Overview | Package | Class | Tree | Deprecated | Index | Help
PREV CLASS NEXT CLASS | FRAMES NO FRAMES
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD

## org.jboss.txbridge.ba.datamgmt
Class DataManagerProvider

    java.lang.Object
      org.jboss.txbridge.ba.datamgmt.DataManagerProvider

    public class DataManagerProvider

extends java.lang.Object

This component is responsible for ensuring that a proper Data Manager is provided during execution of a service or a completion or compensation action. It associates data managers with proper threads of execution.

Version:
  0.1
Author:
  Maciej P. Machulak (mmachulak@redhat.com)

Field Summary
`private static java.util.concurrent.ConcurrentMap<java.lang.Long,DataManager>` | `cmList`
`private static DataManagerProvider` | `cmp`
`private static org.apache.log4j.Logger` | `log`

Constructor Summary
`private` | `DataManagerProvider()`

Method Summary
`void` | `associateManager(java.lang.Long thread, DataManager cmp)` This method associates a data manager with a given thread of execution.
`DataManager` | `getManager(java.lang.Long thread)` This method returns the data manager object associated to a certain thread of execution.
`static DataManagerProvider` | `getSingletonInstance()` Returns the instance of a data manager provider.
`void` | `removeManager(java.lang.Long thread)` This method removes the association of a thread and a data manager.

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

Field Detail

### log

    private static org.apache.log4j.Logger log

### cmp

    private static volatile DataManagerProvider cmp

### cmList

    private static java.util.concurrent.ConcurrentMap<java.lang.Long,DataManager> cmList

Constructor Detail

### DataManagerProvider

    private DataManagerProvider()

Method Detail

### getSingletonInstance

    public static DataManagerProvider getSingletonInstance()

  Returns the instance of a data manager provider.

  Returns:
    the data manager provider.

### associateManager

    public void associateManager(java.lang.Long thread,
                                 DataManager cmp)

  This method associates a data manager with a given thread of execution.

  Parameters:
    `thread` - is the thread for which the data manager should be associated.
    `cmp` - is the data manager, which should be associated.

### getManager

    public DataManager getManager(java.lang.Long thread)

  This method returns the data manager object associated to a certain thread of execution. If there is no data manager associated to a certain thread of execution then it means the service is being executed outside the scope of the Business Activity and a dummy data manager is simply returned.

  Parameters:
    `thread` - thread ID for which the data manager should be returned.
  Returns:
    the DataManager object.

### removeManager

    public void removeManager(java.lang.Long thread)

  This method removes the association of a thread and a data manager.

  Parameters:
    `thread` - is the thread for which the associaction should be removed.

Overview | Package | Class | Tree | Deprecated | Index | Help
PREV CLASS NEXT CLASS | FRAMES NO FRAMES
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD