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/**
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* Copyright (C) 2009 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.api.application;
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import java.util.concurrent.CancellationException;
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import org.apache.log4j.Logger;
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import org.springframework.beans.BeansException;
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import org.springframework.beans.factory.annotation.QualifierAnnotationAutowireCandidateResolver;
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import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
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import org.springframework.context.support.GenericApplicationContext;
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import org.springframework.core.LocalVariableTableParameterNameDiscoverer;
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import eu.etaxonomy.cdm.common.monitor.IProgressMonitor;
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import eu.etaxonomy.cdm.common.monitor.SubProgressMonitor;
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/**
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* {@link GenericApplicationContext Generic application context} which allows progress monitoring.
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*
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* @author a.mueller
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* @date 29.09.2011
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*
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*/
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public class MonitoredGenericApplicationContext extends GenericApplicationContext{
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@SuppressWarnings("unused")
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private static final Logger logger = Logger.getLogger(CdmApplicationController.class);
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final int countInvokeBeanFactoryPostProcessors = 10;
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final int countFinishBeanFactoryInitialization = 90;
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private final int countTasks = countInvokeBeanFactoryPostProcessors + countFinishBeanFactoryInitialization;
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private IProgressMonitor currentMonitor;
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/**
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* Constructor.
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* @param progressMonitor
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*/
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public MonitoredGenericApplicationContext() {
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// MonitoredListableBeanFactory beanFactory =
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super(new MonitoredListableBeanFactory());
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//taken from empty constructor of GenericApplicationContext
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((MonitoredListableBeanFactory)getBeanFactory()).setSerializationId(getId());
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((MonitoredListableBeanFactory)getBeanFactory()).setParameterNameDiscoverer(new LocalVariableTableParameterNameDiscoverer());
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((MonitoredListableBeanFactory)getBeanFactory()).setAutowireCandidateResolver(new QualifierAnnotationAutowireCandidateResolver());
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}
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public int countTasks(){
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return countTasks;
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}
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@Override
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protected void invokeBeanFactoryPostProcessors(ConfigurableListableBeanFactory beanFactory){
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String task = "Invoke bean factory post processors";
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checkMonitorCancelled(currentMonitor);
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currentMonitor.subTask(task);
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super.invokeBeanFactoryPostProcessors(beanFactory);
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currentMonitor.worked(countInvokeBeanFactoryPostProcessors);
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checkMonitorCancelled(currentMonitor);
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}
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@Override
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protected void finishBeanFactoryInitialization(ConfigurableListableBeanFactory beanFactory){
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checkMonitorCancelled(currentMonitor);
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String task = "Finish bean factory initialization";
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currentMonitor.subTask(task);
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IProgressMonitor subMonitor = new SubProgressMonitor(currentMonitor, countFinishBeanFactoryInitialization);
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getMyBeanFactory().setCurrentMonitor(subMonitor);
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super.finishBeanFactoryInitialization(beanFactory);
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checkMonitorCancelled(currentMonitor);
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}
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/**
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* @param progressMonitor the progressMonitor to set
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*/
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public void setCurrentMonitor(IProgressMonitor monitor) {
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this.currentMonitor = monitor;
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}
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/**
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*
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*/
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public IProgressMonitor getCurrentMonitor() {
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return currentMonitor;
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}
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public void refresh(IProgressMonitor monitor) throws BeansException, IllegalStateException {
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checkMonitorCancelled(monitor);
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String message = "Refresh application context. This might take a while ...";
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currentMonitor = monitor;
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beginTask(message, countTasks);
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super.refresh();
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taskDone();
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checkMonitorCancelled(monitor);
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}
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/**
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*
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*/
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private void taskDone() {
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if (currentMonitor != null){
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currentMonitor.done();
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}
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}
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/**
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* @param monitor
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* @param message
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*/
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private void beginTask(String message, int countTasks) {
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if (currentMonitor != null){
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currentMonitor.beginTask(message, countTasks);
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}
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}
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private MonitoredListableBeanFactory getMyBeanFactory(){
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return (MonitoredListableBeanFactory)getBeanFactory();
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}
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private void checkMonitorCancelled(IProgressMonitor monitor) {
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if (monitor != null && monitor.isCanceled()){
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throw new CancellationException();
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}
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}
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}
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