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public interface ExtClient
extended client functionality for the
ExtObjectContainer
interface.
Both
Db4o.openClient()
methods always
return an ExtClient
object so a cast is possible.
The ObjectContainer functionality is split into multiple interfaces to allow newcomers to
focus on the essential methods.
Method Summary | |
---|---|
boolean |
isAlive()
checks if the client is currently connected to a server. |
void |
switchToFile(java.lang.String fileName)
requests opening a different server database file for this client session. |
void |
switchToMainFile()
requests switching back to the main database file after a previous call to switchToFile(String fileName) . |
Methods inherited from interface com.db4o.ext.ExtObjectContainer |
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backup, bind, collections, configure, descend, getByID, getByUUID, getID, getObjectInfo, identity, isActive, isCached, isClosed, isStored, knownClasses, lock, migrateFrom, peekPersisted, purge, purge, reflector, refresh, releaseSemaphore, replicationBegin, set, setSemaphore, storedClass, storedClasses, systemInfo, version |
Methods inherited from interface com.db4o.ObjectContainer |
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activate, close, commit, deactivate, delete, ext, get, query, query, query, query, query, rollback, set |
Method Detail |
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void switchToFile(java.lang.String fileName)
fileName
- the fully qualified path of the requested database file.void switchToMainFile()
switchToFile(String fileName)
.
boolean isAlive()
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