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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.Collections.Generic;
using System.Text;
using org.apache.qpid.transport.codec;
namespace org.apache.qpid.transport
{
/// <summary>
/// Struct
/// </summary>
public abstract class Struct : IEncodable
{
public static Struct Create(int type)
{
return StructFactory.create(type);
}
bool dirty = true;
public bool Dirty
{
get { return dirty; }
set { dirty = value; }
}
public abstract int GetStructType();
public abstract int GetSizeWidth();
public abstract int GetPackWidth();
public int GetEncodedType()
{
int type = GetStructType();
if (type < 0)
{
throw new Exception();
}
return type;
}
private bool IsBit<C, T>(Field<C, T> f)
{
return Equals(f.Type, typeof(Boolean));
}
private bool Packed()
{
return GetPackWidth() > 0;
}
private bool Encoded<C, T>(Field<C, T> f)
{
return !Packed() || !IsBit(f) && f.Has(this);
}
private int GetFlagWidth()
{
return (Fields.Count + 7) / 8;
}
private int GetFlagCount()
{
return 8 * GetPackWidth();
}
public abstract void Read(IDecoder dec);
public abstract void Write(IEncoder enc);
public abstract Dictionary<String, Object> Fields
{
get;
}
public override String ToString()
{
StringBuilder str = new StringBuilder();
str.Append(GetType());
str.Append("(");
bool first = true;
foreach (KeyValuePair<String, Object> me in Fields)
{
if (first)
{
first = false;
}
else
{
str.Append(", ");
}
str.Append(me.Key);
str.Append("=");
str.Append(me.Value);
}
str.Append(")");
return str.ToString();
}
}
}
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