com.sun.enterprise.resource.pool.JdbcPoolEmitterImpl Maven / Gradle / Ivy
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package com.sun.enterprise.resource.pool;
import com.sun.enterprise.connectors.ConnectorRuntime;
import com.sun.enterprise.resource.listener.PoolLifeCycleListener;
import com.sun.enterprise.resource.pool.monitor.JdbcConnPoolProbeProvider;
/**
* Implementation of PoolLifeCycleListener interface to listen to events related
* to jdbc monitoring. The methods invoke the probe providers internally to
* provide the monitoring related information.
*
* @author shalini
*/
public class JdbcPoolEmitterImpl implements PoolLifeCycleListener {
private String poolName;
private JdbcConnPoolProbeProvider jdbcConnPoolProbeProvider;
/**
* Constructor.
*
* @param jdbcPool the jdbc connection pool on whose behalf this
* JdbcPoolEmitterImpl emits jdbc pool related probe events
*/
public JdbcPoolEmitterImpl(String poolName) {
this.poolName = poolName;
this.jdbcConnPoolProbeProvider = ConnectorRuntime.getRuntime().getJdbcConnPoolProvider();
}
/**
* Fires probe event that a stack trace is to be printed on the server.log.
* The stack trace is mainly related to connection leak tracing for the
* given jdbc connection pool.
* @param stackTrace
*/
public void toString(StringBuffer stackTrace) {
if(jdbcConnPoolProbeProvider != null) {
stackTrace.append("\n Monitoring Statistics for \n" + poolName);
jdbcConnPoolProbeProvider.toString(poolName, stackTrace);
}
}
/**
* Fires probe event that a connection has been acquired by the application
* for the given jdbc connection pool.
*/
public void connectionAcquired() {
if(jdbcConnPoolProbeProvider != null) {
jdbcConnPoolProbeProvider.connectionAcquiredEvent(poolName);
}
}
/**
* Fires probe event related to the fact that a connection request is served
* in the time timeTakenInMillis for the given jdbc connection
* pool.
*
* @param timeTakenInMillis time taken to serve a connection
*/
public void connectionRequestServed(long timeTakenInMillis) {
if(jdbcConnPoolProbeProvider != null) {
jdbcConnPoolProbeProvider.connectionRequestServedEvent(poolName, timeTakenInMillis);
}
}
/**
* Fires probe event related to the fact that the given jdbc connection pool
* has got a connection timed-out event.
*/
public void connectionTimedOut() {
if (jdbcConnPoolProbeProvider != null) {
jdbcConnPoolProbeProvider.connectionTimedOutEvent(poolName);
}
}
public void connectionNotMatched() {
throw new UnsupportedOperationException("Not supported yet.");
}
public void connectionMatched() {
throw new UnsupportedOperationException("Not supported yet.");
}
/**
* Fires probe event that a connection is destroyed for the
* given jdbc connection pool.
*/
public void connectionDestroyed() {
if(jdbcConnPoolProbeProvider != null) {
jdbcConnPoolProbeProvider.connectionDestroyedEvent(poolName);
}
}
/**
* Fires probe event that a connection is released for the given jdbc
* connection pool.
*/
public void connectionReleased() {
if(jdbcConnPoolProbeProvider != null) {
jdbcConnPoolProbeProvider.connectionReleasedEvent(poolName);
}
}
/**
* Fires probe event that a connection is created for the given jdbc
* connection pool.
*/
public void connectionCreated() {
if(jdbcConnPoolProbeProvider != null) {
jdbcConnPoolProbeProvider.connectionCreatedEvent(poolName);
}
}
/**
* Fires probe event related to the fact that the given jdbc connection pool
* has got a connection leak event.
*
*/
public void foundPotentialConnectionLeak() {
if(jdbcConnPoolProbeProvider != null) {
jdbcConnPoolProbeProvider.potentialConnLeakEvent(poolName);
}
}
/**
* Fires probe event related to the fact the given jdbc connection pool has
* got a connection validation failed event.
*
* @param count number of times the validation failed
*/
public void connectionValidationFailed(int count) {
if(jdbcConnPoolProbeProvider != null) {
jdbcConnPoolProbeProvider.connectionValidationFailedEvent(poolName, count);
}
}
/**
* Fires probe event related to the fact the given jdbc connection pool has
* got a connection used event.
*/
public void connectionUsed() {
if(jdbcConnPoolProbeProvider != null) {
jdbcConnPoolProbeProvider.connectionUsedEvent(poolName);
}
}
/**
* Fires probe event related to the fact the given jdbc connection pool has
* got a connection freed event.
*
* @param count number of connections freed to pool
*/
public void connectionsFreed(int count) {
if(jdbcConnPoolProbeProvider != null) {
jdbcConnPoolProbeProvider.connectionsFreedEvent(poolName, count);
}
}
/**
* Fires probe event related to the fact the given jdbc connection pool has
* got a decrement connection used event.
*
* @param beingDestroyed if the connection is destroyed due to error
* @param steadyPoolSize
*/
public void decrementConnectionUsed(boolean beingDestroyed, int steadyPoolSize) {
if(jdbcConnPoolProbeProvider != null) {
jdbcConnPoolProbeProvider.decrementConnectionUsedEvent(poolName, beingDestroyed, steadyPoolSize);
}
}
/**
* Fires probe event related to the fact the given jdbc connection pool has
* got a decrement free connections size event.
*
* @param steadyPoolSize
*/
public void decrementFreeConnectionsSize(int steadyPoolSize) {
if(jdbcConnPoolProbeProvider != null) {
jdbcConnPoolProbeProvider.decrementFreeConnectionsSizeEvent(poolName, steadyPoolSize);
}
}
}
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