1 files changed, 75 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-final/java/sca/model/src/main/java/org/apache/tuscany/model/assembly/impl/ExtensibleImpl.java b/sca-java-1.x/tags/java-M1-final/java/sca/model/src/main/java/org/apache/tuscany/model/assembly/impl/ExtensibleImpl.java
new file mode 100644
index 0000000000..6adf66dc9e
--- /dev/null
+++ b/sca-java-1.x/tags/java-M1-final/java/sca/model/src/main/java/org/apache/tuscany/model/assembly/impl/ExtensibleImpl.java
@@ -0,0 +1,75 @@
+/**
+ *
+ *  Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
+ *
+ *  Licensed 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.model.assembly.impl;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.tuscany.model.assembly.AssemblyContext;
+import org.apache.tuscany.model.assembly.AssemblyVisitor;
+import org.apache.tuscany.model.assembly.Extensible;
+
+/**
+ * An implementation of Extensible.
+ */
+public abstract class ExtensibleImpl extends AssemblyObjectImpl implements Extensible {
+
+    private List<Object> extensibilityElements = new ArrayList<Object>();
+    private List<Object> extensibilityAttributes = new ArrayList<Object>();
+
+    protected ExtensibleImpl() {
+    }
+
+    public List<Object> getExtensibilityElements() {
+        return extensibilityElements;
+    }
+
+    public List<Object> getExtensibilityAttributes() {
+        return extensibilityAttributes;
+    }
+
+    public void initialize(AssemblyContext modelContext) {
+        if (isInitialized())
+            return;
+        super.initialize(modelContext);
+
+        // Initialize extensibility elements and attributes
+        initialize(extensibilityElements, modelContext);
+        initialize(extensibilityAttributes, modelContext);
+    }
+
+    public void freeze() {
+        if (isFrozen())
+            return;
+        super.freeze();
+
+        // Freeze extensibility elements and attributes
+        freeze(extensibilityElements);
+        freeze(extensibilityAttributes);
+    }
+
+    public boolean accept(AssemblyVisitor visitor) {
+        if (!super.accept(visitor))
+            return false;
+
+        if (!accept(extensibilityElements, visitor))
+            return false;
+        return accept(extensibilityAttributes, visitor);
+
+    }
+
+}