info.javelot.functionalj.reflect.function
Class DynReflectFunction

java.lang.Object
  info.javelot.functionalj.reflect.function.DynReflectFunction

All Implemented Interfaces:

FunctionN

public class DynReflectFunction

extends Object

implements FunctionN

Function to dynamically invoke a reflect element from a list of possible targets.

Author:

Copyright © 2006 Frederic Daoud

Constructor Summary

DynReflectFunction(ReflectElement[] p_elements, ReflectParameters p_rp)
Constructs a function to invoke one of the possible reflect elements.

DynReflectFunction(ReflectElement[] p_elements, ReflectParameters p_rp, Object[] p_params)
Constructs a function to invoke one of the possible reflect elements, with some parameters already bound to the function.

Method Summary

FunctionN	bind(int p_index, Object p_param) Binds, at the specified index, the given parameter of this function of N parameters to return a new function of (N-1) parameters.
FunctionN	bind(Object[] p_params) Binds the given M parameters of this function of N parameters to return a new function of (N-M) parameters.
Object	call() Calls the function and returns the result.
Object	call(Object[] p_params) Calls the function and returns the result.
Function0	f0() Returns this function as a function of no parameters.
Function1	f1() Returns this function as a function of 1 parameter.
Function2	f2() Returns this function as a function of 2 parameters.
Function3	f3() Returns this function as a function of 3 parameters.
Function4	f4() Returns this function as a function of 4 parameters.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DynReflectFunction

public DynReflectFunction(ReflectElement[] p_elements,
                          ReflectParameters p_rp)

Constructs a function to invoke one of the possible reflect elements.

Parameters:

p_elements - the reflect elements.

p_rp - the mechanism to determine elements that are compatible with parameters.

DynReflectFunction

public DynReflectFunction(ReflectElement[] p_elements,
                          ReflectParameters p_rp,
                          Object[] p_params)

Constructs a function to invoke one of the possible reflect elements, with some parameters already bound to the function.

Parameters:

p_elements - the reflect elements.

p_rp - the mechanism to determine elements that are compatible with parameters.

p_params - the parameters that have been bound to the function.

Method Detail

call

public Object call(Object[] p_params)
            throws FunctionException

Description copied from interface: FunctionN

Calls the function and returns the result.

Specified by:

call in interface FunctionN

Parameters:

p_params - the parameters to the function.

Returns:

the result of the function call.

Throws:

FunctionException - thrown if an exception occurs during the function call.

call

public Object call()
            throws FunctionException

Description copied from interface: FunctionN

Calls the function and returns the result.

Specified by:

call in interface FunctionN

Returns:

the result of the function call.

Throws:

FunctionException - thrown if an exception occurs during the function call.

bind

public FunctionN bind(Object[] p_params)
               throws FunctionException

Description copied from interface: FunctionN

Binds the given M parameters of this function of N parameters to return a new function of (N-M) parameters.

Specified by:

bind in interface FunctionN

Parameters:

p_params - the M parameters to bind to the function.

Returns:

a new function of (N-M) parameters.

Throws:

FunctionException

bind

public FunctionN bind(int p_index,
                      Object p_param)

Description copied from interface: FunctionN

Binds, at the specified index, the given parameter of this function of N parameters to return a new function of (N-1) parameters.

Specified by:

bind in interface FunctionN

Parameters:

p_index - the index at which to bind the parameter.

p_param - the parameter to bind to the function.

Returns:

a new function of (N-1) parameters.

f0

public Function0 f0()
             throws FunctionException

Description copied from interface: FunctionN

Returns this function as a function of no parameters.

Specified by:

f0 in interface FunctionN

Returns:

this function of N parameters as a function of no parameters.

Throws:

FunctionException

f1

public Function1 f1()
             throws FunctionException

Description copied from interface: FunctionN

Returns this function as a function of 1 parameter.

Specified by:

f1 in interface FunctionN

Returns:

this function of N parameters as a function of 1 parameter.

Throws:

FunctionException

f2

public Function2 f2()
             throws FunctionException

Description copied from interface: FunctionN

Returns this function as a function of 2 parameters.

Specified by:

f2 in interface FunctionN

Returns:

this function of N parameters as a function of 2 parameters.

Throws:

FunctionException

f3

public Function3 f3()
             throws FunctionException

Description copied from interface: FunctionN

Returns this function as a function of 3 parameters.

Specified by:

f3 in interface FunctionN

Returns:

this function of N parameters as a function of 3 parameters.

Throws:

FunctionException

f4

public Function4 f4()
             throws FunctionException

Description copied from interface: FunctionN

Returns this function as a function of 4 parameters.

Specified by:

f4 in interface FunctionN

Returns:

this function of N parameters as a function of 4 parameters.

Throws:

FunctionException