Interface NodeLocator<T>

Type Parameters:

T - the client type.

All Known Implementing Classes:

RestTemplateNodeLocator, WebFluxNodeLocator

public interface NodeLocator<T>

Used to obtain a connection factory for the queue leader.

Since:

2.4.8

Author:

Gary Russell

Field Summary

Fields

Modifier and Type	Field	Description
static final LogAccessor	LOGGER

Method Summary

Modifier and Type	Method	Description
default void	close(T client)	Close the client.
T	createClient(String userName, String password)	Create a client for subsequent use.
default ConnectionFactory	locate(String[] adminUris, Map<String,String> nodeToAddress, String vhost, String username, String password, String queue, FactoryFinder factoryFunction)	Return a connection factory for the leader node for the queue.
Map<String,Object>	restCall(T client, String baseUri, String vhost, String queue)	Retrieve a map of queue properties using the RabbitMQ Management REST API.

Field Details

LOGGER

static final LogAccessor LOGGER

Method Details

locate

@Nullable
default ConnectionFactory locate(String[] adminUris,
 Map<String,String> nodeToAddress,
 String vhost,
 String username,
 String password,
 String queue,
 FactoryFinder factoryFunction)

Return a connection factory for the leader node for the queue.

Parameters:

adminUris - an array of admin URIs.

nodeToAddress - a map of node names to node addresses (AMQP).

vhost - the vhost.

username - the user name.

password - the password.

queue - the queue name.

factoryFunction - an internal function to find or create the factory.

Returns:

a connection factory, if the leader node was found; null otherwise.

createClient

T createClient(String userName,
 String password)

Create a client for subsequent use.

Parameters:

userName - the user name.

password - the password.

Returns:

the client.

close

default void close(T client)

Close the client.

Parameters:

client - the client.

restCall

@Nullable
Map<String,Object> restCall(T client,
 String baseUri,
 String vhost,
 String queue)
                     throws URISyntaxException

Retrieve a map of queue properties using the RabbitMQ Management REST API.

Parameters:

client - the client.

baseUri - the base uri.

vhost - the virtual host.

queue - the queue name.

Returns:

the map of queue properties.

Throws:

URISyntaxException - if the syntax is bad.