org.ros.internal.node.server.master

Class MasterRegistrationManagerImpl

java.lang.Object

org.ros.internal.node.server.master.MasterRegistrationManagerImpl

public class MasterRegistrationManagerImpl
extends java.lang.Object

Manages all registration logic for the MasterServer.

This class is not thread-safe.

Constructor Summary

Constructors

Constructor and Description
MasterRegistrationManagerImpl(MasterRegistrationListener listener)

Method Summary

Methods

Modifier and Type	Method and Description
java.util.Collection<ServiceRegistrationInfo>	getAllServices() Get all services registered.
java.util.Collection<TopicRegistrationInfo>	getAllTopics() Get all topics registered.
NodeRegistrationInfo	getNodeRegistrationInfo(GraphName nodeName) Get the information known about a node.
ServiceRegistrationInfo	getServiceRegistrationInfo(GraphName serviceName) Get the information known about a service.
TopicRegistrationInfo	getTopicRegistrationInfo(GraphName topicName) Get the information known about a topic.
TopicRegistrationInfo	registerPublisher(GraphName nodeName, java.net.URI nodeSlaveUri, GraphName topicName, java.lang.String topicMessageType) Register a publisher.
ServiceRegistrationInfo	registerService(GraphName nodeName, java.net.URI nodeSlaveUri, GraphName serviceName, java.net.URI serviceUri) Register a service.
TopicRegistrationInfo	registerSubscriber(GraphName nodeName, java.net.URI nodeSlaveUri, GraphName topicName, java.lang.String topicMessageType) Register a subscriber.
boolean	unregisterPublisher(GraphName nodeName, GraphName topicName) Unregister a publisher.
boolean	unregisterService(GraphName nodeName, GraphName serviceName, java.net.URI serviceUri) Unregister a service.
boolean	unregisterSubscriber(GraphName nodeName, GraphName topicName) Unregister a subscriber.

Methods inherited from class java.lang.Object

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

Constructor Detail

MasterRegistrationManagerImpl

public MasterRegistrationManagerImpl(MasterRegistrationListener listener)

Method Detail

registerPublisher

public TopicRegistrationInfo registerPublisher(GraphName nodeName,
                                      java.net.URI nodeSlaveUri,
                                      GraphName topicName,
                                      java.lang.String topicMessageType)

Register a publisher.

Parameters:

nodeName - name of the node with the publisher

nodeSlaveUri - URI of the slave server on the node

topicName - then name of the topic

topicMessageType - message type of the topic

Returns:

The registration information for the topic.

unregisterPublisher

public boolean unregisterPublisher(GraphName nodeName,
                          GraphName topicName)

Unregister a publisher.

Parameters:

nodeName - name of the node which has the publisher

topicName - name of the publisher's topic

Returns:

true if the publisher was actually registered before the call.

registerSubscriber

public TopicRegistrationInfo registerSubscriber(GraphName nodeName,
                                       java.net.URI nodeSlaveUri,
                                       GraphName topicName,
                                       java.lang.String topicMessageType)

Register a subscriber.

Parameters:

nodeName - name of the node with the subscriber

nodeSlaveUri - URI of the slave server on the node

topicName - then name of the topic

topicMessageType - message type of the topic

Returns:

The registration information for the topic.

unregisterSubscriber

public boolean unregisterSubscriber(GraphName nodeName,
                           GraphName topicName)

Unregister a subscriber.

Parameters:

nodeName - name of the node which has the subscriber

topicName - name of the subscriber's topic

Returns:

true if the subscriber was actually registered before the call.

registerService

public ServiceRegistrationInfo registerService(GraphName nodeName,
                                      java.net.URI nodeSlaveUri,
                                      GraphName serviceName,
                                      java.net.URI serviceUri)

Register a service.

Parameters:

nodeName - name of the node with the service

nodeSlaveUri - URI of the slave server on the node

serviceName - the name of the service

serviceUri - URI of the service server on the node

Returns:

The registration information for the service.

unregisterService

public boolean unregisterService(GraphName nodeName,
                        GraphName serviceName,
                        java.net.URI serviceUri)

Unregister a service.

Parameters:

nodeName - name of the node with the service

serviceName - the name of the service

serviceUri - URI of the service server on the node

Returns:

true if the service was actually registered before the call.

getAllTopics

public java.util.Collection<TopicRegistrationInfo> getAllTopics()

Get all topics registered.

Returns:

An immutable collection of topics.

getTopicRegistrationInfo

public TopicRegistrationInfo getTopicRegistrationInfo(GraphName topicName)

Get the information known about a topic.

Parameters:

topicName - the name of the topic

Returns:

The information about the topic. Can be null if the topic was never registered.

getNodeRegistrationInfo

public NodeRegistrationInfo getNodeRegistrationInfo(GraphName nodeName)

Get the information known about a node.

Parameters:

nodeName - the name of the node

Returns:

The information about the node. Can be null if no topic was ever registered for the node.

getAllServices

public java.util.Collection<ServiceRegistrationInfo> getAllServices()

Get all services registered.

Returns:

An immutable collection of services.

getServiceRegistrationInfo

public ServiceRegistrationInfo getServiceRegistrationInfo(GraphName serviceName)

Get the information known about a service.

Parameters:

serviceName - the name of the service

Returns:

The information about the service. Can be null if there is no service registered with the given name.