com.groiss.component
Class BeanManager

java.lang.Object
  com.groiss.component.BeanManager

public class BeanManager
extends Object

Manages transaction aware components (="beans"). The beans should implement javax.ejb.SessionSynchronization.

Constructor Summary

BeanManager()

Method Summary

static void	addBean(String key, Class<?> service) Add a bean to the list of known user bean classes.
static void	addBean(String key, Class<?> service, boolean isSystemBean) Add a bean to the list of known bean classes.
static void	bindThreadToTransaction(UserTransaction ut)
static void	commit() Commits the transaction and releases all beans.
static Object	getBean(String key) Gets a bean instance for a bean class registered with a key.
static UserTransaction	getUserTransaction() The client or the bean manager itself gets a UserTransaction.
static UserTransaction	getUserTransaction(String name) The client or the bean manager itself gets a UserTransaction.
static void	rollback() Rolls back the transaction and releases all beans.
static void	setExplicitTransactionMode(boolean value) If set to true, a thread will not get a usertransaction when calling method getUserTransaction() or method getUserTransaction(String) with null as parameter.
static void	unbindThreadFromTransaction()

Methods inherited from class java.lang.Object

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

Constructor Detail

BeanManager

public BeanManager()

Method Detail

getBean

public static Object getBean(String key)

Gets a bean instance for a bean class registered with a key.

Parameters:

key - the key which was used to register a bean class

Returns:

a bean instance

addBean

public static void addBean(String key,
                           Class<?> service,
                           boolean isSystemBean)

Add a bean to the list of known bean classes.

Parameters:

key - a unique key for the bean

service - the beans class

isSystemBean - true, if the bean is an internal @enterprise bean. Do not use this call in application code.

addBean

public static void addBean(String key,
                           Class<?> service)

Add a bean to the list of known user bean classes.

Parameters:

key - a unique key for the bean

service - the beans class

commit

public static void commit()

Commits the transaction and releases all beans.

rollback

public static void rollback()

Rolls back the transaction and releases all beans.

getUserTransaction

public static UserTransaction getUserTransaction()

The client or the bean manager itself gets a UserTransaction.

getUserTransaction

public static UserTransaction getUserTransaction(String name)

The client or the bean manager itself gets a UserTransaction.

bindThreadToTransaction

public static void bindThreadToTransaction(UserTransaction ut)

unbindThreadFromTransaction

public static void unbindThreadFromTransaction()

setExplicitTransactionMode

public static void setExplicitTransactionMode(boolean value)

If set to true, a thread will not get a usertransaction when calling method getUserTransaction() or method getUserTransaction(String) with null as parameter. Instead an exception will be thrown.