1 files changed, 152 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionInterceptor.java b/sca-java-2.x/tags/2.0.1-RC1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionInterceptor.java
new file mode 100644
index 0000000000..3c0001570c
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionInterceptor.java
@@ -0,0 +1,152 @@
+/*
+ * 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.policy.transaction.runtime;
+
+import java.util.logging.Logger;
+
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.invocation.PhasedInterceptor;
+import org.apache.tuscany.sca.policy.transaction.TransactionPolicy;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class TransactionInterceptor implements PhasedInterceptor {
+    private static final Logger logger = Logger.getLogger(TransactionInterceptor.class.getName());
+    
+    private Invoker next;
+    private TransactionManagerHelper helper;
+    private boolean outbound;
+    private TransactionPolicy interactionPolicy;
+    private TransactionPolicy implementationPolicy;
+    private String phase;
+
+    public TransactionInterceptor(TransactionManagerHelper helper,
+                                  boolean outbound,
+                                  TransactionPolicy interactionPolicy,
+                                  TransactionPolicy implementationPolicy,
+                                  String phase) {
+        super();
+        this.helper = helper;
+        this.outbound = outbound;
+        this.interactionPolicy = interactionPolicy;
+        this.implementationPolicy = implementationPolicy;
+        this.phase = phase;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.invocation.Interceptor#getNext()
+     */
+    public Invoker getNext() {
+        return next;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.invocation.Interceptor#setNext(org.apache.tuscany.sca.invocation.Invoker)
+     */
+    public void setNext(Invoker next) {
+        this.next = next;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.invocation.Invoker#invoke(org.apache.tuscany.sca.invocation.Message)
+     */
+    public Message invoke(Message msg) {
+        //logger.info("Executing TransactionInterceptor.invoke");
+        TransactionalInvocation invocation = new TransactionalInvocation(next, msg);
+
+        Message result = null;
+        if (msg.getOperation().isNonBlocking()) {
+
+        }
+        
+        // initialize default values
+        TransactionIntent interactionIntent = null; //TransactionIntent.propagatesTransacton;
+        TransactionIntent implementationIntent = TransactionIntent.managedTransactionGlobal;
+        
+        if (interactionPolicy != null) {
+            if (interactionPolicy.getAction() == TransactionPolicy.Action.PROPAGATE) {
+                interactionIntent = TransactionIntent.propagatesTransacton;
+            } else if (interactionPolicy.getAction() == TransactionPolicy.Action.REQUIRE_NONE) {
+                interactionIntent = TransactionIntent.suspendsTransaction;
+                if(implementationPolicy == null) {
+                    implementationIntent = TransactionIntent.noManagedTransaction;
+                }
+            } else {
+                interactionIntent = TransactionIntent.suspendsTransaction;
+            }
+        }
+        
+        if (implementationPolicy != null) {
+            switch (implementationPolicy.getAction()) {
+                case REQUIRE_GLOBAL:
+                    implementationIntent = TransactionIntent.managedTransactionGlobal;
+                    break;
+                case REQUIRE_LOCAL:
+                    implementationIntent = TransactionIntent.managedTransactionLocal;
+                    break;
+                default:
+                    implementationIntent = TransactionIntent.noManagedTransaction;
+                    break;
+            }
+        }
+        try {
+            if (outbound) {
+                result = helper.handlesOutbound(interactionIntent, implementationIntent, invocation);
+            } else {
+                result = helper.handlesInbound(interactionIntent, implementationIntent, invocation);
+            }
+            
+        } catch (Throwable e) {
+        	  if (e instanceof Error) {
+                  throw (Error)e;
+              } else if (e instanceof RuntimeException) {
+                  throw (RuntimeException)e;
+              } else {
+                  result = msg;
+                  msg.setFaultBody(e);
+              }
+           
+        }
+        return result;
+    }
+
+    private static class TransactionalInvocation implements TransactionalAction<Message> {
+        private final Invoker invoker;
+        private final Message message;
+
+        public TransactionalInvocation(Invoker invoker, Message message) {
+            super();
+            this.invoker = invoker;
+            this.message = message;
+        }
+
+        public Message run() throws Exception {
+            return invoker.invoke(message);
+        }
+
+    }
+    
+    public String getPhase() {
+        return phase;
+    }
+
+}