Package org.eclipse.jetty.plus.annotation

Class LifeCycleCallbackCollection

java.lang.Object

org.eclipse.jetty.plus.annotation.LifeCycleCallbackCollection

public class LifeCycleCallbackCollection
extends Object

LifeCycleCallbackCollection This class collects the classes and methods that have been configured in web.xml with postconstruct/predestroy callbacks, or that contain the equivalent annotations. It is also responsible for calling the callbacks. This class is not threadsafe for concurrent modifications, but is threadsafe for reading with concurrent modifications.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	LIFECYCLE_CALLBACK_COLLECTION

Constructor Summary

Constructors

Constructor	Description
LifeCycleCallbackCollection()

Method Summary

Modifier and Type	Method	Description
void	add(LifeCycleCallback callback)	Add a Callback to the list of callbacks.
void	callPostConstructCallback(Object o)	Call the method, if one exists, that is annotated with @PostConstruct or with <post-construct> in web.xml
void	callPreDestroyCallback(Object o)	Call the method, if one exists, that is annotated with @PreDestroy or with <pre-destroy> in web.xml
Map<String,Set<LifeCycleCallback>>	getPostConstructCallbackMap()	Generate a read-only view of the post-construct callbacks
Collection<LifeCycleCallback>	getPostConstructCallbacks()	Amalgamate all post-construct callbacks and return a read only set
Set<LifeCycleCallback>	getPostConstructCallbacks(Object o)
Map<String,Set<LifeCycleCallback>>	getPreDestroyCallbackMap()	Generate a read-only view of the pre-destroy callbacks
Collection<LifeCycleCallback>	getPreDestroyCallbacks()	Amalgamate all pre-destroy callbacks and return a read only set
Set<LifeCycleCallback>	getPreDestroyCallbacks(Object o)

Methods inherited from class java.lang.Object

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

Field Details

LIFECYCLE_CALLBACK_COLLECTION

public static final String LIFECYCLE_CALLBACK_COLLECTION

See Also:

• Constant Field Values

Constructor Details

LifeCycleCallbackCollection

public LifeCycleCallbackCollection()

Method Details

add

public void add(LifeCycleCallback callback)

Add a Callback to the list of callbacks.

Parameters:

callback - the callback

getPreDestroyCallbacks

public Set<LifeCycleCallback> getPreDestroyCallbacks(Object o)

getPreDestroyCallbacks

public Collection<LifeCycleCallback> getPreDestroyCallbacks()

Amalgamate all pre-destroy callbacks and return a read only set

Returns:

the collection of PreDestroyCallbacks

getPostConstructCallbacks

public Set<LifeCycleCallback> getPostConstructCallbacks(Object o)

getPostConstructCallbacks

public Collection<LifeCycleCallback> getPostConstructCallbacks()

Amalgamate all post-construct callbacks and return a read only set

Returns:

the collection of PostConstructCallbacks

callPostConstructCallback

public void callPostConstructCallback(Object o)
                               throws Exception

Call the method, if one exists, that is annotated with @PostConstruct or with <post-construct> in web.xml

Parameters:

o - the object on which to attempt the callback

Throws:

Exception - if unable to call PostConstructCallback

callPreDestroyCallback

public void callPreDestroyCallback(Object o)
                            throws Exception

Call the method, if one exists, that is annotated with @PreDestroy or with <pre-destroy> in web.xml

Parameters:

o - the object on which to attempt the callback

Throws:

Exception - if unable to call PreDestroyCallback

getPostConstructCallbackMap

public Map<String,Set<LifeCycleCallback>> getPostConstructCallbackMap()

Generate a read-only view of the post-construct callbacks

Returns:

the map of PostConstructCallbacks

getPreDestroyCallbackMap

public Map<String,Set<LifeCycleCallback>> getPreDestroyCallbackMap()

Generate a read-only view of the pre-destroy callbacks

Returns:

the map of PreDestroyCallbacks