com.exalead.search.query.node

Class ButNot

java.lang.Object

com.exalead.search.query.node.Node

com.exalead.search.query.node.ButNot

public class ButNot
extends Node

Implement the ButNot word-level expression.
This node is used to match docs that match a boolean expression, but that do not match a more specific word-level expression.
Example: "new BUTNOT (new york)" will match documents which contain new but not the sequence "new york"

Field Summary

Fields

Modifier and Type	Field and Description
Node	exclude Expression used to exclude documents that also match it, at the same position
Node	include Base expression to match on all docs

Fields inherited from class com.exalead.search.query.node.Node

indexOptions

Constructor Summary

Constructors

Constructor and Description
ButNot()
ButNot(Node include, Node exclude)
ButNot(Node include, Node exclude, IndexOptions options) Create a new ButNot

Method Summary

Modifier and Type	Method and Description
Node	accept(NodeVisitor visitor)
Node	cloneNode()
Node	getExclude()
Node	getInclude()
void	setExclude(Node exclude)
void	setInclude(Node include)
void	toELLQL(java.lang.StringBuilder buffer, boolean sortNAry)

Methods inherited from class com.exalead.search.query.node.Node

copyOptionsFrom, escapeStr, getHighlight, toELLQLBinary, toELLQLConstant, toELLQLNAry, toELLQLUnary, unEscapeStr

Methods inherited from class java.lang.Object

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

Field Detail

include

public Node include

Base expression to match on all docs

exclude

public Node exclude

Expression used to exclude documents that also match it, at the same position

Constructor Detail

ButNot

public ButNot()

ButNot

public ButNot(Node include,
              Node exclude,
              IndexOptions options)

Create a new ButNot

Parameters:

include - The base expression to match on all docs

exclude - Expression used to exclude documents that also match it, at the same position

ButNot

public ButNot(Node include,
              Node exclude)

Method Detail

cloneNode

public Node cloneNode()

Specified by:

cloneNode in class Node

getInclude

public Node getInclude()

See Also:

include

setInclude

public void setInclude(Node include)

See Also:

include

getExclude

public Node getExclude()

See Also:

exclude

setExclude

public void setExclude(Node exclude)

See Also:

exclude

toELLQL

public void toELLQL(java.lang.StringBuilder buffer,
                    boolean sortNAry)

Specified by:

toELLQL in class Node

accept

public Node accept(NodeVisitor visitor)
            throws QueryProcessingException

Specified by:

accept in class Node

Throws:

QueryProcessingException