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java.lang.Objectorg.basex.query.ExprInfo
org.basex.query.xpath.expr.Expr
org.basex.query.xpath.expr.FTArrayExpr
org.basex.query.xpath.expr.FTUnion
public final class FTUnion
FTUnion Expression. This expresses the union of two FTContains results.
Field Summary |
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Fields inherited from class org.basex.query.xpath.expr.FTArrayExpr |
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fto |
Constructor Summary | |
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FTUnion(FTArrayExpr[] e)
Constructor. |
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FTUnion(FTArrayExpr[] e,
int[] posex)
Constructor. |
Method Summary | |
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Bln |
eval(XPContext ctx)
Evaluates the expression with the specified context set. |
boolean |
more()
Checks for more results. |
FTNode |
next(XPContext ctx)
Returns the next ftquery result. |
void |
plan(Serializer ser)
Recursively sends the abstract syntax of this expression to the specified serializer. |
Methods inherited from class org.basex.query.xpath.expr.FTArrayExpr |
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comp, indexEquivalent, indexOptions, pos, toString, usesPos, usesSize |
Methods inherited from class org.basex.query.xpath.expr.Expr |
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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 FTUnion(FTArrayExpr[] e)
e
- operands joined with the union operatorpublic FTUnion(FTArrayExpr[] e, int[] posex)
e
- operands joined with the union operatorposex
- pointer on exprs with positiv valuesMethod Detail |
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public boolean more()
FTArrayExpr
more
in class FTArrayExpr
public FTNode next(XPContext ctx)
FTArrayExpr
next
in class FTArrayExpr
ctx
- current context
public Bln eval(XPContext ctx) throws QueryException
Expr
eval
in class Expr
ctx
- query context
QueryException
- evaluation exceptionpublic void plan(Serializer ser) throws java.io.IOException
ExprInfo
plan
in class FTArrayExpr
ser
- serializer
java.io.IOException
- exception
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