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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2012-2013 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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* language governing permissions and limitations under the License.
*
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* file and include the License file at packager/legal/LICENSE.txt.
*
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*
* Modifications:
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*/
package org.glassfish.api.admin.progress;
import java.util.ArrayList;
import java.util.List;
import org.glassfish.api.admin.ProgressStatus;
/** This implementation is used for modeling of command execution with
* supplemental commands. It only mirrors all sizes (total steps and current
* steps from its children.
*
*
* @author mmares
*/
//TODO: Move to kernel if possible. It is now in API only because ProgressStatusImpl is here, too
public class ProgressStatusMirroringImpl extends ProgressStatusBase {
//private Collection mirroreds = new ArrayList();
public ProgressStatusMirroringImpl(String name, ProgressStatusBase parent, String id) {
super(name, -1, parent, id);
}
@Override
protected ProgressStatusBase doCreateChild(String name, int totalStepCount) {
String childId = (id == null ? "" : id) + "." + (children.size() + 1);
return new ProgressStatusImpl(name, totalStepCount, this, childId);
}
@Override
public void setTotalStepCount(int totalStepCount) {
throw new UnsupportedOperationException();
}
@Override
public void progress(int steps, String message) {
throw new UnsupportedOperationException();
}
@Override
public void setCurrentStepCount(int stepCount) {
throw new UnsupportedOperationException();
}
/** Ignores allocated steps. It's mirroring implementation.
*/
@Override
public synchronized ProgressStatus createChild(String name,
int allocatedSteps, int totalStepCount) {
ProgressStatusBase result = doCreateChild(name, totalStepCount);
children.add(new ChildProgressStatus(allocatedSteps, result));
fireEvent(new ProgressStatusEventCreateChild(id, name, result.getId(), 0, totalStepCount));
return result;
}
@Override
protected synchronized void fireEvent(ProgressStatusEvent event) {
recount();
super.fireEvent(event);
}
private void recount() {
int newTotalStepCount = 0;
boolean unknown = false;
int newCurrentStepCount = 0;
for (ChildProgressStatus child : children) {
ProgressStatusBase mirr = child.getProgressStatus();
if (!unknown) {
int tsc = mirr.getTotalStepCount();
if (tsc < 0) {
unknown = true;
newTotalStepCount = -1;
} else {
newTotalStepCount += tsc;
}
}
newCurrentStepCount += mirr.getCurrentStepCount();
}
//Event
ProgressStatusEventSet event = new ProgressStatusEventSet(id);
if (newCurrentStepCount != currentStepCount) {
currentStepCount = newCurrentStepCount;
event.setCurrentStepCount(currentStepCount);
}
if (newTotalStepCount != totalStepCount) {
totalStepCount = newTotalStepCount;
event.setTotalStepCount(totalStepCount);
}
if (event.getCurrentStepCount() != null || event.getTotalStepCount() != null) {
super.fireEvent(event);
}
}
@Override
protected synchronized float computeCompleteSteps() {
return currentStepCount;
}
@Override
public synchronized float computeCompletePortion() {
if (isComplete()) {
return 1;
}
if (totalStepCount == 0) {
if (currentStepCount == 0) {
return 0;
} else {
return 1;
}
}
return ((float) currentStepCount) / ((float) totalStepCount);
}
}