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

Class ComplexEvaluator

java.lang.Object

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

All Implemented Interfaces:

Serializable, StreamEvaluator, Expressible

Direct Known Subclasses:

BooleanEvaluator, ConditionalEvaluator, NumberEvaluator

public abstract class ComplexEvaluator
extends Object
implements StreamEvaluator

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected StreamFactory	constructingFactory
protected UUID	nodeId
protected static long	serialVersionUID
protected List<StreamEvaluator>	subEvaluators

Constructor Summary

Constructors

Constructor and Description
ComplexEvaluator(StreamExpression expression, StreamFactory factory)

Method Summary

Modifier and Type	Method and Description
Explanation	toExplanation(StreamFactory factory) Returns an explanation about the stream object
StreamExpressionParameter	toExpression(StreamFactory factory)

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

evaluate

Field Detail

serialVersionUID

protected static final long serialVersionUID

See Also:

Constant Field Values

nodeId

protected UUID nodeId

constructingFactory

protected StreamFactory constructingFactory

subEvaluators

protected List<StreamEvaluator> subEvaluators

Constructor Detail

ComplexEvaluator

public ComplexEvaluator(StreamExpression expression,
                        StreamFactory factory)
                 throws IOException

Throws:

IOException

Method Detail

toExpression

public StreamExpressionParameter toExpression(StreamFactory factory)
                                       throws IOException

Specified by:

toExpression in interface Expressible

Throws:

IOException

toExplanation

public Explanation toExplanation(StreamFactory factory)
                          throws IOException

Description copied from interface: Expressible

Returns an explanation about the stream object

Specified by:

toExplanation in interface Expressible

Parameters:

factory - Stream factory for this, contains information about the function name

Returns:

Explanation about this stream object containing explanations of any child stream objects

Throws:

IOException - throw on any error