Package org.apache.commons.pool.impl

Class GenericObjectPoolFactory<T>

java.lang.Object
org.apache.commons.pool.impl.GenericObjectPoolFactory<T>
Type Parameters:
T - the type of objects held in this pool
All Implemented Interfaces:
ObjectPoolFactory<T>
public class GenericObjectPoolFactory<T> extends Object implements ObjectPoolFactory<T>
A factory for creating GenericObjectPool instances.
Since:
Pool 1.0
Version:
$Revision: 1222396 $ $Date: 2011-12-22 14:02:25 -0500 (Thu, 22 Dec 2011) $
See Also:

  • Field Details

  • Constructor Details

    • GenericObjectPoolFactory

      public GenericObjectPoolFactory(PoolableObjectFactory<T> factory)
      Create a new GenericObjectPoolFactory.
      Parameters:
      factory - the PoolableObjectFactory used by created pools.
      See Also:

    • GenericObjectPoolFactory

      public GenericObjectPoolFactory(PoolableObjectFactory<T> factory, GenericObjectPool.Config config) throws NullPointerException
      Create a new GenericObjectPoolFactory.
      Parameters:
      factory - the PoolableObjectFactory used by created pools.
      config - a non-null GenericObjectPool.Config describing the configuration.
      Throws:
      NullPointerException - when config is null.
      See Also:

    • GenericObjectPoolFactory

      public GenericObjectPoolFactory(PoolableObjectFactory<T> factory, int maxActive)
      Create a new GenericObjectPoolFactory.
      Parameters:
      factory - the PoolableObjectFactory used by created pools.
      maxActive - maximum number of objects that can be borrowed from created pools at one time.
      See Also:

    • GenericObjectPoolFactory

      public GenericObjectPoolFactory(PoolableObjectFactory<T> factory, int maxActive, byte whenExhaustedAction, long maxWait)
      Create a new GenericObjectPoolFactory.
      Parameters:
      factory - the PoolableObjectFactory used by created pools.
      maxActive - maximum number of objects that can be borrowed from created pools at one time.
      whenExhaustedAction - the action to take when the pool is exhausted.
      maxWait - the maximum amount of time to wait for an idle object when the pool is exhausted.
      See Also:

    • GenericObjectPoolFactory

      public GenericObjectPoolFactory(PoolableObjectFactory<T> factory, int maxActive, byte whenExhaustedAction, long maxWait, boolean testOnBorrow, boolean testOnReturn)
      Create a new GenericObjectPoolFactory.
      Parameters:
      factory - the PoolableObjectFactory used by created pools.
      maxActive - maximum number of objects that can be borrowed from created pools at one time.
      whenExhaustedAction - the action to take when the pool is exhausted.
      maxWait - the maximum amount of time to wait for an idle object when the pool is exhausted.
      testOnBorrow - whether to validate objects before they are returned by the borrowObject.
      testOnReturn - whether to validate objects after they are returned to the returnObject.
      See Also:

    • GenericObjectPoolFactory

      public GenericObjectPoolFactory(PoolableObjectFactory<T> factory, int maxActive, byte whenExhaustedAction, long maxWait, int maxIdle)
      Create a new GenericObjectPoolFactory.
      Parameters:
      factory - the PoolableObjectFactory used by created pools.
      maxActive - maximum number of objects that can be borrowed from created pools at one time.
      whenExhaustedAction - the action to take when the pool is exhausted.
      maxWait - the maximum amount of time to wait for an idle object when the pool is exhausted.
      maxIdle - the maximum number of idle objects in my pool.
      See Also:

    • GenericObjectPoolFactory

      public GenericObjectPoolFactory(PoolableObjectFactory<T> factory, int maxActive, byte whenExhaustedAction, long maxWait, int maxIdle, boolean testOnBorrow, boolean testOnReturn)
      Create a new GenericObjectPoolFactory.
      Parameters:
      factory - the PoolableObjectFactory used by created pools.
      maxActive - maximum number of objects that can be borrowed from created pools at one time.
      whenExhaustedAction - the action to take when the pool is exhausted.
      maxWait - the maximum amount of time to wait for an idle object when the pool is exhausted.
      maxIdle - the maximum number of idle objects in my pool.
      testOnBorrow - whether to validate objects before they are returned by the borrowObject.
      testOnReturn - whether to validate objects after they are returned to the returnObject.
      See Also:

    • GenericObjectPoolFactory

      public GenericObjectPoolFactory(PoolableObjectFactory<T> factory, int maxActive, byte whenExhaustedAction, long maxWait, int maxIdle, boolean testOnBorrow, boolean testOnReturn, long timeBetweenEvictionRunsMillis, int numTestsPerEvictionRun, long minEvictableIdleTimeMillis, boolean testWhileIdle)
      Create a new GenericObjectPoolFactory.
      Parameters:
      factory - the PoolableObjectFactory used by created pools.
      maxActive - maximum number of objects that can be borrowed from created pools at one time.
      whenExhaustedAction - the action to take when the pool is exhausted.
      maxWait - the maximum amount of time to wait for an idle object when the pool is exhausted.
      maxIdle - the maximum number of idle objects in my pool.
      testOnBorrow - whether to validate objects before they are returned by the borrowObject.
      testOnReturn - whether to validate objects after they are returned to the returnObject.
      timeBetweenEvictionRunsMillis - the number of milliseconds to sleep between examining idle objects for eviction.
      numTestsPerEvictionRun - the number of idle objects to examine per run within the idle object eviction thread.
      minEvictableIdleTimeMillis - the minimum number of milliseconds an object can sit idle in the pool before it is eligible for eviction.
      testWhileIdle - whether or not to validate objects in the idle object eviction thread.
      See Also:

    • GenericObjectPoolFactory

      public GenericObjectPoolFactory(PoolableObjectFactory<T> factory, int maxActive, byte whenExhaustedAction, long maxWait, int maxIdle, int minIdle, boolean testOnBorrow, boolean testOnReturn, long timeBetweenEvictionRunsMillis, int numTestsPerEvictionRun, long minEvictableIdleTimeMillis, boolean testWhileIdle)
      Create a new GenericObjectPoolFactory.
      Parameters:
      factory - the PoolableObjectFactory used by created pools.
      maxActive - maximum number of objects that can be borrowed from created pools at one time.
      whenExhaustedAction - the action to take when the pool is exhausted.
      maxWait - the maximum amount of time to wait for an idle object when the pool is exhausted.
      maxIdle - the maximum number of idle objects in my pool.
      minIdle - the minimum number of idle objects in my pool.
      testOnBorrow - whether to validate objects before they are returned by the borrowObject.
      testOnReturn - whether to validate objects after they are returned to the returnObject.
      timeBetweenEvictionRunsMillis - the number of milliseconds to sleep between examining idle objects for eviction.
      numTestsPerEvictionRun - the number of idle objects to examine per run within the idle object eviction thread.
      minEvictableIdleTimeMillis - the minimum number of milliseconds an object can sit idle in the pool before it is eligible for eviction.
      testWhileIdle - whether or not to validate objects in the idle object eviction thread.
      See Also:

    • GenericObjectPoolFactory

      public GenericObjectPoolFactory(PoolableObjectFactory<T> factory, int maxActive, byte whenExhaustedAction, long maxWait, int maxIdle, int minIdle, boolean testOnBorrow, boolean testOnReturn, long timeBetweenEvictionRunsMillis, int numTestsPerEvictionRun, long minEvictableIdleTimeMillis, boolean testWhileIdle, long softMinEvictableIdleTimeMillis)
      Create a new GenericObjectPoolFactory.
      Parameters:
      factory - the PoolableObjectFactory used by created pools.
      maxActive - maximum number of objects that can be borrowed from created pools at one time.
      whenExhaustedAction - the action to take when the pool is exhausted.
      maxWait - the maximum amount of time to wait for an idle object when the pool is exhausted.
      maxIdle - the maximum number of idle objects in my pool.
      minIdle - the minimum number of idle objects in my pool.
      testOnBorrow - whether to validate objects before they are returned by the borrowObject.
      testOnReturn - whether to validate objects after they are returned to the returnObject.
      timeBetweenEvictionRunsMillis - the number of milliseconds to sleep between examining idle objects for eviction.
      numTestsPerEvictionRun - the number of idle objects to examine per run within the idle object eviction thread.
      minEvictableIdleTimeMillis - the minimum number of milliseconds an object can sit idle in the pool before it is eligible for eviction.
      testWhileIdle - whether or not to validate objects in the idle object eviction thread.
      softMinEvictableIdleTimeMillis - the minimum number of milliseconds an object can sit idle in the pool before it is eligible for eviction with the extra condition that at least "minIdle" amount of object remain in the pool.
      Since:
      Pool 1.3
      See Also:

    • GenericObjectPoolFactory

      public GenericObjectPoolFactory(PoolableObjectFactory<T> factory, int maxActive, byte whenExhaustedAction, long maxWait, int maxIdle, int minIdle, boolean testOnBorrow, boolean testOnReturn, long timeBetweenEvictionRunsMillis, int numTestsPerEvictionRun, long minEvictableIdleTimeMillis, boolean testWhileIdle, long softMinEvictableIdleTimeMillis, boolean lifo)
      Create a new GenericObjectPoolFactory.
      Parameters:
      factory - the PoolableObjectFactory used by created pools.
      maxActive - maximum number of objects that can be borrowed from created pools at one time.
      whenExhaustedAction - the action to take when the pool is exhausted.
      maxWait - the maximum amount of time to wait for an idle object when the pool is exhausted.
      maxIdle - the maximum number of idle objects in my pool.
      minIdle - the minimum number of idle objects in my pool.
      testOnBorrow - whether to validate objects before they are returned by the borrowObject.
      testOnReturn - whether to validate objects after they are returned to the returnObject.
      timeBetweenEvictionRunsMillis - the number of milliseconds to sleep between examining idle objects for eviction.
      numTestsPerEvictionRun - the number of idle objects to examine per run within the idle object eviction thread.
      minEvictableIdleTimeMillis - the minimum number of milliseconds an object can sit idle in the pool before it is eligible for eviction.
      testWhileIdle - whether or not to validate objects in the idle object eviction thread.
      softMinEvictableIdleTimeMillis - the minimum number of milliseconds an object can sit idle in the pool before it is eligible for eviction with the extra condition that at least "minIdle" amount of object remain in the pool.
      lifo - whether or not objects are returned in last-in-first-out order from the idle object pool.
      Since:
      Pool 1.4
      See Also:

  • Method Details

    • createPool

      public ObjectPool<T> createPool()
      Create and return a new ObjectPool.
      Specified by:
      createPool in interface ObjectPoolFactory<T>
      Returns:
      a new ObjectPool

    • getMaxIdle

      public int getMaxIdle()
      Returns:
      the maxIdle setting for pools created by this factory.
      Since:
      1.5.5

    • getMinIdle

      public int getMinIdle()
      Returns:
      the minIdle setting for pools created by this factory.
      Since:
      1.5.5

    • getMaxActive

      public int getMaxActive()
      Returns:
      the maxActive setting for pools created by this factory.
      Since:
      1.5.5

    • getMaxWait

      public long getMaxWait()
      Returns:
      the maxWait setting for pools created by this factory.
      Since:
      1.5.5

    • getWhenExhaustedAction

      public byte getWhenExhaustedAction()
      Returns:
      the whenExhaustedAction setting for pools created by this factory.
      Since:
      1.5.5

    • getTestOnBorrow

      public boolean getTestOnBorrow()
      Returns:
      the testOnBorrow setting for pools created by this factory.
      Since:
      1.5.5

    • getTestOnReturn

      public boolean getTestOnReturn()
      Returns:
      the testOnReturn setting for pools created by this factory.
      Since:
      1.5.5

    • getTestWhileIdle

      public boolean getTestWhileIdle()
      Returns:
      the testWhileIdle setting for pools created by this factory.
      Since:
      1.5.5

    • getTimeBetweenEvictionRunsMillis

      public long getTimeBetweenEvictionRunsMillis()
      Returns:
      the timeBetweenEvictionRunsMillis setting for pools created by this factory.
      Since:
      1.5.5

    • getNumTestsPerEvictionRun

      public int getNumTestsPerEvictionRun()
      Returns:
      the numTestsPerEvictionRun setting for pools created by this factory.
      Since:
      1.5.5

    • getMinEvictableIdleTimeMillis

      public long getMinEvictableIdleTimeMillis()
      Returns:
      the minEvictableIdleTimeMillis setting for pools created by this factory.
      Since:
      1.5.5

    • getSoftMinEvictableIdleTimeMillis

      public long getSoftMinEvictableIdleTimeMillis()
      Returns:
      the softMinEvicatableIdleTimeMillis setting for pools created by this factory.
      Since:
      1.5.5

    • getLifo

      public boolean getLifo()
      Returns:
      the lifo setting for pools created by this factory.
      Since:
      1.5.5

    • getFactory

      public PoolableObjectFactory<T> getFactory()
      Returns:
      the PoolableObjectFactory used by pools created by this factory