1 files changed, 185 insertions, 0 deletions
diff --git a/tags/java/sca/1.5.1/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/EndpointWireImpl.java b/tags/java/sca/1.5.1/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/EndpointWireImpl.java
new file mode 100644
index 0000000000..4f463b105d
--- /dev/null
+++ b/tags/java/sca/1.5.1/modules/core/src/main/java/org/apache/tuscany/sca/core/assembly/EndpointWireImpl.java
@@ -0,0 +1,185 @@
+/*
+ * 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.assembly;
+
+import java.lang.reflect.InvocationTargetException;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.core.invocation.InvocationChainImpl;
+import org.apache.tuscany.sca.endpointresolver.EndpointResolver;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.InvocationChain;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.provider.ReferenceBindingProvider;
+import org.apache.tuscany.sca.runtime.EndpointReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+import org.osoa.sca.ServiceUnavailableException;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class EndpointWireImpl implements RuntimeWire {
+
+    private Endpoint endpoint;
+    private CompositeActivatorImpl compositeActivator;
+    
+    private EndpointResolver endpointResolver;
+    private EndpointReference source;
+    private RuntimeWire wire;
+    private InvocationChain binidngInvocationChain;
+
+    /**
+     * @param endpoint
+     */
+    public EndpointWireImpl(Endpoint endpoint, CompositeActivator compositeActivator) {
+        super();
+        this.endpoint = endpoint;
+        // TODO - improve the SPI to get rid of this cast
+        this.compositeActivator = (CompositeActivatorImpl)compositeActivator;
+        
+        // store source configuration as we have most of this now. We don't though know what the 
+        // target is yet. 
+        Reference componentTypeRef = endpoint.getSourceComponentReference().getReference();
+        InterfaceContract sourceContract =
+            componentTypeRef == null ? endpoint.getSourceComponentReference().getInterfaceContract() : componentTypeRef.getInterfaceContract();
+        sourceContract = sourceContract.makeUnidirectional(false);
+
+        source = new EndpointReferenceImpl((RuntimeComponent)endpoint.getSourceComponent(), 
+                                            endpoint.getSourceComponentReference(), 
+                                            null, 
+                                            sourceContract);
+        
+        RuntimeComponentReference runtimeRef = ((RuntimeComponentReference)endpoint.getSourceComponentReference());
+        endpointResolver = runtimeRef.getEndpointResolver(endpoint);
+        
+    }
+
+    public synchronized List<InvocationChain> getInvocationChains() {
+        // where late binding happens. Find the endpoint provider and
+        // ask it to do the endpoint resolution.
+        if (endpoint.isUnresolved()){
+            
+            // this method should locate a viable target service and complete the 
+            // endpoint configuration
+            endpointResolver.resolve();
+            
+            if (endpoint.isUnresolved()){
+                throw new ServiceUnavailableException("Unable to resolve service for component: " +
+                        endpoint.getSourceComponent().getName() +
+                        " reference: " + 
+                        endpoint.getSourceComponentReference().getName() +
+                        " target: " + 
+                        endpoint.getTargetName());
+            } 
+        }
+        
+        if (wire == null){           
+            RuntimeComponentReference runtimeRef = ((RuntimeComponentReference)endpoint.getSourceComponentReference());
+            
+            // add the resolved binding into the reference
+            runtimeRef.getBindings().add(endpoint.getSourceBinding());
+            
+            // add a binding provider into the reference for the resolved binding 
+            compositeActivator.addReferenceBindingProviderForEndpoint(endpoint);
+            
+            // extract the binding provider that has been created
+            ReferenceBindingProvider bindingProvider = runtimeRef.getBindingProvider(endpoint.getSourceBinding());
+            
+            // start the binding provider  
+            bindingProvider.start();
+            
+            // create the wire
+            compositeActivator.addReferenceWireForEndpoint(endpoint);
+            
+            // extract the wire that has been created
+            wire = runtimeRef.getRuntimeWire(endpoint.getSourceBinding());
+        }            
+
+        return wire.getInvocationChains();
+    }
+
+    public InvocationChain getInvocationChain(Operation operation) {
+        if (wire ==null){
+            return null;
+        } else {
+            return wire.getInvocationChain(operation);
+        }
+    }
+
+    public Object invoke(Message msg) throws InvocationTargetException {
+        // not called as the endpoint wire only appears on the reference side
+        return null;
+    }
+    
+    public Object invoke(Operation operation, Object[] args) throws InvocationTargetException {
+        // not called as the endpoint wire only appears on the reference side
+        return null;
+    }
+
+    public Object invoke(Operation operation, Message msg) throws InvocationTargetException {
+        // not called as the endpoint wire only appears on the reference side
+        return null;
+    }
+
+
+    public EndpointReference getSource() {
+        return source;
+    }
+
+    public EndpointReference getTarget() {
+        return null;
+    }
+
+    public void setTarget(EndpointReference target) {
+    }
+
+    public void rebuild() {
+    }
+    
+    public synchronized InvocationChain getBindingInvocationChain() {
+        if (binidngInvocationChain == null) {
+            if (source instanceof RuntimeComponentReference) {
+                binidngInvocationChain = new InvocationChainImpl(null, null, true);
+            } else {
+                binidngInvocationChain = new InvocationChainImpl(null, null, false);
+            }
+        }
+        return binidngInvocationChain;
+    }
+
+    // TODO: TUSCANY-2580: give RuntimeComponentReferenceImpl a way to get at the endpoint
+    public Endpoint getEndpoint() {
+        return endpoint;
+    }
+    
+    /**
+     * @see java.lang.Object#clone()
+     */
+    @Override
+    public Object clone() throws CloneNotSupportedException {
+        EndpointWireImpl copy = (EndpointWireImpl)super.clone();
+        return copy;
+    }
+}