BasePoolableObjectFactory (Apache Tomcat 7.0.109 API Documentation)

java.lang.Object
- org.apache.tomcat.dbcp.pool.BasePoolableObjectFactory<T>

Type Parameters:
T - the type of objects held in this pool

All Implemented Interfaces:

PoolableObjectFactory<T>
```
public abstract class BasePoolableObjectFactory<T>
extends Object
implements PoolableObjectFactory<T>
```
A base implementation of PoolableObjectFactory.
All operations defined here are essentially no-op's.

Since:

Pool 1.0

Author:

Rodney Waldhoff

See Also:
PoolableObjectFactory, BaseKeyedPoolableObjectFactory

Constructor Summary

Constructors
Constructor and Description

BasePoolableObjectFactory()

Constructors
Constructor and Description
`BasePoolableObjectFactory()`

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`activateObject(T obj)` No-op.
`void`	`destroyObject(T obj)` No-op.
`abstract T`	`makeObject()` Creates an instance that can be served by the pool.
`void`	`passivateObject(T obj)` No-op.
`boolean`	`validateObject(T obj)` This implementation always returns `true`.

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

- Constructor Detail
  - BasePoolableObjectFactory
```
public BasePoolableObjectFactory()
```
- Method Detail
  - makeObject
```
public abstract T makeObject()
                      throws Exception
```
    Creates an instance that can be served by the pool. Instances returned from this method should be in the same state as if they had been activated. They will not be activated before being served by the pool.
    
    Specified by:
    
    makeObject in interface PoolableObjectFactory<T>
    
    Returns:
    an instance that can be served by the pool.
    
    Throws:
    
    Exception - if there is a problem creating a new instance, this will be propagated to the code requesting an object.
  - destroyObject
```
public void destroyObject(T obj)
                   throws Exception
```
    No-op.
    
    Specified by:
    
    destroyObject in interface PoolableObjectFactory<T>
    
    Parameters:
    obj - ignored
    
    Throws:
    
    Exception - should be avoided as it may be swallowed by the pool implementation.
    See Also:
    PoolableObjectFactory.validateObject(T), ObjectPool.invalidateObject(T)
  - validateObject
```
public boolean validateObject(T obj)
```
    This implementation always returns true.
    
    Specified by:
    
    validateObject in interface PoolableObjectFactory<T>
    
    Parameters:
    obj - ignored
    
    Returns:
    true
  - activateObject
```
public void activateObject(T obj)
                    throws Exception
```
    No-op.
    
    Specified by:
    
    activateObject in interface PoolableObjectFactory<T>
    
    Parameters:
    obj - ignored
    
    Throws:
    
    Exception - if there is a problem activating obj, this exception may be swallowed by the pool.
    See Also:
    PoolableObjectFactory.destroyObject(T)
  - passivateObject
```
public void passivateObject(T obj)
                     throws Exception
```
    No-op.
    
    Specified by:
    
    passivateObject in interface PoolableObjectFactory<T>
    
    Parameters:
    obj - ignored
    
    Throws:
    
    Exception - if there is a problem passivating obj, this exception may be swallowed by the pool.
    See Also:
    PoolableObjectFactory.destroyObject(T)

Class BasePoolableObjectFactory<T>

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

BasePoolableObjectFactory

Method Detail

makeObject

destroyObject

validateObject

activateObject

passivateObject