Add guava-based object cache

[yangtools.git] / common / object-cache-guava / src / main / java / org / opendaylight / yangtools / objcache / guava / GuavaObjectCacheFactory.java

diff --git a/common/object-cache-guava/src/main/java/org/opendaylight/yangtools/objcache/guava/GuavaObjectCacheFactory.java b/common/object-cache-guava/src/main/java/org/opendaylight/yangtools/objcache/guava/GuavaObjectCacheFactory.java
new file mode 100644 (file)
index 0000000..067b626
--- /dev/null
+++ b/common/object-cache-guava/src/main/java/org/opendaylight/yangtools/objcache/guava/GuavaObjectCacheFactory.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.objcache.guava;
+
+import org.opendaylight.yangtools.objcache.ObjectCache;
+import org.opendaylight.yangtools.objcache.spi.IObjectCacheFactory;
+
+import com.google.common.base.FinalizableReferenceQueue;
+
+public final class GuavaObjectCacheFactory implements IObjectCacheFactory {
+       private static final GuavaObjectCacheFactory INSTANCE = new GuavaObjectCacheFactory();
+       private final FinalizableReferenceQueue queue = new FinalizableReferenceQueue();
+       private final ObjectCache cache;
+
+       private GuavaObjectCacheFactory() {
+               // FIXME: make this more dynamic
+               this.cache = new GuavaObjectCache(queue, null);
+       }
+
+       @Override
+       public void finalize() throws Throwable {
+               try {
+                       queue.close();
+               } finally {
+                       super.finalize();
+               }
+       }
+
+       @Override
+       public ObjectCache getObjectCache(final Class<?> objClass) {
+               return cache;
+       }
+
+       public static GuavaObjectCacheFactory getInstance() {
+               return INSTANCE;
+       }
+}