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JEF is a Java API library meant to facilitate the lives of developers and integrators who have to build any kind of maintenance tasks on a server.
/* Copyright 2010-2014 Norconex 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 com.norconex.jef4.status;
import java.util.Date;
import org.apache.commons.lang3.ObjectUtils;
import com.norconex.commons.lang.map.Properties;
public class MutableJobStatus implements IJobStatus {
/** Activity timeout. */
private static final long ACTIVITY_TIMEOUT = 10 * 1000;
private final String jobId;
private double progress;
private String note;
private int resumeAttempts;
private JobDuration duration = new JobDuration();
private Properties properties = new Properties();
private Date lastActivity;
private boolean stopRequested;
public MutableJobStatus(String jobId) {
this.jobId = jobId;
}
@Override
public String getJobId() {
return jobId;
}
/**
* Gets the job execution state.
* @return execution state
*/
@Override
public JobState getState() {
// The order is important to establish status
if (isAborted()) { return JobState.ABORTED; }
if (isStopped()) { return JobState.STOPPED; }
if (isStopping()) { return JobState.STOPPING; }
if (isCompleted()) { return JobState.COMPLETED; }
if (isPrematurlyEnded()) { return JobState.PREMATURE_TERMINATION; }
if (isRunning()) { return JobState.RUNNING; }
return JobState.UNKNOWN;
}
@Override
public boolean isStopped() {
return stopRequested && !isRunning();
}
@Override
public boolean isStopping() {
return stopRequested && isRunning();
}
public boolean isStopRequested() {
return stopRequested;
}
public void setStopRequested(boolean stopRequested) {
this.stopRequested = stopRequested;
}
/**
* Whether this status resumed from a previously
* failed or stopped job.
* @return true
if the current job was resumed
* @since 1.1.1
*/
@Override
public boolean isResumed() {
return resumeAttempts > 0;
}
/**
* Checks whether the job was started or not. This is not an indication
* that a job is currently running.
* @return true
if job was started
*/
@Override
public boolean isStarted() {
return duration.getStartTime() != null;
}
/**
* Checks whether the job has before its time. This is not an indication
* that a job was completed or that there were no errors.
* @return true
if job finished
*/
@Override
public boolean isPrematurlyEnded() {
return duration.getEndTime() != null && !isCompleted();
}
/**
* Checks whether the job execution has completed.
* @return true
if the job execution is complete
*/
@Override
public boolean isCompleted() {
return progress >= 1d;
}
/**
* Checks whether the job was aborted or not (i.e. killed). That is, if
* the job started and is no longer running, while it never
* marked as finished. Remember that under normal conditions, a job
* should always finish, whether it failed or not. An aborted progress
* is usually the results of a job suite which got "killed" in the middle
* of its execution (not having the chance to return properly).
* @return true
if job was started
* @since 1.1
*/
@Override
public boolean isAborted() {
return isStarted() && !isRunning()
&& duration.getEndTime() == null
&& !isCompleted();
}
/**
* Checks whether the job execution represented by this progress is still
* running.
* @return true
if still running
*/
@Override
public boolean isRunning() {
Date date = lastActivity;
if (date == null) {
return false;
}
return (System.currentTimeMillis() - date.getTime())
< ACTIVITY_TIMEOUT;
}
/**
* Checks whether the current progress status matches any of the supplied
* statuses.
* @param states one or more states to match
* @return true
if progress status matches supplied statuses
* @since 2.0
*/
@Override
public boolean isState(JobState... states) {
JobState thisState = getState();
for (JobState state : states) {
if (thisState == state) {
return true;
}
}
return false;
}
@Override
public double getProgress() {
return progress;
}
@Override
public String getNote() {
return note;
}
@Override
public JobDuration getDuration() {
return duration;
}
@Override
public Properties getProperties() {
return properties;
}
public void setProgress(double progress) {
this.progress = progress;
}
public void setNote(String note) {
this.note = note;
}
public void setDuration(JobDuration duration) {
this.duration = duration;
}
/**
* Gets the last activity.
* @return last activity
*/
public Date getLastActivity() {
return ObjectUtils.clone(lastActivity);
}
/**
* Sets the last activity.
* @param lastActivity last activity
*/
public void setLastActivity(final Date lastActivity) {
this.lastActivity = ObjectUtils.clone(lastActivity);
}
@Override
public int getResumeAttempts() {
return resumeAttempts;
}
public void setResumeAttempts(int resumeAttempts) {
this.resumeAttempts = resumeAttempts;
}
public void incrementResumeAttempts() {
resumeAttempts++;
}
}