org.opennms.features.topology.plugins.topo

Class BundleContextHistoryManager

java.lang.Object

org.opennms.features.topology.plugins.topo.BundleContextHistoryManager

All Implemented Interfaces:

HistoryManager

public class BundleContextHistoryManager
extends Object
implements HistoryManager

Field Summary

Fields

Modifier and Type	Field and Description
static String	DATA_FILE_NAME

Constructor Summary

Constructors

Constructor and Description
BundleContextHistoryManager(org.osgi.framework.BundleContext bundleContext, ServiceLocator serviceLocator)

Method Summary

Modifier and Type	Method and Description
void	applyHistory(String fragment, GraphContainer container) Restores the given history represented by fragementId.
void	deleteHistory() Deletes the history for all users.
SavedHistory	getHistoryByFragment(String fragment) Returns the history object for the provided fragment.
SavedHistory	getHistoryByUserId(String userId) Returns the history object for the provided userId.
String	getHistoryFragment(String userId)
void	onBind(HistoryOperation operation)
void	onUnbind(HistoryOperation operation)
protected void	saveHistory(String userId, SavedHistory hist)
String	saveOrUpdateHistory(String userId, GraphContainer graphContainer) Saves the current state of the GraphContainer for the current userId.

Methods inherited from class java.lang.Object

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

Field Detail

DATA_FILE_NAME

public static final String DATA_FILE_NAME

Constructor Detail

BundleContextHistoryManager

public BundleContextHistoryManager(org.osgi.framework.BundleContext bundleContext,
                                   ServiceLocator serviceLocator)

Method Detail

onBind

public void onBind(HistoryOperation operation)

onUnbind

public void onUnbind(HistoryOperation operation)

applyHistory

public void applyHistory(String fragment,
                         GraphContainer container)

Description copied from interface: HistoryManager

Restores the given history represented by fragementId. The GraphContainer represents the user's state, which does not require the userId.

Specified by:

applyHistory in interface HistoryManager

Parameters:

fragment - The history fragment (history hash)

container - The GraphContainer needed to actually apply the history.

saveOrUpdateHistory

public String saveOrUpdateHistory(String userId,
                                  GraphContainer graphContainer)

Description copied from interface: HistoryManager

Saves the current state of the GraphContainer for the current userId. The returned String is the history fragment (hash).

Specified by:

saveOrUpdateHistory in interface HistoryManager

Parameters:

userId - The user to save the history for

graphContainer - The current GraphContainer

Returns:

the history fragment (hash) of the saved history

See Also:

HistoryManager.getHistoryFragment(String)

saveHistory

protected void saveHistory(String userId,
                           SavedHistory hist)

getHistoryByFragment

public SavedHistory getHistoryByFragment(String fragment)

Description copied from interface: HistoryManager

Returns the history object for the provided fragment.

Specified by:

getHistoryByFragment in interface HistoryManager

getHistoryByUserId

public SavedHistory getHistoryByUserId(String userId)

Description copied from interface: HistoryManager

Returns the history object for the provided userId.

Specified by:

getHistoryByUserId in interface HistoryManager

getHistoryFragment

public String getHistoryFragment(String userId)

Specified by:

getHistoryFragment in interface HistoryManager

deleteHistory

public void deleteHistory()

Description copied from interface: HistoryManager

Deletes the history for all users.

Specified by:

deleteHistory in interface HistoryManager