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/*
* 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;
}
}
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