org.basex.query.xquery.func
Class FunJava

java.lang.Object
  extended by org.basex.query.ExprInfo
      extended by org.basex.query.xquery.expr.Expr
          extended by org.basex.query.xquery.expr.Arr
              extended by org.basex.query.xquery.func.FunJava

public final class FunJava
extends Arr

Java function definition.

Author:
Workgroup DBIS, University of Konstanz 2005-08, ISC License, Christian Gruen

Nested Class Summary
 
Nested classes/interfaces inherited from class org.basex.query.xquery.expr.Expr
Expr.Return, Expr.Using
 
Field Summary
 
Fields inherited from class org.basex.query.xquery.expr.Arr
expr
 
Constructor Summary
FunJava(java.lang.Class<?> c, java.lang.String m, Expr[] a)
          Constructor.
 
Method Summary
 java.lang.String info()
          Returns a string description of the expression.
 Iter iter(XQContext 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.
 java.lang.String toString()
           
static Type type(java.lang.Class<?> par)
          Returns an appropriate XQuery data type for the specified Java class.
static Type type(java.lang.Object o)
          Returns an appropriate XQuery data type for the specified Java object.
 
Methods inherited from class org.basex.query.xquery.expr.Arr
comp, returned, uses
 
Methods inherited from class org.basex.query.xquery.expr.Expr
e, i
 
Methods inherited from class org.basex.query.ExprInfo
color, name
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

FunJava

public FunJava(java.lang.Class<?> c,
               java.lang.String m,
               Expr[] a)
Constructor.

Parameters:
c - Java class
m - Java method/field
a - arguments
Method Detail

iter

public Iter iter(XQContext ctx)
          throws XQException
Description copied from class: Expr
Evaluates the expression and returns an iterator on the resulting items.

Specified by:
iter in class Expr
Parameters:
ctx - query context
Returns:
resulting item
Throws:
XQException - evaluation exception

type

public static Type type(java.lang.Class<?> par)
Returns an appropriate XQuery data type for the specified Java class.

Parameters:
par - Java type
Returns:
xquery type

type

public static Type type(java.lang.Object o)
Returns an appropriate XQuery data type for the specified Java object.

Parameters:
o - object
Returns:
xquery type

toString

public java.lang.String toString()
Specified by:
toString in class ExprInfo

info

public java.lang.String info()
Description copied from class: ExprInfo
Returns a string description of the expression. Contrary to the ExprInfo.toString() method, the current expressions aren't included in the output.

Overrides:
info in class ExprInfo
Returns:
result of check

plan

public void plan(Serializer ser)
          throws java.io.IOException
Description copied from class: ExprInfo
Recursively sends the abstract syntax of this expression to the specified serializer.

Overrides:
plan in class Arr
Parameters:
ser - serializer
Throws:
java.io.IOException - exception