com.caucho.webbeans.component
Class SingletonComponent

java.lang.Object
  com.caucho.webbeans.component.ComponentImpl
      com.caucho.webbeans.component.ClassComponent
          com.caucho.webbeans.component.SingletonComponent

All Implemented Interfaces:

ObjectProxy, java.io.Closeable, ComponentFactory

public class SingletonComponent
extends ClassComponent
implements java.io.Closeable

Component for a singleton beans

Field Summary

Fields inherited from class com.caucho.webbeans.component.ComponentImpl

_destroyProgram, _initProgram, _injectProgram, _scope, _webbeans

Constructor Summary

SingletonComponent(WbWebBeans webBeans, java.lang.Object value)

SingletonComponent(WebBeansContainer webBeans, java.lang.Object value)

Method Summary

void	bind() Binds parameters
void	close() Frees the singleton on environment shutdown
java.lang.Object	create() Creates a new instance of the component.
protected java.lang.Object	createNew(ConfigContext env) Creates a new instance of the component
java.lang.Object	get() Returns the component object, creating if necessary
java.lang.Object	get(ConfigContext env) Creates a new instance of the component.
void	init() Complete initialization
void	introspectConstructor() Introspects the constructor
void	setScope(ScopeContext scope) Sets the scope annotation.

Methods inherited from class com.caucho.webbeans.component.ClassComponent

createArg, getInstanceClass, getMBeanInterface, getMBeanName, introspect, introspectBindings, introspectInterceptors, introspectObservers, setConstructor, setInstanceClass, setMBeanName, setNewArgs

Methods inherited from class com.caucho.webbeans.component.ComponentImpl

addNameBinding, addProgram, createNoInit, createObject, createProgram, destroy, destroy, equals, error, getBindingList, getClassName, getHandle, getIfExists, getName, getScope, getScopeId, getSimpleName, getTargetClass, getTargetSimpleName, getTargetType, getType, getWebBeans, init, introspectScope, isDestroyPresent, isFromClass, isMatch, isMatch, isMatchByBinding, isMatchByBinding, isSingleton, setBindingList, setFromClass, setInit, setName, setTargetType, setType, toDebugString, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

SingletonComponent

public SingletonComponent(WbWebBeans webBeans,
                          java.lang.Object value)

SingletonComponent

public SingletonComponent(WebBeansContainer webBeans,
                          java.lang.Object value)

Method Detail

bind

public void bind()

Description copied from class: ClassComponent

Binds parameters

Overrides:

bind in class ClassComponent

introspectConstructor

public void introspectConstructor()

Description copied from class: ClassComponent

Introspects the constructor

Overrides:

introspectConstructor in class ClassComponent

init

public void init()

Complete initialization

Overrides:

init in class ClassComponent

setScope

public void setScope(ScopeContext scope)

Description copied from class: ComponentImpl

Sets the scope annotation.

Overrides:

setScope in class ComponentImpl

get

public java.lang.Object get()

Description copied from class: ComponentImpl

Returns the component object, creating if necessary

Specified by:

get in interface ComponentFactory

Overrides:

get in class ComponentImpl

get

public java.lang.Object get(ConfigContext env)

Description copied from class: ClassComponent

Creates a new instance of the component.

Overrides:

get in class ClassComponent

create

public java.lang.Object create()

Description copied from class: ComponentImpl

Creates a new instance of the component.

Specified by:

create in interface ComponentFactory

Overrides:

create in class ComponentImpl

createNew

protected java.lang.Object createNew(ConfigContext env)

Description copied from class: ComponentImpl

Creates a new instance of the component

Overrides:

createNew in class ClassComponent

Parameters:

env - the configuration environment

Returns:

the new object

close

public void close()

Frees the singleton on environment shutdown

Specified by:

close in interface java.io.Closeable