org.apache.solr.client.solrj.io.ops

Class LeafOperation

java.lang.Object

org.apache.solr.client.solrj.io.ops.LeafOperation

All Implemented Interfaces:

Serializable, BooleanOperation, StreamOperation, Expressible

Direct Known Subclasses:

EqualsOperation, GreaterThanEqualToOperation, GreaterThanOperation, LessThanEqualToOperation, LessThanOperation

public abstract class LeafOperation
extends Object
implements BooleanOperation

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected String	field
protected Tuple	tuple
protected Double	val

Constructor Summary

Constructors

Constructor and Description
LeafOperation(StreamExpression expression, StreamFactory factory)
LeafOperation(String field, double val)

Method Summary

Modifier and Type	Method and Description
void	operate(Tuple tuple)
protected String	quote(String s)
Explanation	toExplanation(StreamFactory factory) Returns an explanation about the stream object

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.ops.BooleanOperation

evaluate

Methods inherited from interface org.apache.solr.client.solrj.io.stream.expr.Expressible

toExpression

Field Detail

field

protected String field

val

protected Double val

tuple

protected Tuple tuple

Constructor Detail

LeafOperation

public LeafOperation(String field,
                     double val)

LeafOperation

public LeafOperation(StreamExpression expression,
                     StreamFactory factory)
              throws IOException

Throws:

IOException

Method Detail

operate

public void operate(Tuple tuple)

Specified by:

operate in interface StreamOperation

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

quote

protected String quote(String s)