org.apache.flink.runtime.rest.handler.legacy.checkpoints

Class CheckpointStatsDetailsSubtasksHandler

java.lang.Object

org.apache.flink.runtime.rest.handler.legacy.AbstractJsonRequestHandler

org.apache.flink.runtime.rest.handler.legacy.AbstractExecutionGraphRequestHandler

org.apache.flink.runtime.rest.handler.legacy.checkpoints.CheckpointStatsDetailsSubtasksHandler

All Implemented Interfaces:

RequestHandler

public class CheckpointStatsDetailsSubtasksHandler
extends AbstractExecutionGraphRequestHandler

Request handler that returns checkpoint stats for a single job vertex with the summary stats and all subtasks.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	CheckpointStatsDetailsSubtasksHandler.CheckpointStatsDetailsSubtasksJsonArchivist Archivist for the CheckpointStatsDetailsSubtasksHandler.

Field Summary

Fields inherited from class org.apache.flink.runtime.rest.handler.legacy.AbstractJsonRequestHandler

executor

Constructor Summary

Constructors

Constructor and Description
CheckpointStatsDetailsSubtasksHandler(ExecutionGraphCache executionGraphHolder, Executor executor, CheckpointStatsCache cache)

Method Summary

Modifier and Type	Method and Description
String[]	getPaths() Returns an array of REST URL's under which this handler can be registered.
CompletableFuture<String>	handleJsonRequest(Map<String,String> pathParams, Map<String,String> queryParams, JobManagerGateway jobManagerGateway) Core method that handles the request and generates the response.
CompletableFuture<String>	handleRequest(AccessExecutionGraph graph, Map<String,String> params)

Methods inherited from class org.apache.flink.runtime.rest.handler.legacy.AbstractJsonRequestHandler

handleRequest

Methods inherited from class java.lang.Object

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

Constructor Detail

CheckpointStatsDetailsSubtasksHandler

public CheckpointStatsDetailsSubtasksHandler(ExecutionGraphCache executionGraphHolder,
                                             Executor executor,
                                             CheckpointStatsCache cache)

Method Detail

getPaths

public String[] getPaths()

Description copied from interface: RequestHandler

Returns an array of REST URL's under which this handler can be registered.

Returns:

array containing REST URL's under which this handler can be registered.

handleJsonRequest

public CompletableFuture<String> handleJsonRequest(Map<String,String> pathParams,
                                                   Map<String,String> queryParams,
                                                   JobManagerGateway jobManagerGateway)

Description copied from class: AbstractJsonRequestHandler

Core method that handles the request and generates the response. The method needs to respond with a valid JSON string. Exceptions may be thrown and will be handled.

Overrides:

handleJsonRequest in class AbstractExecutionGraphRequestHandler

Parameters:

pathParams - The map of REST path parameters, decoded by the router.

queryParams - The map of query parameters.

jobManagerGateway - to communicate with the JobManager.

Returns:

The JSON string that is the HTTP response.

handleRequest

public CompletableFuture<String> handleRequest(AccessExecutionGraph graph,
                                               Map<String,String> params)

Specified by:

handleRequest in class AbstractExecutionGraphRequestHandler