org.apache.hive.common.util

Class TxnIdUtils

java.lang.Object

org.apache.hive.common.util.TxnIdUtils

public class TxnIdUtils
extends Object

Constructor Summary

Constructors

Constructor and Description
TxnIdUtils()

Method Summary

Modifier and Type	Method and Description
static boolean	checkEquivalentWriteIds(ValidWriteIdList a, ValidWriteIdList b) Check if 2 ValidWriteIdLists are at an equivalent commit point.
static int	compare(ValidWriteIdList a, ValidWriteIdList b) Compare the freshness of two ValidWriteIdList

Methods inherited from class java.lang.Object

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

Constructor Detail

TxnIdUtils

public TxnIdUtils()

Method Detail

checkEquivalentWriteIds

public static boolean checkEquivalentWriteIds(ValidWriteIdList a,
                                              ValidWriteIdList b)

Check if 2 ValidWriteIdLists are at an equivalent commit point.

compare

public static int compare(ValidWriteIdList a,
                          ValidWriteIdList b)

Compare the freshness of two ValidWriteIdList

Parameters:

a -

b -

Returns:

0, if a and b are equivalent 1, if a is more recent -1, if b is more recent