Merged HEAD-QA to HEAD (4.2) (including moving test classes into separate folders)

51903 to 54309 


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@54310 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/cache/DefaultCacheFactory.java

@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2005-2012 Alfresco Software Limited.
+ *
+ * This file is part of Alfresco
+ *
+ * Alfresco is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Alfresco is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.alfresco.repo.cache;
+
+import java.io.Serializable;
+import java.util.Properties;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+/**
+ * {@link CacheFactory} implementation that creates {@link DefaultSimpleCache} instances.
+ * The caches are created with a capacity specified by the property {name}.maxItems.
+ * For example, a cache named <tt>cache.ticketsCache</tt> would have a capacity specified
+ * by the property <tt>cache.ticketsCache.maxItems</tt>
+ * 
+ * @author Matt Ward
+ */
+public class DefaultCacheFactory<K extends Serializable, V> implements CacheFactory<K, V>
+{
+    private static final Log log = LogFactory.getLog(DefaultCacheFactory.class);
+    private Properties properties;
+    
+    @Override
+    public SimpleCache<K, V> createCache(String cacheName)
+    {
+        return createLocalCache(cacheName);
+    }
+    
+    @Override
+    public SimpleCache<K, V> createLocalCache(String cacheName)
+    {
+        DefaultSimpleCache<K, V> cache = new DefaultSimpleCache<K, V>();
+        cache.setCacheName(cacheName);
+        int maxItems = maxItems(cacheName);
+        // maxItems of zero has no effect, DefaultSimpleCache will use its default capacity.
+        if (maxItems > 0)
+        {
+            cache.setMaxItems(maxItems);
+        }
+        if (log.isDebugEnabled())
+        {
+            log.debug("Creating cache: " + cache);
+        }
+        return cache;
+    }
+
+    @Override
+    public SimpleCache<K, V> createInvalidatingCache(String cacheName)
+    {
+        return createLocalCache(cacheName);
+    }
+
+    @Override
+    public SimpleCache<K, V> createInvalidateRemovalCache(String cacheName)
+    {
+        return createLocalCache(cacheName);
+    }
+
+    private int maxItems(String cacheName)
+    {
+        String maxItemsStr = properties.getProperty(cacheName + ".maxItems");
+        Integer maxItems = maxItemsStr != null ? Integer.parseInt(maxItemsStr) : 0; 
+        return maxItems.intValue();
+    }
+
+    /**
+     * Provide properties to parameterize cache creation. Cache properties are prefixed
+     * with the cacheName supplied when invoking {@link DefaultCacheFactory#createCache(String)}.
+     * For example, for a cache named cache.ticketsCache the property cache.ticketsCache.maxItems
+     * will determine the capacity of the cache.
+     * 
+     * @param properties
+     */
+    public void setProperties(Properties properties)
+    {
+        this.properties = properties;
+    }
+}