| Package | Description | 
|---|---|
| org.opendaylight.controller.cluster.access.commands | This package defines the messages used to interact with the CDS backend implementation. | 
| Class and Description | 
|---|
| AbstractLocalTransactionRequest Abstract base class for  Requests involving specific transactions local to a member node. | 
| AbstractReadPathTransactionRequest Abstract base class for  TransactionRequests accessing data as visible in the isolated context of a particular
 transaction. | 
| AbstractReadTransactionRequest Abstract base class for  TransactionRequests accessing transaction state without modifying it. | 
| ConnectClientFailure A  RequestFailurereported whenConnectClientRequestfails. | 
| ConnectClientRequest Request to connect a frontend instance to the backend. | 
| ConnectClientSuccess Successful reply to an  ConnectClientRequest. | 
| CreateLocalHistoryRequest Request to create a new local history. | 
| DestroyLocalHistoryRequest Request to destroy a local history. | 
| ExistsTransactionRequest A transaction request to query if a particular path exists in the current view of a particular transaction. | 
| ExistsTransactionSuccess Successful reply to an  ExistsTransactionRequest. | 
| IncrementTransactionSequenceRequest A blank transaction request. | 
| IncrementTransactionSequenceSuccess Successful reply to an  IncrementTransactionSequenceRequest. | 
| LocalHistoryFailure Generic  RequestFailureinvolving aLocalHistoryRequest. | 
| LocalHistoryRequest Abstract base class for  Requests involving specific local history. | 
| LocalHistorySuccess Success class for  RequestSuccesses involving a specific local history. | 
| ModifyTransactionRequest A transaction request to apply a particular set of operations on top of the current transaction. | 
| ModifyTransactionSuccess Response to a  ModifyTransactionRequestwhich does not have aPersistenceProtocol. | 
| PersistenceProtocol Enumeration of transaction persistence protocols. | 
| PurgeLocalHistoryRequest Request to purge a local history. | 
| ReadTransactionRequest A transaction request to read a particular path exists in the current view of a particular transaction. | 
| ReadTransactionSuccess Successful reply to an  ReadTransactionRequest. | 
| TransactionAbortRequest A transaction request to perform the abort step of the three-phase commit protocol. | 
| TransactionAbortSuccess Successful reply to a coordinated commit request initiated by a  ModifyTransactionRequestorCommitLocalTransactionRequest. | 
| TransactionCanCommitSuccess Successful reply to a coordinated commit request initiated by a  ModifyTransactionRequestorCommitLocalTransactionRequest. | 
| TransactionCommitSuccess Successful reply to a coordinated commit request. | 
| TransactionDataModification A  TransactionModificationwhich has a data component. | 
| TransactionDoCommitRequest A transaction request to perform the final, doCommit, step of the three-phase commit protocol. | 
| TransactionFailure Generic  RequestFailureinvolving aTransactionRequest. | 
| TransactionModification An individual modification of a transaction's state. | 
| TransactionPreCommitRequest A transaction request to perform the second, preCommit, step of the three-phase commit protocol. | 
| TransactionPreCommitSuccess Successful reply to a  TransactionPreCommitRequest. | 
| TransactionPurgeRequest A transaction request to perform the final transaction transition, which is purging it from the protocol view,
 meaning the frontend has no further knowledge of the transaction. | 
| TransactionPurgeResponse Successful reply to a  TransactionPurgeRequest. | 
| TransactionRequest Abstract base class for  Requests involving specific transaction. | 
| TransactionSuccess Abstract base class for  RequestSuccesses involving specific transaction. | 
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