diff options
Diffstat (limited to 'sandbox/dougsleite/implementation-guardian/src/main/java/org/apache/tuscany/sca/implementation/guardian/provider')
3 files changed, 316 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; + } +} diff --git a/sandbox/dougsleite/implementation-guardian/src/main/java/org/apache/tuscany/sca/implementation/guardian/provider/GuardianGroupImplementationProviderFactory.java b/sandbox/dougsleite/implementation-guardian/src/main/java/org/apache/tuscany/sca/implementation/guardian/provider/GuardianGroupImplementationProviderFactory.java new file mode 100644 index 0000000000..a42c35506d --- /dev/null +++ b/sandbox/dougsleite/implementation-guardian/src/main/java/org/apache/tuscany/sca/implementation/guardian/provider/GuardianGroupImplementationProviderFactory.java @@ -0,0 +1,38 @@ +/* + * 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.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.implementation.guardian.GuardianGroupImplementation; +import org.apache.tuscany.sca.provider.ImplementationProvider; +import org.apache.tuscany.sca.provider.ImplementationProviderFactory; +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +public class GuardianGroupImplementationProviderFactory implements ImplementationProviderFactory<GuardianGroupImplementation> { + public GuardianGroupImplementationProviderFactory(ExtensionPointRegistry extensionPoints) { + } + + public ImplementationProvider createImplementationProvider(RuntimeComponent component, GuardianGroupImplementation implementation) { + return new GuardianGroupImplementationProvider(component, implementation); + } + + public Class<GuardianGroupImplementation> getModelType() { + return GuardianGroupImplementation.class; + } +} diff --git a/sandbox/dougsleite/implementation-guardian/src/main/java/org/apache/tuscany/sca/implementation/guardian/provider/GuardianGroupInvoker.java b/sandbox/dougsleite/implementation-guardian/src/main/java/org/apache/tuscany/sca/implementation/guardian/provider/GuardianGroupInvoker.java new file mode 100644 index 0000000000..8f393ebcb9 --- /dev/null +++ b/sandbox/dougsleite/implementation-guardian/src/main/java/org/apache/tuscany/sca/implementation/guardian/provider/GuardianGroupInvoker.java @@ -0,0 +1,163 @@ +/* + * 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.List; +import org.apache.tuscany.sca.implementation.guardian.GuardianMember; +import org.apache.tuscany.sca.implementation.guardian.common.Context; +import org.apache.tuscany.sca.implementation.guardian.common.GlobalExceptionInterface; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; + +public class GuardianGroupInvoker implements Invoker { + + protected final GuardianGroupImpl guardian; + + public GuardianGroupInvoker(GuardianGroupImpl guardian) { + this.guardian = guardian; + } + + public Message invoke(Message arg0) { + throw new UnsupportedOperationException("Not supported yet. 1"); + } + + //AddGuardianMember operation invoker + public static class AddGuardianMemberInvoker extends GuardianGroupInvoker { + + public AddGuardianMemberInvoker(GuardianGroupImpl guardian) { + super(guardian); + } + + @Override + public Message invoke(Message msg) { + + GuardianMember guardianMember = (GuardianMember) ((Object[]) msg.getBody())[0]; + this.guardian.addGuardianMember(guardianMember); + + return msg; + } + } + + //RemoveGuardianMember operation invoker + public static class RemoveGuardianMemberInvoker extends GuardianGroupInvoker { + + public RemoveGuardianMemberInvoker(GuardianGroupImpl guardian) { + super(guardian); + } + + @Override + public Message invoke(Message msg) { + + GuardianMember guardianMember = (GuardianMember) ((Object[]) msg.getBody())[0]; + boolean returnedValue = this.guardian.removeGuardianMember(guardianMember); + + msg.setBody(returnedValue); + return msg; + } + } + + //EnableContext operation invoker + public static class EnableContextInvoker extends GuardianGroupInvoker { + + public EnableContextInvoker(GuardianGroupImpl guardian) { + super(guardian); + } + + @Override + public Message invoke(Message msg) { + + Context context = (Context) ((Object[]) msg.getBody())[0]; + + this.guardian.enableContext(context); + + return msg; + } + } + + //RemoveContext operation invoker + public static class RemoveContextInvoker extends GuardianGroupInvoker { + + public RemoveContextInvoker(GuardianGroupImpl guardian) { + super(guardian); + } + + @Override + public Message invoke(Message msg) { + + this.guardian.removeContext(); + + return msg; + } + } + + //Gthrow operation invoker + public static class GthrowInvoker extends GuardianGroupInvoker { + + public GthrowInvoker(GuardianGroupImpl guardian) { + super(guardian); + } + + @Override + public Message invoke(Message msg) { + + GlobalExceptionInterface ex = (GlobalExceptionInterface) ((Object[]) msg.getBody())[0]; + List<String> participantList = (List<String>) ((Object[]) msg.getBody())[1]; + + this.guardian.gthrow(ex, participantList); + + return msg; + } + } + + //Propagate operation invoker + public static class PropagateInvoker extends GuardianGroupInvoker { + + public PropagateInvoker(GuardianGroupImpl guardian) { + super(guardian); + } + + @Override + public Message invoke(Message msg) { + + GlobalExceptionInterface ex = (GlobalExceptionInterface) ((Object[]) msg.getBody())[0]; + + boolean needPropagation = this.guardian.propagate(ex); + msg.setBody(needPropagation); + + return msg; + } + } + + //CheckExceptionStatus operation invoker + public static class CheckExceptionStatusInvoker extends GuardianGroupInvoker { + + public CheckExceptionStatusInvoker(GuardianGroupImpl guardian) { + super(guardian); + } + + @Override + public Message invoke(Message msg) { + + this.guardian.checkExceptionStatus(); + + return msg; + } + } +} |