org.basex.query.ft

Class FTOptions

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.FTOptions

public final class FTOptions
extends FTExpr

FTOptions expression.

Author:

BaseX Team 2005-12, BSD License, Christian Gruen

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
FTOptions(InputInfo ii, FTExpr e, FTOpt o) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
FTExpr	comp(QueryContext ctx) Compiles and optimizes the expression, assigns data types and cardinalities.
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

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

FTOptions

public FTOptions(InputInfo ii,
         FTExpr e,
         FTOpt o)

Constructor.

Parameters:

ii - input info

e - expression

o - ft options

Method Detail

comp

public FTExpr comp(QueryContext ctx)
            throws QueryException

Description copied from class: Expr

Compiles and optimizes the expression, assigns data types and cardinalities.

Overrides:

comp in class FTExpr

Parameters:

ctx - query context

Returns:

optimized expression

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

item

public FTNode item(QueryContext ctx,
          InputInfo ii)

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

iter

public FTIter iter(QueryContext ctx)

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