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

Class WeightedSumMetric

java.lang.Object

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

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

All Implemented Interfaces:

Expressible

public class WeightedSumMetric
extends Metric

Field Summary

Fields

Modifier and Type	Field and Description
static String	FUNC

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

outputLong

Constructor Summary

Constructors

Constructor and Description
WeightedSumMetric(StreamExpression expression, StreamFactory factory)
WeightedSumMetric(String valueCol, String countCol)
WeightedSumMetric(String valueCol, String countCol, boolean outputLong)

Method Summary

Modifier and Type	Method and 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

Field Detail

FUNC

public static final String FUNC

See Also:

Constant Field Values

Constructor Detail

WeightedSumMetric

public WeightedSumMetric(String valueCol,
                         String countCol)

WeightedSumMetric

public WeightedSumMetric(String valueCol,
                         String countCol,
                         boolean outputLong)

WeightedSumMetric

public WeightedSumMetric(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

getColumns

public String[] getColumns()

Specified by:

getColumns in class Metric

getValue

public Number getValue()

Specified by:

getValue in class Metric

toExpression

public StreamExpressionParameter toExpression(StreamFactory factory)
                                       throws IOException

Throws:

IOException