1 files changed, 160 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/node-manager/src/main/java/org/apache/tuscany/sca/node/manager/impl/DomainAssetManagerResourceImpl.java b/sca-java-2.x/tags/2.0.1-RC1/modules/node-manager/src/main/java/org/apache/tuscany/sca/node/manager/impl/DomainAssetManagerResourceImpl.java
new file mode 100644
index 0000000000..3935c75021
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/node-manager/src/main/java/org/apache/tuscany/sca/node/manager/impl/DomainAssetManagerResourceImpl.java
@@ -0,0 +1,160 @@
+/*
+ * 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.node.manager.impl;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.TimeUnit;
+
+import javax.ws.rs.DefaultValue;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.WebApplicationException;
+
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.interfacedef.Interface;
+import org.apache.tuscany.sca.node.Node;
+import org.apache.tuscany.sca.node.extensibility.NodeActivator;
+import org.apache.tuscany.sca.node.extensibility.NodeExtension;
+import org.apache.tuscany.sca.node.manager.DomainAssetManagerResource;
+import org.apache.tuscany.sca.node.manager.Manageable;
+import org.apache.tuscany.sca.node.manager.Status;
+import org.oasisopen.sca.annotation.Init;
+import org.oasisopen.sca.annotation.Property;
+import org.oasisopen.sca.annotation.Scope;
+
+@Scope("COMPOSITE")
+public class DomainAssetManagerResourceImpl implements NodeActivator, DomainAssetManagerResource {    
+    private static Map<String, NodeExtension> nodeMap = new ConcurrentHashMap<String,NodeExtension>();
+    
+    @Property
+    private int warningThreshold;
+    
+    @Property
+    private int criticalThreshold;
+    
+    @Property
+    private int unavailableThreshold;
+    
+    public void nodeStarted(Node node) {
+        NodeExtension nodeExtension = (NodeExtension) node;
+        nodeMap.put(nodeExtension.getDomainURI(), nodeExtension);     
+    }
+
+    public void nodeStopped(Node node) {
+        NodeExtension nodeExtension = (NodeExtension) node;
+        nodeMap.remove(nodeExtension.getDomainURI());
+    }
+    
+    @Init
+    public void init() {
+        System.out.println("Initializing Domain Asset Manager");
+        System.out.println("  - Warning threshold : " + warningThreshold + " ms" );
+        System.out.println("  - Critical threshold : " + criticalThreshold + " ms");
+        System.out.println("  - Unavailable threshold : " + unavailableThreshold + " ms");
+        
+    }
+
+    @Override
+    public List<Status> getServiceStatus(@PathParam("domainURI") @DefaultValue("default") String domainURI) {
+        if( ! nodeMap.containsKey(domainURI)) {
+            throw new WebApplicationException(404);
+        }
+
+        NodeExtension node = nodeMap.get(domainURI);
+        Composite domainComposite = node.getDomainComposite();
+
+        List<Status> statuses = new ArrayList<Status>();
+        for(Component component : domainComposite.getComponents()) {
+            for(Service service : component.getServices()) {
+                Interface interfaceContract = service.getInterfaceContract().getInterface();
+                if(Manageable.class.getName().equals(interfaceContract.toString())) {
+
+                    Status status = new Status();
+                    status.setName(component.getName());
+                    status.setUri(service.getBindings().get(0).getURI());
+                    
+                    try {
+                        String serviceName = component.getName() + "/" + service.getName();
+                        Manageable serviceInstance = node.getService(Manageable.class, serviceName);
+                        Timer t = new Timer();
+                        serviceInstance.isAlive();
+                        status.setExecution(t.elapsed(TimeUnit.MILLISECONDS));
+
+                        if(status.getExecution() < warningThreshold) {
+                            status.setStatus(Status.OK);
+                        }else if(status.getExecution() > warningThreshold) {
+                            status.setStatus(Status.WARNING);
+                        }else if(status.getExecution() > criticalThreshold) {
+                            status.setStatus(Status.CRITICAL);
+                        } else {
+                            status.setStatus(Status.UNAVAILABLE);
+                        }
+                    } catch (Exception e) {
+                        status.setStatus(Status.UNAVAILABLE);
+                        status.setStatusMessage(e.getMessage());
+                    }
+                    
+                    statuses.add(status);
+                }
+            }
+        }
+        
+        return statuses;
+    }
+    
+    class Timer {
+        Date time;
+        long t;
+
+        public Timer() {
+            reset();
+        }
+
+        public void reset() {
+            time = new Date();
+            t = System.nanoTime();
+        }
+
+        public Date time() {
+            return time; 
+        }
+        
+        public long elapsed(TimeUnit timeUnit) {
+            long elapsedTime = elapsed();
+            return timeUnit.convert(elapsedTime, TimeUnit.NANOSECONDS);
+        }
+
+        public void print(String s, TimeUnit timeUnit) {
+            long elapsedTime = elapsed();
+
+            System.out.println(s + ": " + timeUnit.convert(elapsedTime, TimeUnit.NANOSECONDS)  + "ms");
+        }
+        
+        private long elapsed() {
+            return System.nanoTime() - t;
+        }
+    }
+    
+}