Moving to root below branch label

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2005 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/policy/BehaviourMap.java

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+/*
+ * Copyright (C) 2005 Alfresco, Inc.
+ *
+ * Licensed under the Mozilla Public License version 1.1 
+ * with a permitted attribution clause. You may obtain a
+ * copy of the License at
+ *
+ *   http://www.alfresco.org/legal/license.txt
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific
+ * language governing permissions and limitations under the
+ * License.
+ */
+package org.alfresco.repo.policy;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+
+/**
+ * Simple Map of Binding to Behaviour with observer support.
+ * 
+ * @author David Caruana
+ *
+ * @param <B>  the type of binding.
+ */
+/*package*/ class BehaviourMap<B extends BehaviourBinding>
+{
+    /**
+     * The map of bindings to behaviour
+     */
+    private Map<B, BehaviourDefinition<B>> index = new HashMap<B, BehaviourDefinition<B>>();
+    
+    /**
+     * The list of registered observers
+     */
+    private List<BehaviourChangeObserver<B>> observers = new ArrayList<BehaviourChangeObserver<B>>();
+    
+
+    /**
+     * Binds a Behaviour into the Map
+     * 
+     * @param behaviourDefinition  the behaviour definition to bind
+     */
+    public void put(BehaviourDefinition<B> behaviourDefinition)
+    {
+        B binding = behaviourDefinition.getBinding();
+        index.put(binding, behaviourDefinition);
+        for (BehaviourChangeObserver<B> listener : observers)
+        {
+            listener.addition(binding, behaviourDefinition.getBehaviour());
+        }
+    }
+    
+    
+    /**
+     * Gets a Behaviour from the Map
+     * 
+     * @param binding  the binding
+     * @return  the behaviour
+     */
+    public BehaviourDefinition<B> get(B binding)
+    {
+        return index.get(binding);
+    }
+
+
+    /**
+     * Gets all bound Behaviours from the Map
+     * 
+     * @return  all bound behaviours
+     */
+    public Collection<BehaviourDefinition<B>> getAll()
+    {
+        return index.values();
+    }
+
+    
+    /**
+     * Gets the count of bound behaviours
+     * 
+     * @return  the count
+     */
+    public int size()
+    {
+        return index.size();
+    }
+
+    
+    /**
+     * Adds a Change Observer
+     * 
+     * @param observer  the change observer
+     */
+    public void addChangeObserver(BehaviourChangeObserver<B> observer)
+    {
+        observers.add(observer);
+    }
+    
+}