Package org.apache.flink.runtime.checkpoint.filemerging

Class PhysicalFile

java.lang.Object

org.apache.flink.runtime.checkpoint.filemerging.PhysicalFile

public class PhysicalFile
extends Object

An abstraction of physical files in file-merging checkpoints.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	PhysicalFile.PhysicalFileCreator	Functional interface to create the physical file.
static interface	PhysicalFile.PhysicalFileDeleter	Functional interface to delete the physical file.

Constructor Summary

Constructors

Constructor	Description
PhysicalFile(org.apache.flink.core.fs.FSDataOutputStream outputStream, org.apache.flink.core.fs.Path filePath, PhysicalFile.PhysicalFileDeleter deleter, CheckpointedStateScope scope)
PhysicalFile(org.apache.flink.core.fs.FSDataOutputStream outputStream, org.apache.flink.core.fs.Path filePath, PhysicalFile.PhysicalFileDeleter deleter, CheckpointedStateScope scope, boolean owned)

Method Summary

Modifier and Type	Method	Description
void	close()
boolean	closed()
void	deleteIfNecessary()	Delete this physical file if there is no reference count from logical files (all discarded), and this physical file is closed (no further writing on it).
boolean	equals(Object o)
org.apache.flink.core.fs.Path	getFilePath()
org.apache.flink.core.fs.FSDataOutputStream	getOutputStream()
CheckpointedStateScope	getScope()
boolean	isDeleted()
boolean	isOpen()
boolean	isOwned()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

PhysicalFile

public PhysicalFile(@Nullable
                    org.apache.flink.core.fs.FSDataOutputStream outputStream,
                    org.apache.flink.core.fs.Path filePath,
                    @Nullable
                    PhysicalFile.PhysicalFileDeleter deleter,
                    CheckpointedStateScope scope)

PhysicalFile

public PhysicalFile(@Nullable
                    org.apache.flink.core.fs.FSDataOutputStream outputStream,
                    org.apache.flink.core.fs.Path filePath,
                    @Nullable
                    PhysicalFile.PhysicalFileDeleter deleter,
                    CheckpointedStateScope scope,
                    boolean owned)

Method Detail

getOutputStream

@Nullable
public org.apache.flink.core.fs.FSDataOutputStream getOutputStream()

deleteIfNecessary

public void deleteIfNecessary()
                       throws IOException

Delete this physical file if there is no reference count from logical files (all discarded), and this physical file is closed (no further writing on it).

Throws:

IOException - if anything goes wrong with file system.

closed

public boolean closed()

close

public void close()
           throws IOException

Throws:

IOException

isOpen

public boolean isOpen()

Returns:

whether this physical file is still open for writing.

isDeleted

public boolean isDeleted()

getFilePath

public org.apache.flink.core.fs.Path getFilePath()

getScope

public CheckpointedStateScope getScope()

isOwned

public boolean isOwned()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object