com.goldencode.p2j.util

Class TransactionManager.ContextContainer

java.lang.Object

com.goldencode.p2j.security.ContextKey

com.goldencode.p2j.security.ContextLocal<TransactionManager.WorkArea>

com.goldencode.p2j.util.TransactionManager.ContextContainer

All Implemented Interfaces:

WeightedToken

Enclosing class:

TransactionManager

private static class TransactionManager.ContextContainer
extends ContextLocal<TransactionManager.WorkArea>

Simple container that stores and returns a context-local instance of the global work area.

Field Summary

Fields inherited from class com.goldencode.p2j.security.ContextKey

HEADLESS_KEY

Constructor Summary

Constructors

Modifier	Constructor and Description
private	ContextContainer()

Method Summary

Modifier and Type	Method and Description
WeightFactor	getWeight() Get the weight of this context-local var.
protected TransactionManager.WorkArea	initialValue() Return null rather than providing a true initial value; initial value is instead lazily created in obtain().
TransactionManager.WorkArea	obtain() Obtains the context-local instance of the contained global work area.

Methods inherited from class com.goldencode.p2j.security.ContextLocal

cleanup, clearInstance, dumpDependencies, get, get, isResetAllowed, set, setDebug

Methods inherited from class com.goldencode.p2j.security.ContextKey

equals, hashCode

Methods inherited from class java.lang.Object

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

Constructor Detail

ContextContainer

private ContextContainer()

Method Detail

getWeight

public WeightFactor getWeight()

Get the weight of this context-local var.

Specified by:

getWeight in interface WeightedToken

Overrides:

getWeight in class ContextLocal<TransactionManager.WorkArea>

Returns:

Always WeightFactor.LEVEL_4.

obtain

public TransactionManager.WorkArea obtain()

Obtains the context-local instance of the contained global work area. The first time this method is invoked in a context, a new WorkArea instance is lazily created.

Returns:

The work area associated with this context.

initialValue

protected final TransactionManager.WorkArea initialValue()

Return null rather than providing a true initial value; initial value is instead lazily created in obtain().

Overrides:

initialValue in class ContextLocal<TransactionManager.WorkArea>

Returns:

null.