1 files changed, 130 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAServiceBindingProvider.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAServiceBindingProvider.java
new file mode 100644
index 0000000000..2dc019226a
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-sca-runtime/src/main/java/org/apache/tuscany/sca/binding/sca/provider/RuntimeSCAServiceBindingProvider.java
@@ -0,0 +1,130 @@
+/*
+ * 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.binding.sca.provider;
+
+import org.apache.tuscany.sca.binding.local.LocalSCABindingInvocationInterceptor;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.invocation.InvocationChain;
+import org.apache.tuscany.sca.invocation.InvokerAsyncResponse;
+import org.apache.tuscany.sca.invocation.Phase;
+import org.apache.tuscany.sca.provider.EndpointAsyncProvider;
+import org.apache.tuscany.sca.provider.EndpointProvider;
+import org.apache.tuscany.sca.provider.OptimisingBindingProvider;
+import org.apache.tuscany.sca.provider.SCABindingMapper;
+import org.apache.tuscany.sca.provider.ServiceBindingProvider;
+import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
+
+/**
+ * The sca service binding provider mediates between the twin requirements of
+ * local sca bindings and remote sca bindings. In the local case is does
+ * very little. When the sca binding model is set as being remote this binding will
+ * try and create a remote service endpoint for remote references to connect to
+ *
+ * @version $Rev$ $Date$
+ */
+public class RuntimeSCAServiceBindingProvider implements EndpointAsyncProvider, OptimisingBindingProvider {
+    private RuntimeEndpoint endpoint;
+    private SCABindingMapper mapper;
+
+    private ServiceBindingProvider delegatingBindingProvider;
+
+    public RuntimeSCAServiceBindingProvider(SCABindingMapper scaBindingMapper, RuntimeEndpoint endpoint) {
+        this.endpoint = endpoint;
+        this.mapper = scaBindingMapper;
+        getDelegatingProvider();
+    }
+
+    // if there is potentially a wire to this service that crosses the node boundary
+    // then we need to create a remote endpoint
+    private ServiceBindingProvider getDelegatingProvider() {
+    	if(delegatingBindingProvider == null) {
+			delegatingBindingProvider = new DelegatingSCAServiceBindingProvider(endpoint, mapper);
+    	}
+        return delegatingBindingProvider;
+    }
+
+    /*
+    protected boolean isDistributed(ExtensionPointRegistry extensionPoints, Endpoint endpoint) {
+        // find if the node config is for distributed endpoints
+        // TODO: temp, need a much better way to do this
+        DomainRegistryFactory domainRegistryFactory = ExtensibleDomainRegistryFactory.getInstance(extensionPoints);
+        Collection<DomainRegistry> eprs = domainRegistryFactory.getEndpointRegistries();
+        if (eprs.size() > 0) {
+            String eprName = eprs.iterator().next().getClass().getName();
+            return !eprName.equals("org.apache.tuscany.sca.core.assembly.impl.DomainRegistryImpl");
+        }
+        return false;
+    }
+    */
+
+    public InterfaceContract getBindingInterfaceContract() {
+        return getDelegatingProvider().getBindingInterfaceContract();
+    }
+
+    public boolean supportsOneWayInvocation() {
+        return getDelegatingProvider().supportsOneWayInvocation();
+    }
+
+    public void start() {
+        getDelegatingProvider().start();
+    }
+
+    public void stop() {
+        endpoint.getBinding().setURI(null);
+        getDelegatingProvider().stop();
+    }
+
+    public void configure() {
+        if (getDelegatingProvider() instanceof EndpointProvider) {
+            ((EndpointProvider)getDelegatingProvider()).configure();
+        }
+    }
+    
+    public boolean supportsNativeAsync() {
+        return true;
+    }
+    
+    public InvokerAsyncResponse createAsyncResponseInvoker() {
+        return ((EndpointAsyncProvider)getDelegatingProvider()).createAsyncResponseInvoker();
+    }
+
+    /**
+     * Handles the optimization for the service side chain, which provides a mechanism for direct local
+     * invocation of the service in cases where the component reference is in the same JVM as the 
+     * component service.  Effectively, this means skipping any Remote Binding listener and its associated
+     * binding chain and data binding processors.
+     * 
+     * This means inserting a SCABindingLocalInvocationInterceptor into the chains for the Endpoint,
+     * which is placed immediately before the Policy processors (and after any Databinding processors)
+     */
+	public void optimiseBinding(RuntimeEndpoint ep) {
+		// To optimise, place an SCA binding Local Invocation interceptor at the start of the POLICY phase
+		// of the service chain...
+		for (InvocationChain chain : ep.getInvocationChains()) {
+			chain.addHeadInterceptor( Phase.SERVICE_POLICY, new LocalSCABindingInvocationInterceptor() );
+		} // end for
+			
+	} // end method optimiseBinding
+	
+    public RuntimeEndpoint getDelegateEndpoint(){
+        return ((DelegatingSCAServiceBindingProvider)delegatingBindingProvider).getDelegateEndpoint();
+    }
+    
+} // end class RuntimeSCAServiceBinding