/*
* Copyright 2010 JBoss Inc
*
* Licensed 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 org.drools.time.impl;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.text.ParseException;
import java.util.Date;
import org.drools.WorkingMemory;
import org.drools.common.InternalWorkingMemory;
import org.drools.runtime.Calendars;
import org.drools.spi.Activation;
import org.drools.time.Trigger;
public class CronTimer
implements
Timer,
Externalizable {
private Date startTime;
private Date endTime;
private int repeatLimit;
private CronExpression cronExpression;
public CronTimer() {
}
public CronTimer(Date startTime,
Date endTime,
int repeatLimit,
CronExpression cronExpression) {
this.startTime = startTime;
this.endTime = endTime;
this.repeatLimit = repeatLimit;
this.cronExpression = cronExpression;
}
public void writeExternal(ObjectOutput out) throws IOException {
out.writeObject( startTime );
out.writeObject( endTime );
out.writeInt( repeatLimit );
out.writeObject( cronExpression.getCronExpression() );
}
public void readExternal(ObjectInput in) throws IOException,
ClassNotFoundException {
this.startTime = (Date) in.readObject();
this.endTime = (Date) in.readObject();
this.repeatLimit = in.readInt();
String string = (String) in.readObject();
try {
this.cronExpression = new CronExpression( string );
} catch ( ParseException e ) {
throw new RuntimeException( "Unable to marshal CronExpression '" + string + "'",
e );
}
}
public Date getStartTime() {
return startTime;
}
public Date getEndTime() {
return endTime;
}
public CronExpression getCronExpression() {
return cronExpression;
}
public Trigger createTrigger( Activation item, WorkingMemory wm ) {
long timestamp = ((InternalWorkingMemory) wm).getTimerService().getCurrentTime();
String[] calendarNames = item.getRule().getCalendars();
Calendars calendars = ((InternalWorkingMemory) wm).getCalendars();
return createTrigger( timestamp, calendarNames, calendars );
}
public Trigger createTrigger(long timestamp,
String[] calendarNames,
Calendars calendars) {
return new CronTrigger( timestamp,
this.startTime,
this.endTime,
this.repeatLimit,
this.cronExpression,
calendarNames,
calendars );
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((cronExpression.getCronExpression() == null) ? 0 : cronExpression.getCronExpression().hashCode());
result = prime * result + repeatLimit;
result = prime * result + ((endTime == null) ? 0 : endTime.hashCode());
result = prime * result + ((startTime == null) ? 0 : startTime.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if ( this == obj ) return true;
if ( obj == null ) return false;
if ( getClass() != obj.getClass() ) return false;
CronTimer other = (CronTimer) obj;
if ( repeatLimit != other.repeatLimit ) return false;
if ( cronExpression.getCronExpression() == null ) {
if ( other.cronExpression.getCronExpression() != null ) return false;
} else if ( !cronExpression.getCronExpression().equals( other.cronExpression.getCronExpression() ) ) return false;
if ( endTime == null ) {
if ( other.endTime != null ) return false;
} else if ( !endTime.equals( other.endTime ) ) return false;
if ( startTime == null ) {
if ( other.startTime != null ) return false;
} else if ( !startTime.equals( other.startTime ) ) return false;
return true;
}
}