org.d_haven.mpool

Interface PoolListener

All Known Implementing Classes:

PoolAdaptor, RecyclePoolListener

public interface PoolListener

The PoolListener interface provides a couple intercept points as well as a way to find out when an object fails to be disposed properly.

Method Summary

Modifier and Type	Method and Description
void	objectAquired(java.lang.Object pooledObject) Notifies the listener when an object is being accessed from the pool.
void	objectCreated(java.lang.Object pooledObject) Notifies the listener when the pool creates a new object to introduce into the pool.
void	objectCreationFailed(java.lang.Exception cause) Notifies the listener when the pool fails to create a new object when it is asked for.
void	objectDisposalFailed(java.lang.Object pooledObject, java.lang.Exception exception) Notifies the listener when an object disposal failed.
void	objectDisposed(java.lang.Object pooledObject) Notifies the listener when an object is being disposed so that it will never be reused.
void	objectReleased(java.lang.Object pooledObject) Notifies the listener when an object is being returned to the pool.

Method Detail

objectCreated

void objectCreated(java.lang.Object pooledObject)

Notifies the listener when the pool creates a new object to introduce into the pool.

Parameters:

pooledObject - the object created

objectCreationFailed

void objectCreationFailed(java.lang.Exception cause)

Notifies the listener when the pool fails to create a new object when it is asked for.

Parameters:

cause - the exception that caused the failure

objectAquired

void objectAquired(java.lang.Object pooledObject)

Notifies the listener when an object is being accessed from the pool. This is the last method called before returning the pooled object to the caller.

Parameters:

pooledObject - the object being returned from the caller

objectReleased

void objectReleased(java.lang.Object pooledObject)

Notifies the listener when an object is being returned to the pool. This is the last method called before returning the pooled object to the pool.

Parameters:

pooledObject - the object being returned to the pool

objectDisposed

void objectDisposed(java.lang.Object pooledObject)

Notifies the listener when an object is being disposed so that it will never be reused.

Parameters:

pooledObject - the object being disposed

objectDisposalFailed

void objectDisposalFailed(java.lang.Object pooledObject,
                          java.lang.Exception exception)

Notifies the listener when an object disposal failed.

Parameters:

pooledObject - the object that could not be disposed

exception - the exception generated from the disposal