org.opennms.netmgt.collection.api

Interface PersisterFactory

All Known Implementing Classes:

EvaluatePersisterFactory, MockPersisterFactory, NewtsPersisterFactory, RrdPersisterFactory, TcpPersisterFactory

public interface PersisterFactory

Used to instantiate an appropriate CollectionSetVisitor whose role is to persist the attributes in a CollectionSet.

Author:

jwhite

Method Summary

Modifier and Type	Method and Description
Persister	createPersister(ServiceParameters params, RrdRepository repository) Creates a visitor that is used to persist attributes in a .
Persister	createPersister(ServiceParameters params, RrdRepository repository, boolean dontPersistCounters, boolean forceStoreByGroup, boolean dontReorderAttributes) Creates a visitor that is used to persist attributes in a .

Method Detail

createPersister

Persister createPersister(ServiceParameters params,
                          RrdRepository repository)

Creates a visitor that is used to persist attributes in a .

Parameters:

params - used to determine if individual groups or resources in the collection set should be persisted

repository - used to the RRD persisters to build the appropriate RRD structures

Returns:

a Persister that persists the attributes

createPersister

Persister createPersister(ServiceParameters params,
                          RrdRepository repository,
                          boolean dontPersistCounters,
                          boolean forceStoreByGroup,
                          boolean dontReorderAttributes)

Creates a visitor that is used to persist attributes in a .

Parameters:

params - used to determine if individual groups or resources in the collection set should be persisted

repository - used to the RRD persisters to build the appropriate RRD structures

dontPersistCounters - used to disable persistence for counters in order to try and avoid spikes

forceStoreByGroup - forces the given to be persisted as a group

dontReorderAttributes - store attributes in the order they are visited

Returns:

a Persister that persists the attributes