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Diffstat (limited to 'sandbox/event/modules/node-manager/src/main/java/org/apache/tuscany/sca/implementation/node/manager/NodeProcessCollectionImpl.java')
-rw-r--r--sandbox/event/modules/node-manager/src/main/java/org/apache/tuscany/sca/implementation/node/manager/NodeProcessCollectionImpl.java338
1 files changed, 0 insertions, 338 deletions
diff --git a/sandbox/event/modules/node-manager/src/main/java/org/apache/tuscany/sca/implementation/node/manager/NodeProcessCollectionImpl.java b/sandbox/event/modules/node-manager/src/main/java/org/apache/tuscany/sca/implementation/node/manager/NodeProcessCollectionImpl.java
deleted file mode 100644
index 019c2562ec..0000000000
--- a/sandbox/event/modules/node-manager/src/main/java/org/apache/tuscany/sca/implementation/node/manager/NodeProcessCollectionImpl.java
+++ /dev/null
@@ -1,338 +0,0 @@
-/*
- * 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.node.manager;
-
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Properties;
-import java.util.logging.Logger;
-
-import org.apache.tuscany.sca.data.collection.Entry;
-import org.apache.tuscany.sca.data.collection.Item;
-import org.apache.tuscany.sca.data.collection.ItemCollection;
-import org.apache.tuscany.sca.data.collection.LocalItemCollection;
-import org.apache.tuscany.sca.data.collection.NotFoundException;
-import org.apache.tuscany.sca.node.launcher.NodeLauncher;
-import org.osoa.sca.ServiceRuntimeException;
-import org.osoa.sca.annotations.Init;
-import org.osoa.sca.annotations.Scope;
-import org.osoa.sca.annotations.Service;
-
-/**
- * Implementation of a node process collection service.
- *
- * @version $Rev$ $Date$
- */
-@Scope("COMPOSITE")
-@Service(interfaces={ItemCollection.class, LocalItemCollection.class})
-public class NodeProcessCollectionImpl implements ItemCollection, LocalItemCollection {
-
- private static final Logger logger = Logger.getLogger(NodeProcessCollectionImpl.class.getName());
-
- private List<SCANodeVM> nodeVMs = new ArrayList<SCANodeVM>();
-
- /**
- * Initialize the component.
- */
- @Init
- public void initialize() {
- }
-
- public Entry<String, Item>[] getAll() {
- logger.fine("getAll");
-
- // Return all the running VMs
- List<Entry<String, Item>> entries = new ArrayList<Entry<String, Item>>();
- for (SCANodeVM vm: nodeVMs) {
- entries.add(entry(vm));
- }
- return entries.toArray(new Entry[entries.size()]);
- }
-
- public Item get(String key) throws NotFoundException {
- logger.fine("get " + key);
-
- // Return the specified VM
- SCANodeVM vm = vm(key);
- if (vm == null) {
- throw new NotFoundException();
- }
-
- return item(vm);
- }
-
- public String post(String key, Item item) {
- logger.fine("post " + key);
-
- // If the VM is already running just return it
- SCANodeVM vm = vm(key);
- if (vm != null) {
- if (vm.isAlive()) {
- return key;
- } else {
- // Remove dead VM entry
- try {
- vm.stop();
- } catch (InterruptedException e) {
- throw new ServiceRuntimeException(e);
- }
- nodeVMs.remove(vm);
- }
- }
-
- // Start a new VM and add it to the collection
- vm = new SCANodeVM(key);
- nodeVMs.add(0, vm);
- try {
- vm.start();
- } catch (IOException e) {
- throw new ServiceRuntimeException(e);
- }
-
- return key;
- }
-
- public void put(String key, Item item) throws NotFoundException {
- throw new UnsupportedOperationException();
- }
-
- public void delete(String key) throws NotFoundException {
- logger.fine("delete " + key);
-
- // Stop a VM and remove it from the collection
- SCANodeVM vm = vm(key);
- if (vm != null) {
- try {
- vm.stop();
- } catch (InterruptedException e) {
- throw new ServiceRuntimeException(e);
- }
- nodeVMs.remove(vm);
- } else {
- //throw new NotFoundException();
- }
- }
-
- public Entry<String, Item>[] query(String queryString) {
- logger.fine("query " + queryString);
-
- if (queryString.startsWith("node=")) {
-
- // Return the log for the specified VM
- String key = queryString.substring(queryString.indexOf('=') + 1);
- List<Entry<String, Item>> entries = new ArrayList<Entry<String, Item>>();
- for (SCANodeVM vm: nodeVMs) {
- if (vm.getNodeName().equals(key)) {
- entries.add(entry(vm));
- }
- }
- return entries.toArray(new Entry[entries.size()]);
-
- } else {
- throw new UnsupportedOperationException();
- }
- }
-
- /**
- * Returns the specified VM.
- *
- * @param key
- * @return
- */
- private SCANodeVM vm(String key) {
- for (SCANodeVM vm: nodeVMs) {
- if (key.equals(vm.getNodeName())) {
- return vm;
- }
- }
- return null;
- }
-
- /**
- * Returns an entry representing a VM.
- *
- * @param vm
- * @return
- */
- private static Entry<String, Item> entry(SCANodeVM vm) {
- Entry<String, Item> entry = new Entry<String, Item>();
- entry.setKey(vm.getNodeName());
- entry.setData(item(vm));
- return entry;
- }
-
- /**
- * Returns an item representing a VM.
- *
- * @param vm
- * @return
- */
- private static Item item(SCANodeVM vm) {
- Item item = new Item();
- String key = vm.getNodeName();
- item.setTitle(title(key));
- item.setLink("/node-config/" + vm.getNodeName());
- item.setContents("<span id=\"log\" style=\"white-space: nowrap; font-size: small\">" + vm.getLog().toString() + "</span>");
- return item;
- }
-
- /**
- * Represent a child Java VM running an SCA node.
- */
- private static class SCANodeVM {
- private String nodeName;
- private StringBuffer log;
- private Process process;
- private Thread monitor;
- private int status;
-
- SCANodeVM(String nodeName) {
- log = new StringBuffer();
- this.nodeName =nodeName;
- }
-
- /**
- * Starts a node in a new VM.
- */
- private void start() throws IOException {
-
- // Determine the node configuration URI
- String nodeConfigurationURI = NodeManagerUtil.nodeConfigurationURI(nodeName);
-
- // Build the Java VM command line
- Properties props = System.getProperties();
- String java = props.getProperty("java.home") + "/bin/java";
- String cp = props.getProperty("java.class.path");
- String main = NodeLauncher.class.getName();
- final List<String> command = new ArrayList<String>();
- command.add(java);
- command.add("-cp");
- command.add(cp);
-
- // Propagate TUSCANY properties
- String tuscanyHome = props.getProperty("TUSCANY_HOME");
- if (tuscanyHome != null) {
- command.add("-DTUSCANY_HOME=" + tuscanyHome);
- }
- String tuscanyPath = props.getProperty("TUSCANY_PATH");
- if (tuscanyPath != null) {
- command.add("-DTUSCANY_PATH=" + tuscanyPath);
- }
-
- // Specify the main class and parameters
- command.add(main);
- command.add(nodeConfigurationURI);
-
- logger.info("Starting " + "java " + main + " " + nodeConfigurationURI);
-
- // Start the VM
- ProcessBuilder builder = new ProcessBuilder(command);
- builder.redirectErrorStream(true);
- process = builder.start();
-
- logger.info("Started " + process);
-
- // Start a thread to monitor the process
- final BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
- monitor = new Thread(new Runnable() {
- public void run() {
- try {
- for (;;) {
- String s = reader.readLine();
- if (s != null) {
- logger.info(s);
- log.append(s + "<br>");
- } else {
- break;
- }
- }
- status = process.waitFor();
- } catch (IOException e) {
- } catch (Exception e) {
- throw new RuntimeException(e);
- }
- }
- });
- monitor.start();
- }
-
- /**
- * Returns the composite used to start this VM.
- * @return
- */
- String getNodeName() {
- return nodeName;
- }
-
- /**
- * Returns the log for this VM.
- *
- * @return
- */
- StringBuffer getLog() {
- return log;
- }
-
- /**
- * Returns true if the VM is alive
- *
- * @return
- */
- private boolean isAlive() {
- return monitor.isAlive();
- }
-
- /**
- * Returns the VM status code.
- * @return
- */
- int getStatus() {
- return status;
- }
-
- /**
- * Stops the VM.
- *
- * @throws InterruptedException
- */
- private void stop() throws InterruptedException {
- logger.info("Stopping " + process);
-
- process.destroy();
- monitor.join();
-
- logger.info("Stopped " + process);
- }
- }
-
- /**
- * Returns a node title.
- *
- * @param key
- * @return
- */
- private static String title(String key) {
- return key;
- }
-
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-23 05:47:34 +0000