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author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2010-10-04 14:45:31 +0000 |
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committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2010-10-04 14:45:31 +0000 |
commit | fdeb31bbf8fe1d887ab47e6204952b8e118ab1ef (patch) | |
tree | e70013b67c533219aa45b2ff0a0d2bf64e24b7e7 /sca-java-2.x/tags/2.0-M5.1-RC1/modules/binding-hazelcast-runtime/src/main/java/org/apache/tuscany/sca/binding/hazelcast/ReferenceInvoker.java | |
parent | 56f0d297c6eba38d5187431ed9319a97ff5d6094 (diff) |
Renaming 2.0-M5.1 releasi cadidate release tag
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1004266 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-2.x/tags/2.0-M5.1-RC1/modules/binding-hazelcast-runtime/src/main/java/org/apache/tuscany/sca/binding/hazelcast/ReferenceInvoker.java')
-rw-r--r-- | sca-java-2.x/tags/2.0-M5.1-RC1/modules/binding-hazelcast-runtime/src/main/java/org/apache/tuscany/sca/binding/hazelcast/ReferenceInvoker.java | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-M5.1-RC1/modules/binding-hazelcast-runtime/src/main/java/org/apache/tuscany/sca/binding/hazelcast/ReferenceInvoker.java b/sca-java-2.x/tags/2.0-M5.1-RC1/modules/binding-hazelcast-runtime/src/main/java/org/apache/tuscany/sca/binding/hazelcast/ReferenceInvoker.java new file mode 100644 index 0000000000..f588f87bdd --- /dev/null +++ b/sca-java-2.x/tags/2.0-M5.1-RC1/modules/binding-hazelcast-runtime/src/main/java/org/apache/tuscany/sca/binding/hazelcast/ReferenceInvoker.java @@ -0,0 +1,127 @@ +/*
+ * 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.binding.hazelcast;
+
+import java.io.IOException;
+import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.FutureTask;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.common.xml.dom.DOMHelper;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.endpoint.hazelcast.HazelcastEndpointRegistry;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.util.FaultException;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+import org.apache.tuscany.sca.runtime.DomainRegistryFactory;
+import org.apache.tuscany.sca.runtime.EndpointRegistry;
+import org.apache.tuscany.sca.runtime.ExtensibleDomainRegistryFactory;
+import org.oasisopen.sca.ServiceRuntimeException;
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
+import org.xml.sax.SAXException;
+
+import com.hazelcast.core.DistributedTask;
+import com.hazelcast.core.Member;
+
+public class ReferenceInvoker implements Invoker {
+
+ HazelcastEndpointRegistry hzRegistry;
+ DOMHelper domHelper;
+ String serviceURI;
+ private Operation operation;
+ MessageFactory messageFactory;
+
+ public ReferenceInvoker(ExtensionPointRegistry extensionsRegistry, String serviceURI, Operation operation) {
+ this.serviceURI = serviceURI;
+ this.operation = operation;
+ DomainRegistryFactory domainRegistryFactory = ExtensibleDomainRegistryFactory.getInstance(extensionsRegistry);
+ for (EndpointRegistry r : domainRegistryFactory.getEndpointRegistries()) {
+ if (r instanceof HazelcastEndpointRegistry) {
+ hzRegistry = (HazelcastEndpointRegistry)r;
+ break;
+ }
+ }
+ this.domHelper = DOMHelper.getInstance(extensionsRegistry);
+ FactoryExtensionPoint modelFactories = extensionsRegistry.getExtensionPoint(FactoryExtensionPoint.class);
+ this.messageFactory = modelFactories.getFactory(MessageFactory.class);
+ }
+
+ public Message invoke(Message msg) {
+ Member owningMember = hzRegistry.getOwningMember(serviceURI);
+ if (owningMember == null) {
+ throw new ServiceRuntimeException("service not found: " + serviceURI);
+ }
+ String requestXML = getRequestXML(msg);
+ Callable<String> callable = new ServiceInvoker(serviceURI, operation.getName(), requestXML);
+ FutureTask<String> task = new DistributedTask<String>(callable, owningMember);
+ ExecutorService executorService = getExecutorService();
+ executorService.execute(task);
+ try {
+ return getResponseNode(task.get());
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e);
+ }
+ }
+
+ /**
+ * Hazelcast ExecutorService can't nest invocations so use a separate ExecutorService
+ * for nested calls. See http://groups.google.com/group/hazelcast/browse_thread/thread/1cc0b943716476e9
+ */
+ private ExecutorService getExecutorService() {
+ String threadName = Thread.currentThread().getName();
+ if (!threadName.startsWith("hz.executor.") || threadName.indexOf("binding.sca.") == -1) {
+ return hzRegistry.getHazelcastInstance().getExecutorService("binding.sca.1");
+ } else {
+ String oldName = threadName.substring(threadName.lastIndexOf("binding.sca."), threadName.lastIndexOf(".thread-"));
+ int x = Integer.parseInt(oldName.substring(oldName.lastIndexOf('.') + 1));
+ return hzRegistry.getHazelcastInstance().getExecutorService(oldName.substring(0, 12) + (x + 1));
+ }
+ }
+
+ private String getRequestXML(Message msg) {
+ Object[] args = msg.getBody();
+ String msgXML = domHelper.saveAsString((Node)args[0]);
+ return msgXML;
+ }
+
+ private Message getResponseNode(String responseXML) throws IOException, SAXException {
+ Message msg = messageFactory.createMessage();
+ if (responseXML.startsWith("DECLAREDEXCEPTION:")) {
+ Document responseDOM = domHelper.load(responseXML.substring(18));
+ FaultException e = new FaultException("remote exception", responseDOM);
+ Node node = ((Node)responseDOM).getFirstChild();
+ e.setFaultName(new QName(node.getNamespaceURI(), node.getLocalName()));
+ msg.setFaultBody(e);
+ } else if (responseXML.startsWith("EXCEPTION:")) {
+ throw new ServiceRuntimeException("Remote exception:" + responseXML.substring(10));
+ } else {
+ Document responseDOM = domHelper.load(responseXML);
+ msg.setBody(responseDOM);
+ }
+ return msg;
+ }
+
+}
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