ch.ethz.mxquery.iterators.forseq
Class ForseqGeneralIterator

java.lang.Object
  ch.ethz.mxquery.model.Iterator
      ch.ethz.mxquery.model.TokenBasedIterator
          ch.ethz.mxquery.iterators.forseq.ForseqIterator
              ch.ethz.mxquery.iterators.forseq.ForseqGeneralIterator

All Implemented Interfaces:

XDMIterator, Traversable

public final class ForseqGeneralIterator
extends ForseqIterator

This was the first implementation of General FORSEQ. Unfortunatly this implementnation is not already order by start end.

Field Summary

Fields inherited from class ch.ethz.mxquery.iterators.forseq.ForseqIterator

GENERAL_WINDOW, LANDMARK_WINDOW, ORDER_MODE_END, ORDER_MODE_ENDSTART, ORDER_MODE_NONE, SLIDING_WINDOW, TUMBLING_WINDOW

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

ForseqGeneralIterator(Context ctx, int windowType, QName var, TypeInfo t, XDMIterator seq, int orderMode, QueryLocation location)

Method Summary

Window

assignWindow() Generating all subsequences by the use of the binary integer representation

Methods inherited from class ch.ethz.mxquery.iterators.forseq.ForseqIterator

copy, getForseqVariable, isParallelAccess, next, setParallelAccess

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

addPredicates, close, 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

Constructor Detail

ForseqGeneralIterator

public ForseqGeneralIterator(Context ctx,
                             int windowType,
                             QName var,
                             TypeInfo t,
                             XDMIterator seq,
                             int orderMode,
                             QueryLocation location)

Method Detail

assignWindow

public Window assignWindow()
                    throws MXQueryException

Generating all subsequences by the use of the binary integer representation

Returns:

the window that has been assigned

Throws:

MXQueryException