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 package com.sun.enterprise.resource.listener;

Pool Life cycle listener that can be implemented by listeners for pool monitoring

Author(s):
Jagadish Ramu
 
 public interface PoolLifeCycleListener {

    
Print stack trace in server.log

Parameters:
stackTrace
 
     void toString(StringBuffer stackTrace);
    
    
indicates that a connection is acquired by application
 
     void connectionAcquired(long resourceHandleId);

    
indicates that a connection request is server in the time

Parameters:
timeTakenInMillis time taken to serve a connection
 
     void connectionRequestServed(long timeTakenInMillis);

    
indicates that a connection is timed-out
 
     void connectionTimedOut();

    
indicates that a connection under test does not match the current request
 
     void connectionNotMatched();

    
indicates that a connection under test matches the current request
 
     void connectionMatched();

    
indicates that a connection is being used
 
     void connectionUsed(long resourceHandleId);

    
indicates that a connection is destroyed
 
     void connectionDestroyed(long resourceHandleId);

    
indicates that a connection is released
 
     void connectionReleased(long resourceHandleId);

    
indicates that a new connection is created
 
    void connectionCreated();

    
indicates that a potential connection leak happened
    void foundPotentialConnectionLeak();

    
indicates that a number of connections have failed validation

Parameters:
count number of connections
    void connectionValidationFailed(int count);

    
indicates the number of connections freed to pool

Parameters:
count number of connections
    void connectionsFreed(int count);

    
indicates that connection count that is used has to be decremented.
    void decrementConnectionUsed(long resourceHandleId);

    
indicates that free connections count in the pool has to be decremented.
    void decrementNumConnFree();    
    
    
indicates that a connection is freed and the count is to be incremented.

Parameters:
beingDestroyed in case of an error.
steadyPoolSize
    void incrementNumConnFree(boolean beingDestroyedint steadyPoolSize);
    
    
indicates that the wait queue length has increased.
    void connectionRequestQueued();
    
    
indicates that the wait queue length has decreased.
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