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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;
/**
* Interface through which messages are sent
*/
public interface Sender
{
/**
* Sends a message.
* @param message The message to be sent.
* @param sync Blocks until the peer confirms the message received.
*/
public void send (Message message, boolean sync) throws MessagingException;
/**
* Cancels the receiver.
*/
public void close() throws MessagingException;
/**
* Sets the capacity for the sender.
* @param capacity Number of messages
*/
public void setCapacity (int capacity) throws MessagingException;
/**
* Returns the capacity of this sender.
* @return capacity
*/
public int getCapacity() throws MessagingException;
/**
* Returns the number of messages for which there is available capacity.
* @return available capacity
*/
public int getAvailable() throws MessagingException;
/**
* Returns the number of sent messages pending confirmation of receipt by the broker.
* @return unsettled message count.
*/
public int getUnsettled() throws MessagingException;
/**
* Returns true if the sender was closed by a call to close()
*/
public boolean isClosed() throws MessagingException;
/**
* Returns the name that uniquely identifies this sender within the given session.
* @return Identifier for this Receiver.
*/
public String getName() throws MessagingException;
/**
* Returns the session associated with this sender.
*/
public Session getSession() throws MessagingException;
}
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