| /* |
| * 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.uima.collection.impl.cpm.engine; |
| |
| import java.util.ArrayList; |
| |
| import org.apache.uima.UIMAFramework; |
| import org.apache.uima.collection.StatusCallbackListener; |
| import org.apache.uima.collection.base_cpm.BaseStatusCallbackListener; |
| import org.apache.uima.collection.impl.EntityProcessStatusImpl; |
| import org.apache.uima.collection.impl.cpm.utils.CPMUtils; |
| import org.apache.uima.util.Level; |
| import org.apache.uima.util.ProcessTrace; |
| |
| /** |
| * This component catches uncaught errors in the CPM. All critical threads in the CPM are part of |
| * this ThreadGroup. If OutOfMemory Error is thrown this component is notified by the JVM and its |
| * job is to notify registered listeners. |
| * |
| */ |
| public class CPMThreadGroup extends ThreadGroup { |
| private ArrayList callbackListeners = null; |
| |
| private ProcessTrace procTr = null; |
| |
| /** |
| * @param name |
| */ |
| public CPMThreadGroup(String name) { |
| super(name); |
| } |
| |
| /** |
| * @param parent - |
| * parent thread group |
| * @param name - |
| * name of this thread group |
| */ |
| public CPMThreadGroup(ThreadGroup parent, String name) { |
| super(parent, name); |
| } |
| |
| /** |
| * Sets listeners to be used in notifications |
| * |
| * @param aListenerList - |
| * list of registered listners |
| */ |
| public void setListeners(ArrayList aListenerList) { |
| callbackListeners = aListenerList; |
| } |
| |
| public void setProcessTrace(ProcessTrace aProcessTrace) { |
| procTr = aProcessTrace; |
| } |
| |
| public void uncaughtException(Thread t, Throwable e) { |
| System.out.println("ThreadGroup.uncaughtException()-Got Error"); |
| if (UIMAFramework.getLogger().isLoggable(Level.SEVERE)) { |
| UIMAFramework.getLogger(this.getClass()).logrb(Level.SEVERE, this.getClass().getName(), |
| "process", CPMUtils.CPM_LOG_RESOURCE_BUNDLE, "UIMA_CPM_unhandled_error__SEVERE", |
| new Object[] { Thread.currentThread().getName(), e.getClass().getName() }); |
| |
| } |
| try { |
| // Notify listeners |
| for (int i = 0; callbackListeners != null && i < callbackListeners.size(); i++) { |
| // System.out.println("ThreadGroup.uncaughtException()-Got Error - Notifying Listener"); |
| notifyListener((BaseStatusCallbackListener) callbackListeners.get(i), e); |
| } |
| |
| } catch (Throwable tr) { |
| if (UIMAFramework.getLogger().isLoggable(Level.FINER)) { |
| UIMAFramework.getLogger(this.getClass()).logrb(Level.FINER, this.getClass().getName(), |
| "process", CPMUtils.CPM_LOG_RESOURCE_BUNDLE, "UIMA_CPM_exception__FINER", |
| new Object[] { Thread.currentThread().getName(), tr.getClass().getName() }); |
| tr.printStackTrace(); |
| } |
| } |
| // System.out.println("ThreadGroup.uncaughtException()-Done Handling Error"); |
| } |
| |
| private void notifyListener(BaseStatusCallbackListener aStatCL, Throwable e) { |
| EntityProcessStatusImpl enProcSt = new EntityProcessStatusImpl(procTr); |
| enProcSt.addEventStatus("Process", "Failed", e); |
| ((StatusCallbackListener) aStatCL).entityProcessComplete(null, enProcSt); |
| } |
| |
| public void cleanup() { |
| callbackListeners = null; |
| procTr = null; |
| } |
| } |