org.apache.omid.committable

Class NullCommitTable.Writer

java.lang.Object

org.apache.omid.committable.NullCommitTable.Writer

All Implemented Interfaces:

CommitTable.Writer

Enclosing class:

NullCommitTable

public static class NullCommitTable.Writer
extends Object
implements CommitTable.Writer

Constructor Summary

Constructors

Constructor and Description
Writer()

Method Summary

Modifier and Type	Method and Description
void	addCommittedTransaction(long startTimestamp, long commitTimestamp)
boolean	atomicAddCommittedTransaction(long startTimestamp, long commitTimestamp) Add commited transaction while checking if invalidated by other client
void	clearWriteBuffer() Allows to clean the write's current buffer.
void	flush() Flushes all the buffered events to the underlying datastore
void	updateLowWatermark(long lowWatermark)

Methods inherited from class java.lang.Object

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

Constructor Detail

Writer

public Writer()

Method Detail

addCommittedTransaction

public void addCommittedTransaction(long startTimestamp,
                                    long commitTimestamp)

Specified by:

addCommittedTransaction in interface CommitTable.Writer

updateLowWatermark

public void updateLowWatermark(long lowWatermark)
                        throws IOException

Specified by:

updateLowWatermark in interface CommitTable.Writer

Throws:

IOException

clearWriteBuffer

public void clearWriteBuffer()

Description copied from interface: CommitTable.Writer

Allows to clean the write's current buffer. It is required for HA

Specified by:

clearWriteBuffer in interface CommitTable.Writer

atomicAddCommittedTransaction

public boolean atomicAddCommittedTransaction(long startTimestamp,
                                             long commitTimestamp)
                                      throws IOException

Description copied from interface: CommitTable.Writer

Add commited transaction while checking if invalidated by other client

Specified by:

atomicAddCommittedTransaction in interface CommitTable.Writer

Throws:

IOException

flush

public void flush()
           throws IOException

Description copied from interface: CommitTable.Writer

Flushes all the buffered events to the underlying datastore

Specified by:

flush in interface CommitTable.Writer

Throws:

IOException