org.apache.tez.dag.api.client

Class DAGClientTimelineImpl

java.lang.Object

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

org.apache.tez.dag.api.client.DAGClientTimelineImpl

All Implemented Interfaces:

Closeable, AutoCloseable

@InterfaceAudience.Private
public class DAGClientTimelineImpl
extends DAGClient

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	DAGClientTimelineImpl.VertexTaskStats

Field Summary

Fields

Modifier and Type	Field and Description
protected String	baseUri

Constructor Summary

Constructors

Constructor and Description
DAGClientTimelineImpl(org.apache.hadoop.yarn.api.records.ApplicationId appId, String dagId, TezConfiguration conf, FrameworkClient frameworkClient)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
protected org.apache.hadoop.yarn.api.records.ApplicationReport	getApplicationReportInternal()
DAGStatus	getDAGStatus(Set<StatusGetOpts> statusOptions) Get the status of the specified DAG
String	getExecutionContext() Gets DAG execution context for use with logging
protected com.sun.jersey.api.client.Client	getHttpClient()
protected org.codehaus.jettison.json.JSONObject	getJsonRootEntity(String url)
VertexStatus	getVertexStatus(String vertexName, Set<StatusGetOpts> statusOptions) Get the status of a Vertex of a DAG
protected Map<String,DAGClientTimelineImpl.VertexTaskStats>	parseTaskStatsForVertexes()
void	tryKillDAG() Kill a running DAG
DAGStatus	waitForCompletion() Wait for DAG to complete without printing any vertex statuses
DAGStatus	waitForCompletionWithStatusUpdates(Set<StatusGetOpts> statusGetOpts) Wait for DAG to complete and periodically print *all* vertices' status.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

baseUri

protected String baseUri

Constructor Detail

DAGClientTimelineImpl

public DAGClientTimelineImpl(org.apache.hadoop.yarn.api.records.ApplicationId appId,
                     String dagId,
                     TezConfiguration conf,
                     FrameworkClient frameworkClient)
                      throws TezException

Throws:

TezException

Method Detail

getExecutionContext

public String getExecutionContext()

Description copied from class: DAGClient

Gets DAG execution context for use with logging

Specified by:

getExecutionContext in class DAGClient

Returns:

summary of DAG execution

getApplicationReportInternal

protected org.apache.hadoop.yarn.api.records.ApplicationReport getApplicationReportInternal()

Specified by:

getApplicationReportInternal in class DAGClient

getDAGStatus

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

Description copied from class: DAGClient

Get the status of the specified DAG

Specified by:

getDAGStatus in class DAGClient

Parameters:

statusOptions - Optionally, retrieve additional information based on specified options. To retrieve basic information, this can be null

Throws:

IOException

TezException

getVertexStatus

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

Description copied from class: DAGClient

Get the status of a Vertex of a DAG

Specified by:

getVertexStatus in class DAGClient

statusOptions - Optionally, retrieve additional information based on specified options

Throws:

IOException

TezException

tryKillDAG

public void tryKillDAG()
                throws IOException,
                       TezException

Description copied from class: DAGClient

Kill a running DAG

Specified by:

tryKillDAG in class DAGClient

Throws:

IOException

TezException

waitForCompletion

public DAGStatus waitForCompletion()
                            throws IOException,
                                   TezException,
                                   InterruptedException

Description copied from class: DAGClient

Wait for DAG to complete without printing any vertex statuses

Specified by:

waitForCompletion in class DAGClient

Returns:

Final DAG Status

Throws:

IOException

TezException

InterruptedException

waitForCompletionWithStatusUpdates

public DAGStatus waitForCompletionWithStatusUpdates(@Nullable
                                           Set<StatusGetOpts> statusGetOpts)
                                             throws IOException,
                                                    TezException,
                                                    InterruptedException

Description copied from class: DAGClient

Wait for DAG to complete and periodically print *all* vertices' status.

Specified by:

waitForCompletionWithStatusUpdates in class DAGClient

Parameters:

statusGetOpts - : status get options. For example, to get counter pass EnumSet.of(StatusGetOpts.GET_COUNTERS)

Returns:

Final DAG Status

Throws:

IOException

TezException

InterruptedException

close

public void close()
           throws IOException

Throws:

IOException

parseTaskStatsForVertexes

protected Map<String,DAGClientTimelineImpl.VertexTaskStats> parseTaskStatsForVertexes()
                                                                               throws TezException,
                                                                                      org.codehaus.jettison.json.JSONException

Throws:

TezException

org.codehaus.jettison.json.JSONException

getJsonRootEntity

protected org.codehaus.jettison.json.JSONObject getJsonRootEntity(String url)
                                                           throws TezException

Throws:

TezException

getHttpClient

protected com.sun.jersey.api.client.Client getHttpClient()