Fixed all line endings of the repository

[simantics/platform.git] / bundles / org.simantics.utils.datastructures / src / org / simantics / utils / datastructures / cache / WeakCachedMapProvider.java

diff --git a/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/cache/WeakCachedMapProvider.java b/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/cache/WeakCachedMapProvider.java
index 2aab35c7f350bf5582c33bf4f7435d458073a28d..459e77494f4914b41ad0606ff028cdb1d1b06972 100644 (file)
--- a/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/cache/WeakCachedMapProvider.java
+++ b/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/cache/WeakCachedMapProvider.java
@@ -1,76 +1,76 @@
-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- *     VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-/*\r
- *\r
- * @author Toni Kalajainen\r
- */\r
-package org.simantics.utils.datastructures.cache;\r
-\r
-import java.lang.ref.WeakReference;\r
-import java.util.HashMap;\r
-import java.util.Map;\r
-\r
-/**\r
- * WeakCachedProvider provides values and stores the results in a cache.\r
- * Cached values are held with weak references. Values are removed\r
- * automatically as they are disposed.\r
- *\r
- * Keys are referenced with strong references.\r
- *\r
- * @param <K> key type\r
- * @param <V> value type\r
- */\r
-public class WeakCachedMapProvider<K, V> implements IMapProvider<K, V> {\r
-\r
-       private Map<K, WeakReference<V>> cache = \r
-               new HashMap<K, WeakReference<V>>();\r
-       \r
-       private final IMapProvider<K, V> provider;\r
-       \r
-       /**\r
-        * Constructs new weak cache.\r
-        * \r
-        * @param provider provider of values \r
-        */\r
-       public WeakCachedMapProvider(IMapProvider<K, V> provider)\r
-       {\r
-               assert(provider!=null);\r
-               this.provider = provider;\r
-       }       \r
-       \r
-       @Override\r
-       public synchronized V get(K key) \r
-       {\r
-               WeakReference<V> ref = cache.get(key);\r
-               if (ref!=null) {\r
-                       V result = ref.get();\r
-                       if (result!=null) return result;\r
-                       cache.remove(ref);\r
-               }\r
-               \r
-               V value = provider.get(key);\r
-               assert(value!=null);\r
-               \r
-               ref = new WeakReference<V>(value);\r
-               cache.put(key, ref);\r
-               return value;           \r
-       }\r
-       \r
-       /**\r
-        * Release all weak references\r
-        */\r
-       public synchronized void clear()\r
-       {\r
-               cache.clear();\r
-       }       \r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * 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
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+/*
+ *
+ * @author Toni Kalajainen
+ */
+package org.simantics.utils.datastructures.cache;
+
+import java.lang.ref.WeakReference;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * WeakCachedProvider provides values and stores the results in a cache.
+ * Cached values are held with weak references. Values are removed
+ * automatically as they are disposed.
+ *
+ * Keys are referenced with strong references.
+ *
+ * @param <K> key type
+ * @param <V> value type
+ */
+public class WeakCachedMapProvider<K, V> implements IMapProvider<K, V> {
+
+       private Map<K, WeakReference<V>> cache = 
+               new HashMap<K, WeakReference<V>>();
+       
+       private final IMapProvider<K, V> provider;
+       
+       /**
+        * Constructs new weak cache.
+        * 
+        * @param provider provider of values 
+        */
+       public WeakCachedMapProvider(IMapProvider<K, V> provider)
+       {
+               assert(provider!=null);
+               this.provider = provider;
+       }       
+       
+       @Override
+       public synchronized V get(K key) 
+       {
+               WeakReference<V> ref = cache.get(key);
+               if (ref!=null) {
+                       V result = ref.get();
+                       if (result!=null) return result;
+                       cache.remove(ref);
+               }
+               
+               V value = provider.get(key);
+               assert(value!=null);
+               
+               ref = new WeakReference<V>(value);
+               cache.put(key, ref);
+               return value;           
+       }
+       
+       /**
+        * Release all weak references
+        */
+       public synchronized void clear()
+       {
+               cache.clear();
+       }       
+
+}