diff options
author | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2011-05-19 12:21:55 +0000 |
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committer | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2011-05-19 12:21:55 +0000 |
commit | c737cb99bcd1c364fe5f7f66c3662dee75ea7ae9 (patch) | |
tree | 85aa143c894131b294ce2f22c1ab722ab93bba6f /sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca | |
parent | a5707c170d3ce4aaecd9956cb1935305709b91d1 (diff) |
Add a way to run commands on remote nodes and add Node API and Shell commands to start and stop composites on remote nodes. Initial code so a little prototypy but it does work so committing it now for review
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1124705 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca')
3 files changed, 102 insertions, 1 deletions
diff --git a/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/Node.java b/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/Node.java index 89eeb09c2c..8889e369bf 100644 --- a/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/Node.java +++ b/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/Node.java @@ -243,6 +243,9 @@ public interface Node { List<String> getMembers(); String getLocalMember(); String getRunningMember(String contributionURI, String compositeURI); + + String remoteStart(String member, String contributionURI, String compositeURI); + String remoteStop(String member, String contributionURI, String compositeURI); // TODO: Add methods to get: // start and stop composites on remote members diff --git a/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/NodeImpl.java b/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/NodeImpl.java index 2c15a4464b..7cfe60a543 100644 --- a/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/NodeImpl.java +++ b/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/NodeImpl.java @@ -46,10 +46,12 @@ import org.apache.tuscany.sca.contribution.namespace.NamespaceImport; import org.apache.tuscany.sca.contribution.processor.ContributionReadException; import org.apache.tuscany.sca.core.ExtensionPointRegistry; import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; import org.apache.tuscany.sca.deployment.Deployer; import org.apache.tuscany.sca.monitor.Monitor; import org.apache.tuscany.sca.monitor.ValidationException; import org.apache.tuscany.sca.runtime.ActivationException; +import org.apache.tuscany.sca.runtime.ActiveNodes; import org.apache.tuscany.sca.runtime.CompositeActivator; import org.apache.tuscany.sca.runtime.ContributionListener; import org.apache.tuscany.sca.runtime.DomainRegistry; @@ -82,7 +84,9 @@ public class NodeImpl implements Node { this.domainRegistry = domainRegistry; this.extensionPointRegistry = extensionPointRegistry; this.tuscanyRuntime = tuscanyRuntime; - + + extensionPointRegistry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(ActiveNodes.class).getActiveNodes().add(this); + domainRegistry.addContributionListener(new ContributionListener() { public void contributionUpdated(String uri) { loadedContributions.remove(uri); @@ -384,6 +388,7 @@ public class NodeImpl implements Node { } startedComposites.clear(); stoppedComposites.clear(); + extensionPointRegistry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(ActiveNodes.class).getActiveNodes().remove(this); if (tuscanyRuntime != null) { tuscanyRuntime.stop(); } @@ -404,4 +409,14 @@ public class NodeImpl implements Node { return domainRegistry.getRunningMember(contributionURI, compositeURI); } + @Override + public String remoteStart(String memberName, String contributionURI, String compositeURI) { + return domainRegistry.remoteCommand(memberName, new RemoteCommand(domainName, "start", contributionURI, compositeURI)); + } + + @Override + public String remoteStop(String memberName, String contributionURI, String compositeURI) { + return domainRegistry.remoteCommand(memberName, new RemoteCommand(domainName, "stop", contributionURI, compositeURI)); + } + } diff --git a/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/RemoteCommand.java b/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/RemoteCommand.java new file mode 100644 index 0000000000..5e150dba02 --- /dev/null +++ b/sca-java-2.x/trunk/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/RemoteCommand.java @@ -0,0 +1,83 @@ +/*
+ * 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.impl;
+
+import java.io.Serializable;
+import java.util.concurrent.Callable;
+
+import org.apache.tuscany.sca.Node;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.ExtensionPointRegistryLocator;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.runtime.ActiveNodes;
+
+public class RemoteCommand implements Callable<String>, Serializable {
+ private static final long serialVersionUID = 1L;
+
+ // all fields MUST be Serializable
+ private String domainName;
+ private String command;
+ private String contributionURI;
+ private String compositeURI;
+
+ public RemoteCommand(String domainName, String command, String contributionURI, String compositeURI) {
+ this.domainName = domainName;
+ this.command = command;
+ this.contributionURI = contributionURI;
+ this.compositeURI = compositeURI;
+ }
+
+ public String call() throws Exception {
+ String response;
+ try {
+ Node node = getNode();
+
+ if ("start".equals(command)) {
+ node.startComposite(contributionURI, compositeURI);
+ response = "Started.";
+ } else if ("stop".equals(command)) {
+ node.stopComposite(contributionURI, compositeURI);
+ response = "Stopped.";
+ } else {
+ response = "Unknown command: " + command;
+ }
+ } catch (Exception e) {
+ response = "REMOTE EXCEPTION: " + e.getClass() + ":" + e.getMessage();
+ }
+ return response;
+ }
+
+ private Node getNode() {
+ // TODO Several places in Tuscany need to do this type of thing, for example, processing
+ // async responses, so we need to design a "proper" way to do it
+
+ for (ExtensionPointRegistry xpr : ExtensionPointRegistryLocator.getExtensionPointRegistries()) {
+ ActiveNodes activeNodes = xpr.getExtensionPoint(UtilityExtensionPoint.class).getUtility(ActiveNodes.class);
+ for (Object o : activeNodes.getActiveNodes()) {
+ Node node = (Node)o;
+ if (node.getDomainName().equals(domainName)) {
+ return node;
+ }
+ }
+ }
+ throw new IllegalStateException("No remote Node found for domain: " + domainName);
+ }
+
+}
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