public abstract class BaseKeyedPoolableObjectFactory extends Object implements KeyedPoolableObjectFactory
KeyedPoolableObjectFactory
.
All operations defined here are essentially no-op's.
KeyedPoolableObjectFactory
Constructor and Description |
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BaseKeyedPoolableObjectFactory() |
Modifier and Type | Method and Description |
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void |
activateObject(Object key,
Object obj)
Reinitialize an instance to be returned by the pool.
|
void |
destroyObject(Object key,
Object obj)
Destroy an instance no longer needed by the pool.
|
abstract Object |
makeObject(Object key)
Create an instance that can be served by the pool.
|
void |
passivateObject(Object key,
Object obj)
Uninitialize an instance to be returned to the idle object pool.
|
boolean |
validateObject(Object key,
Object obj)
Ensures that the instance is safe to be returned by the pool.
|
public abstract Object makeObject(Object key) throws Exception
makeObject
in interface KeyedPoolableObjectFactory
key
- the key used when constructing the objectException
- if there is a problem creating a new instance,
this will be propagated to the code requesting an object.public void destroyObject(Object key, Object obj) throws Exception
The default implementation is a no-op.
destroyObject
in interface KeyedPoolableObjectFactory
key
- the key used when selecting the instanceobj
- the instance to be destroyedException
- should be avoided as it may be swallowed by
the pool implementation.KeyedPoolableObjectFactory.validateObject(java.lang.Object, java.lang.Object)
,
KeyedObjectPool.invalidateObject(java.lang.Object, java.lang.Object)
public boolean validateObject(Object key, Object obj)
The default implementation always returns true.
validateObject
in interface KeyedPoolableObjectFactory
key
- the key used when selecting the objectobj
- the instance to be validatedtrue
in the default implementationpublic void activateObject(Object key, Object obj) throws Exception
The default implementation is a no-op.
activateObject
in interface KeyedPoolableObjectFactory
key
- the key used when selecting the objectobj
- the instance to be activatedException
- if there is a problem activating obj
,
this exception may be swallowed by the pool.KeyedPoolableObjectFactory.destroyObject(java.lang.Object, java.lang.Object)
public void passivateObject(Object key, Object obj) throws Exception
The default implementation is a no-op.
passivateObject
in interface KeyedPoolableObjectFactory
key
- the key used when selecting the objectobj
- the instance to be passivatedException
- if there is a problem passivating obj
,
this exception may be swallowed by the pool.KeyedPoolableObjectFactory.destroyObject(java.lang.Object, java.lang.Object)
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