1 files changed, 135 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-local-runtime/src/main/java/org/apache/tuscany/sca/binding/local/LocalReferenceBindingProvider.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-local-runtime/src/main/java/org/apache/tuscany/sca/binding/local/LocalReferenceBindingProvider.java
new file mode 100644
index 0000000000..0573a68f22
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-local-runtime/src/main/java/org/apache/tuscany/sca/binding/local/LocalReferenceBindingProvider.java
@@ -0,0 +1,135 @@
+/*
+ * 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.local;
+
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.databinding.Mediator;
+import org.apache.tuscany.sca.interfacedef.Compatibility;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.InvocationChain;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.provider.EndpointReferenceProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
+import org.apache.tuscany.sca.runtime.RuntimeEndpointReference;
+import org.oasisopen.sca.ServiceUnavailableException;
+
+/**
+ * The Local binding reference binding provider
+ */
+public class LocalReferenceBindingProvider implements EndpointReferenceProvider {
+
+    private RuntimeEndpointReference endpointReference;
+    private RuntimeComponent component;
+    private RuntimeComponentReference reference;
+    private LocalBinding binding;
+
+    private Mediator mediator;
+    private InterfaceContractMapper interfaceContractMapper;
+
+    public LocalReferenceBindingProvider(ExtensionPointRegistry extensionPoints, RuntimeEndpointReference endpointReference) {
+        this.endpointReference = endpointReference;
+        this.component = (RuntimeComponent)endpointReference.getComponent();
+        this.reference = (RuntimeComponentReference)endpointReference.getReference();
+        this.binding = (LocalBinding)endpointReference.getBinding();
+
+        UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class);
+        this.mediator = utilities.getUtility(Mediator.class);
+        this.interfaceContractMapper = utilities.getUtility(InterfaceContractMapper.class);
+    }
+
+    public InterfaceContract getBindingInterfaceContract() {
+        // Check if there is a target
+        RuntimeEndpoint endpoint = (RuntimeEndpoint)endpointReference.getTargetEndpoint();
+        if (endpoint != null) {
+            return endpoint.getComponentTypeServiceInterfaceContract();
+        } else {
+            return endpointReference.getComponentTypeReferenceInterfaceContract();
+        }
+    }
+
+    public boolean supportsOneWayInvocation() {
+        return false;
+    }
+
+    private Invoker getInvoker(RuntimeEndpointReference epr, Operation operation) {
+        Endpoint target = epr.getTargetEndpoint();
+        if (target != null) {
+            RuntimeComponentService service = (RuntimeComponentService)target.getService();
+            if (service != null) { // not a callback wire
+                InvocationChain chain = ((RuntimeEndpoint)target).getInvocationChain(operation);
+
+                boolean passByValue = false;
+                Operation targetOp = chain.getTargetOperation();
+                if (!operation.getInterface().isRemotable()) {
+                    if (interfaceContractMapper.isCompatibleByReference(operation, targetOp, Compatibility.SUBSET)) {
+                        passByValue = false;
+                    }
+                } else {
+                    boolean allowsPBR = false;
+                    if (allowsPBR && interfaceContractMapper.isCompatibleByReference(operation,
+                                                                                     targetOp,
+                                                                                     Compatibility.SUBSET)) {
+                        passByValue = false;
+                    } else if (interfaceContractMapper.isCompatibleByValue(operation, targetOp, Compatibility.SUBSET)) {
+                        passByValue = true;
+                    }
+                }
+                // it turns out that the chain source and target operations are the same, and are the operation 
+                // from the target, not sure if thats by design or a bug. The SCA binding invoker needs to know 
+                // the source and target class loaders so pass in the real source operation in the constructor 
+                return chain == null ? null : new LocalBindingInvoker(chain, operation, mediator, passByValue, epr);
+            }
+        }
+        return null;
+    }
+
+    public Invoker createInvoker(Operation operation) {
+        Invoker invoker = getInvoker(endpointReference, operation);
+        if (invoker == null) {
+            throw new ServiceUnavailableException(
+                                                  "Unable to create SCA binding invoker for local target " + component
+                                                      .getName()
+                                                      + " reference "
+                                                      + reference.getName()
+                                                      + " (bindingURI="
+                                                      + binding.getURI()
+                                                      + " operation="
+                                                      + operation.getName()
+                                                      + ")");
+        }
+        return invoker;
+    }
+
+    public void start() {
+    }
+
+    public void stop() {
+    }
+
+    public void configure() {
+    }
+}