takeseem opened a new issue #1902:
URL: https://github.com/apache/shardingsphere-elasticjob/issues/1902
## Feature Request
**For English only**, other languages will not accept.
I have a case:
1. I will start a Timer from a job
2. when re-sharding, i need found all the shardingItems in this JVM, if the
item is not in this jvm, I will to stop the timer.
```
public final class ShardingContexts implements Serializable {
public ShardingContext createShardingContext(final int shardingItem) {
return new ShardingContext(jobName, taskId, shardingTotalCount,
jobParameter, shardingItem, shardingItemParameters.get(shardingItem), this);
}
}
```
I will stop Timer not sharding in this jvm with
ShardingContext.getShardingContexts().shardingItemParameters(), like this
```
@Override
public synchronized void execute(ShardingContext shardingContext) {
tasks.refresh();
ShardingContexts contexts = shardingContext.getShardingContexts();
Set<Integer> items = contexts.getShardingItemParameters().keySet();
for (TimerTask task : tasks.values()) {
int myitem = task.getId() %
shardingContext.getShardingTotalCount();
if (myitem == shardingContext.getShardingItem()) {
setTimer(task);
} else if (!items.contains(myitem)) {
cancelTimer(task);
}
}
}
```
### Is your feature request related to a problem?
### Describe the feature you would like.
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