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30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
CachingComponentAdapter.java | 100% | 100% | 100% | 100% |
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/*****************************************************************************
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* Copyright (c) PicoContainer Organization. All rights reserved. *
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* ------------------------------------------------------------------------- *
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* The software in this package is published under the terms of the BSD *
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* style license a copy of which has been included with this distribution in *
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* the LICENSE.txt file. *
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* *
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* Idea by Rachel Davies, Original code by Aslak Hellesoy and Paul Hammant *
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*****************************************************************************/
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package org.picocontainer.defaults;
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import org.picocontainer.ComponentAdapter;
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import org.picocontainer.PicoInitializationException;
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import org.picocontainer.PicoIntrospectionException;
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/**
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* This ComponentAdapter caches the instance.
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* @version $Revision: 1.10 $
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*/
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public class CachingComponentAdapter extends DecoratingComponentAdapter { |
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private ObjectReference instanceReference;
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public CachingComponentAdapter(ComponentAdapter delegate) {
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this(delegate, new SimpleReference()); |
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} |
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public CachingComponentAdapter(ComponentAdapter delegate, ObjectReference instanceReference) {
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super(delegate);
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this.instanceReference = instanceReference;
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} |
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public Object getComponentInstance()
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throws PicoInitializationException, PicoIntrospectionException, AssignabilityRegistrationException, NotConcreteRegistrationException {
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if (instanceReference.get() == null) { |
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instanceReference.set(super.getComponentInstance());
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} |
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return instanceReference.get();
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} |
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} |
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