CJDBCversion1.0.4: クラス org.objectweb.cjdbc.controller.connection.VariablePoolConnectionManager.RemoveIdleConnectionsThread

コンストラクタとデストラクタ

org.objectweb.cjdbc.controller.connection.VariablePoolConnectionManager.RemoveIdleConnectionsThread.RemoveIdleConnectionsThread ( String pBackendName ) [protected]

VariablePoolConnectionManager.java の 506 行で定義されています。

00507     {
00508       super("RemoveIdleConnectionsThread for backend:" + pBackendName);
00509     }

メソッド

void org.objectweb.cjdbc.controller.connection.VariablePoolConnectionManager.RemoveIdleConnectionsThread.run

(

)

参照:: java.lang.Runnable#run()

VariablePoolConnectionManager.java の 514 行で定義されています。

参照先 org.objectweb.cjdbc.controller.connection.VariablePoolConnectionManager.RemoveIdleConnectionsThread.isKilled.

00515     {
00516       long idleTime, releaseTime;
00517       synchronized (this)
00518       {
00519         try
00520         {
00521           while (!isKilled)
00522           {
00523             // the thread is not launched if idleTimeout equals to 0 (the
00524             // connections are never released in this case)
00525             if (freeConnections.isEmpty()
00526                 || (freeConnections.size() == minPoolSize))
00527             {
00528               wait();
00529             }
00530 
00531             Connection c = null;
00532             synchronized (freeConnections)
00533             {
00534               if (releaseTimes.isEmpty())
00535                 continue; // Sanity check
00536 
00537               releaseTime = ((Long) releaseTimes.get(0)).longValue();
00538               idleTime = System.currentTimeMillis() - releaseTime;
00539 
00540               if (idleTime >= idleTimeout)
00541                 c = (Connection) freeConnections.remove(0);
00542             }
00543 
00544             if (c == null)
00545             { // Nothing to free, wait for next deadline
00546               wait(idleTimeout - idleTime);
00547             }
00548             else
00549             { // Free the connection out of the synchronized block
00550               try
00551               {
00552                 c.close();
00553               }
00554               catch (SQLException e)
00555               {
00556                 String msg = "An error occured while closing idle connection after the timeout: "
00557                     + e;
00558                 logger.error(msg);
00559               }
00560               finally
00561               {
00562                 releaseTimes.remove(0);
00563                 poolSize--;
00564               }
00565               logger.debug("Released idle connection (idle timeout reached)");
00566               continue;
00567 
00568             }
00569           }
00570         }
00571         catch (InterruptedException e)
00572         {
00573           logger
00574               .error("Wait on removeIdleConnectionsThread interrupted in VariablePoolConnectionManager: "
00575                   + e);
00576         }
00577       }
00578     }


Public メソッド
void	run ()
Protected メソッド
	RemoveIdleConnectionsThread (String pBackendName)
Private 変数
boolean	isKilled = false

クラス org.objectweb.cjdbc.controller.connection.VariablePoolConnectionManager.RemoveIdleConnectionsThread

説明

Public メソッド

Protected メソッド

Private 変数

コンストラクタとデストラクタ

メソッド

変数