1 files changed, 69 insertions, 0 deletions
diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/binding/local/LocalCallbackTargetInvoker.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/binding/local/LocalCallbackTargetInvoker.java
new file mode 100644
index 0000000000..c505ee99ab
--- /dev/null
+++ b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/binding/local/LocalCallbackTargetInvoker.java
@@ -0,0 +1,69 @@
+/*
+ * 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.core.binding.local;
+
+import java.util.Map;
+
+import org.apache.tuscany.spi.model.Operation;
+import org.apache.tuscany.spi.wire.InvocationChain;
+import org.apache.tuscany.spi.wire.InvocationRuntimeException;
+import org.apache.tuscany.spi.wire.Message;
+import org.apache.tuscany.spi.wire.MessageImpl;
+import org.apache.tuscany.spi.wire.TargetInvoker;
+import org.apache.tuscany.spi.wire.Wire;
+
+/**
+ * Dispatches a callback invocation to the callback instance
+ *
+ * @version $Rev$ $Date$
+ */
+public class LocalCallbackTargetInvoker extends AbstractLocalTargetInvoker {
+    private Operation operation;
+    private Wire wire;
+
+    public LocalCallbackTargetInvoker(Operation operation, Wire wire) {
+        assert operation != null : "Operation method cannot be null";
+        this.operation = operation;
+        this.wire = wire;
+    }
+
+    public Message invoke(Message msg) throws InvocationRuntimeException {
+        try {
+            return invoke(operation, msg);
+        } catch (Throwable e) {
+            Message faultMsg = new MessageImpl();
+            faultMsg.setBodyWithFault(e);
+            return faultMsg;
+        }
+    }
+
+    private Message invoke(Operation operation, Message msg) throws Throwable {
+        //TODO optimize as this is slow in local invocations
+        Map<Operation<?>, InvocationChain> chains = wire.getCallbackInvocationChains();
+        InvocationChain chain = chains.get(operation);
+        TargetInvoker invoker = chain.getTargetInvoker();
+        return invoke(chain, invoker, msg);
+    }
+
+    @Override
+    public LocalCallbackTargetInvoker clone() throws CloneNotSupportedException {
+        return (LocalCallbackTargetInvoker) super.clone();
+    }
+
+}