ConnectionPoolEmitterImpl (Payara Project 5.193.1 API)

java.lang.Object
- com.sun.enterprise.resource.pool.monitor.ConnectionPoolEmitterImpl

All Implemented Interfaces:

PoolLifeCycleListener
```
public class ConnectionPoolEmitterImpl
extends Object
implements PoolLifeCycleListener
```
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 M

Constructor Summary

Constructors
Constructor and Description

ConnectionPoolEmitterImpl(PoolInfo poolInfo, ConnectionPoolProbeProvider provider)
Constructor

Constructors
Constructor and Description
`ConnectionPoolEmitterImpl(PoolInfo poolInfo, ConnectionPoolProbeProvider provider)` Constructor

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`connectionAcquired(long resourceHandleId)` Fires probe event that a connection has been acquired by the application for the given jdbc connection pool.
`void`	`connectionCreated()` Fires probe event that a connection is created for the given jdbc connection pool.
`void`	`connectionDestroyed(long resourceHandleId)` Fires probe event that a connection is destroyed for the given jdbc connection pool.
`void`	`connectionMatched()` Fires probe event that a connection under test matches the current request for the given jdbc connection pool.
`void`	`connectionNotMatched()` Fires probe event that a connection under test does not match the current request for the given jdbc connection pool.
`void`	`connectionReleased(long resourceHandleId)` Fires probe event that a connection is released for the given jdbc connection pool.
`void`	`connectionRequestDequeued()` Fires probe event related to the fact the given jdbc connection pool's wait queue length has been decremented.
`void`	`connectionRequestQueued()` Fires probe event related to the fact the given jdbc connection pool's wait queue length has been incremented
`void`	`connectionRequestServed(long timeTakenInMillis)` Fires probe event related to the fact that a connection request is served in the time `timeTakenInMillis` for the given jdbc connection pool.
`void`	`connectionsFreed(int count)` Fires probe event related to the fact the given jdbc connection pool has got a connection freed event.
`void`	`connectionTimedOut()` Fires probe event related to the fact that the given jdbc connection pool has got a connection timed-out event.
`void`	`connectionUsed(long resourceHandleId)` Fires probe event related to the fact the given jdbc connection pool has got a connection used event.
`void`	`connectionValidationFailed(int count)` Fires probe event related to the fact the given jdbc connection pool has got a connection validation failed event.
`void`	`decrementConnectionUsed(long resourceHandleId)` Fires probe event related to the fact the given jdbc connection pool has got a decrement connection used event.
`void`	`decrementNumConnFree()` Fires probe event related to the fact the given jdbc connection pool has got a decrement free connections size event.
`void`	`foundPotentialConnectionLeak()` Fires probe event related to the fact that the given jdbc connection pool has got a connection leak event.
`void`	`incrementNumConnFree(boolean beingDestroyed, int steadyPoolSize)` Fires probe event related to the fact the given jdbc connection pool has got a decrement free connections size event.
`void`	`toString(StringBuilder stackTrace)` Fires probe event that a stack trace is to be printed on the server.log.
`void`	`unregisterAppStatsProviders()` Unregister the AppStatsProviders registered for this connection pool.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ConnectionPoolEmitterImpl
```
public ConnectionPoolEmitterImpl(PoolInfo poolInfo,
                                 ConnectionPoolProbeProvider provider)
```
    Constructor
    
    Parameters:
    
    poolInfo - connection pool on whose behalf this emitter emits pool related probe events
    
    provider -
- Method Detail
  - toString
```
public void toString(StringBuilder stackTrace)
```
    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.
    
    Specified by:
    
    toString in interface PoolLifeCycleListener
    
    Parameters:
    
    stackTrace -
  - connectionAcquired
```
public void connectionAcquired(long resourceHandleId)
```
    Fires probe event that a connection has been acquired by the application for the given jdbc connection pool.
    
    Specified by:
    
    connectionAcquired in interface PoolLifeCycleListener
  - connectionRequestServed
```
public void connectionRequestServed(long timeTakenInMillis)
```
    Fires probe event related to the fact that a connection request is served in the time timeTakenInMillis for the given jdbc connection pool.
    
    Specified by:
    
    connectionRequestServed in interface PoolLifeCycleListener
    
    Parameters:
    
    timeTakenInMillis - time taken to serve a connection
  - connectionTimedOut
```
public void connectionTimedOut()
```
    Fires probe event related to the fact that the given jdbc connection pool has got a connection timed-out event.
    
    Specified by:
    
    connectionTimedOut in interface PoolLifeCycleListener
  - connectionNotMatched
```
public void connectionNotMatched()
```
    Fires probe event that a connection under test does not match the current request for the given jdbc connection pool.
    
    Specified by:
    
    connectionNotMatched in interface PoolLifeCycleListener
  - connectionMatched
```
public void connectionMatched()
```
    Fires probe event that a connection under test matches the current request for the given jdbc connection pool.
    
    Specified by:
    
    connectionMatched in interface PoolLifeCycleListener
  - connectionDestroyed
```
public void connectionDestroyed(long resourceHandleId)
```
    Fires probe event that a connection is destroyed for the given jdbc connection pool.
    
    Specified by:
    
    connectionDestroyed in interface PoolLifeCycleListener
  - connectionReleased
```
public void connectionReleased(long resourceHandleId)
```
    Fires probe event that a connection is released for the given jdbc connection pool.
    
    Specified by:
    
    connectionReleased in interface PoolLifeCycleListener
  - connectionCreated
```
public void connectionCreated()
```
    Fires probe event that a connection is created for the given jdbc connection pool.
    
    Specified by:
    
    connectionCreated in interface PoolLifeCycleListener
  - foundPotentialConnectionLeak
```
public void foundPotentialConnectionLeak()
```
    Fires probe event related to the fact that the given jdbc connection pool has got a connection leak event.
    
    Specified by:
    
    foundPotentialConnectionLeak in interface PoolLifeCycleListener
  - connectionValidationFailed
```
public void connectionValidationFailed(int count)
```
    Fires probe event related to the fact the given jdbc connection pool has got a connection validation failed event.
    
    Specified by:
    
    connectionValidationFailed in interface PoolLifeCycleListener
    
    Parameters:
    
    count - number of times the validation failed
  - connectionUsed
```
public void connectionUsed(long resourceHandleId)
```
    Fires probe event related to the fact the given jdbc connection pool has got a connection used event.
    
    Specified by:
    
    connectionUsed in interface PoolLifeCycleListener
  - connectionsFreed
```
public void connectionsFreed(int count)
```
    Fires probe event related to the fact the given jdbc connection pool has got a connection freed event.
    
    Specified by:
    
    connectionsFreed in interface PoolLifeCycleListener
    
    Parameters:
    
    count - number of connections freed to pool
  - decrementConnectionUsed
```
public void decrementConnectionUsed(long resourceHandleId)
```
    Fires probe event related to the fact the given jdbc connection pool has got a decrement connection used event.
    
    Specified by:
    
    decrementConnectionUsed in interface PoolLifeCycleListener
  - decrementNumConnFree
```
public void decrementNumConnFree()
```
    Fires probe event related to the fact the given jdbc connection pool has got a decrement free connections size event.
    
    Specified by:
    
    decrementNumConnFree in interface PoolLifeCycleListener
  - incrementNumConnFree
```
public void incrementNumConnFree(boolean beingDestroyed,
                                 int steadyPoolSize)
```
    Fires probe event related to the fact the given jdbc connection pool has got a decrement free connections size event.
    
    Specified by:
    
    incrementNumConnFree in interface PoolLifeCycleListener
    
    Parameters:
    
    beingDestroyed - if the connection is destroyed due to error
    
    steadyPoolSize -
  - connectionRequestQueued
```
public void connectionRequestQueued()
```
    Fires probe event related to the fact the given jdbc connection pool's wait queue length has been incremented
    
    Specified by:
    
    connectionRequestQueued in interface PoolLifeCycleListener
  - connectionRequestDequeued
```
public void connectionRequestDequeued()
```
    Fires probe event related to the fact the given jdbc connection pool's wait queue length has been decremented.
    
    Specified by:
    
    connectionRequestDequeued in interface PoolLifeCycleListener
  - unregisterAppStatsProviders
```
public void unregisterAppStatsProviders()
```
    Unregister the AppStatsProviders registered for this connection pool.

Class ConnectionPoolEmitterImpl

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

ConnectionPoolEmitterImpl

Method Detail

toString

connectionAcquired

connectionRequestServed

connectionTimedOut

connectionNotMatched

connectionMatched

connectionDestroyed

connectionReleased

connectionCreated

foundPotentialConnectionLeak

connectionValidationFailed

connectionUsed

connectionsFreed

decrementConnectionUsed

decrementNumConnFree

incrementNumConnFree

connectionRequestQueued

connectionRequestDequeued

unregisterAppStatsProviders