org.apache.omid.timestamp.storage

Class HBaseTimestampStorage

java.lang.Object

org.apache.omid.timestamp.storage.HBaseTimestampStorage

All Implemented Interfaces:

TimestampStorage

public class HBaseTimestampStorage
extends Object
implements TimestampStorage

Stores the max timestamp assigned by the TO in HBase. It's always written non-transactionally in the same row and column

Constructor Summary

Constructors

Constructor and Description
HBaseTimestampStorage(org.apache.hadoop.conf.Configuration hbaseConfig, HBaseTimestampStorageConfig config)

Method Summary

Modifier and Type	Method and Description
void	close()
long	getMaxTimestamp()
void	updateMaxTimestamp(long previousMaxTimestamp, long newMaxTimestamp)

Methods inherited from class java.lang.Object

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

Constructor Detail

HBaseTimestampStorage

@Inject
public HBaseTimestampStorage(org.apache.hadoop.conf.Configuration hbaseConfig,
                                     HBaseTimestampStorageConfig config)
                              throws IOException

Throws:

IOException

Method Detail

updateMaxTimestamp

public void updateMaxTimestamp(long previousMaxTimestamp,
                               long newMaxTimestamp)
                        throws IOException

Specified by:

updateMaxTimestamp in interface TimestampStorage

Throws:

IOException

getMaxTimestamp

public long getMaxTimestamp()
                     throws IOException

Specified by:

getMaxTimestamp in interface TimestampStorage

Throws:

IOException

close

public void close()
           throws IOException

Throws:

IOException