ConnectionScopeBase.cs :  » Template-Engines » netTiers » PetShop » Services » C# / CSharp Open Source

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C# / CSharp Open Source » Template Engines » netTiers 
netTiers » PetShop » Services » ConnectionScopeBase.cs
#region Using Directives
using System;
using System.Collections.Generic;
using System.Collections;
using System.Data;
using System.Threading;
using System.Web;

using PetShop.Business;
using PetShop.Data;
using PetShop.Data.Bases;

using Microsoft.Practices.EnterpriseLibrary.ExceptionHandling;
#endregion 

namespace PetShop.Services{
  /// <summary>
  /// Provides storage of global database connection information.
  /// </summary>
  [CLSCompliant(true)]
  public class ConnectionScopeBase : IConnectionScope
    {
        #region Constructors
        /// <summary>
    /// Initializes a new instance of the ConnectionScope class.
    /// </summary>
    public ConnectionScopeBase()
    {
        }
        #endregion Constructors

    #region Properties
    /// <summary>
    /// The ConnectionStringKey member variable.
    /// </summary>
    private string connectionStringKey;

    /// <summary>
    /// Gets or sets the ConnectionStringKey property.
    /// </summary>
    public string ConnectionStringKey
    {
      get { return connectionStringKey; }
      set { connectionStringKey = value; }
    }

    /// <summary>
    /// The DynamicConnectionString member variable.
    /// </summary>
    private string dynamicConnectionString;

    /// <summary>
    /// Gets or sets the DynamicConnectionString property.
    /// </summary>
    public string DynamicConnectionString
    {
      get { return dynamicConnectionString; }
      set { dynamicConnectionString = value; }
    }

    /// <summary>
    /// The TransactionManager member variable.
    /// </summary>
    private TransactionManager transactionManager;

    /// <summary>
    /// Gets or sets the TransactionManager property.
    /// </summary>
    public TransactionManager TransactionManager
    {
      get { return transactionManager; }
      set { transactionManager = value; }
    }
    
    /// <summary>
    /// The NetTiersProvider member variable.
    /// </summary>
    private NetTiersProvider dataProvider;
    
    /// <summary>
    /// Gets or Sets the Current DataProvider property of the <c>ConnectionScope</c> Object.
    /// </summary>
    /// <remarks>
    /// To use a dynamic connection, you must set both the 
    /// DynamicConnectionString and a unique ConnectionStringKey properties;
    ///</remarks>
    public NetTiersProvider DataProvider
    {
      get
      {
        if (dataProvider == null)
        {
          if (string.IsNullOrEmpty(connectionStringKey))
          {
            dataProvider = DataRepository.Provider;
          }
          else if (!DataRepository.Connections.ContainsKey(connectionStringKey) && dynamicConnectionString != null)
          {
            DataRepository.AddConnection(connectionStringKey, dynamicConnectionString);
            dataProvider = DataRepository.Connections[connectionStringKey].Provider;
          }
          else if (DataRepository.Connections.ContainsKey(connectionStringKey)) 
          {
            dataProvider =  DataRepository.Connections[connectionStringKey].Provider;
          }
        }
          
        return dataProvider;
      }
      set
      {
        if (value != null)
        {
          dataProvider = value;  
        }
      }
    }

    /// <summary>
    /// Determines if Current Connections is in a Transaction.
    /// </summary>
    public virtual bool HasTransaction 
    {
            get { throw new NotImplementedException( "Property is not implemented" ); }
    }
    #endregion Properties
  }

}
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