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#ifndef _COSTRANSACTIONS_IDL
#define _COSTRANSACTIONS_IDL
#pragma prefix "omg.org"
module CosTransactions {
// DATATYPES
enum Status {
StatusActive,
StatusMarkedRollback,
StatusPrepared,
StatusCommitted,
StatusRolledBack,
StatusUnknown,
StatusNoTransaction,
StatusPreparing,
StatusCommitting,
StatusRollingBack
};
enum Vote {
VoteCommit,
VoteRollback,
VoteReadOnly
};
// Forward references for interfaces defined later in module
interface Control;
interface Terminator;
interface Coordinator;
interface Resource;
interface RecoveryCoordinator;
interface SubtransactionAwareResource;
interface TransactionFactory;
interface TransactionalObject;
// interface Synchronization;
// Structure definitions
struct otid_t {
long formatID; /*format identifier. 0 is OSI TP */
long bqual_length;
sequence <octet> tid;
};
struct TransIdentity {
Coordinator coord;
Terminator term;
otid_t otid;
};
struct PropagationContext {
unsigned long timeout;
TransIdentity current;
sequence <TransIdentity> parents;
any implementation_specific_data;
};
// interface Current;
// Standard exceptions
// Defined in orber/include/corba.hrl
// exception TransactionRequired {};
// exception TransactionRolledBack {};
// exception InvalidTransaction {};
// Heuristic exceptions
exception HeuristicRollback {};
exception HeuristicCommit {};
exception HeuristicMixed {};
exception HeuristicHazard {};
// Exception from Orb operations
exception WrongTransaction {};
// Other transaction-specific exceptions
exception SubtransactionsUnavailable {};
exception NotSubtransaction {};
exception Inactive {};
exception NotPrepared {};
exception NoTransaction {};
exception InvalidControl {};
exception Unavailable {};
exception SynchronizationUnavailable {};
interface TransactionFactory {
Control create(in unsigned long time_out);
Control recreate(in PropagationContext ctx);
};
interface Control {
Terminator get_terminator()
raises(Unavailable);
Coordinator get_coordinator()
raises(Unavailable);
};
interface Terminator {
void commit(in boolean report_heuristics)
raises( HeuristicMixed,
HeuristicHazard );
void rollback();
};
interface Coordinator {
Status get_status();
Status get_parent_status();
Status get_top_level_status();
boolean is_same_transaction(in Coordinator tc);
boolean is_related_transaction(in Coordinator tc);
boolean is_ancestor_transaction(in Coordinator tc);
boolean is_descendant_transaction(in Coordinator tc);
boolean is_top_level_transaction();
unsigned long hash_transaction();
unsigned long hash_top_level_tran();
RecoveryCoordinator register_resource(in Resource r)
raises(Inactive);
// void register_synchronization (in Synchronization sync)
// raises(Inactive, SynchronizationUnavailable);
void register_subtran_aware(in SubtransactionAwareResource r)
raises(Inactive, NotSubtransaction);
void rollback_only()
raises(Inactive);
string get_transaction_name();
Control create_subtransaction()
raises(SubtransactionsUnavailable, Inactive);
PropagationContext get_txcontext ()
raises(Unavailable);
};
interface RecoveryCoordinator {
Status replay_completion(in Resource r)
raises(NotPrepared);
};
interface Resource {
Vote prepare()
raises(HeuristicMixed,
HeuristicHazard);
void rollback()
raises( HeuristicCommit,
HeuristicMixed,
HeuristicHazard );
void commit()
raises( NotPrepared,
HeuristicRollback,
HeuristicMixed,
HeuristicHazard );
void commit_one_phase()
raises( HeuristicHazard,
HeuristicRollback,
HeuristicMixed);
void forget();
};
// interface TransactionalObject {
// };
// interface Synchronization : TransactionalObject {
// void before_completion();
// void after_completion(in CosTransactions::Status status);
// };
interface SubtransactionAwareResource : Resource {
void commit_subtransaction(in Coordinator parent);
void rollback_subtransaction();
};
}; // End of CosTransactions Module
module ETraP {
// interface Server
interface Server :
CosTransactions::Coordinator, CosTransactions::Resource,
CosTransactions::RecoveryCoordinator, CosTransactions::Control {
};
// interface Server :
// CosTransactions::Coordinator, CosTransactions::Resource,
// CosTransactions::RecoveryCoordinator, CosTransactions::Control,
// CosTransactions::Synchronization {
// };
}; // End of ETraP Module
#endif
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