org.apache.flume.channel.recoverable.memory.wal
Class WALEntry<T extends org.apache.hadoop.io.Writable>

java.lang.Object
  org.apache.flume.channel.recoverable.memory.wal.WALEntry<T>

All Implemented Interfaces:

org.apache.hadoop.io.Writable

public class WALEntry<T extends org.apache.hadoop.io.Writable>
extends Object
implements org.apache.hadoop.io.Writable

Wraps a Writable with a sequence id so that both can be written together to a file.

Constructor Summary

WALEntry(T data, long sequenceID)
Creates a WALEntry with specified payload and sequence id

Method Summary

T	getData()
long	getSequenceID()
void	readFields(DataInput in)
void	write(DataOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

WALEntry

public WALEntry(T data,
                long sequenceID)

Creates a WALEntry with specified payload and sequence id

Parameters:

data -

sequenceID -

Method Detail

readFields

public void readFields(DataInput in)
                throws IOException

Specified by:

readFields in interface org.apache.hadoop.io.Writable

Throws:

IOException

write

public void write(DataOutput out)
           throws IOException

Specified by:

write in interface org.apache.hadoop.io.Writable

Throws:

IOException

getData

public T getData()

getSequenceID

public long getSequenceID()