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java.lang.Objectorg.basex.query.ExprInfo
org.basex.query.expr.Expr
org.basex.query.expr.Arr
org.basex.query.expr.FunCall
public final class FunCall
Function call.
Nested Class Summary |
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Nested classes/interfaces inherited from class org.basex.query.expr.Expr |
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Expr.Use |
Field Summary |
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Fields inherited from class org.basex.query.expr.Arr |
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expr |
Constructor Summary | |
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FunCall(int i,
Expr[] a)
Function constructor. |
Method Summary | |
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Expr |
comp(QueryContext ctx)
Optimizes and compiles the expression. |
String |
info()
Returns a string description of the expression. |
Iter |
iter(QueryContext ctx)
Evaluates the expression and returns an iterator on the resulting items. |
void |
plan(Serializer ser)
Recursively sends the abstract syntax of this expression to the specified serializer. |
Return |
returned(QueryContext ctx)
Indicates the return type of an expression. |
String |
toString()
|
boolean |
uses(Expr.Use u,
QueryContext ctx)
Indicates if an expression uses the specified type. |
Methods inherited from class org.basex.query.expr.Arr |
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duplicates, indexEquivalent, removable, remove |
Methods inherited from class org.basex.query.expr.Expr |
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addText, atomic, checkCtx, checkDbl, checkItr, e, ebv, i, indexAccessible, sameAs, size, test, v |
Methods inherited from class org.basex.query.ExprInfo |
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color, 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 FunCall(int i, Expr[] a)
i
- function ida
- argumentsMethod Detail |
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public Expr comp(QueryContext ctx) throws QueryException
Expr
comp
in class Arr
ctx
- query context
QueryException
- query exceptionpublic Iter iter(QueryContext ctx) throws QueryException
Expr
Expr.atomic(org.basex.query.QueryContext)
must be implemented.
iter
in class Expr
ctx
- query context
QueryException
- query exceptionpublic Return returned(QueryContext ctx)
Expr
returned
in class Expr
ctx
- query context
public boolean uses(Expr.Use u, QueryContext ctx)
Expr
true
is returned by default and thus assumed as "worst-case".
uses
in class Arr
u
- use type to be checkedctx
- query context
public void plan(Serializer ser) throws IOException
ExprInfo
plan
in class Arr
ser
- serializer
IOException
- I/O exceptionpublic String info()
ExprInfo
ExprInfo.toString()
method, arguments are not included
in the output.
info
in class ExprInfo
public String toString()
toString
in class ExprInfo
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