com.db4o.cluster

Class Cluster

java.lang.Object

com.db4o.cluster.Cluster

public class Cluster
extends java.lang.Object

allows running Queries against multiple ObjectContainers.

Field Summary

Fields

Modifier and Type	Field and Description
ObjectContainer[]	_objectContainers

Constructor Summary

Constructors

Constructor and Description
Cluster(ObjectContainer[] objectContainers) use this constructor to create a Cluster and call add() to add ObjectContainers

Method Summary

Methods

Modifier and Type	Method and Description
ObjectContainer	objectContainerFor(java.lang.Object obj) returns the ObjectContainer in this cluster where the passed object is stored or null, if the object is not stored to any ObjectContainer in this cluster
Query	query() starts a query against all ObjectContainers in this Cluster.

Methods inherited from class java.lang.Object

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

Field Detail

_objectContainers

public final ObjectContainer[] _objectContainers

Constructor Detail

Cluster

public Cluster(ObjectContainer[] objectContainers)

use this constructor to create a Cluster and call add() to add ObjectContainers

Method Detail

query

public Query query()

starts a query against all ObjectContainers in this Cluster.

Returns:

the Query

objectContainerFor

public ObjectContainer objectContainerFor(java.lang.Object obj)

returns the ObjectContainer in this cluster where the passed object is stored or null, if the object is not stored to any ObjectContainer in this cluster

Parameters:

obj - the object

Returns:

the ObjectContainer