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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.FNXQuery
public final class FNXQuery
XQuery functions.
Nested Class Summary |
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Nested classes/interfaces inherited from class org.basex.query.expr.Expr |
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Expr.Flag |
Field Summary |
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Fields inherited from class org.basex.query.expr.Arr |
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expr |
Fields inherited from class org.basex.query.expr.ParseExpr |
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info, size, type |
Constructor Summary | |
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FNXQuery(InputInfo ii,
Function f,
Expr... e)
Constructor. |
Method Summary | |
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boolean |
accept(ASTVisitor visitor)
Traverses this expression, notifying the visitor of declared and used variables, and checking the tree for other recursive properties. |
Iter |
iter(QueryContext ctx)
Evaluates the expression and returns an iterator on the resulting items. |
protected Expr |
opt(QueryContext ctx)
Performs function specific optimizations. |
Value |
value(QueryContext ctx)
Evaluates the expression and returns the resulting value. |
Methods inherited from class org.basex.query.func.StandardFunc |
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atom, bindings, cache, checkData, checkFile, compile, copy, dataLock, dateTimeToMs, description, encoding, has, isFunction, isVacuous, oneOf, optimize, plan, toString |
Methods inherited from class org.basex.query.expr.Arr |
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allAreValues, checkNoUp, checkUp, copyAll, count, exprSize, indexEquivalent, inline, removable, toString |
Methods inherited from class org.basex.query.expr.ParseExpr |
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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, item, optPre, preEval, size, test, type |
Methods inherited from class org.basex.query.expr.Expr |
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addText, compEbv, copy, hasFreeVars, indexAccessible, inlineAll, isEmpty, isItem, isValue, iterable, markTailCalls, sameAs, uses, visitAll |
Methods inherited from class org.basex.data.ExprInfo |
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addPlan, addPlan, info, planAttr, planElem |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public FNXQuery(InputInfo ii, Function f, Expr... e)
ii
- input infof
- function definitione
- argumentsMethod Detail |
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public Iter iter(QueryContext ctx) throws QueryException
Expr
Expr.item(org.basex.query.QueryContext, org.basex.util.InputInfo)
must be implemented
by an expression, as it may be called by this method.
iter
in class ParseExpr
ctx
- query context
QueryException
- query exceptionpublic Value value(QueryContext ctx) throws QueryException
Expr
value
in class ParseExpr
ctx
- query context
QueryException
- query exceptionprotected Expr opt(QueryContext ctx) throws QueryException
StandardFunc
opt
in class StandardFunc
ctx
- query context
QueryException
- query exceptionpublic boolean accept(ASTVisitor visitor)
Expr
accept
in class Arr
visitor
- visitor
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