org.apache.flink.runtime.jobmanager

Interface JobGraphWriter

All Known Subinterfaces:

JobGraphStore

All Known Implementing Classes:

SingleJobJobGraphStore, StandaloneJobGraphStore, ThrowingJobGraphWriter, ZooKeeperJobGraphStore

public interface JobGraphWriter

Allows to store and remove job graphs.

Method Summary

Modifier and Type	Method and Description
void	putJobGraph(JobGraph jobGraph) Adds the JobGraph instance.
void	releaseJobGraph(org.apache.flink.api.common.JobID jobId) Releases the locks on the specified JobGraph.
void	removeJobGraph(org.apache.flink.api.common.JobID jobId) Removes the JobGraph with the given JobID if it exists.

Method Detail

putJobGraph

void putJobGraph(JobGraph jobGraph)
          throws Exception

Adds the JobGraph instance.

If a job graph with the same JobID exists, it is replaced.

Throws:

Exception

removeJobGraph

void removeJobGraph(org.apache.flink.api.common.JobID jobId)
             throws Exception

Removes the JobGraph with the given JobID if it exists.

Throws:

Exception

releaseJobGraph

void releaseJobGraph(org.apache.flink.api.common.JobID jobId)
              throws Exception

Releases the locks on the specified JobGraph. Releasing the locks allows that another instance can delete the job from the JobGraphStore.

Parameters:

jobId - specifying the job to release the locks for

Throws:

Exception - if the locks cannot be released