costransactions_subtransactionawareresource(3erl) [linux man page]
CosTransactions_SubtransactionAwareResource(3erl) Erlang Module Definition CosTransactions_SubtransactionAwareResource(3erl) NAME
CosTransactions_SubtransactionAwareResource - This module implements the OMG CosTransactions::SubtransactionAwareResource interface. DESCRIPTION
This interface inherits the CosTransactions::Resource interface. Hence, it must also support all operations defined in the Resource inter- face. To get access to the record definitions for the structures use: -include_lib("cosTransactions/include/CosTransactions.hrl"). EXPORTS
commit_subtransaction(SubtransactionAwareResource, Coordinator) -> Return Types SubtransactionAwareResource = #objref Coordinator = #objref Return = ok If the SubtransactionAwareResource have been registered with a subtransaction using the operation CosTransactions_Coordinator:regis- ter_subtran_aware/2 , it will be notified when the transaction has committed. Note: The results of a committed subtransaction are relative to the completion of its ancestor transactions, that is, these results can be undone if any ancestor transaction is rolled back. rollback_subtransaction(SubtransactionAwareResource) -> Return Types SubtransactionAwareResource = #objref Return = ok If the SubtransactionAwareResource have been registered with a transactions using the operation CosTransactions_Coordinator:regis- ter_subtran_aware/2 it will be notified when the transaction has rolled back. Ericsson AB cosTransactions 1.2.10 CosTransactions_SubtransactionAwareResource(3erl)
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CosTransactions_Coordinator(3erl) Erlang Module Definition CosTransactions_Coordinator(3erl) NAME
CosTransactions_Coordinator - This module implements the OMG CosTransactions::Coordinator interface. DESCRIPTION
To get access to the record definitions for the structures use: -include_lib("cosTransactions/include/CosTransactions.hrl"). EXPORTS
create_subtransaction(Coordinator) -> Control Types Coordinator = #objref Control = #objref A new subtransaction is created whose parent is the Coordinator argument. Raises exception: * 'SubtransactionsUnavailable' - if nested transactions are not supported. * 'Inactive' - if target transaction has already been prepared. get_transaction_name(Coordinator) -> Name Types Coordinator = #objref Name = string() of type "oe_name@machine_type_timestamp" Returns a printable string, which describe the transaction. The main purpose is to support debugging. get_parent_status(Coordinator) -> Status Types Coordinator = #objref Status = atom() Returns the status of the parent transaction associated with the target object. If the target object is a top-level transaction this operation is equivalent to get_status/1 operation. Possible Status replies: * 'StatusCommitted' * 'StatusCommitting' * 'StatusMarkedRollback' * 'StatusRollingBack' * 'StatusRolledBack' * 'StatusActive' * 'StatusPrepared' * 'StatusUnknown' * 'StatusNoTransaction' * 'StatusPreparing' get_status(Coordinator) -> Status Types Coordinator = #objref Status = atom() Returns the status of the transaction associated with the target object. get_top_level_status(Coordinator) -> Status Types Coordinator = #objref Status = atom() Returns the status of the top-level transaction associated with the target object. hash_top_level_tran(Coordinator) -> Return Types Coordinator = #objref Return = integer() Returns a hash code for the top-level transaction associated with the target object. Equals the operation hash_transaction/1 if the target object is a top-level transaction. hash_transaction(Coordinator) -> Return Types Coordinator = #objref Return = integer() Returns a hash code for the transaction associated with the target object. is_descendant_transaction(Coordinator, OtherCoordinator) -> Return Types Coordinator = #objref OtherCoordinator = #objref Return = Boolean Returns true if the transaction associated with the target object is a descendant of the transaction associated with the parameter object. is_same_transaction(Coordinator, OtherCoordinator) -> Return Types Coordinator = #objref OtherCoordinator = #objref Return = Boolean Returns true if the transaction associated with the target object is related to the transaction associated with the parameter object. is_top_level_transaction(Coordinator) -> Return Types Coordinator = #objref Return = Boolean Returns true if the transaction associated with the target object is a top-level transaction. register_resource(Coordinator, Resource) -> RecoveryCoordinator Types Coordinator = #objref Resource = #objref RecoveryCoordinator = #objref This operation registers the parameter Resource object as a participant in the transaction associated with the target object. The RecoveryCoordinator returned by this operation can be used by this Resource during recovery. Note: The Resources will be called in FIFO-order when preparing or committing. Hence, be sure to register the Resources in the correct order. Raises exception: * 'Inactive' - if target transaction has already been prepared. register_subtran_aware(Coordinator, SubtransactionAwareResource) -> Return Types Coordinator = #objref Return = ok This operation registers the parameter SubtransactionAwareResource object such that it will be notified when the transaction, asso- ciated wit the target object, has committed or rolled back. Note: The Resources will be called in FIFO-order. Hence, be sure to register the Resources in the correct order. rollback_only(Coordinator) -> Return Types Coordinator = #objref Return = ok The transaction associated with the target object is modified so the only possible outcome is to rollback the transaction. Ericsson AB cosTransactions 1.2.10 CosTransactions_Coordinator(3erl)