|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectorg.basex.data.ExprInfo
org.basex.query.expr.Expr
org.basex.query.expr.ParseExpr
org.basex.query.expr.Arr
org.basex.query.func.StandardFunc
org.basex.query.func.FNHash
public final class FNHash
Hashing functions.
Nested Class Summary |
---|
Nested classes/interfaces inherited from class org.basex.query.expr.Expr |
---|
Expr.Flag |
Field Summary |
---|
Fields inherited from class org.basex.query.expr.Arr |
---|
expr |
Fields inherited from class org.basex.query.expr.ParseExpr |
---|
info, size, type |
Constructor Summary | |
---|---|
FNHash(InputInfo ii,
Function f,
Expr... e)
Constructor. |
Method Summary | |
---|---|
Item |
item(QueryContext ctx,
InputInfo ii)
Evaluates the expression and returns the resulting item or a null reference, if the expression yields an empty sequence. |
Methods inherited from class org.basex.query.func.StandardFunc |
---|
atom, bindings, cache, checkData, checkFile, compile, copy, dataLock, dateTimeToMs, description, encoding, has, isFunction, isVacuous, oneOf, opt, optimize, plan, toString |
Methods inherited from class org.basex.query.expr.Arr |
---|
accept, allAreValues, checkNoUp, checkUp, copyAll, count, exprSize, indexEquivalent, inline, removable, toString |
Methods inherited from class org.basex.query.expr.ParseExpr |
---|
checkAdmin, checkAllUp, checkBinary, checkBln, checkColl, checkCreate, checkCtx, checkDbl, checkDBNode, checkEStr, checkEStr, checkFunc, checkItem, checkItr, checkItr, checkMap, checkNode, checkNode, checkNode, checkNoEmpty, checkNoneUp, checkNoUp, checkQNm, checkStr, checkStr, checkStrBin, checkType, checkWrite, compBln, copyType, ebv, iter, optPre, preEval, size, test, type, value |
Methods inherited from class org.basex.query.expr.Expr |
---|
addText, compEbv, copy, hasFreeVars, indexAccessible, inlineAll, isEmpty, isItem, isValue, iterable, markTailCalls, sameAs, uses, visitAll |
Methods inherited from class org.basex.data.ExprInfo |
---|
addPlan, addPlan, info, planAttr, planElem |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
---|
public FNHash(InputInfo ii, Function f, Expr... e)
ii
- input infof
- function definitione
- argumentsMethod Detail |
---|
public Item item(QueryContext ctx, InputInfo ii) throws QueryException
Expr
null
reference, if the expression yields an empty sequence.
If this method is not overwritten, Expr.iter(org.basex.query.QueryContext)
must be implemented
by an expression, as it may be called by this method.
item
in class ParseExpr
ctx
- query contextii
- input info
QueryException
- query exception
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |