/** 恢复作业 */
public synchronized void remove(TimerTask task) {
JobWrapper wraper = (JobWrapper) jobWrapperMap.remove(task);
if (wraper != null) {
wraper.setCurrentStatus(JobStatus.DEAD);
jobWrapperList.remove(wraper);
}
}
/** 取消作业 */
public synchronized void cancel(TimerTask task) {
JobWrapper wraper = this.getWrapper(task);
if (wraper != null) {
wraper.setCurrentStatus(JobStatus.DEAD);
this.jobWrapperMap.remove(task);
this.jobWrapperList.remove(wraper);
}
}
/** 清空对列 */
public synchronized void clear() {
Iterator itor = jobWrapperList.iterator();
while (itor.hasNext()) {
JobWrapper wrapper = (JobWrapper) itor.next();
wrapper.setCurrentStatus(JobStatus.DEAD);
}
jobWrapperMap.clear();
jobWrapperList.clear();
this.newJobMayBeScheduled = false;
}
/** 将对象压入队列的尾部 */
public synchronized void add(JobWrapper wrapper) {
if (!jobWrapperList.contains(wrapper)) {
this.jobWrapperList.add(wrapper);
wrapper.setCurrentStatus(JobStatus.WAITING);
if (wrapper.getJob() instanceof TimerTaskJob) {
this.jobWrapperMap.put(((TimerTaskJob) wrapper.getJob()).getTimerTask(), wrapper);
} else {
this.jobWrapperMap.put(wrapper.getJob(), wrapper);
}
this.newJobMayBeScheduled = true;
this.resort();
}
}
/** 将队列中元素首作业取出,顺便也将与它在下一时间并发的作业也取出 */
public synchronized List poll() {
JobWrapper jobWrapper = null;
this.pollList.clear();
int size = this.size();
if (size > 0) {
JobWrapper headJobWrapper = (JobWrapper) this.jobWrapperList.get(0);
this.pollList.add(headJobWrapper);
if (size > 1) {
Iterator itor = jobWrapperList.iterator();
while (itor.hasNext()) {
jobWrapper = (JobWrapper) itor.next();
if (headJobWrapper != jobWrapper) {
if (headJobWrapper.getNextRunTime() == jobWrapper.getNextRunTime()) {
this.pollList.add(jobWrapper);
} else {
break;
}
}
}
}
}
return this.pollList;
}
/** 恢复作业 */
public synchronized void resume(TimerTask task) {
JobWrapper wraper = this.getWrapper(task);
if (wraper != null) {
wraper.setCurrentStatus(JobStatus.WAITING);
}
}
/** 挂起作业 */
public synchronized void suspend(TimerTask task) {
JobWrapper wraper = this.getWrapper(task);
if (wraper != null) {
wraper.setCurrentStatus(JobStatus.SUSPENDED);
}
}
/** 恢复作业 */
public synchronized void resume(Job job) {
JobWrapper wraper = this.getWrapper(job);
if (wraper != null) {
wraper.setCurrentStatus(JobStatus.WAITING);
}
}
