org.basex.query.ft

Class FTScope

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.FTFilter

org.basex.query.ft.FTScope

public final class FTScope
extends FTFilter

FTScope 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
FTScope(InputInfo ii, FTExpr e, FTUnit u, boolean s) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
protected boolean	filter(QueryContext ctx, FTMatch mtc, FTLexer lex) Evaluates the filter expression.
void	plan(Serializer ser) Serializes the expression tree.
java.lang.String	toString()

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

indexAccessible, item, iter

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, 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

FTScope

public FTScope(InputInfo ii,
       FTExpr e,
       FTUnit u,
       boolean s)

Constructor.

Parameters:

ii - input info

e - expression

u - unit

s - same flag

Method Detail

filter

protected boolean filter(QueryContext ctx,
             FTMatch mtc,
             FTLexer lex)

Description copied from class: FTFilter

Evaluates the filter expression.

Specified by:

filter in class FTFilter

Parameters:

ctx - query context

mtc - full-text match

lex - tokenizer

Returns:

result of check

plan

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

Description copied from class: ExprInfo

Serializes the expression tree.

Overrides:

plan in class FTFilter

Parameters:

ser - serializer

Throws:

java.io.IOException - I/O exception

toString

public java.lang.String toString()

Overrides:

toString in class FTFilter