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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package workpool;
import java.beans.*;
import java.util.Vector;
import java.util.logging.*;
public class WorkpoolBean {
private Vector<WorkpoolBeanListener> listeners = new Vector<WorkpoolBeanListener>();
double loadAverage = 0;
int nodeNumbers = 0;
int workers = 0;
int estimedQueueSize = 0;
double averageServiceTime = 0;
double averageArrivalTime = 0;
double usageFactor = 0;
private final PropertyChangeSupport changes = new PropertyChangeSupport(
this);
long jobComputed = 0;
boolean singleAction = false;
private Logger log = Logger.getLogger(WorkpoolBean.class.getName());
public void setNodeNumbers(int n) {
this.nodeNumbers = n;
}
public void setWorkers(int w) {
this.workers = w;
}
public void setLoadAverage(double loadAverage) {
this.loadAverage = loadAverage;
}
public void setAverageServiceTime(double service) {
this.averageServiceTime = service;
}
public void setAverageArrivalTime(double service) {
this.averageArrivalTime = service;
}
public double getAverageArrivalTime() {
return this.averageArrivalTime;
}
public double getUtilizationFactor() {
return usageFactor;
}
public void setUsageFactor() {
usageFactor = averageServiceTime / averageArrivalTime;
}
public void setEstimedQueueSize(int size) {
estimedQueueSize = size;
}
public int getEstimedQueueSize() {
return estimedQueueSize;
}
public double getLoadAverage() {
return this.loadAverage;
}
public int getWorkers() {
return this.workers;
}
public int getNodeNumbers() {
return this.nodeNumbers;
}
public double getAverageServiceTime() {
return this.averageServiceTime;
}
public void addPropertyChangeListener(final PropertyChangeListener l) {
this.changes.addPropertyChangeListener(l);
}
public void removePropertyChangeListener(final PropertyChangeListener l) {
this.changes.removePropertyChangeListener(l);
}
private synchronized void fireWorkpoolEvent(WorkpoolEvent ev) {
for (WorkpoolBeanListener l : listeners) {
l.handleEvent(new WorkpoolEvent(ev));
}
}
public void addWorkersToNode(int k, String nodeName) {
log.info("Adding a worker to node " + nodeName);
WorkpoolEvent ev = new WorkpoolEvent(this,
WorkpoolEvent.EVENT_MULTIPLE_ADD_WORKER, k, nodeName);
fireWorkpoolEvent(ev);
}
public void addWorkerToNode(String nodeName) {
log.info("Adding a worker to node " + nodeName);
WorkpoolEvent ev = new WorkpoolEvent(this,
WorkpoolEvent.SINGLE_ADD_WORKER, 1, nodeName);
fireWorkpoolEvent(ev);
}
public void removeWorkersToNode(int k, String nodeName) {
log.info("Removing a worker to node " + nodeName);
WorkpoolEvent ev = new WorkpoolEvent(this,
WorkpoolEvent.EVENT_MULTIPLE_REMOVE_WORKER, k, nodeName);
fireWorkpoolEvent(ev);
}
public void removeWorkerToNode(String nodeName) {
log.info("Removing a worker to node " + nodeName);
WorkpoolEvent ev = new WorkpoolEvent(this,
WorkpoolEvent.SINGLE_REMOVE_WORKER, 1, nodeName);
fireWorkpoolEvent(ev);
}
public synchronized void addListener(WorkpoolBeanListener l) {
this.listeners.add(l);
}
public synchronized void removeListener(WorkpoolBeanListener l) {
this.listeners.remove(l);
}
public void setJobComputed(long jobComputed) {
this.jobComputed = jobComputed;
}
public void setSingleAction() {
singleAction = true;
}
public boolean getSingleAction() {
return singleAction;
}
public long getJobComputed() {
return this.jobComputed;
}
}
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