CSParameterCollection.cs :  » Persistence-Frameworks » Vici-CoolStorage » Vici » CoolStorage » C# / CSharp Open Source

#region License
//=============================================================================
// Vici CoolStorage - .NET Object Relational Mapping Library 
//
// Copyright (c) 2004-2009 Philippe Leybaert
//
// Permission is hereby granted, free of charge, to any person obtaining a copy 
// of this software and associated documentation files (the "Software"), to deal 
// in the Software without restriction, including without limitation the rights 
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
// copies of the Software, and to permit persons to whom the Software is 
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in 
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//=============================================================================
#endregion

using System;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.Serialization;

namespace Vici.CoolStorage{
  [Serializable]
  public class CSParameterCollection : IEnumerable<CSParameter>
  {
    public static CSParameterCollection Empty = new CSParameterCollection();

    private readonly List<CSParameter> _parameterList = new List<CSParameter>();

    [NonSerialized]
    private Dictionary<string, CSParameter> _parameterMap = new Dictionary<string, CSParameter>();

    [OnDeserialized]
    private void AfterDeserialization(StreamingContext context)
    {
      _parameterMap = new Dictionary<string, CSParameter>();

      foreach (CSParameter parameter in _parameterList)
        _parameterMap.Add(parameter.Name, parameter);
    }

    public CSParameterCollection()
    {
    }

    public CSParameterCollection(string paramName,object paramValue)
    {
      Add(paramName, paramValue);
    }

        public CSParameterCollection(string paramName1, object paramValue1,string paramName2,object paramValue2)
        {
            Add(paramName1, paramValue1);
            Add(paramName2, paramValue2);
        }

        public CSParameterCollection(string paramName1, object paramValue1, string paramName2, object paramValue2, string paramName3, object paramValue3)
        {
            Add(paramName1, paramValue1);
            Add(paramName2, paramValue2);
            Add(paramName3, paramValue3);
        }

        public CSParameterCollection(string paramName1, object paramValue1, string paramName2, object paramValue2, string paramName3, object paramValue3 ,params object[] otherParameters)
        {
            Add(paramName1, paramValue1);
            Add(paramName2, paramValue2);
            Add(paramName3, paramValue3);

            if ((otherParameters.Length % 2) != 0)
                throw new CSException("Bad parameter list !");

            for(int i=0; i < otherParameters.Length ; i+=2)
            {
                if (otherParameters[i] == null)
                    throw new CSException("Parameter name cannot be null");

                if (!(otherParameters[i] is string))
                    throw new CSException("Parameter name should be a string");

                Add((string) otherParameters[i], otherParameters[i+1]);
            }
        }

    public CSParameterCollection(CSParameterCollection sourceCollection)
    {
        Add(sourceCollection);
        }

        public CSParameterCollection(params CSParameter[] parameters)
        {
      foreach (CSParameter param in parameters)
      {
        _parameterList.Add(param);
        _parameterMap.Add(param.Name, param);
      }
        }

    public CSParameter Add()
    {
        return Add('@' + CSNameGenerator.NextParameterName);
    }

        public CSParameter Add(string parameterName)
        {
            CSParameter param = new CSParameter(parameterName);

          _parameterMap.Add(param.Name, param);
      _parameterList.Add(param);

            return param;
        }

        public void Add(string paramName,object paramValue)
        {
            CSParameter param = new CSParameter(paramName,paramValue);

            _parameterMap.Add(param.Name, param);
            _parameterList.Add(param);
        }

        public void Add(CSParameter parameter)
        {
            Add(parameter.Name, parameter.Value);
        }

    public void Add(CSParameterCollection parameters)
    {
            if (parameters != null)
            {
                foreach (CSParameter param in parameters)
                    Add(param.Name, param.Value);
            }
    }

    public CSParameter this[string name]
    {
      get
      {
        CSParameter parameter;

        _parameterMap.TryGetValue(name, out parameter);
        
        return parameter;
      }
    }
      
      public int Count
      {
          get
          {
                return _parameterList.Count;
            }       
      }

    public bool IsEmpty
    {
      get
      {
        return (_parameterList.Count == 0);
      }
    }

    IEnumerator<CSParameter> IEnumerable<CSParameter>.GetEnumerator()
    {
      return _parameterList.GetEnumerator();
    }

    public IEnumerator GetEnumerator()
    {
      return _parameterList.GetEnumerator();
    }
  }
}