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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.branch.management.exchange.export;
import java.io.File;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import java.util.concurrent.Callable;
import org.eclipse.osee.framework.branch.management.IExchangeTaskListener;
import org.eclipse.osee.framework.branch.management.exchange.handler.ExportItem;
/**
* @author Roberto E. Escobar
*/
public abstract class AbstractExportItem implements Callable<Boolean> {
private final ExportItem id;
private final String fileName;
private final Set<IExchangeTaskListener> exportListeners;
private File writeLocation;
private boolean cancel;
public AbstractExportItem(ExportItem id) {
this.id = id;
this.fileName = id.getFileName();
this.cancel = false;
this.exportListeners = Collections.synchronizedSet(new HashSet<IExchangeTaskListener>());
}
public String getSource() {
return id.getSource();
}
public String getFileName() {
return fileName;
}
public String getName() {
return id.toString();
}
public int getPriority() {
return id.getPriority();
}
public int getBufferSize() {
return (int) Math.pow(2, 20);
}
public void setWriteLocation(File writeLocation) {
this.writeLocation = writeLocation;
}
public File getWriteLocation() {
return writeLocation;
}
public void addExportListener(IExchangeTaskListener exportListener) {
if (exportListener != null) {
this.exportListeners.add(exportListener);
}
}
public void removeExportListener(IExchangeTaskListener exportListener) {
if (exportListener != null) {
this.exportListeners.remove(exportListener);
}
}
public void cleanUp() {
this.setWriteLocation(null);
this.exportListeners.clear();
}
@Override
public final Boolean call() throws Exception {
boolean wasSuccessful = false;
long startTime = System.currentTimeMillis();
try {
if (!isCancel()) {
executeWork();
}
wasSuccessful = true;
} catch (Exception ex) {
notifyOnExportException(ex);
throw ex;
} finally {
notifyOnExportItemCompleted(System.currentTimeMillis() - startTime);
}
return wasSuccessful;
}
protected void notifyOnExportException(Throwable ex) {
for (IExchangeTaskListener listener : this.exportListeners) {
listener.onException(getName(), ex);
}
}
protected void notifyOnExportItemCompleted(long timeToProcess) {
for (IExchangeTaskListener listener : this.exportListeners) {
listener.onExportItemCompleted(getName(), timeToProcess);
}
}
protected abstract void executeWork() throws Exception;
public void setCancel(boolean cancel) {
this.cancel = cancel;
}
public boolean isCancel() {
return this.cancel;
}
}
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