ch.ethz.mxquery.iterators
Class DescendantOrSelfIterator

java.lang.Object
  ch.ethz.mxquery.model.Iterator
      ch.ethz.mxquery.model.CurrentBasedIterator
          ch.ethz.mxquery.iterators.DescendantOrSelfIterator

All Implemented Interfaces:

XDMIterator, Traversable

public class DescendantOrSelfIterator
extends CurrentBasedIterator

Field Summary

static int	DESC_AXIS_DESCENDANT
static int	DESC_AXIS_DESCENDANT_OR_SELF
static int	DESC_AXIS_SLASHSLASH

Fields inherited from interface ch.ethz.mxquery.model.XDMIterator

EXPR_CATEGORY_SEQUENTIAL, EXPR_CATEGORY_SIMPLE, EXPR_CATEGORY_UPDATING, EXPR_CATEGORY_VACUOUS, EXPR_PARAM_CHEAPEVAL, EXPR_PARAM_VARIABLE, EXPR_PARAM_WINDOW, EXPR_PARAM_XDMGEN

Constructor Summary

DescendantOrSelfIterator(Context ctx, TypeInfo step, int descAxis, XDMIterator[] subIters, QueryLocation location)

DescendantOrSelfIterator(Context ctx, TypeInfo stepD, QueryLocation location, int descAxis)

DescendantOrSelfIterator(Context ctx, java.util.Vector ids, int idType, QueryLocation location)

Method Summary

int	getDepth()
Token	next() Produces the next XDM token This method typically implements the base functionality of an Iterator and computes the value of the next token.

Methods inherited from class ch.ethz.mxquery.model.Iterator

addPredicates, close, copy, copyInts, copyIterators, copyQNames, copyStrings, copyTypeInfos, getAllSubIters, getAllSubItersRecursive, getContext, getExpressionCategoryType, getLoc, getPendingUpdateList, getPredicates, getStaticType, getSubIters, hasPredicates, isConstModePreserve, isExprParameter, isOpen, isResettable, removePredicates, reset, setConstModePreserve, setContext, setLoc, setOrderByExpr, setParam, setResettable, setReturnExpr, setSubIters, setSubIters, setSubIters, setWhereExpr, traverse, traverseIteratorTree

Methods inherited from class java.lang.Object

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

Field Detail

DESC_AXIS_DESCENDANT

public static final int DESC_AXIS_DESCENDANT

See Also:

Constant Field Values

DESC_AXIS_DESCENDANT_OR_SELF

public static final int DESC_AXIS_DESCENDANT_OR_SELF

See Also:

Constant Field Values

DESC_AXIS_SLASHSLASH

public static final int DESC_AXIS_SLASHSLASH

See Also:

Constant Field Values

Constructor Detail

DescendantOrSelfIterator

public DescendantOrSelfIterator(Context ctx,
                                TypeInfo step,
                                int descAxis,
                                XDMIterator[] subIters,
                                QueryLocation location)
                         throws MXQueryException

Throws:

MXQueryException

DescendantOrSelfIterator

public DescendantOrSelfIterator(Context ctx,
                                TypeInfo stepD,
                                QueryLocation location,
                                int descAxis)
                         throws MXQueryException

Throws:

MXQueryException

DescendantOrSelfIterator

public DescendantOrSelfIterator(Context ctx,
                                java.util.Vector ids,
                                int idType,
                                QueryLocation location)
                         throws MXQueryException

Throws:

MXQueryException

Method Detail

next

public Token next()
           throws MXQueryException

Description copied from interface: XDMIterator

Produces the next XDM token This method typically implements the base functionality of an Iterator and computes the value of the next token.

Returns:

The XDM token representing the next fragment of the XDM instance

Throws:

MXQueryException

getDepth

public int getDepth()