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java.lang.Objectorg.basex.query.ExprInfo
org.basex.query.xpath.expr.Expr
org.basex.query.xpath.func.Func
org.basex.query.xpath.func.Not
public final class Not
Constructor for not() function.
Field Summary |
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Fields inherited from class org.basex.query.xpath.func.Func |
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desc |
Constructor Summary | |
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Not(Expr[] arg)
Function Constructor. |
Method Summary | |
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boolean |
checkArguments()
Checks validity/number of arguments. |
Expr |
comp(XPContext ctx)
Optimizes the expression. |
Bln |
eval(XPContext ctx)
Evaluates the expression with the specified context set. |
Methods inherited from class org.basex.query.xpath.func.Func |
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evalArgs, plan, toString, usesPos, usesSize |
Methods inherited from class org.basex.query.xpath.expr.Expr |
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indexEquivalent, indexSizes, returnedValue, sameAs |
Methods inherited from class org.basex.query.ExprInfo |
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color, info, name |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public Not(Expr[] arg)
arg
- expression arrayMethod Detail |
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public Bln eval(XPContext ctx) throws QueryException
Expr
eval
in class Expr
ctx
- query context
QueryException
- evaluation exceptionpublic boolean checkArguments()
Func
checkArguments
in class Func
public Expr comp(XPContext ctx) throws QueryException
Expr
comp
in class Func
ctx
- expression context
QueryException
- evaluation exception
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