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## 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.

Method Summary
`String[]` | `replicate(Object pc, List<String> slices, Object context)` Gets the name of the slices where a given instance will be replicated.

Method Detail

### 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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