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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.
*
*/
using System;
using System.IO;
using System.Text;
using Frame = org.apache.qpid.transport.network.Frame;
namespace org.apache.qpid.transport
{
/// <summary>
/// Method
/// </summary>
public abstract class Method : Struct, IProtocolEvent
{
public new static Method Create(int type)
{
return (Method) StructFactory.createInstruction(type);
}
// XXX: command subclass?
private int id;
private int channel;
private bool idSet;
private bool sync;
private bool batch;
public int Id
{
get { return id; }
set
{
id = value;
idSet = true;
}
}
public bool Sync
{
get { return sync; }
set { sync = value; }
}
public bool Batch
{
get { return batch; }
set { batch = value; }
}
public abstract bool HasPayload();
public virtual Header Header
{
get { return null; }
set { throw new Exception(); }
}
public virtual MemoryStream Body
{
get { return null; }
set { throw new Exception(); }
}
public abstract void Dispatch<C>(C context, MethodDelegate<C> mdelegate );
#region IProtocolEvent
public int Channel
{
get { return channel; }
set { channel = value; }
}
public abstract byte EncodedTrack { get; set; }
public void ProcessProtocolEvent<C>(C context, IProtocolDelegate<C> protocoldelegate)
{
if (EncodedTrack == Frame.L4)
{
protocoldelegate.Command(context, this);
}
else
{
protocoldelegate.Control(context, this);
}
}
#endregion
public override String ToString()
{
StringBuilder str = new StringBuilder();
str.Append("ch=");
str.Append(channel);
if (EncodedTrack == Frame.L4 && idSet)
{
str.Append(" id=");
str.Append(id);
}
if (sync || batch)
{
str.Append(" ");
str.Append("[");
if (Sync)
{
str.Append("S");
}
if (Batch)
{
str.Append("B");
}
str.Append("]");
}
str.Append(" ");
str.Append(base.ToString());
if (Header != null)
{
str.Append(Header.ToString());
}
if (Body != null)
{
str.Append("\n body=");
str.Append(Body.ToString());
}
return str.ToString();
}
}
}
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