alma.acs.monitoring.DAO

Interface MonitorDAO

public interface MonitorDAO

This interface connects the upper layers of the blobber components, which belong to ACS and deal with infrastructural concerns and general data aggregation tasks, with the lower layers contributed from outside of ACS, which may have knowledge about some special devices and store the data in DBs, files etc.

Method Summary

Modifier and Type	Method and Description
void	close() Called by the BlobberPlugin when the DAO is no longer needed, typically shortly before the component gets unloaded.
void	closeTransactionStore() If the DAO supports transactions (e.g.
void	openTransactionStore(java.lang.String transactionName) If the DAO supports transactions (e.g.
void	store(ComponentData inData) Passes data from the upper layers to this DAO.

Method Detail

store

void store(ComponentData inData)
    throws java.lang.Exception

Passes data from the upper layers to this DAO.

Throws:

java.lang.Exception

openTransactionStore

void openTransactionStore(java.lang.String transactionName)
                   throws AcsJException

If the DAO supports transactions (e.g. for DB insertion), it should open a transaction here. Currently a transaction contains the data from all device components from one container.

Parameters:

transactionName - A name assigned (and to be understood) by the calling client, for error feedback etc. This name should have no relevance for actually storing the data.

Throws:

AcsJException

See Also:

closeTransactionStore()

closeTransactionStore

void closeTransactionStore()
                    throws AcsJException

If the DAO supports transactions (e.g. for DB insertion), it should close the currently open transaction here.

Throws:

AcsJException

See Also:

#openTransactionStore()

close

void close()

Called by the BlobberPlugin when the DAO is no longer needed, typically shortly before the component gets unloaded. The DAO should clean up resources. After this call, the DAO should no longer be used.

See Also:

BlobberPlugin.cleanUp()