Create branch for next release

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@966547 13f79535-47bb-0310-9956-ffa450edef68

9 files changed, 725 insertions, 0 deletions

diff --git a/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/IncompatibleIntentException.java b/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/IncompatibleIntentException.java
new file mode 100644
index 0000000000..e3cb6fc359
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+++ b/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/IncompatibleIntentException.java
@@ -0,0 +1,44 @@
+/*
+ * 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;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class IncompatibleIntentException extends Exception {
+    private static final long serialVersionUID = -2993825019200280397L;
+
+    public IncompatibleIntentException() {
+        super();
+    }
+
+    public IncompatibleIntentException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public IncompatibleIntentException(String message) {
+        super(message);
+    }
+
+    public IncompatibleIntentException(Throwable cause) {
+        super(cause);
+    }
+
+}
diff --git a/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionImplementationPolicyProvider.java b/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionImplementationPolicyProvider.java
new file mode 100644
index 0000000000..dc042ed5cc
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionImplementationPolicyProvider.java
@@ -0,0 +1,51 @@
+/*
+ * 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.List;
+
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Phase;
+import org.apache.tuscany.sca.invocation.PhasedInterceptor;
+import org.apache.tuscany.sca.policy.transaction.TransactionPolicy;
+import org.apache.tuscany.sca.provider.BasePolicyProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class TransactionImplementationPolicyProvider extends BasePolicyProvider<TransactionPolicy> {
+    private TransactionManagerHelper helper;
+
+    public TransactionImplementationPolicyProvider(TransactionManagerHelper helper, RuntimeComponent component) {
+        super(TransactionPolicy.class, component);
+        this.helper = helper;
+    }
+
+    public PhasedInterceptor createInterceptor(Operation operation) {
+        List<TransactionPolicy> policies = findPolicies();
+        return policies.isEmpty() ? null : new TransactionInterceptor(helper, false, null, policies.get(0), getPhase());
+    }
+
+    public String getPhase() {
+        return Phase.IMPLEMENTATION_POLICY;
+    }
+
+}
diff --git a/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionIntent.java b/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionIntent.java
new file mode 100644
index 0000000000..196b9cc0a1
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionIntent.java
@@ -0,0 +1,34 @@
+/*
+ * 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;
+
+/**
+ *
+ * @version $Rev$ $Date$
+ */
+public enum TransactionIntent {
+    managedTransactionLocal, 
+    managedTransactionGlobal, 
+    noManagedTransaction, 
+    propagatesTransacton, 
+    suspendsTransaction, 
+    transactedOneWay, 
+    immediateOneWay
+}
diff --git a/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionInterceptor.java b/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionInterceptor.java
new file mode 100644
index 0000000000..f6e0e87ece
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionInterceptor.java
@@ -0,0 +1,151 @@
+/*
+ * 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;
+    }
+
+    /**
+     * @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;
+    }
+
+}
diff --git a/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionManagerHelper.java b/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionManagerHelper.java
new file mode 100644
index 0000000000..6d67e51bd7
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionManagerHelper.java
@@ -0,0 +1,252 @@
+/*
+ * 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.lang.reflect.InvocationTargetException;
+
+import javax.transaction.HeuristicMixedException;
+import javax.transaction.HeuristicRollbackException;
+import javax.transaction.InvalidTransactionException;
+import javax.transaction.NotSupportedException;
+import javax.transaction.RollbackException;
+import javax.transaction.Status;
+import javax.transaction.SystemException;
+import javax.transaction.Transaction;
+import javax.transaction.TransactionManager;
+
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class TransactionManagerHelper {
+    // private static final Logger logger = Logger.getLogger(TransactionManagerHelper.class.getName());
+
+    private TransactionManager tm;
+
+    public TransactionManagerHelper(ExtensionPointRegistry registry) {
+        super();
+        UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class);
+        this.tm = utilities.getUtility(TransactionManager.class);
+    }
+    
+    public TransactionManagerHelper(TransactionManager tm) {
+        super();
+        this.tm = tm;
+    }
+
+    public Transaction managedGlobalTransactionPreInvoke() throws SystemException, NotSupportedException {
+        int status = tm.getStatus();
+        if (status == Status.STATUS_COMMITTED || status == Status.STATUS_NO_TRANSACTION
+            || status == Status.STATUS_ROLLEDBACK) {
+            tm.begin();
+            return tm.getTransaction();
+        }
+        return null;
+    }
+
+    public void managedGlobalTransactionPostInvoke(Transaction created, boolean rollback)
+        throws InvalidTransactionException, IllegalStateException, SystemException, SecurityException,
+        HeuristicMixedException, HeuristicRollbackException, RollbackException {
+        if (created != null) {
+            int status = created.getStatus();
+            if (status == Status.STATUS_MARKED_ROLLBACK) {
+                created.rollback();
+            } else if (status == Status.STATUS_ACTIVE) {
+                if (rollback) {
+                    created.rollback();
+                } else {
+                    created.commit();
+                }
+            }
+        }
+    }
+
+    public Transaction suspendsTransactionPreInvoke() throws SystemException {
+        if (tm.getTransaction() != null) {
+            return tm.suspend();
+        } else {
+            return null;
+        }
+    }
+
+    public void suspendsTransactionPostInvoke(Transaction suspended) throws InvalidTransactionException,
+        IllegalStateException, SystemException {
+        if (suspended != null) {
+            tm.resume(suspended);
+        }
+    }
+
+    public TransactionManager getTransactionManager() {
+        return tm;
+    }
+
+    public void setTransactionManager(TransactionManager tm) {
+        this.tm = tm;
+    }
+
+    public void validateOneway(TransactionIntent onewayIntent, TransactionIntent implIntent)
+        throws IncompatibleIntentException {
+        if (onewayIntent == TransactionIntent.transactedOneWay) {
+            if (implIntent != TransactionIntent.managedTransactionGlobal) {
+                throw new IncompatibleIntentException(onewayIntent + "<-X->" + implIntent);
+            }
+        }
+    }
+
+    public void validateInbound(TransactionIntent serviceIntent, TransactionIntent implIntent)
+        throws IncompatibleIntentException {
+        if (serviceIntent == TransactionIntent.propagatesTransacton) {
+            if (implIntent != TransactionIntent.managedTransactionGlobal) {
+                throw new IncompatibleIntentException(serviceIntent + "<-X->" + implIntent);
+            }
+        }
+    }
+
+    public void validateOutbound(TransactionIntent referenceIntent, TransactionIntent implIntent)
+        throws IncompatibleIntentException {
+        if (referenceIntent == TransactionIntent.propagatesTransacton) {
+            if (implIntent != TransactionIntent.managedTransactionGlobal) {
+                throw new IncompatibleIntentException(referenceIntent + "<-X->" + implIntent);
+            }
+        }
+    }
+
+    public <T> T handlesOutbound(TransactionIntent referenceIntent,
+                                 TransactionIntent implIntent,
+                                 TransactionalAction<T> action) throws Exception {
+
+        if (implIntent == null) {
+            implIntent = TransactionIntent.noManagedTransaction;
+        }
+
+        if (referenceIntent == TransactionIntent.propagatesTransacton) {
+            if (implIntent != TransactionIntent.managedTransactionGlobal) {
+                throw new IncompatibleIntentException(referenceIntent + "<-X->" + implIntent);
+            } else {
+                // propagates the current TX
+                return run(action);
+            }
+        } else if (referenceIntent == TransactionIntent.suspendsTransaction) {
+            Transaction tx = suspendsTransactionPreInvoke();
+            try {
+                return run(action);
+            } finally {
+                suspendsTransactionPostInvoke(tx);
+            }
+        } else {
+            return run(action);
+        }
+    }
+
+    private <T> T run(TransactionalAction<T> action) throws Exception {
+        // Make sure a global TX is in place
+        Transaction tx = managedGlobalTransactionPreInvoke();
+        boolean rollback = false;
+        try {
+            return action.run();
+        } catch (InvocationTargetException e) {
+            throw e;
+        } catch (Throwable e) {
+            rollback = true;
+            if (e instanceof Error) {
+                throw (Error)e;
+            } else if (e instanceof RuntimeException) {
+                throw (RuntimeException)e;
+            } else {
+                throw (Exception)e;
+            }
+        } finally {
+            managedGlobalTransactionPostInvoke(tx, rollback);
+        }
+    }
+
+    public <T> T handlesInbound(TransactionIntent serviceIntent,
+                                TransactionIntent implIntent,
+                                TransactionalAction<T> action) throws Exception {
+        if (serviceIntent == null && implIntent == null) {
+            return run(action);
+        }
+
+        if (implIntent == null) {
+            implIntent = TransactionIntent.noManagedTransaction;
+        }
+
+        if (serviceIntent == TransactionIntent.propagatesTransacton) {
+            if (implIntent != TransactionIntent.managedTransactionGlobal) {
+                throw new IncompatibleIntentException(serviceIntent + "<-X->" + implIntent);
+            } else {
+                return run(action);
+            }
+        } else if (serviceIntent == TransactionIntent.suspendsTransaction) {
+            Transaction tx1 = suspendsTransactionPreInvoke();
+            try {
+                if (implIntent == TransactionIntent.managedTransactionGlobal) {
+                    return run(action);
+                } else {
+                    return action.run();
+                }
+            } finally {
+                suspendsTransactionPostInvoke(tx1);
+            }
+        } else {
+            if (implIntent == TransactionIntent.managedTransactionGlobal) {
+                // Start a new TX
+                return run(action);
+            } else {
+                return action.run();
+            }
+        }
+    }
+
+    public <T> void handlesOneWay(TransactionIntent onewayIntent,
+                                  TransactionIntent implIntent,
+                                  TransactionalAction<T> action) throws Exception {
+        if (implIntent == null) {
+            implIntent = TransactionIntent.noManagedTransaction;
+        }
+
+        if (onewayIntent == null) {
+            // Assume transactedOneWay
+            run(action);
+            return;
+        }
+
+        if (onewayIntent == TransactionIntent.transactedOneWay) {
+            if (implIntent != TransactionIntent.managedTransactionGlobal) {
+                throw new IncompatibleIntentException(onewayIntent + "<-X->" + implIntent);
+            } else {
+                run(action);
+                return;
+            }
+        } else {
+            // TransactionIntent.immediateOneWay
+            Transaction tx = suspendsTransactionPreInvoke();
+            try {
+                run(action);
+                return;
+            } finally {
+                suspendsTransactionPostInvoke(tx);
+            }
+        }
+    }
+
+}
diff --git a/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionPolicyProviderFactory.java b/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionPolicyProviderFactory.java
new file mode 100644
index 0000000000..23c25c9b8a
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionPolicyProviderFactory.java
@@ -0,0 +1,60 @@
+/*
+ * 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 org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.policy.transaction.TransactionPolicy;
+import org.apache.tuscany.sca.provider.PolicyProvider;
+import org.apache.tuscany.sca.provider.PolicyProviderFactory;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class TransactionPolicyProviderFactory implements PolicyProviderFactory<TransactionPolicy> {
+    private TransactionManagerHelper helper;
+
+    public TransactionPolicyProviderFactory(ExtensionPointRegistry registry) {
+        super();
+        UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class);
+        this.helper = utilities.getUtility(TransactionManagerHelper.class); 
+    }
+
+    public PolicyProvider createImplementationPolicyProvider(RuntimeComponent component) {
+        return new TransactionImplementationPolicyProvider(helper, component);
+    }
+
+    public PolicyProvider createReferencePolicyProvider(EndpointReference endpointReference) {
+        return new TransactionReferencePolicyProvider(helper, endpointReference);
+    }
+    
+    public PolicyProvider createServicePolicyProvider(Endpoint endpoint) {
+        return new TransactionServicePolicyProvider(helper, endpoint);
+    }
+
+    public Class<TransactionPolicy> getModelType() {
+        return TransactionPolicy.class;
+    }
+
+}
diff --git a/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionReferencePolicyProvider.java b/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionReferencePolicyProvider.java
new file mode 100644
index 0000000000..1dc0feb0b5
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionReferencePolicyProvider.java
@@ -0,0 +1,51 @@
+/*
+ * 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.List;
+
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Phase;
+import org.apache.tuscany.sca.invocation.PhasedInterceptor;
+import org.apache.tuscany.sca.policy.transaction.TransactionPolicy;
+import org.apache.tuscany.sca.provider.BasePolicyProvider;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class TransactionReferencePolicyProvider extends BasePolicyProvider<TransactionPolicy> {
+    private TransactionManagerHelper helper;
+
+    public TransactionReferencePolicyProvider(TransactionManagerHelper helper, EndpointReference epr) {
+        super(TransactionPolicy.class, epr);
+        this.helper = helper;
+    }
+
+    public PhasedInterceptor createInterceptor(Operation operation) {
+        List<TransactionPolicy> policies = findPolicies();
+        return policies.isEmpty() ? null : new TransactionInterceptor(helper, true, policies.get(0), null, getPhase());
+    }
+
+    public String getPhase() {
+        return Phase.REFERENCE_POLICY;
+    }
+
+}
diff --git a/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionServicePolicyProvider.java b/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionServicePolicyProvider.java
new file mode 100644
index 0000000000..c2a7c1039b
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionServicePolicyProvider.java
@@ -0,0 +1,51 @@
+/*
+ * 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.List;
+
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Phase;
+import org.apache.tuscany.sca.invocation.PhasedInterceptor;
+import org.apache.tuscany.sca.policy.transaction.TransactionPolicy;
+import org.apache.tuscany.sca.provider.BasePolicyProvider;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class TransactionServicePolicyProvider extends BasePolicyProvider<TransactionPolicy> {
+    private TransactionManagerHelper helper;
+
+    public TransactionServicePolicyProvider(TransactionManagerHelper helper, Endpoint ep) {
+        super(TransactionPolicy.class, ep);
+        this.helper = helper;
+    }
+
+    public PhasedInterceptor createInterceptor(Operation operation) {
+        List<TransactionPolicy> policies = findPolicies();
+        return policies.isEmpty() ? null : new TransactionInterceptor(helper, true, policies.get(0), null, getPhase());
+    }
+
+    public String getPhase() {
+        return Phase.SERVICE_POLICY;
+    }
+
+}
diff --git a/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionalAction.java b/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionalAction.java
new file mode 100644
index 0000000000..2785177000
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta1/modules/policy-transaction-runtime/src/main/java/org/apache/tuscany/sca/policy/transaction/runtime/TransactionalAction.java
@@ -0,0 +1,31 @@
+/*
+ * 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;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public interface TransactionalAction<T> {
+    /**
+     * @return
+     * @throws Exception
+     */
+    T run() throws Exception;
+}