@Target(value={TYPE,METHOD,FIELD})
@Retention(value=RUNTIME)
public @interface ValuePartitioning
Partitioning can be enabled on an Entity, relationship, query, or session/persistence unit. Partition policies are globally named to allow reuse, the partitioning policy must also be set using the @Partitioned annotation to be used.
Partitioned
,
ValuePartitioningPolicy
Modifier and Type | Required Element and Description |
---|---|
java.lang.String |
name
The name of the partition policy, names must be unique for the persistence unit.
|
Column |
partitionColumn
The database column or query parameter to partition queries by.
|
ValuePartition[] |
partitions
Store the value partitions.
|
Modifier and Type | Optional Element and Description |
---|---|
java.lang.String |
defaultConnectionPool
The default connection pool is used for any unmapped values.
|
java.lang.Class |
partitionValueType
The type of the start and end values.
|
boolean |
unionUnpartitionableQueries
Defines if queries that do not contain the partition field should be sent
to every database and have the result unioned.
|
public abstract java.lang.String name
public abstract Column partitionColumn
public abstract ValuePartition[] partitions
public abstract java.lang.Class partitionValueType
public abstract java.lang.String defaultConnectionPool
public abstract boolean unionUnpartitionableQueries