org.apache.flink.runtime.execution.librarycache

Class LibraryCacheProfileResponse

java.lang.Object

org.apache.flink.runtime.execution.librarycache.LibraryCacheProfileResponse

All Implemented Interfaces:

IOReadableWritable

public class LibraryCacheProfileResponse
extends Object
implements IOReadableWritable

A library cache profile response is the response to a library cache profile request. It contains the set of library names originally included in the request message and additionally a bit vector stating which of them are available in the respective task manager's local cache.

Constructor Summary

Constructors

Constructor and Description
LibraryCacheProfileResponse() Constructs an empty library cache profile response.
LibraryCacheProfileResponse(LibraryCacheProfileRequest request) Construct a library cache profile response from a given library cache profile request and initially sets the cache status for all included library names to false.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	isCached(int pos) Returns the cache status of the library at the given position.
void	read(DataInputView in)
void	setCached(int pos, boolean cached) Sets the cache status of the library at the given position.
void	write(DataOutputView out)

Methods inherited from class java.lang.Object

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

Constructor Detail

LibraryCacheProfileResponse

public LibraryCacheProfileResponse(LibraryCacheProfileRequest request)

Construct a library cache profile response from a given library cache profile request and initially sets the cache status for all included library names to false.

Parameters:

request - the library cache profile request the response belongs to

LibraryCacheProfileResponse

public LibraryCacheProfileResponse()

Constructs an empty library cache profile response. This constructor is required for deserialization and should not be called in a regular application.

Method Detail

setCached

public void setCached(int pos,
             boolean cached)

Sets the cache status of the library at the given position.

Parameters:

pos - the position of the library name whose cache status is to be set

cached - true if the library at the given position is in the local cache, false otherwise

isCached

public boolean isCached(int pos)

Returns the cache status of the library at the given position.

Parameters:

pos - the position of the library name whose cache status is to be retrieved

Returns:

true if the library at the given position is in the local cache, false otherwise

read

public void read(DataInputView in)
          throws IOException

Specified by:

read in interface IOReadableWritable

Throws:

IOException

write

public void write(DataOutputView out)
           throws IOException

Specified by:

write in interface IOReadableWritable

Throws:

IOException