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From amccu...@apache.org
Subject [2/6] git commit: Legacy code that is no longer used.
Date Wed, 15 May 2013 18:13:33 GMT
Legacy code that is no longer used.


Project: http://git-wip-us.apache.org/repos/asf/incubator-blur/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-blur/commit/1f02d98e
Tree: http://git-wip-us.apache.org/repos/asf/incubator-blur/tree/1f02d98e
Diff: http://git-wip-us.apache.org/repos/asf/incubator-blur/diff/1f02d98e

Branch: refs/heads/0.1.5
Commit: 1f02d98e5252e1ac57618d5c1863553e767bff4d
Parents: bd6aaae
Author: Aaron McCurry <amccurry@gmail.com>
Authored: Wed May 15 14:09:50 2013 -0400
Committer: Aaron McCurry <amccurry@gmail.com>
Committed: Wed May 15 14:09:50 2013 -0400

----------------------------------------------------------------------
 .../java/org/apache/blur/mapreduce/SpinLock.java   |  112 ---------------
 1 files changed, 0 insertions(+), 112 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-blur/blob/1f02d98e/src/blur-mapred/src/main/java/org/apache/blur/mapreduce/SpinLock.java
----------------------------------------------------------------------
diff --git a/src/blur-mapred/src/main/java/org/apache/blur/mapreduce/SpinLock.java b/src/blur-mapred/src/main/java/org/apache/blur/mapreduce/SpinLock.java
deleted file mode 100644
index 4a150f8..0000000
--- a/src/blur-mapred/src/main/java/org/apache/blur/mapreduce/SpinLock.java
+++ /dev/null
@@ -1,112 +0,0 @@
-package org.apache.blur.mapreduce;
-
-/**
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-import java.util.concurrent.TimeUnit;
-
-import org.apache.blur.log.Log;
-import org.apache.blur.log.LogFactory;
-import org.apache.hadoop.mapreduce.Reducer.Context;
-import org.apache.hadoop.util.Progressable;
-import org.apache.zookeeper.CreateMode;
-import org.apache.zookeeper.KeeperException;
-import org.apache.zookeeper.WatchedEvent;
-import org.apache.zookeeper.Watcher;
-import org.apache.zookeeper.ZooKeeper;
-import org.apache.zookeeper.ZooDefs.Ids;
-import org.apache.zookeeper.data.Stat;
-
-
-public class SpinLock {
-
-  private static final Log LOG = LogFactory.getLog(SpinLock.class);
-  private ZooKeeper _zooKeeper;
-  private String _path;
-  private int _maxCopies;
-  private String _name;
-  private long _delay = TimeUnit.SECONDS.toMillis(30);
-  private Progressable _progressable;
-
-  public static void main(String[] args) throws IOException, KeeperException, InterruptedException
{
-    Progressable progressable = new Progressable() {
-      @Override
-      public void progress() {
-        System.out.println("go");
-      }
-    };
-    String zkConnectionStr = "localhost";
-    SpinLock lock = new SpinLock(progressable, zkConnectionStr, "test", "/test-spin-lock");
-    lock.copyLock(null);
-  }
-
-  public SpinLock(Progressable progressable, String zkConnectionStr, String name, String
path) throws IOException, KeeperException, InterruptedException {
-    _path = path;
-    _name = name;
-    _progressable = progressable;
-    _zooKeeper = new ZooKeeper(zkConnectionStr, 60000, new Watcher() {
-      @Override
-      public void process(WatchedEvent event) {
-
-      }
-    });
-    checkMaxCopies();
-  }
-
-  private void checkMaxCopies() throws KeeperException, InterruptedException {
-    Stat stat = _zooKeeper.exists(_path, false);
-    if (stat == null) {
-      LOG.warn("Path [{0}] not set no limit on copies.", _path);
-      _maxCopies = Integer.MAX_VALUE;
-    } else {
-      byte[] data = _zooKeeper.getData(_path, false, stat);
-      _maxCopies = Integer.parseInt(new String(data));
-    }
-  }
-
-  public void copyLock(@SuppressWarnings("rawtypes") Context context) {
-    if (_maxCopies == Integer.MAX_VALUE) {
-      return;
-    }
-    try {
-      String newpath = _zooKeeper.create(_path + "/" + _name, null, Ids.OPEN_ACL_UNSAFE,
CreateMode.EPHEMERAL_SEQUENTIAL);
-      while (true) {
-        _progressable.progress();
-        checkMaxCopies();
-        List<String> children = new ArrayList<String>(_zooKeeper.getChildren(_path,
false));
-        Collections.sort(children);
-        for (int i = 0; i < _maxCopies && i < children.size(); i++) {
-          if (newpath.equals(_path + "/" + children.get(i))) {
-            return;
-          }
-        }
-        LOG.info("Waiting for copy lock");
-        context.setStatus("Waiting for copy lock");
-        Thread.sleep(_delay);
-      }
-    } catch (KeeperException e) {
-      throw new RuntimeException(e);
-    } catch (InterruptedException e) {
-      throw new RuntimeException(e);
-    }
-
-  }
-
-}


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