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Job.java
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Job.java
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/*
* Copyright 2011 Tyler Blair. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and contributors and should not be interpreted as representing official policies,
* either expressed or implied, of anybody else.
*/
package com.griefcraft.model;
import com.griefcraft.jobs.IJobHandler;
import com.griefcraft.lwc.LWC;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
public class Job {
/**
* The parser that is shared between jobs
*/
private static final JSONParser parser = new JSONParser();
/**
* The job id
*/
private int id;
/**
* Unique name for the job
*/
private String name;
/**
* The job type - essentially, the function it will perform
*/
private int type;
/**
* JSON data
*/
private JSONObject data = new JSONObject();
/**
* The epoch time to next run the job
*/
private long nextRun;
/**
* True if the Job exists in the database
*/
private boolean exists = false;
/**
* Decode the Job data (which uses JSON) into a usable Map
*
* @param json
* @return
*/
public static JSONObject decodeJSON(String json) {
try {
Object parsed = parser.parse(json);
if (parsed instanceof JSONObject) {
return (JSONObject) parsed;
} else {
return null;
}
} catch (ParseException e) {
return null;
}
}
/**
* @return the Job handler assigned to this job
*/
public IJobHandler getJobHandler() {
return LWC.getInstance().getJobManager().getJobHandler(type);
}
/**
* @return the job's id
*/
public int getId() {
return id;
}
/**
* @return the job's name
*/
public String getName() {
return name;
}
/**
* @return the job type - essentially, the function it will perform
*/
public int getType() {
return type;
}
/**
* @return the JSON object data (a Map)
*/
public JSONObject getData() {
return data;
}
/**
* @return true if the job should automatically run when it is polled
*/
public boolean shouldRun() {
return nextRun != 0 && (nextRun == 1 || getTimeRemaining() <= 0);
}
/**
* @return get the epoch time the job will next run at
*/
public long getNextRun() {
return nextRun;
}
/**
* @return the time in milliseconds until the job should be ran
*/
public long getTimeRemaining() {
return nextRun <= 0 ? 1 : nextRun - System.currentTimeMillis();
}
/**
* @param id
*/
public void setId(int id) {
this.id = id;
this.exists = true;
}
/**
* @param name
*/
public void setName(String name) {
this.name = name;
}
/**
* @param type
*/
public void setType(int type) {
this.type = type;
}
/**
* @param data
*/
public void setData(JSONObject data) {
this.data = data;
}
/**
* @param nextRun
*/
public void setNextRun(long nextRun) {
this.nextRun = nextRun;
}
/**
* Immediately save the job to the database
*/
public void save() {
LWC.getInstance().getPhysicalDatabase().saveJob(this);
LWC.getInstance().getJobManager().addJob(this);
}
/**
* Remove the job from the database
*/
public void remove() {
LWC.getInstance().getPhysicalDatabase().removeJob(this);
LWC.getInstance().getJobManager().removeJob(this);
}
/**
* @return true if the protection exists in the database
*/
public boolean doesExist() {
return exists;
}
}