org.basex.query.expr

Class RangeAccess

java.lang.Object

org.basex.data.ExprInfo

org.basex.query.expr.Expr

org.basex.query.expr.ParseExpr

org.basex.query.expr.Simple

org.basex.query.expr.IndexAccess

org.basex.query.expr.RangeAccess

public final class RangeAccess
extends IndexAccess

This index class retrieves range values from the index.

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.expr.ParseExpr

info, size, type

Method Summary

Methods

Modifier and Type	Method and Description
AxisIter	iter(QueryContext ctx) Evaluates the expression and returns an iterator on the resulting items.
void	plan(FElem plan) Creates an expression tree.
java.lang.String	toString()

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

iterable

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

comp, count, 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, item, optPre, preEval, size, test, type, value

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

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

Methods inherited from class org.basex.data.ExprInfo

addPlan, addPlan, description, info, planAttr, planElem

Methods inherited from class java.lang.Object

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

Method Detail

iter

public AxisIter iter(QueryContext ctx)

Description copied from class: Expr

Evaluates the expression and returns an iterator on the resulting items. If this method is not overwritten, Expr.item(org.basex.query.QueryContext, org.basex.util.InputInfo) must be implemented by an expression, as it may be called by this method.

Specified by:

iter in class IndexAccess

Parameters:

ctx - query context

Returns:

resulting item

plan

public void plan(FElem plan)

Description copied from class: ExprInfo

Creates an expression tree.

Overrides:

plan in class Simple

Parameters:

plan - root element

toString

public java.lang.String toString()

Specified by:

toString in class ExprInfo