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Java Source Code / Java Documentation » Database ORM » MMBase » org.mmbase.util.functions

Source Cross Reference Class Diagram Java Document (Java Doc)

org.mmbase.util.functions .BeanFunction

BeanFunction
public class BeanFunction extends AbstractFunction
	One or more functions based on a Java-bean. Every setter method of the bean corresponds with one parameter. The default value of the parameter can be defined with the getter method (which will be called immediately after instantiation of such a Class). All other methods (with no arguments) of the class correspond to the functions. So, you can implement more bean-functions in the same class, as long as they have the same parameters. A BeanFunction can be aquired via FunctionFactory.getFunction(ClassString) (which delegates to a static method in this class). author: Michiel Meeuwissen version: $Id: BeanFunction.java,v 1.25 2008/02/03 17:33:57 nklasens Exp $ See Also: org.mmbase.util.functions.MethodFunction See Also: org.mmbase.util.functions.FunctionFactory since: MMBase-1.8

Inner Class :abstract public static class Producer

Constructor Summary
public	BeanFunction(Object bean, String name)

Method Summary
public static Class	getClass(Class claz, String name) Utility function, searches an inner class of a given class.
public static BeanFunction	getFunction(Class claz, String name, Producer producer) Gives back a Function object based on the 'bean' concept. Parameters: claz - The class which must be considered a 'bean' function Parameters: name - The name of the function (the name of a Method in the given class) Parameters: producer - An object that can produce in instance of the class`claz`.
public static BeanFunction	getFunction(Class claz, String name)
public Object	getFunctionValue(Parameters parameters) Instantiates the bean, calls all setters using the parameters, and executes the method associated with this function.
public static Object	getInstance(Class claz, Object constructorArgument) Utitily function to create an instance of a certain class.
public Producer	getProducer()
public static void	main(String[] argv)

Constructor Detail

BeanFunction
public BeanFunction(Object bean, String name) throws IllegalAccessException, InstantiationException, InvocationTargetException(Code)
	since: MMBase-1.8.5

Method Detail

getClass
public static Class getClass(Class claz, String name)(Code)
	Utility function, searches an inner class of a given class. This inner class can perhaps be used as a bean. Used in JSP/taglib. Parameters: claz - The class to be considered Parameters: name - The name of the inner class throws: IllegalArgumentException - if claz has no inner class with that name

getFunction
public static BeanFunction getFunction(Class claz, String name, Producer producer) throws IllegalAccessException, InstantiationException, InvocationTargetException(Code)
	Gives back a Function object based on the 'bean' concept. Parameters: claz - The class which must be considered a 'bean' function Parameters: name - The name of the function (the name of a Method in the given class) Parameters: producer - An object that can produce in instance of the class`claz`. Defaults to a producer that simply calls `claz.newInstance()` since: MMBase-1.8.5

getFunction
public static BeanFunction getFunction(Class claz, String name) throws IllegalAccessException, InstantiationException, InvocationTargetException(Code)
	Called from FunctionFactory

getFunctionValue
public Object getFunctionValue(Parameters parameters)(Code)
	Instantiates the bean, calls all setters using the parameters, and executes the method associated with this function.

getInstance
public static Object getInstance(Class claz, Object constructorArgument) throws IllegalAccessException, InstantiationException, InvocationTargetException(Code)
	Utitily function to create an instance of a certain class. Two constructors are tried, a one argument one, and if that fails, simply newInstance is used. since: MMBase-1.8.5

getProducer
public Producer getProducer()(Code)
	since: MMBase-1.8.5

main
public static void main(String[] argv) throws Exception(Code)

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