Package com.yahoo.document.select.convert

Class SelectionExpressionConverter

java.lang.Object

com.yahoo.document.select.convert.SelectionExpressionConverter

All Implemented Interfaces:

Visitor

public class SelectionExpressionConverter
extends Object
implements Visitor

Class which converts a selection tree into a set of queries per document type. If unsupported operations are or illegal arguments are encountered, an exception is thrown.

Author:

Ulf Lilleengen

Constructor Summary

Constructors

Constructor	Description
SelectionExpressionConverter()

Method Summary

Modifier and Type	Method	Description
Map<String,String>	getQueryMap()
void	visit(ArithmeticNode node)
void	visit(AttributeNode node)
void	visit(ComparisonNode node)
void	visit(DocumentNode node)
void	visit(DocumentTypeNode node)
void	visit(EmbracedNode node)
void	visit(IdNode node)
void	visit(LiteralNode node)
void	visit(LogicNode node)
void	visit(NegationNode node)
void	visit(NowNode node)
void	visit(VariableNode node)

Methods inherited from class java.lang.Object

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

Constructor Details

SelectionExpressionConverter

public SelectionExpressionConverter()

Method Details

getQueryMap

public Map<String,String> getQueryMap()

visit

public void visit(ArithmeticNode node)

Specified by:

visit in interface Visitor

visit

public void visit(AttributeNode node)

Specified by:

visit in interface Visitor

visit

public void visit(ComparisonNode node)

Specified by:

visit in interface Visitor

visit

public void visit(DocumentNode node)

Specified by:

visit in interface Visitor

visit

public void visit(DocumentTypeNode node)

Specified by:

visit in interface Visitor

visit

public void visit(EmbracedNode node)

Specified by:

visit in interface Visitor

visit

public void visit(IdNode node)

Specified by:

visit in interface Visitor

visit

public void visit(LiteralNode node)

Specified by:

visit in interface Visitor

visit

public void visit(LogicNode node)

Specified by:

visit in interface Visitor

visit

public void visit(NegationNode node)

Specified by:

visit in interface Visitor

visit

public void visit(NowNode node)

Specified by:

visit in interface Visitor

visit

public void visit(VariableNode node)

Specified by:

visit in interface Visitor