ALMA Computing Group

HelloDemoImpl.java

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00001 /* 00002 * ALMA - Atacama Large Millimiter Array (c) European Southern Observatory, 00003 * 2002 Copyright by ESO (in the framework of the ALMA collaboration), All 00004 * rights reserved 00005 * 00006 * This library is free software; you can redistribute it and/or modify it 00007 * under the terms of the GNU Lesser General Public License as published by the 00008 * Free Software Foundation; either version 2.1 of the License, or (at your 00009 * option) any later version. 00010 * 00011 * This library is distributed in the hope that it will be useful, but WITHOUT 00012 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00013 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License 00014 * for more details. 00015 * 00016 * You should have received a copy of the GNU Lesser General Public License 00017 * along with this library; if not, write to the Free Software Foundation, 00018 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00019 */ 00020 package alma.demo.HelloDemoImpl; 00021 import java.util.logging.Logger; 00022 00023 import org.omg.CORBA.DoubleHolder; 00024 import org.omg.CORBA.IntHolder; 00025 00026 import alma.ACS.ComponentStates; 00027 import alma.acs.component.ComponentLifecycle; 00028 import alma.acs.container.ContainerServices; 00029 import alma.demo.HelloDemoOperations; 00030 00040 public class HelloDemoImpl implements ComponentLifecycle, HelloDemoOperations 00041 { 00042 private ContainerServices m_containerServices; 00043 private Logger m_logger; 00044 00046 // Implementation of ComponentLifecycle 00048 00049 public void initialize(ContainerServices containerServices) { 00050 m_containerServices = containerServices; 00051 m_logger = m_containerServices.getLogger(); 00052 m_logger.info("initialize() called..."); 00053 } 00054 00055 public void execute() { 00056 m_logger.info("execute() called..."); 00057 } 00058 00059 public void cleanUp() { 00060 m_logger.info("cleanUp() called..., nothing to clean up."); 00061 } 00062 00063 public void aboutToAbort() { 00064 cleanUp(); 00065 m_logger.info("managed to abort..."); 00066 System.out.println("HelloDemo component managed to abort... you should know this even if the logger did not flush correctly!"); 00067 } 00068 00070 // Implementation of ACSComponent 00072 00073 public ComponentStates componentState() { 00074 return m_containerServices.getComponentStateManager().getCurrentState(); 00075 } 00076 public String name() { 00077 return m_containerServices.getName(); 00078 } 00079 00081 // Implementation of HelloDemoOperations 00083 00084 public String sayHello() { 00085 m_logger.info("sayHello called..."); 00086 return "hello"; 00087 } 00088 00089 public String sayHelloWithParameters(String inString, 00090 DoubleHolder inoutDouble, IntHolder outInt) { 00091 m_logger.info("sayHello called with arguments inString=" + inString 00092 + "; inoutDouble=" + inoutDouble.value 00093 + ". Will return 'hello'..."); 00094 outInt.value = (int) Math.round(Math.E * 10000000); 00095 return "hello"; 00096 } 00097 }