net.sf.jga.fn.property
Class ConstructDefault<R>

java.lang.Object
  net.sf.jga.fn.Functor<R>
      net.sf.jga.fn.Generator<R>
          net.sf.jga.fn.property.ConstructDefault<R>

All Implemented Interfaces:

java.io.Serializable, Visitable

public class ConstructDefault<R>
extends Generator<R>

Generator that constructs an object of the given class using its default constructor.

Copyright © 2004-2005 David A. Hall

Author:

David A. Hall

See Also:

Serialized Form

Nested Class Summary

static interface

ConstructDefault.Visitor Interface for classes that may interpret a ConstructDefault functor.

Constructor Summary

ConstructDefault(java.lang.Class<R> ctorclass)
Builds a generator that will return instances of the class ctorclass, built using the default constructor.

Method Summary

void	accept(Visitor v) Calls the Visitor's visit(ConstructDefault) method, if it implements the nested Visitor interface.
R	fn() Builds an object via the default constructor
java.lang.reflect.Constructor<R>	getConstructor() Lazily loads the constructor
java.lang.String	toString()

Methods inherited from class net.sf.jga.fn.Generator

bind0th, bindNth, eval

Methods inherited from class net.sf.jga.fn.Functor

composeNth, composeNth, generateNth

Methods inherited from class java.lang.Object

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

Constructor Detail

ConstructDefault

public ConstructDefault(java.lang.Class<R> ctorclass)

Builds a generator that will return instances of the class ctorclass, built using the default constructor.

Throws:

java.lang.IllegalArgumentException - if the constructor cannot be found

java.lang.IllegalArgumentException - if the class argument is omitted or does not define an accessible default constructor.

Method Detail

getConstructor

public java.lang.reflect.Constructor<R> getConstructor()
                                                throws java.lang.NoSuchMethodException

Lazily loads the constructor

Throws:

java.lang.NoSuchMethodException

fn

public R fn()

Builds an object via the default constructor

Specified by:

fn in class Generator<R>

Returns:

the object built by the constructor

accept

public void accept(Visitor v)

Calls the Visitor's visit(ConstructDefault) method, if it implements the nested Visitor interface.

Specified by:

accept in interface Visitable

Overrides:

accept in class Functor<R>

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object