@Override
public final void execute(final JobExecutionContext context) throws JobExecutionException {
log.debug("Elastic job: job execute begin, job execution context:{}.", context);
shardingService.shardingIfNecessary();
JobExecutionMultipleShardingContext shardingContext =
executionContextService.getJobExecutionShardingContext();
if (executionService.misfireIfNecessary(shardingContext.getShardingItems())) {
log.info(
"Previous job is still running, new job will start after previous job completed. Misfired job had recorded.");
return;
}
executionService.cleanPreviousExecutionInfo();
executeJobInternal(shardingContext);
log.debug("Elastic job: execute normal completed, sharding context:{}.", shardingContext);
while (!executionService.getMisfiredJobItems(shardingContext.getShardingItems()).isEmpty()
&& !stoped
&& !shardingService.isNeedSharding()) {
log.debug("Elastic job: execute misfired job, sharding context:{}.", shardingContext);
executionService.clearMisfire(shardingContext.getShardingItems());
executeJobInternal(shardingContext);
log.debug("Elastic job: misfired job completed, sharding context:{}.", shardingContext);
}
if (configService.isFailover() && !stoped) {
failoverService.failoverIfNecessary();
}
log.debug("Elastic job: execute all completed, job execution context:{}.", context);
}
@Test
public void assertFailoverIfUnnecessaryWhenItemsRootNodeNotExisted() {
when(jobNodeStorage.isJobNodeExisted("leader/failover/items")).thenReturn(false);
failoverService.failoverIfNecessary();
verify(jobNodeStorage).isJobNodeExisted("leader/failover/items");
verify(jobNodeStorage, times(0))
.executeInLeader(
eq("leader/failover/latch"), Matchers.<FailoverLeaderExecutionCallback>any());
}
@Test
public void assertFailoverIfUnnecessaryWhenItemsRootNodeIsEmpty() {
when(jobNodeStorage.isJobNodeExisted("leader/failover/items")).thenReturn(true);
when(jobNodeStorage.getJobNodeChildrenKeys("leader/failover/items"))
.thenReturn(Collections.<String>emptyList());
failoverService.failoverIfNecessary();
verify(jobNodeStorage).isJobNodeExisted("leader/failover/items");
verify(jobNodeStorage).getJobNodeChildrenKeys("leader/failover/items");
verify(jobNodeStorage, times(0))
.executeInLeader(
eq("leader/failover/latch"), Matchers.<FailoverLeaderExecutionCallback>any());
}
@Test
public void assertFailoverIfNecessary() {
when(jobNodeStorage.isJobNodeExisted("leader/failover/items")).thenReturn(true);
when(jobNodeStorage.getJobNodeChildrenKeys("leader/failover/items"))
.thenReturn(Arrays.asList("0", "1", "2"));
when(serverService.isLocalhostServerReady()).thenReturn(true);
failoverService.failoverIfNecessary();
verify(jobNodeStorage).isJobNodeExisted("leader/failover/items");
verify(jobNodeStorage).getJobNodeChildrenKeys("leader/failover/items");
verify(serverService).isLocalhostServerReady();
verify(jobNodeStorage)
.executeInLeader(
eq("leader/failover/latch"), Matchers.<FailoverLeaderExecutionCallback>any());
}