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

Class MeanMetric

java.lang.Object

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

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

All Implemented Interfaces:

Expressible

public class MeanMetric
extends Metric

Field Summary

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

outputLong

Constructor Summary

Constructors

Constructor	Description
MeanMetric(String columnName)
MeanMetric(String columnName, boolean outputLong)
MeanMetric(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 Detail

MeanMetric

public MeanMetric(String columnName)

MeanMetric

public MeanMetric(String columnName,
                  boolean outputLong)

MeanMetric

public MeanMetric(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