org.apache.tapestry.binding

Class BeanBinding

java.lang.Object

org.apache.tapestry.binding.AbstractBinding

org.apache.tapestry.binding.BeanBinding

All Implemented Interfaces:

org.apache.hivemind.Locatable, IBinding

public class BeanBinding
extends AbstractBinding

Binding whose value is a named bean provided by a component.

Since:

4.0

Author:

Howard M. Lewis Ship

Constructor Summary

Constructors

Constructor and Description
BeanBinding(java.lang.String description, ValueConverter valueConverter, org.apache.hivemind.Location location, IComponent component, java.lang.String beanName)

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	getComponent() Returns the component to which this binding is connected; this is currently only used when building certain exceptions.
java.lang.Object	getObject() Returns the value of this binding.
boolean	isInvariant() Beans obtained via the binding should *not* be cached by the component because beans may be discarded inside the BeanProvider based on the life cycle of the bean.

Methods inherited from class org.apache.tapestry.binding.AbstractBinding

createReadOnlyBindingException, extendDescription, getDescription, getLocation, getObject, getValueConverter, setObject, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

BeanBinding

public BeanBinding(java.lang.String description,
           ValueConverter valueConverter,
           org.apache.hivemind.Location location,
           IComponent component,
           java.lang.String beanName)

Method Detail

isInvariant

public boolean isInvariant()

Beans obtained via the binding should *not* be cached by the component because beans may be discarded inside the BeanProvider based on the life cycle of the bean. The BeanProvider caches beans as well.

Specified by:

isInvariant in interface IBinding

Overrides:

isInvariant in class AbstractBinding

getComponent

public java.lang.Object getComponent()

Description copied from class: AbstractBinding

Returns the component to which this binding is connected; this is currently only used when building certain exceptions. This implementation returns null.

Overrides:

getComponent in class AbstractBinding

getObject

public java.lang.Object getObject()

Description copied from interface: IBinding

Returns the value of this binding. This is the essential method.