org.apache.storm.hdfs.bolt.rotation
Class FileSizeRotationPolicy
java.lang.Object
org.apache.storm.hdfs.bolt.rotation.FileSizeRotationPolicy
- All Implemented Interfaces:
- Serializable, FileRotationPolicy
public class FileSizeRotationPolicy
- extends Object
- implements FileRotationPolicy
File rotation policy that will rotate files when a certain
file size is reached.
For example:
// rotate when files reach 5MB
FileSizeRotationPolicy policy =
new FileSizeRotationPolicy(5.0, Units.MB);
- See Also:
- Serialized Form
Method Summary |
boolean |
mark(Tuple tuple,
long offset)
Called for every tuple the HdfsBolt executes. |
void |
reset()
Called after the HdfsBolt rotates a file. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
FileSizeRotationPolicy
public FileSizeRotationPolicy(float count,
FileSizeRotationPolicy.Units units)
mark
public boolean mark(Tuple 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
reset
public void reset()
- Description copied from interface:
FileRotationPolicy
- Called after the HdfsBolt rotates a file.
- Specified by:
reset
in interface FileRotationPolicy
Copyright © 2015 The Apache Software Foundation. All Rights Reserved.