org.apache.derbyTesting.functionTests.tests.lang

Class ModeAggregate

java.lang.Object

org.apache.derbyTesting.functionTests.tests.lang.ModeAggregate

All Implemented Interfaces:

java.io.Serializable, org.apache.derby.agg.Aggregator<java.lang.Integer,java.lang.Integer,ModeAggregate>

public class ModeAggregate
extends java.lang.Object
implements org.apache.derby.agg.Aggregator<java.lang.Integer,java.lang.Integer,ModeAggregate>

This is a mode aggregator for ints.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ModeAggregate.Accumulator

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.HashMap<java.lang.Integer,ModeAggregate.Accumulator>	_accumulators

Constructor Summary

Constructors

Constructor and Description
ModeAggregate()

Method Summary

Modifier and Type	Method and Description
void	accumulate(java.lang.Integer value)
private ModeAggregate.Accumulator	getAccumulator(java.lang.Integer value)
void	init()
void	merge(ModeAggregate otherAggregator)
java.lang.Integer	terminate()

Methods inherited from class java.lang.Object

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

Field Detail

_accumulators

private java.util.HashMap<java.lang.Integer,ModeAggregate.Accumulator> _accumulators

Constructor Detail

ModeAggregate

public ModeAggregate()

Method Detail

init

public void init()

Specified by:

init in interface org.apache.derby.agg.Aggregator<java.lang.Integer,java.lang.Integer,ModeAggregate>

accumulate

public void accumulate(java.lang.Integer value)

Specified by:

accumulate in interface org.apache.derby.agg.Aggregator<java.lang.Integer,java.lang.Integer,ModeAggregate>

merge

public void merge(ModeAggregate otherAggregator)

Specified by:

merge in interface org.apache.derby.agg.Aggregator<java.lang.Integer,java.lang.Integer,ModeAggregate>

terminate

public java.lang.Integer terminate()

Specified by:

terminate in interface org.apache.derby.agg.Aggregator<java.lang.Integer,java.lang.Integer,ModeAggregate>

getAccumulator

private ModeAggregate.Accumulator getAccumulator(java.lang.Integer value)