org.basex.query.xpath.internal
Class FTIndex

java.lang.Object
  org.basex.query.xpath.expr.Expr
      org.basex.query.xpath.internal.InternalExpr
          org.basex.query.xpath.internal.FTIndex

public final class FTIndex
extends InternalExpr

This expression retrieves the ids of indexed fulltext terms.

Author:

Workgroup DBIS, University of Konstanz 2005-07, ISC License, Tim Petrowsky, Christian Gruen

Constructor Summary

FTIndex(byte[] tok, FTOption opt, boolean sim, boolean sing)
Constructor.

Method Summary

NodeSet	eval(XPContext ctx) Evaluates the expression with the specified context set.
FTOption	getFTOption() Get FTOptions for index access.
byte[]	getToken() Get token for index access.
java.lang.String	toString()

Methods inherited from class org.basex.query.xpath.internal.InternalExpr

compile, usesPos, usesSize

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

indexEquivalent, indexSizes, returnedValue, sameAs

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

FTIndex

public FTIndex(byte[] tok,
               FTOption opt,
               boolean sim,
               boolean sing)

Constructor.

Parameters:

tok - index token

opt - FTOption for index token

sim - flag for simple ftcontains queries

sing - flag for single word queries

Method Detail

eval

public NodeSet eval(XPContext ctx)

Description copied from class: Expr

Evaluates the expression with the specified context set. Additionally provides a context

Specified by:

eval in class Expr

Parameters:

ctx - query context

Returns:

resulting XPathValue

getFTOption

public FTOption getFTOption()

Get FTOptions for index access.

Returns:

ftoptions

getToken

public byte[] getToken()

Get token for index access.

Returns:

token

toString

public java.lang.String toString()

Specified by:

toString in class Expr