org.apache.tez.dag.api.client
Interface DAGClient

All Superinterfaces:

Closeable

All Known Implementing Classes:

DAGClientRPCImpl

public interface DAGClient
extends Closeable

Method Summary

org.apache.hadoop.yarn.api.records.ApplicationId	getApplicationId() Get the YARN ApplicationId for the app running the DAG
org.apache.hadoop.yarn.api.records.ApplicationReport	getApplicationReport()
DAGStatus	getDAGStatus(Set<StatusGetOpts> statusOptions) Get the status of the specified DAG
VertexStatus	getVertexStatus(String vertexName, Set<StatusGetOpts> statusOptions) Get the status of a Vertex of a DAG
void	tryKillDAG() Kill a running DAG

Methods inherited from interface java.io.Closeable

close

Method Detail

getApplicationId

org.apache.hadoop.yarn.api.records.ApplicationId getApplicationId()

Get the YARN ApplicationId for the app running the DAG

Returns:

ApplicationId

getApplicationReport

@InterfaceAudience.Private
org.apache.hadoop.yarn.api.records.ApplicationReport getApplicationReport()

getDAGStatus

DAGStatus getDAGStatus(Set<StatusGetOpts> statusOptions)
                       throws IOException,
                              TezException

Get the status of the specified DAG

Parameters:

statusOptions - Optionally, retrieve additional information based on specified options

Throws:

IOException

TezException

getVertexStatus

VertexStatus getVertexStatus(String vertexName,
                             Set<StatusGetOpts> statusOptions)
                             throws IOException,
                                    TezException

Get the status of a Vertex of a DAG

Parameters:

statusOptions - Optionally, retrieve additional information based on specified options

Throws:

IOException

TezException

tryKillDAG

void tryKillDAG()
                throws IOException,
                       TezException

Kill a running DAG

Throws:

IOException

TezException