//===============================================================================
// Microsoft patterns & practices Enterprise Library
// Data Access Application Block
//===============================================================================
// Copyright © Microsoft Corporation. All rights reserved.
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY
// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT
// LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE.
//===============================================================================
//
// Forked From Enterprise Library licensed under Ms-Pl http://www.codeplex.com/entlib
// but implementing a sub set of the API from the 2.0 Application Blocks SqlHelper
// using implementation from the newer Ms-Pl version
// Modifications by Joe Audette
// Last Modified 2010-01-28
public SqlParameter[] GetParameters(string connectionString, string procName)
{
if (string.IsNullOrEmpty(connectionString))
{
throw new ArgumentNullException("connectionString");
}
if (string.IsNullOrEmpty(procName))
{
throw new ArgumentNullException("Procedure Name");
}
if (AlreadyCached(connectionString, procName))
{
return(GetParametersFromCache(connectionString, procName));
}
else
{
SqlParameter[] copyOfParameters = DiscoverParameters(connectionString, procName);
//this.cache.AddParameterSetToCache(connectionString, procName, copyOfParameters);
SqlParameterCache.AddParameterSetToCache(connectionString, procName, copyOfParameters);
return(GetParametersFromCache(connectionString, procName));
}
}
private static SqlParameter[] CreateParameterCopy(DbCommand command)
{
IDataParameterCollection parameters = command.Parameters;
SqlParameter[] parameterArray = new SqlParameter[parameters.Count];
parameters.CopyTo(parameterArray, 0);
return(SqlParameterCache.CloneParameters(parameterArray));
}
private bool AlreadyCached(string connectionString, string procName)
{
return(SqlParameterCache.IsParameterSetCached(connectionString, procName));
}
protected SqlParameter[] GetParametersFromCache(string connectionString, string procName)
{
return(SqlParameterCache.GetCachedParameterSet(connectionString, procName));
}
