Package org.apache.storm.hdfs.trident.rotation

Class NoRotationPolicy

java.lang.Object

org.apache.storm.hdfs.trident.rotation.NoRotationPolicy

All Implemented Interfaces:

Serializable, FileRotationPolicy

public class NoRotationPolicy
extends Object
implements FileRotationPolicy

File rotation policy that will never rotate... Just one big file. Intended for testing purposes.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
NoRotationPolicy()

Method Summary

Modifier and Type	Method	Description
boolean	mark(long offset)	Check if a file rotation should be performed based on the offset at which file is being written.
boolean	mark(TridentTuple tuple, long offset)	Called for every tuple the HdfsBolt executes.
void	reset()	Called after the HdfsBolt rotates a file.
void	start()	Start the policy.

Methods inherited from class java.lang.Object

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

Constructor Detail

NoRotationPolicy

public NoRotationPolicy()

Method Detail

mark

public boolean mark(TridentTuple tuple,
                    long offset)

Description copied from interface: FileRotationPolicy

Called for every tuple the HdfsBolt executes.

Specified by:

mark in interface FileRotationPolicy

Parameters:

tuple - The tuple executed.

offset - current offset of file being written

Returns:

true if a file rotation should be performed

mark

public boolean mark(long offset)

Description copied from interface: FileRotationPolicy

Check if a file rotation should be performed based on the offset at which file is being written.

Specified by:

mark in interface FileRotationPolicy

Parameters:

offset - the current offset of file being written

Returns:

true if a file rotation should be performed.

reset

public void reset()

Description copied from interface: FileRotationPolicy

Called after the HdfsBolt rotates a file.

Specified by:

reset in interface FileRotationPolicy

start

public void start()

Description copied from interface: FileRotationPolicy

Start the policy. Useful in case of policies like timed rotation where the timer can be started.

Specified by:

start in interface FileRotationPolicy