org.fujion.ancillary

Class ComponentFactory

java.lang.Object

org.fujion.ancillary.ComponentFactory

public class ComponentFactory
extends Object

Factory used during component deserialization. Factory parameters may be modified during deserialization to provide control over component creation.

Constructor Summary

Constructors

Constructor and Description
ComponentFactory(ComponentDefinition def)

Method Summary

Modifier and Type	Method and Description
BaseComponent	create(Map<String,String> attributes) Creates a component instance from the definition using a factory context.
boolean	isInactive() Returns true if component creation has been inactivated.
protected void	setIf(boolean condition) Conditionally prevents the factory from creating a component.
protected void	setImplementationClass(Class<? extends BaseComponent> clazz) A special processor may modify the component's implementation class, as long as the substituted class is a subclass of the original.
protected void	setUnless(boolean condition) Conditionally prevents the factory from creating a component.

Methods inherited from class java.lang.Object

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

Constructor Detail

ComponentFactory

public ComponentFactory(ComponentDefinition def)

Method Detail

setImplementationClass

@Component.FactoryParameter(value="impl",
                            description="Component implementation class to substitute.")
protected void setImplementationClass(Class<? extends BaseComponent> clazz)

A special processor may modify the component's implementation class, as long as the substituted class is a subclass of the original.

Parameters:

clazz - Component implementation class to substitute.

setIf

@Component.FactoryParameter(value="if",
                            description="If false, prevent component creation.")
protected void setIf(boolean condition)

Conditionally prevents the factory from creating a component.

Parameters:

condition - If false, prevent factory from creating a component.

setUnless

@Component.FactoryParameter(value="unless",
                            description="If true, prevent component creation.")
protected void setUnless(boolean condition)

Conditionally prevents the factory from creating a component.

Parameters:

condition - If true, prevent factory from creating a component.

isInactive

public boolean isInactive()

Returns true if component creation has been inactivated.

Returns:

True prevents component creation.

create

public BaseComponent create(Map<String,String> attributes)

Creates a component instance from the definition using a factory context.

Parameters:

attributes - Attribute map for initializing.

Returns:

A component instance. May be null if creation is suppressed.