private DbType getDBTypeForSchemaParm(ProjectFlx.Schema.parameter parm)
{
switch (parm.type)
{
case ProjectFlx.Schema.fieldType.date:
return(DbType.Date);
case ProjectFlx.Schema.fieldType.@decimal:
return(DbType.Decimal);
case ProjectFlx.Schema.fieldType.@int:
return(DbType.Int32);
case ProjectFlx.Schema.fieldType.text:
return(DbType.String);
}
throw new Exception("Invalid Schema DBType for SQL DBType");
}
public static bool LoadFromFile(string fileName, out parameter obj)
{
System.Exception exception = null;
return LoadFromFile(fileName, out obj, out exception);
}
/// <summary>
/// Deserializes xml markup from file into an parameter object
/// </summary>
/// <param name="fileName">string xml file to load and deserialize</param>
/// <param name="obj">Output parameter object</param>
/// <param name="exception">output Exception value if deserialize failed</param>
/// <returns>true if this XmlSerializer can deserialize the object; otherwise, false</returns>
public static bool LoadFromFile(string fileName, out parameter obj, out System.Exception exception)
{
exception = null;
obj = default(parameter);
try {
obj = LoadFromFile(fileName);
return true;
}
catch (System.Exception ex) {
exception = ex;
return false;
}
}
public static bool Deserialize(string xml, out parameter obj)
{
System.Exception exception = null;
return Deserialize(xml, out obj, out exception);
}
/// <summary>
/// Deserializes workflow markup into an parameter object
/// </summary>
/// <param name="xml">string workflow markup to deserialize</param>
/// <param name="obj">Output parameter object</param>
/// <param name="exception">output Exception value if deserialize failed</param>
/// <returns>true if this XmlSerializer can deserialize the object; otherwise, false</returns>
public static bool Deserialize(string xml, out parameter obj, out System.Exception exception)
{
exception = null;
obj = default(parameter);
try {
obj = Deserialize(xml);
return true;
}
catch (System.Exception ex) {
exception = ex;
return false;
}
}
void _Query(ProjectFlx.Schema.SchemaQueryType query, bool IgnoreResults)
{
string timingToken = String.Format("ProjectFlxDB.DB.SchemaBase.DatabaseQuery {0}.{1}", query.project, query.name);
if (Timing != null)
{
Timing.Start(timingToken);
}
try
{
if (query.paging == null)
{
query.paging = new ProjectFlx.Schema.paging();
}
ProjectFlx.Schema.results rslts;
_Projresults.results.Add(rslts = new ProjectFlx.Schema.results());
rslts.schema.Add(query);
rslts.name = query.name;
if (_database.State != ConnectionState.Open)
{
_database.InitializeConnection();
_database.Open();
}
InitializeCommand();
// command timeout
if (query.scripttimeoutSpecified)
{
_command.CommandTimeout = query.scripttimeout;
}
switch (query.command.type)
{
case ProjectFlx.Schema.commandType.StoredProcedure:
_command.CommandText = ProjectFlx.Schema.Helper.FlattenList(query.command.name.Text);
_command.CommandType = System.Data.CommandType.StoredProcedure;
break;
case ProjectFlx.Schema.commandType.Select:
_command.CommandText = ProjectFlx.Schema.Helper.FlattenList(query.command.text.Text);
_command.CommandType = System.Data.CommandType.Text;
break;
}
_command.Parameters.Clear(); // be sure to clear parms in case _comman reused
foreach (ProjectFlx.Schema.parameter parm in query.parameters.parameter)
{
// short circuit
if (query.command.type == Schema.commandType.Select)
{
string replace = String.Format("[{0}]", parm.name);
_command.CommandText = _command.CommandText.Replace(replace, ProjectFlx.Schema.Helper.FlattenList(parm.Text));
continue;
}
// guarantee that we setup variable for out param types
bool isoutparm = parm.inout == ProjectFlx.Schema.inoutType.inout || parm.inout == ProjectFlx.Schema.inoutType.@out;
// assume null parameter value if collection is length of 0
// see _fillParmsWeb for implementation details on
// passing null and empty strings
if (!parm.blankIsNull && parm.Text.Count == 0)
{
parm.Text.Add("");
}
if (parm.Text.Count == 0 && !isoutparm)
{
continue;
}
var value = ProjectFlx.Schema.Helper.FlattenList(parm.Text);
if (value != null || isoutparm)
{
SqlParameter inoutparm;
if (parm.type == ProjectFlx.Schema.fieldType.date)
{
string dtValue = null;
if (value.EndsWith(" GMT"))
{
dtValue = value.Substring(0, value.LastIndexOf(" GMT"));
}
if (value.EndsWith(" UTC"))
{
dtValue = value.Substring(0, value.LastIndexOf(" UTC"));
}
if (dtValue == null)
{
dtValue = value;
}
var dt = DateTime.Parse("1970-1-1 01:01:01");
DateTime.TryParse(dtValue, out dt);
if (dt.ToString("d").Equals("1/1/1970") && dt.ToString("t").Equals("1:1 AM"))
{
throw new Exception("Could not parse date: " + value);
}
inoutparm = _command.Parameters.AddWithValue(parm.name, dt);
}
else if (parm.type == Schema.fieldType.json)
{
inoutparm = _command.Parameters.AddWithValue(parm.name, value);
}
else
{
inoutparm = _command.Parameters.AddWithValue(parm.name, value);
}
switch (parm.inout)
{
case ProjectFlx.Schema.inoutType.inout:
inoutparm.Direction = ParameterDirection.InputOutput;
inoutparm.DbType = getDBTypeForSchemaParm(parm);
break;
case ProjectFlx.Schema.inoutType.@out:
inoutparm.Direction = ParameterDirection.Output;
inoutparm.DbType = getDBTypeForSchemaParm(parm);
break;
}
// enforce size for inout params (text only)
if (parm.type == ProjectFlx.Schema.fieldType.text && isoutparm)
{
if (parm.size > 0)
{
inoutparm.Size = parm.size;
}
else
{
throw new Exception(String.Format("Expecting parameter size for parameter {0} in query {1}", parm.name, query.name));
}
}
// validate json text type
if (parm.type == Schema.fieldType.json || parm.type == Schema.fieldType.tryjson)
{
try
{
var jsonObj = Newtonsoft.Json.Linq.JObject.Parse(Schema.Helper.FlattenList(parm.Text));
}
catch (Exception handled)
{
throw new Exception("Invalid Json for Parameter: " + parm.name, handled);
}
}
}
}
int result = 0;
switch (query.command.action)
{
case ProjectFlx.Schema.actionType.NonQuery:
result = _command.ExecuteNonQuery();
if (IgnoreResults == true)
{
return;
}
// populate output parameter values
foreach (SqlParameter parm in _command.Parameters)
{
if (parm.Direction == ParameterDirection.InputOutput || parm.Direction == ParameterDirection.Output)
{
ProjectFlx.Schema.parameter outboundParm = query.parameters.parameter.Find(delegate(ProjectFlx.Schema.parameter g) { return(g.name == parm.ParameterName); });
if (outboundParm != null)
{
outboundParm.Text = new List <string>();
outboundParm.Text.Add(Convert.ToString(parm.Value));
}
}
}
// set sorm sort of result
break;
case ProjectFlx.Schema.actionType.Result:
var cachekey = cacheKeyHelper(query);
var cacheresult = GetCache(cachekey);
if (cacheresult != null && CachingEnabled)
{
rslts.result = cacheresult;
}
else
{
using (SqlDataReader reader = _command.ExecuteReader())
{
if (IgnoreResults == true)
{
return;
}
readerToResult(reader, rslts.result, query.fields, query.paging);
if (_cache != null && _cachingEnabled)
{
var key = cacheKeyHelper(query);
SaveCache(key, rslts.result);
}
// include sub results (StoredProcedure returns more than one Result Set)
while (reader.NextResult())
{
if (_cache != null && _cachingEnabled)
{
throw new Exception("Caching not supported for Suquery Queries");
}
if (query.subquery != null)
{
readerToResult(reader, rslts.subresult, query.subquery.fields, query.paging);
}
}
}
}
break;
case ProjectFlx.Schema.actionType.Scalar:
Object objresult = _command.ExecuteScalar();
int scalar = 0;
int.TryParse(objresult == null ? "0" : objresult.ToString(), out scalar);
_scalar = scalar;
if (IgnoreResults == true)
{
return;
}
var r = new ProjectFlx.Schema.result();
var i = new ProjectFlx.Schema.row();
XmlDocument xm = new XmlDocument();
XmlAttribute att = xm.CreateAttribute("Scalar");
att.Value = _scalar.ToString();
i.AnyAttr.Add(att);
r.row.Add(i);
_Projresults.results.Last().result = r;
// populate output parameter values
foreach (SqlParameter parm in _command.Parameters)
{
if (parm.Direction == ParameterDirection.InputOutput || parm.Direction == ParameterDirection.Output)
{
ProjectFlx.Schema.parameter outboundParm = query.parameters.parameter.Find(delegate(ProjectFlx.Schema.parameter g) { return(g.name == parm.ParameterName); });
if (outboundParm != null)
{
outboundParm.Text = new List <string>();
outboundParm.Text.Add(Convert.ToString(parm.Value));
}
}
}
break;
}
}
finally
{
if (Timing != null)
{
Timing.Stop(timingToken);
}
}
}
/// <summary>
/// Adds a new Parameter to the Parameter list
/// guarantees the object and list are created
/// and return the newly created parameter back for
/// convenience of setting additional parameters
/// </summary>
/// <param name="Name"></param>
/// <param name="Value"></param>
/// <param name="FieldType"></param>
/// <returns></returns>
public parameter AddParameter(string Name, object Value, fieldType FieldType)
{
if (this.parameters == null)
this.parameters = new parameters();
if (this.parameters.parameter == null)
this.parameters.parameter = new List<parameter>();
var parm = new parameter() { name = Name, type = FieldType };
this.parameters.parameter.Add(parm);
parm.Text = new List<string>();
if(Value != null)
parm.Text.Add(Value.ToString());
return parm;
}
