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From bo...@apache.org
Subject svn commit: r1401700 - in /hadoop/common/branches/branch-2/hadoop-yarn-project: ./ hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/util/
Date Wed, 24 Oct 2012 14:08:29 GMT
Author: bobby
Date: Wed Oct 24 14:08:28 2012
New Revision: 1401700

URL: http://svn.apache.org/viewvc?rev=1401700&view=rev
Log:
svn merge -c 1401698 FIXES: YARN-178. Fix custom ProcessTree instance creation (Radim Kolar
via bobby)

Added:
    hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/util/TestResourceCalculatorProcessTree.java
      - copied unchanged from r1401698, hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/util/TestResourceCalculatorProcessTree.java
Modified:
    hadoop/common/branches/branch-2/hadoop-yarn-project/CHANGES.txt
    hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ProcfsBasedProcessTree.java
    hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ResourceCalculatorProcessTree.java

Modified: hadoop/common/branches/branch-2/hadoop-yarn-project/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-yarn-project/CHANGES.txt?rev=1401700&r1=1401699&r2=1401700&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-yarn-project/CHANGES.txt (original)
+++ hadoop/common/branches/branch-2/hadoop-yarn-project/CHANGES.txt Wed Oct 24 14:08:28 2012
@@ -160,6 +160,8 @@ Release 0.23.5 - UNRELEASED
     YARN-177. CapacityScheduler - adding a queue while the RM is running has 
     wacky results (acmurthy vai tgraves)
 
+    YARN-178. Fix custom ProcessTree instance creation (Radim Kolar via bobby)
+
 Release 0.23.4 - UNRELEASED
 
   INCOMPATIBLE CHANGES

Modified: hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ProcfsBasedProcessTree.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ProcfsBasedProcessTree.java?rev=1401700&r1=1401699&r2=1401700&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ProcfsBasedProcessTree.java
(original)
+++ hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ProcfsBasedProcessTree.java
Wed Oct 24 14:08:28 2012
@@ -114,6 +114,7 @@ public class ProcfsBasedProcessTree exte
    * @param procfsDir the root of a proc file system - only used for testing.
    */
   public ProcfsBasedProcessTree(String pid, String procfsDir) {
+    super(pid);
     this.pid = getValidPID(pid);
     this.procfsDir = procfsDir;
   }

Modified: hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ResourceCalculatorProcessTree.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ResourceCalculatorProcessTree.java?rev=1401700&r1=1401699&r2=1401700&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ResourceCalculatorProcessTree.java
(original)
+++ hadoop/common/branches/branch-2/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ResourceCalculatorProcessTree.java
Wed Oct 24 14:08:28 2012
@@ -21,17 +21,28 @@ package org.apache.hadoop.yarn.util;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.conf.Configured;
 import org.apache.hadoop.util.ReflectionUtils;
+import java.lang.reflect.Constructor;
 
 /**
  * Interface class to obtain process resource usage
  *
  */
-public abstract class ResourceCalculatorProcessTree {
+public abstract class ResourceCalculatorProcessTree extends Configured {
   static final Log LOG = LogFactory
       .getLog(ResourceCalculatorProcessTree.class);
 
   /**
+   * Create process-tree instance with specified root process.
+   *
+   * Subclass must override this.
+   * @param root process-tree root-process
+   */
+  public ResourceCalculatorProcessTree(String root) {
+  }
+
+  /**
    * Get the process-tree with latest state. If the root-process is not alive,
    * an empty tree will be returned.
    *
@@ -122,10 +133,17 @@ public abstract class ResourceCalculator
    *         is not available for this system.
    */
   public static ResourceCalculatorProcessTree getResourceCalculatorProcessTree(
-	  String pid, Class<? extends ResourceCalculatorProcessTree> clazz, Configuration
conf) {
+    String pid, Class<? extends ResourceCalculatorProcessTree> clazz, Configuration
conf) {
 
     if (clazz != null) {
-      return ReflectionUtils.newInstance(clazz, conf);
+      try {
+        Constructor <? extends ResourceCalculatorProcessTree> c = clazz.getConstructor(String.class);
+        ResourceCalculatorProcessTree rctree = c.newInstance(pid);
+        rctree.setConf(conf);
+        return rctree;
+      } catch(Exception e) {
+        throw new RuntimeException(e);
+      }
     }
 
     // No class given, try a os specific class



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