- Changing the guardian-model, policy-recoveryrules, policy-resolutiontrees to a new module: implementation-guardian;

- The new module creates a new kind of implementation (implementation.guardian)

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@819561 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 115 insertions, 0 deletions

diff --git a/sandbox/dougsleite/implementation-guardian/src/main/java/org/apache/tuscany/sca/implementation/guardian/provider/GuardianGroupImplementationProvider.java b/sandbox/dougsleite/implementation-guardian/src/main/java/org/apache/tuscany/sca/implementation/guardian/provider/GuardianGroupImplementationProvider.java
new file mode 100644
index 0000000000..2eb3dbdf58
--- /dev/null
+++ b/sandbox/dougsleite/implementation-guardian/src/main/java/org/apache/tuscany/sca/implementation/guardian/provider/GuardianGroupImplementationProvider.java
@@ -0,0 +1,115 @@
+/*
+ * 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.implementation.guardian.provider;
+
+import org.apache.tuscany.sca.implementation.guardian.impl.*;
+import java.util.Iterator;
+import org.apache.axiom.om.OMAttribute;
+import org.apache.axiom.om.OMElement;
+import org.apache.tuscany.sca.implementation.guardian.GuardianGroup;
+import org.apache.tuscany.sca.implementation.guardian.GuardianGroupImplementation;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+import org.apache.tuscany.sca.implementation.guardian.common.Constants;
+
+public class GuardianGroupImplementationProvider implements ImplementationProvider {
+
+    private GuardianGroupImplementation implementation;
+    private GuardianGroupImpl guardian;
+
+    public GuardianGroupImplementationProvider(RuntimeComponent component, GuardianGroupImplementation implementation) {
+        this.implementation = implementation;
+        this.guardian = createGuardian(implementation.getGuardianProperties());
+    }
+
+    private GuardianGroupImpl createGuardian(OMElement guardianProperties) {
+        GuardianGroupImpl guardian = null;
+
+        String recoveryRules = null;
+        String resolutionTrees = null;
+
+        OMAttribute at;
+        Iterator it = guardianProperties.getAllAttributes();
+        while (it.hasNext()) {
+            at = (OMAttribute) it.next();
+
+            if (at.getLocalName().equals(Constants.RECOVERY_RULES)) {
+                recoveryRules = at.getAttributeValue();
+            } else if (at.getLocalName().equals(Constants.RESOLUTION_TREES)) {
+                resolutionTrees = at.getAttributeValue();
+            }
+        }
+
+        if (recoveryRules != null && resolutionTrees != null) {
+            guardian = new GuardianGroupImpl(recoveryRules, resolutionTrees);
+        }
+
+        return guardian;
+    }
+
+    public void start() {
+    }
+
+    public void stop() {
+    }
+
+    public Invoker createInvoker(RuntimeComponentService service, Operation operation) {
+        String operationName = operation.getName();
+        String interfaceFullName = operation.getInterface().toString();
+
+        //GuardianGroup interface
+        if (interfaceFullName.equals(GuardianGroup.class.getName())) {
+
+            //Why is the createInvoker ivoked 'n' static inner class times?
+            //System.out.println("NAME: " + operationName);
+
+            //public void addGuardianMember(GuardianMember guardianMember)
+            if (operationName.equals("addGuardianMember")) {
+                return new GuardianGroupInvoker.AddGuardianMemberInvoker(guardian);
+            } //public boolean removeGuardianMember(GuardianMember guardianMember)
+            else if (operationName.equals("removeGuardianMember")) {
+                return new GuardianGroupInvoker.RemoveGuardianMemberInvoker(guardian);
+            } //public void enableContext(Context context);
+            else if (operationName.equals("enableContext")) {
+                return new GuardianGroupInvoker.EnableContextInvoker(guardian);
+            } //public void removeContext();
+            else if (operationName.equals("removeContext")) {
+                return new GuardianGroupInvoker.RemoveContextInvoker(guardian);
+            } //public void gthrow(GlobalExceptionInterface ex, List<String> participantList);
+            else if (operationName.equals("gthrow")) {
+                return new GuardianGroupInvoker.GthrowInvoker(guardian);
+            } //public boolean propagate(GlobalExceptionInterface ex);
+            else if (operationName.equals("propagate")) {
+                return new GuardianGroupInvoker.PropagateInvoker(guardian);
+            } //public void checkExceptionStatus() throws GlobalException;
+            else if (operationName.equals("checkExceptionStatus")) {
+                return new GuardianGroupInvoker.CheckExceptionStatusInvoker(guardian);
+            }
+        }
+
+        return new GuardianGroupInvoker(null);
+    }
+
+    public boolean supportsOneWayInvocation() {
+        return false;
+    }
+}