Package 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:

Expressible

public class SumMetric
extends Metric

Field Summary

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

outputLong

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
String[]	getColumns()
Number	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, getMetricNodeId, setFunctionName, setIdentifier, setIdentifier, toExplanation

Methods inherited from class java.lang.Object

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

Constructor Details

SumMetric

public SumMetric(String columnName)

SumMetric

public SumMetric(StreamExpression expression,
 StreamFactory factory)
          throws IOException

Throws:

IOException

Method Details

getColumns

public String[] getColumns()

Specified by:

getColumns in class Metric

update

public void update(Tuple tuple)

Specified by:

update in class Metric

newInstance

public Metric newInstance()

Specified by:

newInstance in class Metric

getValue

public Number getValue()

Specified by:

getValue in class Metric

toExpression

public StreamExpressionParameter toExpression(StreamFactory factory)
                                       throws IOException

Throws:

IOException