Package org.apache.solr.client.solrj.io.eval

Class CorrelationEvaluator

java.lang.Object

org.apache.solr.client.solrj.io.eval.RecursiveEvaluator

org.apache.solr.client.solrj.io.eval.RecursiveObjectEvaluator

org.apache.solr.client.solrj.io.eval.CorrelationEvaluator

All Implemented Interfaces:

Serializable, ManyValueWorker, StreamEvaluator, ValueWorker, Expressible

public class CorrelationEvaluator
extends RecursiveObjectEvaluator
implements ManyValueWorker

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	CorrelationEvaluator.CorrelationType

Field Summary

Fields

Modifier and Type	Field	Description
protected static final long	serialVersionUID

Fields inherited from class org.apache.solr.client.solrj.io.eval.RecursiveEvaluator

constructingFactory, containedEvaluators, nodeId, streamContext

Constructor Summary

Constructors

Constructor	Description
CorrelationEvaluator(StreamExpression expression, StreamFactory factory)

Method Summary

Modifier and Type	Method	Description
Object	doWork(Object... values)
static List<String>	getColumnLabels(List<String> labels, int length)

Methods inherited from class org.apache.solr.client.solrj.io.eval.RecursiveEvaluator

evaluate, getStreamContext, normalizeInputType, normalizeOutputType, recursivelyEvaluate, setStreamContext, toExplanation, toExpression

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.solr.client.solrj.io.eval.StreamEvaluator

evaluateOverContext

Field Details

serialVersionUID

protected static final long serialVersionUID

See Also:

• Constant Field Values

Constructor Details

CorrelationEvaluator

public CorrelationEvaluator(StreamExpression expression,
 StreamFactory factory)
                     throws IOException

Throws:

IOException

Method Details

doWork

public Object doWork(Object... values)
              throws IOException

Specified by:

doWork in interface ManyValueWorker

Specified by:

doWork in interface ValueWorker

Throws:

IOException

getColumnLabels

public static List<String> getColumnLabels(List<String> labels,
 int length)