org.apache.qpid.proton.engine.Receiver Maven / Gradle / Ivy
/*
*
* 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.proton.engine;
/**
* Receiver
*
*/
public interface Receiver extends Link
{
/**
* issue the specified number of credits
*/
public void flow(int credits);
/**
* Receive message data for the current delivery.
*
* @param bytes the destination array where the message data is written
* @param offset index in the array to start writing data at
* @param size the maximum number of bytes to write
*
* @return number of bytes written. -1 if there are no more bytes for the current delivery.
*/
public int recv(byte[] bytes, int offset, int size);
public void drain(int credit);
}