Package org.openmuc.framework.driver.aggregator.types

Class DiffAggregation

java.lang.Object

org.openmuc.framework.driver.aggregator.AggregatorChannel

org.openmuc.framework.driver.aggregator.types.DiffAggregation

public class DiffAggregation
extends AggregatorChannel

Field Summary

Fields inherited from class org.openmuc.framework.driver.aggregator.AggregatorChannel

aggregatedChannel, aggregationInterval, aggregationSamplingTimeOffset, channelAddress, sourceChannel, sourceLoggingInterval

Constructor Summary

Constructors

Constructor	Description
DiffAggregation(ChannelAddress simpleAddress, org.openmuc.framework.dataaccess.DataAccessService dataAccessService)

Method Summary

Modifier and Type	Method	Description
double	aggregate(long currentTimestamp, long endTimestamp)	Performs aggregation.

Methods inherited from class org.openmuc.framework.driver.aggregator.AggregatorChannel

getLoggedRecords

Methods inherited from class java.lang.Object

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

Constructor Detail

DiffAggregation

public DiffAggregation(ChannelAddress simpleAddress,
                       org.openmuc.framework.dataaccess.DataAccessService dataAccessService)
                throws AggregationException

Throws:

AggregationException

Method Detail

aggregate

public double aggregate(long currentTimestamp,
                        long endTimestamp)
                 throws AggregationException

Description copied from class: AggregatorChannel

Performs aggregation.

Specified by:

aggregate in class AggregatorChannel

Parameters:

currentTimestamp - start TS.

endTimestamp - stop TS.

Returns:

the aggregated value.

Throws:

AggregationException - if an error occurs.