com.exalead.search.query.node

Class And

java.lang.Object

com.exalead.search.query.node.Node

com.exalead.search.query.node.NaryNode

com.exalead.search.query.node.And

public class And
extends NaryNode

Boolean operator for a logical conjunction of branches.
It results from an AND in Exalead Query Language.
Is is possible to either sum the scores of the branches or to take the maximum.
By default the scores are summed.

Nested Class Summary

Nested classes/interfaces inherited from class com.exalead.search.query.node.NaryNode

NaryNode.ScoreAction

Field Summary

Fields

Modifier and Type	Field and Description
boolean	naturalSequence
NaryNode.ScoreAction	scoreAction

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

content

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

indexOptions

Constructor Summary

Constructors

Constructor and Description
And()
And(And other)
And(java.util.List<Node> children, IndexOptions options)
And(NaryNode.ScoreAction action)
And(Node... children) Create a boolean intersection of several nodes

Method Summary

Modifier and Type	Method and Description
Node	accept(NodeVisitor visitor)
Node	cloneNode()
NaryNode.ScoreAction	getScoreAction()
And	setMAX() Switch this And node to MAX operation on the score
And	setNatural()
void	toELLQL(java.lang.StringBuilder buffer, boolean sortNAry)

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

addChild, addChildren, contentToELLQLSeq, copyContentFrom, copyContentTo, doubleToEllqlString, getContent, getContentSize, getContentUnsafe, setContent

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

scoreAction

public NaryNode.ScoreAction scoreAction

naturalSequence

public boolean naturalSequence

Constructor Detail

And

public And()

And

public And(NaryNode.ScoreAction action)

And

public And(And other)

And

public And(Node... children)

Create a boolean intersection of several nodes

And

public And(java.util.List<Node> children,
           IndexOptions options)

Method Detail

cloneNode

public Node cloneNode()

Specified by:

cloneNode in class Node

setMAX

public And setMAX()

Switch this And node to MAX operation on the score

setNatural

public And setNatural()

getScoreAction

public NaryNode.ScoreAction getScoreAction()

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