/*
 *
 * 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.server.message;

import java.util.Collection;
import java.util.Set;

public interface AMQMessageHeader
{
    String getCorrelationId();

    long getExpiration();

    String getUserId();

    String getAppId();

    String getGroupId();

    String getMessageId();

    String getMimeType();

    String getEncoding();

    byte getPriority();

    long getTimestamp();

    long getNotValidBefore();

    String getType();

    String getReplyTo();

    Object getHeader(String name);

    boolean containsHeaders(Set<String> names);

    boolean containsHeader(String name);

    Collection<String> getHeaderNames();
}