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/* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.qpid.messaging;
/**
* A connection represents a network connection to a remote endpoint.
*/
public interface Connection
{
/**
* Creates a network connection to the peer and negotiates with the peer to establish a protocol level connection.
* When this method returns the connection is ready to be used.
*/
public void open() throws MessagingException;
/**
* Returns true if the connection is open.
*/
public boolean isOpen() throws MessagingException;
/**
* Close the connection and any sessions associated with this connection.
*/
public void close() throws MessagingException;
/**
* Creates a session with the given name.The name should be unique.
* It is advised to use a UUID for generating the name.
* @param name Unique identifier for the session.
* @return Session
*/
public Session createSession(String name)throws MessagingException;
/**
* Creates a transactional session with the given name.
* Messages sent or received through this session, will only be settled once commit is called on this session.
* The name should be unique. It is advised to use a UUID for generating the name.
* @param name Unique identifier for the session.
* @return Session
*/
public Session createTransactionalSession(String name)throws MessagingException;
/**
* Returns the authenticated username for this connection.
* For the simple username/password case, this just returns the same username.
* For EXTERNAL The username will be constructed from the subject distinguished name.
* For KERBEROS the username will be the kerberos username.
* @return The authenticated username.
*/
public String getAuthenticatedUsername()throws MessagingException;
}
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