public final class InspectFunctions extends StandardFunc
sc, sig
Constructor and Description |
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InspectFunctions() |
Modifier and Type | Method and Description |
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boolean |
has(Expr.Flag flag)
Indicates if an expression has the specified compiler property.
|
Iter |
iter(QueryContext qc)
Evaluates the expression and returns an iterator on the resulting items.
|
protected Expr |
opt(QueryContext qc,
VarScope scp)
Performs function specific optimizations.
|
arg, cache, checkAdmin, checkArity, checkCreate, checkData, checkPath, compile, copy, dataLock, dateTimeToMs, description, isFunction, isVacuous, oneOf, optimize, plan, sameAs, serialize, toBindings, toCollation, toDBNode, toEncoding, toOptions, toPath, toString
accept, allAreValues, checkUp, copyAll, count, exprSize, inline, oneIsEmpty, removable, toString
atomItem, atomValue, checkAtomic, checkNoEmpty, checkNoEmpty, checkNoneUp, checkNoUp, checkType, compBln, copyType, ctxValue, ebv, item, optPre, optPre, preEval, seqType, seqType, size, test, toArray, toArray, toAtomItem, toB64, toB64, toBin, toBin, toBoolean, toBoolean, toBytes, toBytes, toDouble, toDouble, toElem, toEmptyNode, toEmptyToken, toFloat, toFunc, toItem, toLong, toLong, toMap, toMap, toNode, toNode, toNumber, toQNm, toQNm, toToken, toToken, value
atomIter, data, hasFreeVars, indexAccessible, inlineAll, isEmpty, isValue, iterable, markTailCalls, optimizeEbv, typeCheck, uses, visitAll
public Iter iter(QueryContext qc) throws QueryException
Expr
Expr.item(QueryContext, InputInfo)
must be implemented
by an expression, as it may be called by this method.iter
in class ParseExpr
qc
- query contextQueryException
- query exceptionprotected Expr opt(QueryContext qc, VarScope scp) throws QueryException
StandardFunc
opt
in class StandardFunc
qc
- query contextscp
- variable scopeQueryException
- query exceptionpublic boolean has(Expr.Flag flag)
Expr
true
if at least one test is successful.has
in class StandardFunc
flag
- flag to be foundCopyright © 2005–2015 BaseX Team. All rights reserved.