org.apache.solr.client.solrj.io.stream.metrics

Class SumMetric

java.lang.Object

org.apache.solr.client.solrj.io.stream.metrics.Metric

org.apache.solr.client.solrj.io.stream.metrics.SumMetric

All Implemented Interfaces:

Serializable, Expressible

public class SumMetric
extends Metric
implements Serializable

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
SumMetric(StreamExpression expression, StreamFactory factory)
SumMetric(String columnName)

Method Summary

Modifier and Type	Method and Description
double	getValue()
Metric	newInstance()
StreamExpressionParameter	toExpression(StreamFactory factory)
void	update(Tuple tuple)

Methods inherited from class org.apache.solr.client.solrj.io.stream.metrics.Metric

getFunctionName, getIdentifier, setFunctionName, setIdentifier, setIdentifier

Methods inherited from class java.lang.Object

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

Constructor Detail

SumMetric

public SumMetric(String columnName)

SumMetric

public SumMetric(StreamExpression expression,
                 StreamFactory factory)
          throws IOException

Throws:

IOException

Method Detail

update

public void update(Tuple tuple)

Specified by:

update in class Metric

newInstance

public Metric newInstance()

Specified by:

newInstance in class Metric

getValue

public double getValue()

Specified by:

getValue in class Metric

toExpression

public StreamExpressionParameter toExpression(StreamFactory factory)
                                       throws IOException

Specified by:

toExpression in interface Expressible

Throws:

IOException