org.apache.openjpa.slice
Interface ReplicationPolicy
- All Known Implementing Classes:
- ReplicationPolicy.Default
public interface ReplicationPolicy
Policy to select one or more of the physical databases referred as
slice in which a given persistent instance will be persisted.
This interface is invoked for entity types that are specified as ReplicatedTypes in the configuration.
- Author:
- Pinaki Poddar
- See Also:
DistributionPolicy
Nested Class Summary |
static class |
ReplicationPolicy.Default
Implements a default replication policy to replicate the given
instance across all available slices. |
replicate
String[] replicate(Object pc,
List<String> slices,
Object context)
- Gets the name of the slices where a given instance will be replicated.
- Parameters:
pc
- The newly persistent or to-be-merged object.slices
- list of names of the active slices. The ordering of
the list is either explicit openjpa.slice.Names
property
or implicit i.e. alphabetic order of available identifiers if
openjpa.slice.Names
is unspecified.context
- generic persistence context managing the given instance.
- Returns:
- identifier of the slices. This names must match one of the
given slice names.
- See Also:
DistributedConfiguration.getActiveSliceNames()
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