com.persistit

Class Accumulator.MaxAccumulator

java.lang.Object

com.persistit.Accumulator

com.persistit.Accumulator.MaxAccumulator

Enclosing class:

Accumulator

public static final class Accumulator.MaxAccumulator
extends Accumulator

An Accumulator that computes a maximum value

Nested Class Summary

Nested classes/interfaces inherited from class com.persistit.Accumulator

Accumulator.MaxAccumulator, Accumulator.MinAccumulator, Accumulator.SeqAccumulator, Accumulator.SumAccumulator, Accumulator.Type

Field Summary

Fields inherited from class com.persistit.Accumulator

_tree

Method Summary

Modifier and Type	Method and Description
void	maximum(long max) Modify the Accumulator so that its value is no greater than the supplied value.

Methods inherited from class com.persistit.Accumulator

getLiveValue, getSnapshotValue, toString

Methods inherited from class java.lang.Object

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

Method Detail

maximum

public void maximum(long max)

Modify the Accumulator so that its value is no greater than the supplied value. The contribution is immediately accumulated into the live value, and it is also posted with a Delta instance to the supplied Transaction. This method may be called only within the scope of an active Transaction.

Parameters:

max - The candidate maximum value