ViewScopeManager

java.lang.Object
- org.omnifaces.cdi.viewscope.ViewScopeManager

All Implemented Interfaces:

Serializable, ViewScopeProvider
```
@SessionScoped
public class ViewScopeManager
extends Object
implements ViewScopeProvider, Serializable
```
Manage the view scoped beans by listening on view scope and session scope creation and destroy. The view scope destroy is done externally with aid of ViewScopeEventListener which is registered in faces-config.xml.

Since:

1.6

Author:

Radu Creanga , Bauke Scholtz

See Also:
ViewScoped, ViewScopeContext, Serialized Form

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`DEFAULT_MAX_ACTIVE_VIEW_SCOPES` Default value of maximum active view scopes in session.
`static String`	`PARAM_NAME_MAX_ACTIVE_VIEW_SCOPES` OmniFaces specific context parameter name of maximum active view scopes in session.
`static String`	`PARAM_NAME_MOJARRA_NUMBER_OF_VIEWS` Mojarra specific context parameter name of maximum number of logical views in session.
`static String`	`PARAM_NAME_MYFACES_NUMBER_OF_VIEWS` MyFaces specific context parameter name of maximum number of views in session.

Constructor Summary

Constructors
Constructor and Description

ViewScopeManager()

Constructors
Constructor and Description
`ViewScopeManager()`

Method Summary

Methods
Modifier and Type	Method and Description
`<T> T`	`createBean(Contextual<T> type, CreationalContext<T> context)` Create and returns the CDI view scoped managed bean from the current JSF view scope.
`<T> T`	`getBean(Contextual<T> type)` Returns the CDI view scoped managed bean from the current JSF view scope.
`void`	`postConstructSession()` Create a new LRU map of active view scopes with maximum weighted capacity depending on several context params.
`void`	`preDestroySession()` This method is invoked during session destroy, in that case destroy all beans in all active view scopes.
`void`	`preDestroyView()` This method is invoked during view destroy by `ViewScopeEventListener`, in that case destroy all beans in current active view scope.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - PARAM_NAME_MAX_ACTIVE_VIEW_SCOPES
```
public static final String PARAM_NAME_MAX_ACTIVE_VIEW_SCOPES
```
    OmniFaces specific context parameter name of maximum active view scopes in session.
    
    See Also:
    Constant Field Values
  - PARAM_NAME_MOJARRA_NUMBER_OF_VIEWS
```
public static final String PARAM_NAME_MOJARRA_NUMBER_OF_VIEWS
```
    Mojarra specific context parameter name of maximum number of logical views in session.
    
    See Also:
    Constant Field Values
  - PARAM_NAME_MYFACES_NUMBER_OF_VIEWS
```
public static final String PARAM_NAME_MYFACES_NUMBER_OF_VIEWS
```
    MyFaces specific context parameter name of maximum number of views in session.
    
    See Also:
    Constant Field Values
  - DEFAULT_MAX_ACTIVE_VIEW_SCOPES
```
public static final int DEFAULT_MAX_ACTIVE_VIEW_SCOPES
```
    Default value of maximum active view scopes in session.
    
    See Also:
    Constant Field Values
- Constructor Detail
  - ViewScopeManager
```
public ViewScopeManager()
```
- Method Detail
  - postConstructSession
```
@PostConstruct
public void postConstructSession()
```
    Create a new LRU map of active view scopes with maximum weighted capacity depending on several context params. See javadoc of ViewScoped for details.
  - createBean
```
public <T> T createBean(Contextual<T> type,
               CreationalContext<T> context)
```
    Create and returns the CDI view scoped managed bean from the current JSF view scope.
    
    Parameters:
    type - The contextual type of the CDI managed bean.
    context - The CDI context to create the CDI managed bean in.
    
    Returns:
    The created CDI view scoped managed bean from the current JSF view scope.
  - getBean
```
public <T> T getBean(Contextual<T> type)
```
    Returns the CDI view scoped managed bean from the current JSF view scope.
    
    Parameters:
    type - The contextual type of the CDI managed bean.
    
    Returns:
    The CDI view scoped managed bean from the current JSF view scope.
  - preDestroyView
```
public void preDestroyView()
```
    This method is invoked during view destroy by ViewScopeEventListener, in that case destroy all beans in current active view scope.
    
    Specified by:
    
    preDestroyView in interface ViewScopeProvider
  - preDestroySession
```
@PreDestroy
public void preDestroySession()
```
    This method is invoked during session destroy, in that case destroy all beans in all active view scopes.

Class ViewScopeManager

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

PARAM_NAME_MAX_ACTIVE_VIEW_SCOPES

PARAM_NAME_MOJARRA_NUMBER_OF_VIEWS

PARAM_NAME_MYFACES_NUMBER_OF_VIEWS

DEFAULT_MAX_ACTIVE_VIEW_SCOPES

Constructor Detail

ViewScopeManager

Method Detail

postConstructSession

createBean

getBean

preDestroyView

preDestroySession