Package org.apache.flink.runtime.dispatcher

Class FileExecutionGraphInfoStore

java.lang.Object

org.apache.flink.runtime.dispatcher.FileExecutionGraphInfoStore

All Implemented Interfaces:

Closeable, AutoCloseable, ExecutionGraphInfoStore

public class FileExecutionGraphInfoStore
extends Object
implements ExecutionGraphInfoStore

Store for ExecutionGraphInfo instances. The store writes the archived execution graph information to disk and keeps the most recently used execution graphs in a memory cache for faster serving. Moreover, the stored execution graphs are periodically cleaned up.

Constructor Summary

Constructors

Constructor	Description
FileExecutionGraphInfoStore(File rootDir, Duration expirationTime, int maximumCapacity, long maximumCacheSizeBytes, ScheduledExecutor scheduledExecutor, org.apache.flink.shaded.guava32.com.google.common.base.Ticker ticker)

Method Summary

Modifier and Type	Method	Description
void	close()
ExecutionGraphInfo	get(JobID jobId)	Get the ExecutionGraphInfo for the given job id.
Collection<JobDetails>	getAvailableJobDetails()	Return the collection of JobDetails of all currently stored jobs.
JobDetails	getAvailableJobDetails(JobID jobId)	Return the JobDetails} for the given job.
JobsOverview	getStoredJobsOverview()	Return the JobsOverview for all stored/past jobs.
void	put(ExecutionGraphInfo executionGraphInfo)	Store the given ExecutionGraphInfo in the store.
int	size()	Returns the current number of stored ExecutionGraphInfo instances.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileExecutionGraphInfoStore

public FileExecutionGraphInfoStore(File rootDir,
                                   Duration expirationTime,
                                   int maximumCapacity,
                                   long maximumCacheSizeBytes,
                                   ScheduledExecutor scheduledExecutor,
                                   org.apache.flink.shaded.guava32.com.google.common.base.Ticker ticker)
                            throws IOException

Throws:

IOException

Method Detail

size

public int size()

Description copied from interface: ExecutionGraphInfoStore

Returns the current number of stored ExecutionGraphInfo instances.

Specified by:

size in interface ExecutionGraphInfoStore

Returns:

Current number of stored ExecutionGraphInfo instances

get

@Nullable
public ExecutionGraphInfo get(JobID jobId)

Description copied from interface: ExecutionGraphInfoStore

Get the ExecutionGraphInfo for the given job id. Null if it isn't stored.

Specified by:

get in interface ExecutionGraphInfoStore

Parameters:

jobId - identifying the serializable execution graph to retrieve

Returns:

The stored serializable execution graph or null

put

public void put(ExecutionGraphInfo executionGraphInfo)
         throws IOException

Description copied from interface: ExecutionGraphInfoStore

Store the given ExecutionGraphInfo in the store.

Specified by:

put in interface ExecutionGraphInfoStore

Parameters:

executionGraphInfo - to store

Throws:

IOException - if the serializable execution graph could not be stored in the store

getStoredJobsOverview

public JobsOverview getStoredJobsOverview()

Description copied from interface: ExecutionGraphInfoStore

Return the JobsOverview for all stored/past jobs.

Specified by:

getStoredJobsOverview in interface ExecutionGraphInfoStore

Returns:

Jobs overview for all stored/past jobs

getAvailableJobDetails

public Collection<JobDetails> getAvailableJobDetails()

Description copied from interface: ExecutionGraphInfoStore

Return the collection of JobDetails of all currently stored jobs.

Specified by:

getAvailableJobDetails in interface ExecutionGraphInfoStore

Returns:

Collection of job details of all currently stored jobs

getAvailableJobDetails

@Nullable
public JobDetails getAvailableJobDetails(JobID jobId)

Description copied from interface: ExecutionGraphInfoStore

Return the JobDetails} for the given job.

Specified by:

getAvailableJobDetails in interface ExecutionGraphInfoStore

Parameters:

jobId - identifying the job for which to retrieve the JobDetails

Returns:

JobDetails of the requested job or null if the job is not available

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException