProjection();
+      case PATH:
+        return isSetPath();
+      case PARTICIPANT_ID:
+        return isSetParticipantId();
+      case WAIT_FOR_LEADERSHIP_MS:
+        return isSetWaitForLeadershipMs();
+      }
+      throw new IllegalStateException();
+    }
+
+    @Override
+    public boolean equals(Object that) {
+      if (that == null)
+        return false;
+      if (that instanceof startLeaderSelector_args)
+        return this.equals((startLeaderSelector_args)that);
+      return false;
+    }
+
+    public boolean equals(startLeaderSelector_args that) {
+      if (that == null)
+        return false;
+
+      boolean this_present_projection = true && this.isSetProjection();
+      boolean that_present_projection = true && that.isSetProjection();
+      if (this_present_projection || that_present_projection) {
+        if (!(this_present_projection && that_present_projection))
+          return false;
+        if (!this.projection.equals(that.projection))
+          return false;
+      }
+
+      boolean this_present_path = true && this.isSetPath();
+      boolean that_present_path = true && that.isSetPath();
+      if (this_present_path || that_present_path) {
+        if (!(this_present_path && that_present_path))
+          return false;
+        if (!this.path.equals(that.path))
+          return false;
+      }
+
+      boolean this_present_participantId = true && this.isSetParticipantId();
+      boolean that_present_participantId = true && that.isSetParticipantId();
+      if (this_present_participantId || that_present_participantId) {
+        if (!(this_present_participantId && that_present_participantId))
+          return false;
+        if (!this.participantId.equals(that.participantId))
+          return false;
+      }
+
+      boolean this_present_waitForLeadershipMs = true;
+      boolean that_present_waitForLeadershipMs = true;
+      if (this_present_waitForLeadershipMs || that_present_waitForLeadershipMs) {
+        if (!(this_present_waitForLeadershipMs && that_present_waitForLeadershipMs))
+          return false;
+        if (this.waitForLeadershipMs != that.waitForLeadershipMs)
+          return false;
+      }
+
+      return true;
+    }
+
+    @Override
+    public int hashCode() {
+      return 0;
+    }
+
+    @Override
+    public int compareTo(startLeaderSelector_args other) {
+      if (!getClass().equals(other.getClass())) {
+        return getClass().getName().compareTo(other.getClass().getName());
+      }
+
+      int lastComparison = 0;
+
+      lastComparison = Boolean.valueOf(isSetProjection()).compareTo(other.isSetProjection());
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+      if (isSetProjection()) {
+        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.projection, other.projection);
+        if (lastComparison != 0) {
+          return lastComparison;
+        }
+      }
+      lastComparison = Boolean.valueOf(isSetPath()).compareTo(other.isSetPath());
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+      if (isSetPath()) {
+        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.path, other.path);
+        if (lastComparison != 0) {
+          return lastComparison;
+        }
+      }
+      lastComparison = Boolean.valueOf(isSetParticipantId()).compareTo(other.isSetParticipantId());
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+      if (isSetParticipantId()) {
+        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.participantId, other.participantId);
+        if (lastComparison != 0) {
+          return lastComparison;
+        }
+      }
+      lastComparison = Boolean.valueOf(isSetWaitForLeadershipMs()).compareTo(other.isSetWaitForLeadershipMs());
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+      if (isSetWaitForLeadershipMs()) {
+        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.waitForLeadershipMs, other.waitForLeadershipMs);
+        if (lastComparison != 0) {
+          return lastComparison;
+        }
+      }
+      return 0;
+    }
+
+    public _Fields fieldForId(int fieldId) {
+      return _Fields.findByThriftId(fieldId);
+    }
+
+    public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
+      schemes.get(iprot.getScheme()).getScheme().read(iprot, this);
+    }
+
+    public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
+      schemes.get(oprot.getScheme()).getScheme().write(oprot, this);
+    }
+
+    @Override
+    public String toString() {
+      StringBuilder sb = new StringBuilder("startLeaderSelector_args(");
+      boolean first = true;
+
+      sb.append("projection:");
+      if (this.projection == null) {
+        sb.append("null");
+      } else {
+        sb.append(this.projection);
+      }
+      first = false;
+      if (!first) sb.append(", ");
+      sb.append("path:");
+      if (this.path == null) {
+        sb.append("null");
+      } else {
+        sb.append(this.path);
+      }
+      first = false;
+      if (!first) sb.append(", ");
+      sb.append("participantId:");
+      if (this.participantId == null) {
+        sb.append("null");
+      } else {
+        sb.append(this.participantId);
+      }
+      first = false;
+      if (!first) sb.append(", ");
+      sb.append("waitForLeadershipMs:");
+      sb.append(this.waitForLeadershipMs);
+      first = false;
+      sb.append(")");
+      return sb.toString();
+    }
+
+    public void validate() throws org.apache.thrift.TException {
+      // check for required fields
+      // check for sub-struct validity
+      if (projection != null) {
+        projection.validate();
+      }
+    }
+
+    private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
+      try {
+        write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
+      } catch (org.apache.thrift.TException te) {
+        throw new java.io.IOException(te);
+      }
+    }
+
+    private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
+      try {
+        // it doesn't seem like you should have to do this, but java serialization is wacky, and doesn't call the default constructor.
+        __isset_bitfield = 0;
+        read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
+      } catch (org.apache.thrift.TException te) {
+        throw new java.io.IOException(te);
+      }
+    }
+
+    private static class startLeaderSelector_argsStandardSchemeFactory implements SchemeFactory {
+      public startLeaderSelector_argsStandardScheme getScheme() {
+        return new startLeaderSelector_argsStandardScheme();
+      }
+    }
+
+    private static class startLeaderSelector_argsStandardScheme extends StandardScheme<startLeaderSelector_args> {
+
+      public void read(org.apache.thrift.protocol.TProtocol iprot, startLeaderSelector_args struct) throws org.apache.thrift.TException {
+        org.apache.thrift.protocol.TField schemeField;
+        iprot.readStructBegin();
+        while (true)
+        {
+          schemeField = iprot.readFieldBegin();
+          if (schemeField.type == org.apache.thrift.protocol.TType.STOP) { 
+            break;
+          }
+          switch (schemeField.id) {
+            case 1: // PROJECTION
+              if (schemeField.type == org.apache.thrift.protocol.TType.STRUCT) {
+                struct.projection = new CuratorProjection();
+                struct.projection.read(iprot);
+                struct.setProjectionIsSet(true);
+              } else { 
+                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+              }
+              break;
+            case 2: // PATH
+              if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+                struct.path = iprot.readString();
+                struct.setPathIsSet(true);
+              } else { 
+                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+              }
+              break;
+            case 3: // PARTICIPANT_ID
+              if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+                struct.participantId = iprot.readString();
+                struct.setParticipantIdIsSet(true);
+              } else { 
+                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+              }
+              break;
+            case 4: // WAIT_FOR_LEADERSHIP_MS
+              if (schemeField.type == org.apache.thrift.protocol.TType.I32) {
+                struct.waitForLeadershipMs = iprot.readI32();
+                struct.setWaitForLeadershipMsIsSet(true);
+              } else { 
+                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+              }
+              break;
+            default:
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+          }
+          iprot.readFieldEnd();
+        }
+        iprot.readStructEnd();
+
+        // check for required fields of primitive type, which can't be checked in the validate method
+        struct.validate();
+      }
+
+      public void write(org.apache.thrift.protocol.TProtocol oprot, startLeaderSelector_args struct) throws org.apache.thrift.TException {
+        struct.validate();
+
+        oprot.writeStructBegin(STRUCT_DESC);
+        if (struct.projection != null) {
+          oprot.writeFieldBegin(PROJECTION_FIELD_DESC);
+          struct.projection.write(oprot);
+          oprot.writeFieldEnd();
+        }
+        if (struct.path != null) {
+          oprot.writeFieldBegin(PATH_FIELD_DESC);
+          oprot.writeString(struct.path);
+          oprot.writeFieldEnd();
+        }
+        if (struct.participantId != null) {
+          oprot.writeFieldBegin(PARTICIPANT_ID_FIELD_DESC);
+          oprot.writeString(struct.participantId);
+          oprot.writeFieldEnd();
+        }
+        oprot.writeFieldBegin(WAIT_FOR_LEADERSHIP_MS_FIELD_DESC);
+        oprot.writeI32(struct.waitForLeadershipMs);
+        oprot.writeFieldEnd();
+        oprot.writeFieldStop();
+        oprot.writeStructEnd();
+      }
+
+    }
+
+    private static class startLeaderSelector_argsTupleSchemeFactory implements SchemeFactory {
+      public startLeaderSelector_argsTupleScheme getScheme() {
+        return new startLeaderSelector_argsTupleScheme();
+      }
+    }
+
+    private static class startLeaderSelector_argsTupleScheme extends TupleScheme<startLeaderSelector_args> {
+
+      @Override
+      public void write(org.apache.thrift.protocol.TProtocol prot, startLeaderSelector_args struct) throws org.apache.thrift.TException {
+        TTupleProtocol oprot = (TTupleProtocol) prot;
+        BitSet optionals = new BitSet();
+        if (struct.isSetProjection()) {
+          optionals.set(0);
+        }
+        if (struct.isSetPath()) {
+          optionals.set(1);
+        }
+        if (struct.isSetParticipantId()) {
+          optionals.set(2);
+        }
+        if (struct.isSetWaitForLeadershipMs()) {
+          optionals.set(3);
+        }
+        oprot.writeBitSet(optionals, 4);
+        if (struct.isSetProjection()) {
+          struct.projection.write(oprot);
+        }
+        if (struct.isSetPath()) {
+          oprot.writeString(struct.path);
+        }
+        if (struct.isSetParticipantId()) {
+          oprot.writeString(struct.participantId);
+        }
+        if (struct.isSetWaitForLeadershipMs()) {
+          oprot.writeI32(struct.waitForLeadershipMs);
+        }
+      }
+
+      @Override
+      public void read(org.apache.thrift.protocol.TProtocol prot, startLeaderSelector_args struct) throws org.apache.thrift.TException {
+        TTupleProtocol iprot = (TTupleProtocol) prot;
+        BitSet incoming = iprot.readBitSet(4);
+        if (incoming.get(0)) {
+          struct.projection = new CuratorProjection();
+          struct.projection.read(iprot);
+          struct.setProjectionIsSet(true);
+        }
+        if (incoming.get(1)) {
+          struct.path = iprot.readString();
+          struct.setPathIsSet(true);
+        }
+        if (incoming.get(2)) {
+          struct.participantId = iprot.readString();
+          struct.setParticipantIdIsSet(true);
+        }
+        if (incoming.get(3)) {
+          struct.waitForLeadershipMs = iprot.readI32();
+          struct.setWaitForLeadershipMsIsSet(true);
+        }
+      }
+    }
+
+  }
+
+  public static class startLeaderSelector_result implements org.apache.thrift.TBase<startLeaderSelector_result, startLeaderSelector_result._Fields>, java.io.Serializable, Cloneable, Comparable<startLeaderSelector_result>   {
+    private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("startLeaderSelector_result");
+
+    private static final org.apache.thrift.protocol.TField SUCCESS_FIELD_DESC = new org.apache.thrift.protocol.TField("success", org.apache.thrift.protocol.TType.STRUCT, (short)0);
+
+    private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
+    static {
+      schemes.put(StandardScheme.class, new startLeaderSelector_resultStandardSchemeFactory());
+      schemes.put(TupleScheme.class, new startLeaderSelector_resultTupleSchemeFactory());
+    }
+
+    public LeaderResult success; // required
+
+    /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
+    public enum _Fields implements org.apache.thrift.TFieldIdEnum {
+      SUCCESS((short)0, "success");
+
+      private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();
+
+      static {
+        for (_Fields field : EnumSet.allOf(_Fields.class)) {
+          byName.put(field.getFieldName(), field);
+        }
+      }
+
+      /**
+       * Find the _Fields constant that matches fieldId, or null if its not found.
+       */
+      public static _Fields findByThriftId(int fieldId) {
+        switch(fieldId) {
+          case 0: // SUCCESS
+            return SUCCESS;
+          default:
+            return null;
+        }
+      }
+
+      /**
+       * Find the _Fields constant that matches fieldId, throwing an exception
+       * if it is not found.
+       */
+      public static _Fields findByThriftIdOrThrow(int fieldId) {
+        _Fields fields = findByThriftId(fieldId);
+        if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
+        return fields;
+      }
+
+      /**
+       * Find the _Fields constant that matches name, or null if its not found.
+       */
+      public static _Fields findByName(String name) {
+        return byName.get(name);
+      }
+
+      private final short _thriftId;
+      private final String _fieldName;
+
+      _Fields(short thriftId, String fieldName) {
+        _thriftId = thriftId;
+        _fieldName = fieldName;
+      }
+
+      public short getThriftFieldId() {
+        return _thriftId;
+      }
+
+      public String getFieldName() {
+        return _fieldName;
+      }
+    }
+
+    // isset id assignments
+    public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
+    static {
+      Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
+      tmpMap.put(_Fields.SUCCESS, new org.apache.thrift.meta_data.FieldMetaData("success", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+          new org.apache.thrift.meta_data.StructMetaData(org.apache.thrift.protocol.TType.STRUCT, LeaderResult.class)));
+      metaDataMap = Collections.unmodifiableMap(tmpMap);
+      org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(startLeaderSelector_result.class, metaDataMap);
+    }
+
+    public startLeaderSelector_result() {
+    }
+
+    public startLeaderSelector_result(
+      LeaderResult success)
+    {
+      this();
+      this.success = success;
+    }
+
+    /**
+     * Performs a deep copy on <i>other</i>.
+     */
+    public startLeaderSelector_result(startLeaderSelector_result other) {
+      if (other.isSetSuccess()) {
+        this.success = new LeaderResult(other.success);
+      }
+    }
+
+    public startLeaderSelector_result deepCopy() {
+      return new startLeaderSelector_result(this);
+    }
+
+    @Override
+    public void clear() {
+      this.success = null;
+    }
+
+    public LeaderResult getSuccess() {
+      return this.success;
+    }
+
+    public startLeaderSelector_result setSuccess(LeaderResult success) {
+      this.success = success;
+      return this;
+    }
+
+    public void unsetSuccess() {
+      this.success = null;
+    }
+
+    /** Returns true if field success is set (has been assigned a value) and false otherwise */
+    public boolean isSetSuccess() {
+      return this.success != null;
+    }
+
+    public void setSuccessIsSet(boolean value) {
+      if (!value) {
+        this.success = null;
+      }
+    }
+
+    public void setFieldValue(_Fields field, Object value) {
+      switch (field) {
+      case SUCCESS:
+        if (value == null) {
+          unsetSuccess();
+        } else {
+          setSuccess((LeaderResult)value);
+        }
+        break;
+
+      }
+    }
+
+    public Object getFieldValue(_Fields field) {
+      switch (field) {
+      case SUCCESS:
+        return getSuccess();
+
+      }
+      throw new IllegalStateException();
+    }
+
+    /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
+    public boolean isSet(_Fields field) {
+      if (field == null) {
+        throw new IllegalArgumentException();
+      }
+
+      switch (field) {
+      case SUCCESS:
+        return isSetSuccess();
+      }
+      throw new IllegalStateException();
+    }
+
+    @Override
+    public boolean equals(Object that) {
+      if (that == null)
+        return false;
+      if (that instanceof startLeaderSelector_result)
+        return this.equals((startLeaderSelector_result)that);
+      return false;
+    }
+
+    public boolean equals(startLeaderSelector_result that) {
+      if (that == null)
+        return false;
+
+      boolean this_present_success = true && this.isSetSuccess();
+      boolean that_present_success = true && that.isSetSuccess();
+      if (this_present_success || that_present_success) {
+        if (!(this_present_success && that_present_success))
+          return false;
+        if (!this.success.equals(that.success))
+          return false;
+      }
+
+      return true;
+    }
+
+    @Override
+    public int hashCode() {
+      return 0;
+    }
+
+    @Override
+    public int compareTo(startLeaderSelector_result other) {
+      if (!getClass().equals(other.getClass())) {
+        return getClass().getName().compareTo(other.getClass().getName());
+      }
+
+      int lastComparison = 0;
+
+      lastComparison = Boolean.valueOf(isSetSuccess()).compareTo(other.isSetSuccess());
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+      if (isSetSuccess()) {
+        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.success, other.success);
+        if (lastComparison != 0) {
+          return lastComparison;
+        }
+      }
+      return 0;
+    }
+
+    public _Fields fieldForId(int fieldId) {
+      return _Fields.findByThriftId(fieldId);
+    }
+
+    public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
+      schemes.get(iprot.getScheme()).getScheme().read(iprot, this);
+    }
+
+    public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
+      schemes.get(oprot.getScheme()).getScheme().write(oprot, this);
+      }
+
+    @Override
+    public String toString() {
+      StringBuilder sb = new StringBuilder("startLeaderSelector_result(");
+      boolean first = true;
+
+      sb.append("success:");
+      if (this.success == null) {
+        sb.append("null");
+      } else {
+        sb.append(this.success);
+      }
+      first = false;
+      sb.append(")");
+      return sb.toString();
+    }
+
+    public void validate() throws org.apache.thrift.TException {
+      // check for required fields
+      // check for sub-struct validity
+      if (success != null) {
+        success.validate();
+      }
+    }
+
+    private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
+      try {
+        write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
+      } catch (org.apache.thrift.TException te) {
+        throw new java.io.IOException(te);
+      }
+    }
+
+    private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
+      try {
+        read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
+      } catch (org.apache.thrift.TException te) {
+        throw new java.io.IOException(te);
+      }
+    }
+
+    private static class startLeaderSelector_resultStandardSchemeFactory implements SchemeFactory {
+      public startLeaderSelector_resultStandardScheme getScheme() {
+        return new startLeaderSelector_resultStandardScheme();
+      }
+    }
+
+    private static class startLeaderSelector_resultStandardScheme extends StandardScheme<startLeaderSelector_result> {
+
+      public void read(org.apache.thrift.protocol.TProtocol iprot, startLeaderSelector_result struct) throws org.apache.thrift.TException {
+        org.apache.thrift.protocol.TField schemeField;
+        iprot.readStructBegin();
+        while (true)
+        {
+          schemeField = iprot.readFieldBegin();
+          if (schemeField.type == org.apache.thrift.protocol.TType.STOP) { 
+            break;
+          }
+          switch (schemeField.id) {
+            case 0: // SUCCESS
+              if (schemeField.type == org.apache.thrift.protocol.TType.STRUCT) {
+                struct.success = new LeaderResult();
+                struct.success.read(iprot);
+                struct.setSuccessIsSet(true);
+              } else { 
+                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+              }
+              break;
+            default:
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+          }
+          iprot.readFieldEnd();
+        }
+        iprot.readStructEnd();
+
+        // check for required fields of primitive type, which can't be checked in the validate method
+        struct.validate();
+      }
+
+      public void write(org.apache.thrift.protocol.TProtocol oprot, startLeaderSelector_result struct) throws org.apache.thrift.TException {
+        struct.validate();
+
+        oprot.writeStructBegin(STRUCT_DESC);
+        if (struct.success != null) {
+          oprot.writeFieldBegin(SUCCESS_FIELD_DESC);
+          struct.success.write(oprot);
+          oprot.writeFieldEnd();
+        }
+        oprot.writeFieldStop();
+        oprot.writeStructEnd();
+      }
+
+    }
+
+    private static class startLeaderSelector_resultTupleSchemeFactory implements SchemeFactory {
+      public startLeaderSelector_resultTupleScheme getScheme() {
+        return new startLeaderSelector_resultTupleScheme();
+      }
+    }
+
+    private static class startLeaderSelector_resultTupleScheme extends TupleScheme<startLeaderSelector_result> {
+
+      @Override
+      public void write(org.apache.thrift.protocol.TProtocol prot, startLeaderSelector_result struct) throws org.apache.thrift.TException {
+        TTupleProtocol oprot = (TTupleProtocol) prot;
+        BitSet optionals = new BitSet();
+        if (struct.isSetSuccess()) {
+          optionals.set(0);
+        }
+        oprot.writeBitSet(optionals, 1);
+        if (struct.isSetSuccess()) {
+          struct.success.write(oprot);
+        }
+      }
+
+      @Override
+      public void read(org.apache.thrift.protocol.TProtocol prot, startLeaderSelector_result struct) throws org.apache.thrift.TException {
+        TTupleProtocol iprot = (TTupleProtocol) prot;
+        BitSet incoming = iprot.readBitSet(1);
+        if (incoming.get(0)) {
+          struct.success = new LeaderResult();
+          struct.success.read(iprot);
+          struct.setSuccessIsSet(true);
+        }
+      }
+    }
+
+  }
+
 }


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