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java.lang.Objectorg.basex.query.ExprInfo
org.basex.query.xpath.expr.Expr
org.basex.query.xpath.expr.Arr
org.basex.query.xpath.expr.Cmp
public abstract class Cmp
Abstract Compare Expression.
Field Summary | |
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Comp |
type
Expression Type. |
Fields inherited from class org.basex.query.xpath.expr.Arr |
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expr |
Constructor Summary | |
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Cmp(Expr e1,
Expr e2)
Constructor. |
Method Summary | |
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Expr |
comp(XPContext ctx)
Optimizes the expression. |
Bln |
eval(XPContext ctx)
Evaluates the expression with the specified context set. |
void |
plan(Serializer ser)
Recursively sends the abstract syntax of this expression to the specified serializer. |
boolean |
standard()
Checks if this expression has a location path and Item as arguments. |
java.lang.String |
toString()
|
Methods inherited from class org.basex.query.xpath.expr.Arr |
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sameAs, usesPos, usesSize |
Methods inherited from class org.basex.query.xpath.expr.Expr |
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indexEquivalent, indexSizes, returnedValue |
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 |
Field Detail |
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public Comp type
Constructor Detail |
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public Cmp(Expr e1, Expr e2)
e1
- first expressione2
- second expression to compare with firstMethod Detail |
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public Expr comp(XPContext ctx) throws QueryException
Expr
comp
in class Arr
ctx
- expression context
QueryException
- evaluation exceptionpublic final Bln eval(XPContext ctx) throws QueryException
Expr
eval
in class Expr
ctx
- query context
QueryException
- evaluation exceptionpublic final boolean standard()
public final java.lang.String toString()
toString
in class ExprInfo
public void plan(Serializer ser) throws java.io.IOException
ExprInfo
plan
in class Arr
ser
- serializer
java.io.IOException
- exception
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