gvsig-tools / org.gvsig.tools / library / trunk / org.gvsig.tools / org.gvsig.tools.lib / src / main / java / org / gvsig / tools / task / impl / BaseTaskStatus.java @ 1666
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.tools.task.impl; |
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import java.util.ArrayList; |
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import java.util.Date; |
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import java.util.List; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.observer.ObservableHelper; |
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import org.gvsig.tools.observer.Observer; |
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import org.gvsig.tools.task.SimpleTaskStatus; |
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import org.gvsig.tools.task.TaskStatusManager; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/**
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* @author gvSIG Team
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* @version $Id$
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*
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*/
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public class BaseTaskStatus implements SimpleTaskStatus { |
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private static final Logger LOG = LoggerFactory |
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.getLogger(BaseTaskStatus.class); |
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protected class SubtaskValues { |
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long minValue = 0; |
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long maxValue = 0; |
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long curValue = 0; |
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String message = null; |
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public Object clone() { |
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SubtaskValues other = new SubtaskValues();
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other.curValue = this.curValue;
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other.maxValue = this.maxValue;
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other.minValue = this.minValue;
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other.message = this.message;
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return other;
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} |
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} |
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protected Date lastModification = null; |
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protected SubtaskValues values;
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protected List subtaskStack = null ; |
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protected String title = null; |
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protected String code = null; |
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protected boolean isCancelled = false; |
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protected boolean isAbortedByError = false; |
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protected boolean isRunning = true; |
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protected TaskStatusManager manager = null; |
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protected boolean isCancellable; |
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protected boolean isCancellationRequested; |
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protected ObservableHelper observers = null; |
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protected boolean autoremove; |
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private long startMillis; |
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public BaseTaskStatus(String title) { |
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this.manager = ToolsLocator.getTaskStatusManager();
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this.autoremove = true; |
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this.title = title;
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this.values = new SubtaskValues(); |
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this.isCancelled = false; |
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this.isAbortedByError = false; |
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this.isRunning = true; |
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this.isCancellable = false; |
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this.isCancellationRequested = false; |
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this.code = this.manager.getNewCode(); |
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this.observers = new ObservableHelper(); |
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this.touch();
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} |
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public BaseTaskStatus(String tittle, long minValue, long maxValue) { |
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this(tittle);
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this.values.minValue = minValue;
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this.values.maxValue = maxValue;
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} |
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@Override
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public void restart() { |
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this.autoremove = true; |
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this.values = new SubtaskValues(); |
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this.isCancelled = false; |
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this.isAbortedByError = false; |
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this.isRunning = true; |
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this.isCancellable = false; |
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this.isCancellationRequested = false; |
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this.touch();
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} |
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@Override
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public void setRangeOfValues(long min, long max) { |
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this.values.minValue = min;
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this.values.maxValue = max;
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} |
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protected void touch() { |
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touch(true);
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} |
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protected void touch(boolean clearmsg) { |
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Date now = new Date(); |
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if( clearmsg ) {
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if( this.lastModification!=null && (now.getTime() - this.lastModification.getTime()) > 4000 ) { |
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this.values.message = null; |
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} |
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} |
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this.lastModification = now;
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this.notifyObservers();
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} |
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protected void notifyObservers() { |
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this.manager.update(this); |
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this.observers.notifyObservers(this, null); |
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} |
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public Date getLastModification() { |
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return this.lastModification; |
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} |
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public void message(String message) { |
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this.values.message = message;
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this.touch(false); |
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} |
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public String getTitle() { |
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return this.title; |
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} |
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public String getCode() { |
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return this.code; |
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} |
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public void setCurValue(long value) { |
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//LOG.debug("setCurValue: '"+value+"'.");
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this.values.curValue = value;
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this.touch();
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} |
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public int getCompleted() { |
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if( !this.isRunning ) { |
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return 100; |
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} |
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if( this.values.maxValue == this.values.minValue ) { |
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// No se puede calcular ya que no se ha indicado el numero de elementos
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// sobre los que se esta trabajando, asi que devoobemos el 100%.
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return 100; |
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} |
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try {
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return (int) (((this.values.curValue-this.values.minValue)*100)/(this.values.maxValue-this.values.minValue)); |
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} catch( Exception e) { |
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return 100; |
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} |
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} |
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public String getLabel() { |
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String progress;
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if( this.values.maxValue == this.values.minValue ) { |
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// No se puede calcular ya que no se ha indicado el numero de elementos
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// sobre los que se esta trabajando.
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if( this.values.curValue > 0 ) { |
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progress = " (" + this.values.curValue + ")"; |
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} else {
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progress = "";
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} |
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} else {
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progress = " (" + (this.values.curValue-this.values.minValue) + " / " + (this.values.maxValue-this.values.minValue) + ")" ; |
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} |
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if( this.values.message == null ) { |
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return progress;
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} else {
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return this.values.message + progress; |
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} |
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} |
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public void terminate() { |
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if( !isRunning ) {
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return;
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} |
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this.isRunning = false; |
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if (LOG.isDebugEnabled()) {
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long endMillis = System.currentTimeMillis(); |
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LOG.debug("Terminated status {} execution in {} ms", getTitle(),
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new Long(endMillis - startMillis)); |
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} |
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this.touch();
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} |
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public void cancel() { |
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if( !isRunning ) {
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return;
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} |
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this.isCancelled = true; |
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this.isRunning = false; |
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this.touch();
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} |
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public void abort() { |
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if( !isRunning ) {
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return;
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} |
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this.isAbortedByError = true; |
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this.isRunning = false; |
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this.touch();
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} |
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public boolean isCancelled() { |
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return this.isCancelled; |
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} |
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public boolean isAborted() { |
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return this.isAbortedByError; |
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} |
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public boolean isRunning() { |
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return this.isRunning; |
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} |
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public TaskStatusManager getManager() {
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return this.manager; |
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} |
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public boolean isIndeterminate() { |
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return this.values.minValue == this.values.maxValue; |
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} |
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public void add() { |
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this.manager.add(this); |
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if (LOG.isDebugEnabled()) {
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startMillis = System.currentTimeMillis();
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} |
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} |
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public void remove() { |
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this.manager.remove(this); |
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} |
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public boolean isCancellable() { |
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return this.isCancellable; |
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} |
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public void setCancellable(boolean cancellable) { |
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this.isCancellable = cancellable;
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} |
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synchronized public boolean isCancellationRequested() { |
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return this.isCancellationRequested; |
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} |
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synchronized public void cancelRequest() { |
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this.isCancellationRequested = true; |
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} |
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synchronized public void addObserver(Observer o) { |
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this.observers.addObserver(o);
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} |
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synchronized public void deleteObserver(Observer o) { |
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this.observers.deleteObserver(o);
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} |
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synchronized public void deleteObservers() { |
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this.observers.deleteObservers();
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} |
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public void setTittle(String tittle) { |
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setTitle(tittle); |
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} |
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public void setTitle(String title) { |
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if (this.title != null) { |
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return;
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} |
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this.title = title;
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} |
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public void setAutoremove(boolean autoremove) { |
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this.autoremove = autoremove;
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} |
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public boolean getAutoRemove() { |
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return this.autoremove; |
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} |
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public void push() { |
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if( this.subtaskStack == null ) { |
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this.subtaskStack = new ArrayList(); |
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} |
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this.subtaskStack.add(0, this.values); |
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this.values = (SubtaskValues) this.values.clone(); |
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} |
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public void pop() { |
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if( this.subtaskStack == null && this.subtaskStack.isEmpty() ) { |
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return;
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} |
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this.values = (SubtaskValues) this.subtaskStack.get(0); |
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this.subtaskStack.remove(0); |
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touch(); |
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} |
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public void setIndeterminate() { |
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this.values.maxValue = 0; |
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this.values.minValue = 0; |
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this.values.curValue = 0; |
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} |
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} |