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From c..@apache.org
Subject svn commit: r945949 - in /hadoop/common/trunk: ./ src/test/system/java/org/apache/hadoop/test/system/ src/test/system/java/org/apache/hadoop/test/system/process/
Date Tue, 18 May 2010 23:16:20 GMT
Author: cos
Date: Tue May 18 23:16:20 2010
New Revision: 945949

URL: http://svn.apache.org/viewvc?rev=945949&view=rev
Log:
HADOOP-6752. Remote cluster control functionality needs JavaDocs improvement. Contributed
by Balaji Rajagopalan.

Modified:
    hadoop/common/trunk/CHANGES.txt
    hadoop/common/trunk/src/test/system/java/org/apache/hadoop/test/system/AbstractDaemonClient.java
    hadoop/common/trunk/src/test/system/java/org/apache/hadoop/test/system/AbstractDaemonCluster.java
    hadoop/common/trunk/src/test/system/java/org/apache/hadoop/test/system/process/ClusterProcessManager.java
    hadoop/common/trunk/src/test/system/java/org/apache/hadoop/test/system/process/RemoteProcess.java

Modified: hadoop/common/trunk/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/CHANGES.txt?rev=945949&r1=945948&r2=945949&view=diff
==============================================================================
--- hadoop/common/trunk/CHANGES.txt (original)
+++ hadoop/common/trunk/CHANGES.txt Tue May 18 23:16:20 2010
@@ -3,6 +3,9 @@ Hadoop Change Log
 Trunk (unreleased changes)
 
   IMPROVEMENTS
+    HADOOP-6752. Remote cluster control functionality needs JavaDocs
+    improvement (Balaji Rajagopalan via cos).
+
     HADOOP-6627. "Bad Connection to FS" message in FSShell should print 
     message from the exception (boryas)
 

Modified: hadoop/common/trunk/src/test/system/java/org/apache/hadoop/test/system/AbstractDaemonClient.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/src/test/system/java/org/apache/hadoop/test/system/AbstractDaemonClient.java?rev=945949&r1=945948&r2=945949&view=diff
==============================================================================
--- hadoop/common/trunk/src/test/system/java/org/apache/hadoop/test/system/AbstractDaemonClient.java
(original)
+++ hadoop/common/trunk/src/test/system/java/org/apache/hadoop/test/system/AbstractDaemonClient.java
Tue May 18 23:16:20 2010
@@ -47,7 +47,7 @@ public abstract class AbstractDaemonClie
    * @param conf client to be used by proxy to connect to Daemon.
    * @param process the Daemon process to manage the particular daemon.
    * 
-   * @throws IOException
+   * @throws IOException on RPC error
    */
   public AbstractDaemonClient(Configuration conf, RemoteProcess process) 
       throws IOException {
@@ -71,7 +71,7 @@ public abstract class AbstractDaemonClie
   /**
    * Create an RPC proxy to the daemon <br/>
    * 
-   * @throws IOException
+   * @throws IOException on RPC error
    */
   public abstract void connect() throws IOException;
 
@@ -110,7 +110,7 @@ public abstract class AbstractDaemonClie
    * Gets if the Daemon is ready to accept RPC connections. <br/>
    * 
    * @return true if daemon is ready.
-   * @throws IOException
+   * @throws IOException on RPC error
    */
   public boolean isReady() throws IOException {
     return getProxy().isReady();
@@ -118,7 +118,7 @@ public abstract class AbstractDaemonClie
 
   /**
    * Kills the Daemon process <br/>
-   * @throws IOException
+   * @throws IOException on RPC error
    */
   public void kill() throws IOException {
     process.kill();
@@ -126,8 +126,7 @@ public abstract class AbstractDaemonClie
 
   /**
    * Checks if the Daemon process is alive or not <br/>
-   * 
-   * @throws IOException
+   * @throws IOException on RPC error
    */
   public void ping() throws IOException {
     getProxy().ping();
@@ -135,7 +134,7 @@ public abstract class AbstractDaemonClie
 
   /**
    * Start up the Daemon process. <br/>
-   * @throws IOException
+   * @throws IOException on RPC error
    */
   public void start() throws IOException {
     process.start();
@@ -146,7 +145,7 @@ public abstract class AbstractDaemonClie
    * 
    * @return returns system level view of the Daemon process.
    * 
-   * @throws IOException
+   * @throws IOException on RPC error. 
    */
   public ProcessInfo getProcessInfo() throws IOException {
     return getProxy().getProcessInfo();
@@ -175,7 +174,7 @@ public abstract class AbstractDaemonClie
    * @param local
    *          whether the path is local or not
    * @return the statuses of the files/directories in the given patch
-   * @throws IOException
+   * @throws IOException on RPC error. 
    */
   public FileStatus[] listStatus(String path, boolean local) 
     throws IOException {
@@ -193,7 +192,7 @@ public abstract class AbstractDaemonClie
    * @param recursive 
    *          whether to recursively get the status
    * @return the statuses of the files/directories in the given patch
-   * @throws IOException
+   * @throws IOException is thrown on RPC error. 
    */
   public FileStatus[] listStatus(String path, boolean local, boolean recursive)
     throws IOException {
@@ -239,7 +238,7 @@ public abstract class AbstractDaemonClie
    * Pattern used for searching is ERROR. <br/>
    * @param excludeExpList list of exception to exclude 
    * @return number of occurrence of error message.
-   * @throws IOException
+   * @throws IOException is thrown on RPC error. 
    */
   public int getNumberOfErrorStatementsInLog(String[] excludeExpList) 
       throws IOException {
@@ -254,7 +253,7 @@ public abstract class AbstractDaemonClie
    * Pattern used for searching is WARN. <br/>
    * @param excludeExpList list of exception to exclude 
    * @return number of occurrence of warning message.
-   * @throws IOException
+   * @throws IOException thrown on RPC error. 
    */
   public int getNumberOfWarnStatementsInLog(String[] excludeExpList) 
       throws IOException {
@@ -269,7 +268,7 @@ public abstract class AbstractDaemonClie
    * @param e exception class.
    * @param excludeExpList list of exceptions to exclude. 
    * @return number of exceptions in log
-   * @throws IOException
+   * @throws IOException is thrown on RPC error. 
    */
   public int getNumberOfExceptionsInLog(Exception e,
       String[] excludeExpList) throws IOException {
@@ -283,7 +282,7 @@ public abstract class AbstractDaemonClie
    * <br/>
    * @param excludeExpList list of exceptions to exclude.
    * @return number of times exception in log file.
-   * @throws IOException
+   * @throws IOException is thrown on RPC error. 
    */
   public int getNumberOfConcurrentModificationExceptionsInLog(
       String[] excludeExpList) throws IOException {
@@ -299,7 +298,7 @@ public abstract class AbstractDaemonClie
    * Populate the initial exception counts to be used to assert once a testcase
    * is done there was no exception in the daemon when testcase was run.
    * @param excludeExpList list of exceptions to exclude
-   * @throws IOException
+   * @throws IOException is thrown on RPC error. 
    */
   protected void populateExceptionCount(String [] excludeExpList) 
       throws IOException {
@@ -320,7 +319,7 @@ public abstract class AbstractDaemonClie
    * Pre-req for the method is that populateExceptionCount() has 
    * to be called before calling this method.</b></i>
    * @param excludeExpList list of exceptions to exclude
-   * @throws IOException
+   * @throws IOException is thrown on RPC error. 
    */
   protected void assertNoExceptionsOccurred(String [] excludeExpList) 
       throws IOException {

Modified: hadoop/common/trunk/src/test/system/java/org/apache/hadoop/test/system/AbstractDaemonCluster.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/src/test/system/java/org/apache/hadoop/test/system/AbstractDaemonCluster.java?rev=945949&r1=945948&r2=945949&view=diff
==============================================================================
--- hadoop/common/trunk/src/test/system/java/org/apache/hadoop/test/system/AbstractDaemonCluster.java
(original)
+++ hadoop/common/trunk/src/test/system/java/org/apache/hadoop/test/system/AbstractDaemonCluster.java
Tue May 18 23:16:20 2010
@@ -232,8 +232,7 @@ public abstract class AbstractDaemonClus
    * that will be excluded.
    * @param excludeExpList list of exceptions to exclude
    */
-  public void setExcludeExpList(String [] excludeExpList)
-  {
+  public void setExcludeExpList(String [] excludeExpList) {
     this.excludeExpList = excludeExpList;
   }
   

Modified: hadoop/common/trunk/src/test/system/java/org/apache/hadoop/test/system/process/ClusterProcessManager.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/src/test/system/java/org/apache/hadoop/test/system/process/ClusterProcessManager.java?rev=945949&r1=945948&r2=945949&view=diff
==============================================================================
--- hadoop/common/trunk/src/test/system/java/org/apache/hadoop/test/system/process/ClusterProcessManager.java
(original)
+++ hadoop/common/trunk/src/test/system/java/org/apache/hadoop/test/system/process/ClusterProcessManager.java
Tue May 18 23:16:20 2010
@@ -62,16 +62,15 @@ public interface ClusterProcessManager {
   /**
    * Starts the daemon from the user specified conf dir.
    * @param newConfLocation the dir where the new conf files reside.
-   * @throws IOException
+   * @throws IOException if start from new conf fails. 
    */
   void start(String newConfLocation) throws IOException;
 
   /**
    * Stops the daemon running from user specified conf dir.
    * 
-   * @param newConfLocation
-   *          the dir where ther new conf files reside.
-   * @throws IOException
+   * @param newConfLocation the dir where the new conf files reside.
+   * @throws IOException if stop from new conf fails. 
    */
   void stop(String newConfLocation) throws IOException;
 
@@ -86,7 +85,7 @@ public interface ClusterProcessManager {
    * Gets if multi-user support is enabled for this cluster. 
    * <br/>
    * @return true if multi-user support is enabled.
-   * @throws IOException
+   * @throws IOException if RPC returns error. 
    */
   boolean isMultiUserSupported() throws IOException;
 
@@ -94,7 +93,7 @@ public interface ClusterProcessManager {
    * The pushConfig is used to push a new config to the daemons.
    * @param localDir
    * @return is the remoteDir location where config will be pushed
-   * @throws IOException
+   * @throws IOException if pushConfig fails.
    */
   String pushConfig(String localDir) throws IOException;
 }

Modified: hadoop/common/trunk/src/test/system/java/org/apache/hadoop/test/system/process/RemoteProcess.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/src/test/system/java/org/apache/hadoop/test/system/process/RemoteProcess.java?rev=945949&r1=945948&r2=945949&view=diff
==============================================================================
--- hadoop/common/trunk/src/test/system/java/org/apache/hadoop/test/system/process/RemoteProcess.java
(original)
+++ hadoop/common/trunk/src/test/system/java/org/apache/hadoop/test/system/process/RemoteProcess.java
Tue May 18 23:16:20 2010
@@ -40,7 +40,7 @@ public interface RemoteProcess {
   /**
    * Starts a daemon from user specified conf dir. 
    * @param newConfLocation is dir where new conf resides. 
-   * @throws IOException
+   * @throws IOException if start of process fails from new location.
    */
   void start(String newConfLocation) throws IOException;
   /**
@@ -53,8 +53,8 @@ public interface RemoteProcess {
   /**
    * Stops a given daemon running from user specified 
    * conf dir. </br>
-   * @throws IOException
    * @param newConfLocation dir location where new conf resides. 
+   * @throws IOException if kill fails from new conf location.
    */
    void kill(String newConfLocation) throws IOException;
   /**
@@ -66,8 +66,9 @@ public interface RemoteProcess {
   
   /**
    * Pushed the configuration to new configuration directory 
-   * @param localDir
-   * @throws IOException
+   * @param localDir The local directory which has config files that will be 
+   * pushed to the remote location
+   * @throws IOException is thrown if the pushConfig results in a error. 
    */
   void pushConfig(String localDir) throws IOException;
 }



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