Public Member Functions
	SubscriberFactory (NodeIdentifier nodeIdentifier, TopicParticipantManager topicParticipantManager, ScheduledExecutorService executorService)
Package Functions
public< T > Subscriber< T >	newOrExisting (TopicDeclaration topicDeclaration, MessageDeserializer< T > messageDeserializer)
Private Attributes
final ScheduledExecutorService	executorService
final Object	mutex
final NodeIdentifier	nodeIdentifier
final TopicParticipantManager	topicParticipantManager

Detailed Description

A factory for Subscriber instances.

Author:: damonkohler@google.com (Damon Kohler)

Definition at line 32 of file SubscriberFactory.java.

Constructor & Destructor Documentation

org.ros.internal.node.topic.SubscriberFactory.SubscriberFactory	(	NodeIdentifier	nodeIdentifier,
		TopicParticipantManager	topicParticipantManager,
		ScheduledExecutorService	executorService
	)		`[inline]`

Definition at line 39 of file SubscriberFactory.java.

Member Function Documentation

public<T> Subscriber<T> org.ros.internal.node.topic.SubscriberFactory.newOrExisting	(	TopicDeclaration	topicDeclaration,
		MessageDeserializer< T >	messageDeserializer
	)		`[inline, package]`

Gets or creates a Subscriber instance. Subscribers are cached and reused per topic. When a new Subscriber is generated, it is registered with the master.

Parameters:

<T>	the message type associated with the new Subscriber
topicDeclaration	TopicDeclaration that is subscribed to
messageDeserializer	the MessageDeserializer to use for incoming messages