Uses of Interface
org.jppf.utils.collections.Metadata

Packages that use Metadata

Package	Description
org.jppf.node.protocol	Support for JPPF tasks, job SLA, job metadata and data providers.
org.jppf.utils.collections	Utility and helper classes providing complex collections processing.

Uses of Metadata in org.jppf.node.protocol

Subinterfaces of Metadata in org.jppf.node.protocol

Modifier and Type	Interface	Description
interface	DataProvider	Instances of this class provide a way for tasks to share common data.
interface	JobMetadata	Instances of this interface hold metadata about a job, that can be used from a driver or node extension or plugin.
interface	TaskBundle	Interface for job headers sent ver the network.

Classes in org.jppf.node.protocol that implement Metadata

Modifier and Type	Class	Description
class	AbstractNotificationBundle
class	JPPFJobMetadata	Instances of this class hold metadata about a job, that can be used from a load-balancer, to adapt the load balancing to the computational weight of the job and/or the contained tasks.
class	JPPFTaskBundle	Instances of this class group tasks from the same client together, so they are sent to the same node, avoiding unnecessary transport overhead. The goal is to provide a performance enhancement through an adaptive bundling of tasks originating from the same client.
class	MemoryMapDataProvider	Implementation of a data provider that handles in-memory data backed by a Map.
class	NotificationBundle

Uses of Metadata in org.jppf.utils.collections

Classes in org.jppf.utils.collections that implement Metadata

Modifier and Type	Class	Description
class	MetadataImpl	An implementation of the Metadata interface backed by a Hashtable.

Methods in org.jppf.utils.collections that return Metadata

Modifier and Type	Method	Description
Metadata	Metadata.clear()	Clear the underlying map.
Metadata	MetadataImpl.clear()
Metadata	Metadata.setParameter(Object key, Object value)	Set a parameter in the metadata.
Metadata	MetadataImpl.setParameter(Object key, Object value)