1 files changed, 156 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/impl/ReferenceImpl.java b/sca-java-2.x/tags/2.0.1-RC1/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/impl/ReferenceImpl.java
new file mode 100644
index 0000000000..6e5e09adf6
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/impl/ReferenceImpl.java
@@ -0,0 +1,156 @@
+/*
+ * 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.assembly.impl;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Callback;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+
+/**
+ * Represents a reference.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class ReferenceImpl extends AbstractReferenceImpl implements Reference, Cloneable {
+    private List<Binding> bindings = new ArrayList<Binding>();
+    private boolean wiredByImpl;
+    private List<ComponentService> targets = new ArrayList<ComponentService>();
+    private Callback callback;
+    private boolean overridingBindings;
+    private boolean allowsPassByReference;
+    private List<EndpointReference> endpointReferences = new ArrayList<EndpointReference>();
+
+    /**
+     * Constructs a new reference.
+     */
+    protected ReferenceImpl() {
+    }
+
+    @Override
+    public Object clone() throws CloneNotSupportedException {
+        ReferenceImpl clone = (ReferenceImpl)super.clone();
+        clone.bindings = new ArrayList<Binding>();
+        for (Binding binding : getBindings()){
+            clone.bindings.add((Binding)binding.clone());
+        }
+        clone.targets = new ArrayList<ComponentService>(targets);
+        // clone the endpoint references themselves and set the reference pointer back to 
+        // this new refrence
+        clone.endpointReferences = new ArrayList<EndpointReference>();
+
+        for (EndpointReference epr : endpointReferences) {
+            EndpointReference eprClone = (EndpointReference)epr.clone();
+            eprClone.setReference((ComponentReference)clone);
+            clone.endpointReferences.add(eprClone);
+        }
+        return clone;
+    }
+
+    public List<Binding> getBindings() {
+        return bindings;
+    }
+    
+    public Binding getBinding(String name) {
+        for (Binding binding : bindings) {
+            if (binding.getName().equals(name)) {
+                return binding;
+            }
+        }
+        return null;
+    }    
+
+    public <B> B getBinding(Class<B> bindingClass) {
+        for (Binding binding : bindings) {
+            if (bindingClass.isInstance(binding)) {
+                return bindingClass.cast(binding);
+            }
+        }
+        return null;
+    }
+
+    public <B> B getCallbackBinding(Class<B> bindingClass) {
+        if (callback != null) {
+            for (Binding binding : callback.getBindings()) {
+                if (bindingClass.isInstance(binding)) {
+                    return bindingClass.cast(binding);
+                }
+            }
+        }
+        return null;
+    }
+
+    public boolean isWiredByImpl() {
+        return wiredByImpl;
+    }
+
+    public void setWiredByImpl(boolean wiredByImpl) {
+        this.wiredByImpl = wiredByImpl;
+    }
+
+    public List<ComponentService> getTargets() {
+        return targets;
+    }
+
+    public Callback getCallback() {
+        return callback;
+    }
+
+    public void setCallback(Callback callback) {
+        this.callback = callback;
+    }
+
+    /**
+     * By default return the interface contract for the reference
+     */
+    public InterfaceContract getInterfaceContract(Binding binding) {
+        return getInterfaceContract();
+    }
+
+    public List<EndpointReference> getEndpointReferences() {
+        return endpointReferences;
+    }
+
+    public String toString() {
+        return getName();
+    }
+
+    public boolean isOverridingBindings() {
+        return overridingBindings;
+    }
+
+    public void setOverridingBindings(boolean overridingBindings) {
+        this.overridingBindings = overridingBindings;
+    }
+
+    public boolean isAllowsPassByReference() {
+        return allowsPassByReference;
+    }
+
+    public void setAllowsPassByReference(boolean allowsPassByReference) {
+        this.allowsPassByReference = allowsPassByReference;
+    }
+}