org.basex.query.ft

Class FTExtensionSelection

java.lang.Object

org.basex.data.ExprInfo

org.basex.query.expr.Expr

org.basex.query.expr.ParseExpr

org.basex.query.ft.FTExpr

org.basex.query.ft.FTExtensionSelection

public final class FTExtensionSelection
extends FTExpr

FTExtensionSelection expression.

Author:

BaseX Team 2005-12, BSD License, Leo Woerteler

Nested Class Summary

Nested classes/interfaces inherited from class org.basex.query.expr.Expr

Expr.Use

Field Summary

Fields inherited from class org.basex.query.ft.FTExpr

expr

Fields inherited from class org.basex.query.expr.ParseExpr

input, size, type

Constructor Summary

Constructors

Constructor and Description
FTExtensionSelection(InputInfo ii, Expr[] prag, FTExpr e) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
FTNode	item(QueryContext ctx, InputInfo ii) This method is called by the sequential full-text evaluation.
FTIter	iter(QueryContext ctx) This method is called by the index-based full-text evaluation.
void	plan(Serializer ser) Serializes the expression tree.
java.lang.String	toString()

Methods inherited from class org.basex.query.ft.FTExpr

comp, count, indexEquivalent, removable, remove, uses

Methods inherited from class org.basex.query.expr.ParseExpr

checkBln, checkColl, checkCreate, checkCtx, checkDbl, checkDBNode, checkEStr, checkEStr, checkIO, checkItem, checkItr, checkItr, checkMap, checkNode, checkNoEmpty, checkStr, checkType, checkUp, checkUp, checkWrite, compBln, ebv, optPre, preEval, size, test, type, value

Methods inherited from class org.basex.query.expr.Expr

addText, compEbv, hasFreeVars, indexAccessible, isEmpty, isFunction, isItem, isVacuous, isValue, iterable, markTailCalls, sameAs

Methods inherited from class org.basex.data.ExprInfo

description, info

Methods inherited from class java.lang.Object

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

Constructor Detail

FTExtensionSelection

public FTExtensionSelection(InputInfo ii,
                    Expr[] prag,
                    FTExpr e)

Constructor.

Parameters:

ii - input info

prag - pragmas

e - enclosed FTSelection

Method Detail

item

public FTNode item(QueryContext ctx,
          InputInfo ii)
            throws QueryException

Description copied from class: FTExpr

This method is called by the sequential full-text evaluation.

Specified by:

item in class FTExpr

Parameters:

ctx - query context

ii - input info

Returns:

resulting item

Throws:

QueryException - query exception

iter

public FTIter iter(QueryContext ctx)
            throws QueryException

Description copied from class: FTExpr

This method is called by the index-based full-text evaluation.

Specified by:

iter in class FTExpr

Parameters:

ctx - query context

Returns:

resulting item

Throws:

QueryException - query exception

plan

public void plan(Serializer ser)
          throws java.io.IOException

Description copied from class: ExprInfo

Serializes the expression tree.

Overrides:

plan in class FTExpr

Parameters:

ser - serializer

Throws:

java.io.IOException - I/O exception

toString

public java.lang.String toString()

Specified by:

toString in class ExprInfo