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package org.mule.util.queue; |
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import java.io.IOException; |
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import java.util.Collections; |
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import java.util.List; |
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import java.util.Map; |
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import org.apache.commons.collections.map.ReferenceMap; |
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public class CachingPersistenceStrategy implements QueuePersistenceStrategy |
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{ |
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private QueuePersistenceStrategy ps; |
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private Map objects; |
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public CachingPersistenceStrategy(QueuePersistenceStrategy ps) |
27 | 0 | { |
28 | 0 | this.ps = ps; |
29 | 0 | this.objects = Collections.synchronizedMap(new ReferenceMap()); |
30 | 0 | } |
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public void open() throws IOException |
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{ |
34 | 0 | ps.open(); |
35 | 0 | } |
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public void close() throws IOException |
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{ |
39 | 0 | objects.clear(); |
40 | 0 | ps.close(); |
41 | 0 | } |
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public Object load(String queue, Object id) throws IOException |
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{ |
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47 | 0 | return ps.load(queue, id); |
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} |
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public void remove(String queue, Object id) throws IOException |
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{ |
52 | 0 | objects.remove(id); |
53 | 0 | ps.remove(queue, id); |
54 | 0 | } |
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public List restore() throws IOException |
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{ |
58 | 0 | return ps.restore(); |
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} |
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public Object store(String queue, Object obj) throws IOException |
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{ |
63 | 0 | Object id = ps.store(queue, obj); |
64 | 0 | objects.put(id, obj); |
65 | 0 | return id; |
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} |
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public boolean isTransient() |
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{ |
70 | 0 | return ps.isTransient(); |
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} |
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} |