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See:
Description
Class Summary | |
BackendStatus | Send the status of local backends to remote controllers. |
BackendTransfer | This class defines a BackendTransfer message |
CacheInvalidate | This class defines a CacheInvalidate |
CJDBCGroupMessage | This class defines a CJDBCGroupMessage. |
Commit | Execute a distributed commit. |
ControllerName | This class defines a ControllerName class to send to new group members |
CopyLogEntry | This class defines a CopyLogEntry message. |
DisableBackend | Send the information that the sender wants to disable the specified backend. |
DistributedRequest | DistributedRequest is an abstract class that defines the
interface for distributed execution of a request (horizontal scalability). |
DistributedTransactionMarker | This class defines a DistributedTransactionMarker which is used to transport commit/rollback/savepoint type of commands. |
EnableBackend | Send the information that the sender wants to enable the specified backend. |
ExecReadRequest | Execute a read request. |
ExecReadStoredProcedure | This class defines a ExecReadStoredProcedure |
ExecWriteRequest | Execute a write request between several controllers. |
ExecWriteRequestWithKeys | Execute a write request between several controllers. |
ExecWriteStoredProcedure | This execute a write stored procedure on multiple controllers. |
InitiateDumpCopy | This message is used to prepare the sending of a dump to a remote controller's vdb backup manager. |
NotifyCompletion | This class defines a NotifyCompletion command that is sent to controllers that have failed to notify of the success or failure of the request execution. |
ReleaseSavepoint | Execute a distributed release savepoint |
ReplicateLogEntries | This message is used both to prepare the sending of a set of log entries to a remote controller's vdb recovery log (intialization) and to terminate it (termination). |
Rollback | Execute a distributed rollback. |
RollbackToSavepoint | Execute a distributed rollback to savepoint |
SetCheckpoint | This message is used to set a cluster-wide atomic checkpoint into the recovery log. |
SetSavepoint | Execute a distributed set savepoint |
UnlogCommit | This class defines an UnlogCommit command that is sent when a commit has failed on all controllers and it is necessary for controllers without backend to remove this commit from their recovery log since they systematically log all update statements. |
UnlogRequest | This class defines an UnlogRequest command that is sent when a query has failed on all controllers and it is necessary for controllers without backend to remove this query from their recovery log since they systematically log write queries. |
UnlogRollback | This class defines an UnlogRollback command that is sent when a rollback has failed on all controllers and it is necessary for controllers without backend to remove this rollback from their recovery log since they systematically log all update statements. |
VirtualDatabaseConfiguration | Transports the configuration of a virtual database to remote controllers so that compatibility checking can be performed. |
Differemt group messages for the distributed version of the virtual database.
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