Re-tag 2.0-M4 RC1 release

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@831279 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 70 insertions, 0 deletions

diff --git a/tags/java/sca/2.0-M4-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/impl/ScopeRegistryImpl.java b/tags/java/sca/2.0-M4-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/impl/ScopeRegistryImpl.java
new file mode 100644
index 0000000000..9884c5f053
--- /dev/null
+++ b/tags/java/sca/2.0-M4-RC1/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/impl/ScopeRegistryImpl.java
@@ -0,0 +1,70 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * 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.apache.tuscany.sca.core.scope.impl;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.apache.tuscany.sca.core.scope.Scope;
+import org.apache.tuscany.sca.core.scope.ScopeContainer;
+import org.apache.tuscany.sca.core.scope.ScopeContainerFactory;
+import org.apache.tuscany.sca.core.scope.ScopeRegistry;
+import org.apache.tuscany.sca.core.scope.ScopedImplementationProvider;
+import org.apache.tuscany.sca.core.scope.ScopedRuntimeComponent;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * The default implementation of a scope registry
+ * 
+ * @version $Rev$ $Date$
+ */
+public class ScopeRegistryImpl implements ScopeRegistry {
+    private final Map<Scope, ScopeContainerFactory> scopeCache = new ConcurrentHashMap<Scope, ScopeContainerFactory>();
+
+    public void register(ScopeContainerFactory factory) {
+        scopeCache.put(factory.getScope(), factory);
+    }
+
+    public ScopeContainer getScopeContainer(RuntimeComponent runtimeComponent) {
+        if (!(runtimeComponent instanceof ScopedRuntimeComponent)) {
+            return null;
+        }
+        ScopedRuntimeComponent component = (ScopedRuntimeComponent)runtimeComponent;
+        if (component.getScopeContainer() != null) {
+            return component.getScopeContainer();
+        }
+        ImplementationProvider implementationProvider = component.getImplementationProvider();
+        if (implementationProvider instanceof ScopedImplementationProvider) {
+            ScopedImplementationProvider provider = (ScopedImplementationProvider)implementationProvider;
+            Scope scope = provider.getScope();
+            if (scope == null) {
+                scope = Scope.STATELESS;
+            } else if (scope.equals(Scope.INVALID)) {
+            	return null;
+            }
+            ScopeContainerFactory factory = scopeCache.get(scope);
+            ScopeContainer container = factory.createScopeContainer(component);
+            component.setScopeContainer(container);
+            return container;
+        }
+        return null;
+    }
+
+}