org.basex.query.xpath.internal
Class IndexAccess

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

public final class IndexAccess
extends InternalExpr

This index class retrieves attribute values from the index.

Author:

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

Constructor Summary

IndexAccess(Index.TYPE typ, byte[] tok)
Constructor.

Method Summary

NodeSet	eval(XPContext ctx) Evaluates the expression with the specified context set.
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

IndexAccess

public IndexAccess(Index.TYPE typ,
                   byte[] tok)

Constructor.

Parameters:

typ - index type

tok - index token

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

toString

public java.lang.String toString()

Specified by:

toString in class Expr