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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 | |||||||||||||||
ObjectPoolImpl.java | 100% | 90% | 66.7% | 88.2% |
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// Copyright 2004, 2005 The Apache Software Foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package org.apache.tapestry.services.impl;
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import java.util.HashMap;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Map;
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import org.apache.tapestry.event.ResetEventListener;
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import org.apache.tapestry.services.ObjectPool;
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/**
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* Implementation of the {@link org.apache.tapestry.services.ObjectPool} interface.
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*
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* <p>
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* This ia a minimal implementation, one that has no concept of automatically removing
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* unused pooled objects. Eventually, it will also register for notifications about
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* general cache cleaning.
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*
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* @author Howard Lewis Ship
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* @since 4.0
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*/
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public class ObjectPoolImpl implements ObjectPool, ResetEventListener |
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{ |
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/**
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* Pool of Lists (of pooled objects), keyed on arbitrary key.
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*/
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private Map _pool = new HashMap(); |
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public synchronized Object get(Object key) |
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{ |
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List pooled = (List) _pool.get(key); |
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if (pooled == null || pooled.isEmpty()) |
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return null; |
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return pooled.remove(0);
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} |
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public synchronized void store(Object key, Object value) |
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{ |
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List pooled = (List) _pool.get(key); |
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if (pooled == null) |
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{ |
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pooled = new LinkedList();
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_pool.put(key, pooled); |
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} |
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pooled.add(value); |
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} |
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public synchronized void resetEventDidOccur() |
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{ |
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_pool.clear(); |
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} |
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} |
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