com.kabira.platform.highavailability

Class PartitionMapper

java.lang.Object

com.kabira.platform.disteng.DEPartitionMapper

com.kabira.platform.highavailability.PartitionMapper

@Managed
public abstract class PartitionMapper
extends com.kabira.platform.disteng.DEPartitionMapper

The PartitionMapper class. This managed class is extended by applications to partition instances. Note that applications should never define fields in the subclass to avoid any transaction locks.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PartitionMapper.Properties The Mapper properties used when defining a partition mapper.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	NOT_PARTITIONED String to return from getPartition() if object should not be partitioned

Constructor Summary

Constructors

Constructor and Description
PartitionMapper()

Method Summary

Modifier and Type	Method and Description
abstract java.lang.String	getPartition(java.lang.Object obj) Determine which partition a given object is associated with.

Methods inherited from class com.kabira.platform.disteng.DEPartitionMapper

NotPartitioned

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

NOT_PARTITIONED

public static final java.lang.String NOT_PARTITIONED

String to return from getPartition() if object should not be partitioned

See Also:

Constant Field Values

Constructor Detail

PartitionMapper

public PartitionMapper()

Method Detail

getPartition

public abstract java.lang.String getPartition(java.lang.Object obj)

Determine which partition a given object is associated with. If an invalid partition name is returned from this method, the runtime will throw a com.kabira.platform.ResourceUnavailableException exception to the caller creating the instance.

Specified by:

getPartition in class com.kabira.platform.disteng.DEPartitionMapper

Parameters:

obj - A managed object instance.

Returns:

The name of a pre-existing partition.