org.apache.commons.pool2.impl

Class PoolImplUtils

java.lang.Object

org.apache.commons.pool2.impl.PoolImplUtils

class PoolImplUtils
extends java.lang.Object

Implementation specific utilities.

Since:

2.0

Constructor Summary

Constructors

Constructor and Description
PoolImplUtils()

Method Summary

Modifier and Type	Method and Description
(package private) static java.lang.Class<?>	getFactoryType(java.lang.Class<? extends PooledObjectFactory> factory) Identifies the concrete type of object that an object factory creates.
private static <T> java.lang.Object	getGenericType(java.lang.Class<T> type, java.lang.Class<? extends T> clazz) Obtain the concrete type used by an implementation of an interface that uses a generic type.
private static java.lang.Object	getTypeParameter(java.lang.Class<?> clazz, java.lang.reflect.Type argType) For a generic parameter, return either the Class used or if the type is unknown, the index for the type in definition of the class

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PoolImplUtils

PoolImplUtils()

Method Detail

getFactoryType

static java.lang.Class<?> getFactoryType(java.lang.Class<? extends PooledObjectFactory> factory)

Identifies the concrete type of object that an object factory creates.

Parameters:

factory - The factory to examine

Returns:

the type of object the factory creates

getGenericType

private static <T> java.lang.Object getGenericType(java.lang.Class<T> type,
                                                   java.lang.Class<? extends T> clazz)

Obtain the concrete type used by an implementation of an interface that uses a generic type.

Type Parameters:

T - The interface type

Parameters:

type - The interface that defines a generic type

clazz - The class that implements the interface with a concrete type

Returns:

concrete type used by the implementation

getTypeParameter

private static java.lang.Object getTypeParameter(java.lang.Class<?> clazz,
                                                 java.lang.reflect.Type argType)

For a generic parameter, return either the Class used or if the type is unknown, the index for the type in definition of the class

Parameters:

clazz - defining class

argType - the type argument of interest

Returns:

An instance of Class representing the type used by the type parameter or an instance of Integer representing the index for the type in the definition of the defining class