com.exalead.search.query.node

Class Node

java.lang.Object

com.exalead.search.query.node.Node

Direct Known Subclasses:

Around, AttrSimilar, AttrSimilarBin, ButNot, DidListNode, ELLQLString, ErrorNode, FalseNode, IndexValue, NamedQueryNode, NaryNode, NoOp, RangeNode, Split, TextNode, TrueNode, UidListNode, UnaryNode

public abstract class Node
extends java.lang.Object

Base interface for all nodes of the query tree

Field Summary

Fields

Modifier and Type	Field and Description
IndexOptions	indexOptions

Constructor Summary

Constructors

Constructor and Description
Node()

Method Summary

Modifier and Type	Method and Description
abstract Node	accept(NodeVisitor visitor)
abstract Node	cloneNode()
protected void	copyOptionsFrom(Node other)
static java.lang.String	escapeStr(java.lang.String str)
boolean	getHighlight()
abstract void	toELLQL(java.lang.StringBuilder buffer, boolean sortNAry)
protected void	toELLQLBinary(java.lang.StringBuilder buffer, java.lang.String name, Node left, Node right, boolean sortNAry)
protected void	toELLQLConstant(java.lang.StringBuilder buffer, java.lang.String name)
protected void	toELLQLNAry(java.lang.StringBuilder buffer, java.lang.String name, java.util.List<Node> content, boolean sortNAry)
protected void	toELLQLUnary(java.lang.StringBuilder buffer, java.lang.String name, Node content, boolean sortNAry)
static java.lang.String	unEscapeStr(java.lang.String str)

Methods inherited from class java.lang.Object

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

Field Detail

indexOptions

public IndexOptions indexOptions

Constructor Detail

Node

public Node()

Method Detail

toELLQL

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

accept

public abstract Node accept(NodeVisitor visitor)
                     throws QueryProcessingException

Throws:

QueryProcessingException

cloneNode

public abstract Node cloneNode()

toELLQLUnary

protected void toELLQLUnary(java.lang.StringBuilder buffer,
                            java.lang.String name,
                            Node content,
                            boolean sortNAry)

toELLQLConstant

protected void toELLQLConstant(java.lang.StringBuilder buffer,
                               java.lang.String name)

toELLQLBinary

protected void toELLQLBinary(java.lang.StringBuilder buffer,
                             java.lang.String name,
                             Node left,
                             Node right,
                             boolean sortNAry)

toELLQLNAry

protected void toELLQLNAry(java.lang.StringBuilder buffer,
                           java.lang.String name,
                           java.util.List<Node> content,
                           boolean sortNAry)

escapeStr

public static java.lang.String escapeStr(java.lang.String str)

unEscapeStr

public static java.lang.String unEscapeStr(java.lang.String str)

getHighlight

public boolean getHighlight()

copyOptionsFrom

protected void copyOptionsFrom(Node other)