private static string GetParametersToken(EntityCommand entityCommand)
{
if (entityCommand.Parameters == null || entityCommand.Parameters.Count == 0)
{
return("@@0");
}
Dictionary <string, TypeUsage> parameterTypeUsage = entityCommand.GetParameterTypeUsage();
if (1 == parameterTypeUsage.Count)
{
return("@@1:" + entityCommand.Parameters[0].ParameterName + ":" + EntityClientCacheKey.GetTypeUsageToken(parameterTypeUsage[entityCommand.Parameters[0].ParameterName]));
}
StringBuilder stringBuilder = new StringBuilder(entityCommand.Parameters.Count * 20);
stringBuilder.Append("@@");
stringBuilder.Append(entityCommand.Parameters.Count);
stringBuilder.Append(":");
string str = "";
foreach (KeyValuePair <string, TypeUsage> keyValuePair in parameterTypeUsage)
{
stringBuilder.Append(str);
stringBuilder.Append(keyValuePair.Key);
stringBuilder.Append(":");
stringBuilder.Append(EntityClientCacheKey.GetTypeUsageToken(keyValuePair.Value));
str = ";";
}
return(stringBuilder.ToString());
}
/// <summary>
/// Returns a string representation of the parameter list
/// </summary>
/// <param name="entityCommand"> </param>
/// <returns> </returns>
private static string GetParametersToken(EntityCommand entityCommand)
{
if (null == entityCommand.Parameters ||
0 == entityCommand.Parameters.Count)
{
//
// means no parameters
//
return("@@0");
}
// Ensure that parameter DbTypes are valid and there are no duplicate names
var paramTypeUsage = entityCommand.GetParameterTypeUsage();
Debug.Assert(
paramTypeUsage.Count == entityCommand.Parameters.Count,
"entityParameter collection and query parameter collection must have the same number of entries");
if (1 == paramTypeUsage.Count)
{
// if its one parameter only, there is no need to use stringbuilder
return("@@1:" +
entityCommand.Parameters[0].ParameterName + ":" +
GetTypeUsageToken(paramTypeUsage[entityCommand.Parameters[0].ParameterName]));
}
else
{
var sb = new StringBuilder(entityCommand.Parameters.Count * EstimatedParameterStringSize);
Debug.Assert(
paramTypeUsage.Count == entityCommand.Parameters.Count,
"entityParameter collection and query parameter collection must have the same number of entries");
sb.Append("@@");
sb.Append(entityCommand.Parameters.Count);
sb.Append(":");
var separator = "";
foreach (var param in paramTypeUsage)
{
sb.Append(separator);
sb.Append(param.Key);
sb.Append(":");
sb.Append(GetTypeUsageToken(param.Value));
separator = ";";
}
return(sb.ToString());
}
}