/*
 * 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.
 */

using Apache.NMS.Stomp.State;

namespace Apache.NMS.Stomp.Commands
{
    public class RemoveInfo : BaseCommand
    {
        DataStructure objectId;

        ///
        /// <summery>
        ///  Returns a string containing the information for this DataStructure
        ///  such as its type and value of its elements.
        /// </summery>
        ///
        public override string ToString()
        {
            return GetType().Name + "[" +
                "ObjectId=" + ObjectId +
                "]";
        }

        public override byte GetDataStructureType()
        {
            return DataStructureTypes.RemoveInfoType;
        }
        
        public DataStructure ObjectId
        {
            get { return objectId; }
            set { this.objectId = value; }
        }

        ///
        /// <summery>
        ///  Return an answer of true to the isRemoveInfo() query.
        /// </summery>
        ///
        public override bool IsRemoveInfo
        {
            get
            {
                return true;
            }
        }

        ///
        /// <summery>
        ///  Allows a Visitor to visit this command and return a response to the
        ///  command based on the command type being visited.  The command will call
        ///  the proper processXXX method in the visitor.
        /// </summery>
        ///
        public override Response visit(ICommandVisitor visitor)
        {
            switch(objectId.GetDataStructureType())
            {
                case DataStructureTypes.ConnectionIdType:
                    return visitor.processRemoveConnection((ConnectionId) objectId);
                case DataStructureTypes.SessionIdType:
                    return visitor.processRemoveSession((SessionId) objectId);
                case DataStructureTypes.ConsumerIdType:
                    return visitor.processRemoveConsumer((ConsumerId) objectId);
                case DataStructureTypes.ProducerIdType:
                    return visitor.processRemoveProducer((ProducerId) objectId);
                default:
                    throw new IOException("Unknown remove command type: " + objectId.GetDataStructureType());
            }
        }
    };
}