com.caucho.webbeans.component
Class SingletonClassComponent

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

All Implemented Interfaces:

ObjectProxy, java.io.Closeable, ComponentFactory

public class SingletonClassComponent
extends ClassComponent
implements java.io.Closeable

Configuration for a singleton component.

Field Summary

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

_destroyProgram, _initProgram, _injectProgram, _scope, _webbeans

Constructor Summary

SingletonClassComponent(WbWebBeans webbeans)

Method Summary

void	close() Frees the singleton on environment shutdown
protected java.lang.Object	createNew(ConfigContext env) The singleton instance is created in its original class loader context
java.lang.Object	get() Returns the singleton object
java.lang.Object	get(ConfigContext env) Returns the singleton object
java.lang.Object	getIfExists() Returns the singleton object
protected java.lang.Object	init(java.lang.Object value, ConfigContext env) The singleton instance is initialized in its original class loader context

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

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

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

SingletonClassComponent

public SingletonClassComponent(WbWebBeans webbeans)

Method Detail

getIfExists

public java.lang.Object getIfExists()

Returns the singleton object

Overrides:

getIfExists in class ComponentImpl

get

public java.lang.Object get()

Returns the singleton object

Specified by:

get in interface ComponentFactory

Overrides:

get in class ComponentImpl

get

public java.lang.Object get(ConfigContext env)

Returns the singleton object

Overrides:

get in class ClassComponent

createNew

protected java.lang.Object createNew(ConfigContext env)

The singleton instance is created in its original class loader context

Overrides:

createNew in class ClassComponent

Parameters:

env - the configuration environment

Returns:

the new object

init

protected java.lang.Object init(java.lang.Object value,
                                ConfigContext env)

The singleton instance is initialized in its original class loader context

Overrides:

init in class ComponentImpl

close

public void close()

Frees the singleton on environment shutdown

Specified by:

close in interface java.io.Closeable