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@ -1,5 +1,5 @@ |
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/* |
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/* |
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* Copyright 2002-2009 the original author or authors. |
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* Copyright 2002-2010 the original author or authors. |
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* |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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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 not use this file except in compliance with the License. |
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@ -19,7 +19,6 @@ package org.springframework.core.type.classreading; |
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import java.io.IOException; |
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import java.io.IOException; |
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import java.util.LinkedHashMap; |
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import java.util.LinkedHashMap; |
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import java.util.Map; |
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import java.util.Map; |
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import java.util.Map.Entry; |
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import org.springframework.core.io.Resource; |
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import org.springframework.core.io.Resource; |
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import org.springframework.core.io.ResourceLoader; |
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import org.springframework.core.io.ResourceLoader; |
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@ -37,19 +36,9 @@ public class CachingMetadataReaderFactory extends SimpleMetadataReaderFactory { |
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private static final int MAX_ENTRIES = 256; |
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private static final int MAX_ENTRIES = 256; |
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@SuppressWarnings("serial") |
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private static final <K, V> Map<K, V> createLRUCache() { |
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return new LinkedHashMap<K, V>(MAX_ENTRIES, 0.75f, true) { |
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@Override |
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protected boolean removeEldestEntry(Entry<K, V> eldest) { |
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return size() > MAX_ENTRIES; |
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} |
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}; |
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} |
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private final Map<Resource, MetadataReader> classReaderCache = createLRUCache(); |
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private final Map<Resource, MetadataReader> classReaderCache = createLRUCache(); |
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/** |
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/** |
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* Create a new CachingMetadataReaderFactory for the default class loader. |
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* Create a new CachingMetadataReaderFactory for the default class loader. |
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*/ |
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*/ |
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@ -74,6 +63,7 @@ public class CachingMetadataReaderFactory extends SimpleMetadataReaderFactory { |
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super(classLoader); |
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super(classLoader); |
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} |
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} |
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@Override |
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@Override |
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public MetadataReader getMetadataReader(Resource resource) throws IOException { |
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public MetadataReader getMetadataReader(Resource resource) throws IOException { |
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synchronized (this.classReaderCache) { |
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synchronized (this.classReaderCache) { |
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@ -85,4 +75,16 @@ public class CachingMetadataReaderFactory extends SimpleMetadataReaderFactory { |
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return metadataReader; |
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return metadataReader; |
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} |
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} |
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} |
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} |
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} |
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@SuppressWarnings("serial") |
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private static <K, V> Map<K, V> createLRUCache() { |
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return new LinkedHashMap<K, V>(MAX_ENTRIES, 0.75f, true) { |
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@Override |
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protected boolean removeEldestEntry(Map.Entry<K, V> eldest) { |
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return size() > MAX_ENTRIES; |
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} |
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}; |
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} |
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} |
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