/// <summary>
/// Merges current list with the list of lists specified in the parameter.
/// </summary>
/// <param name="lists">Lists to merge with.</param>
/// <returns>Merged list.</returns>
public PFKeyValueListEx <TKey, TValue> Merge(PFListEx <PFKeyValueListEx <TKey, TValue> > lists)
{
PFKeyValueListEx <TKey, TValue> mergedList = new PFKeyValueListEx <TKey, TValue>();
if (lists == null)
{
return(mergedList);
}
foreach (pfKeyValuePair <TKey, TValue> item in this)
{
mergedList.Add(item);
}
for (int listInx = 0; listInx < lists.Count; listInx++)
{
PFKeyValueListEx <TKey, TValue> tempList = lists[listInx];
if (tempList != null)
{
foreach (pfKeyValuePair <TKey, TValue> item in tempList)
{
mergedList.Add(item);
}
}
}
return(mergedList);
}
/// <summary>
/// Creates and initializes an instance of the class by loading a serialized version of the instance from a database record.
/// </summary>
/// <param name="connectionString">Connection parameters for the database.</param>
/// <param name="listName">Name of the list in the database.</param>
/// <returns>PFListEx object.</returns>
public static PFKeyValueListEx <TKey, TValue> LoadFromDatabase(string connectionString, string listName)
{
string sqlStmt = string.Empty;
PFKeyValueListEx <TKey, TValue> objectInstance = null;
PFKeyValueListEx <TKey, TValue> tempObjectInstance = new PFKeyValueListEx <TKey, TValue>();
PFDatabase db = new PFDatabase(DatabasePlatform.SQLServerCE35);
DbDataReader rdr = null;
string pfKeyValueListExXml = string.Empty;
db.ConnectionString = connectionString;
db.OpenConnection();
sqlStmt = tempObjectInstance._listsSelectSQL.Replace("<listname>", listName);
rdr = db.RunQueryDataReader(sqlStmt, CommandType.Text);
while (rdr.Read())
{
pfKeyValueListExXml = rdr.GetString(0);
objectInstance = PFKeyValueListEx <TKey, TValue> .LoadFromXmlString(pfKeyValueListExXml);
break; //should be only one record
}
db.CloseConnection();
db = null;
return(objectInstance);
}
/// <summary>
/// Converts PFKeyValueListExSorted object to PFKeyValueListEx object.
/// </summary>
/// <returns>PFKeyValueListEx object.</returns>
public PFKeyValueListEx <K, V> ConvertThisToPFKeyValueListEx()
{
PFKeyValueListEx <K, V> kvlist = new PFKeyValueListEx <K, V>();
IEnumerator <KeyValuePair <K, V> > enumerator = GetEnumerator();
while (enumerator.MoveNext())
{
// Get current key value pair
pfKeyValuePair <K, V> keyValuePair = new pfKeyValuePair <K, V>(enumerator.Current.Key, enumerator.Current.Value);
kvlist.Add(keyValuePair);
}
return(kvlist);
}
/// <summary>
/// Converts currentg instance to another PFKeyValueListEx object.
/// </summary>
/// <returns>PFKeyValueListEx object.</returns>
public PFKeyValueListEx <TKey, TValue> CopyThisToPFKeyValueListEx()
{
PFKeyValueListEx <TKey, TValue> kvlist = new PFKeyValueListEx <TKey, TValue>();
pfKeyValuePair <TKey, TValue> kvp = default(pfKeyValuePair <TKey, TValue>);
if (this.Count > 0)
{
this.SetToBOF();
kvp = this.FirstItem;
while (this.EOF == false)
{
kvlist.Add(new pfKeyValuePair <TKey, TValue>(kvp.Key, kvp.Value));
kvp = this.NextItem;
}
}
return(kvlist);
}
/// <summary>
/// Creates and initializes an instance of the class by loading a serialized version of the instance stored as a xml formatted string.
/// </summary>
/// <param name="xmlString">String containing the xml formatted representation of an instance of this class.</param>
/// <returns>An instance of PFKeyValueListEx.</returns>
public static PFKeyValueListExSorted <K, V> LoadFromXmlString(string xmlString)
{
PFKeyValueListEx <K, V> kvlist = default(PFKeyValueListEx <K, V>);
try
{
kvlist = PFKeyValueListEx <K, V> .LoadFromXmlString(xmlString);
}
catch (System.Exception ex)
{
StringBuilder errMsg = new StringBuilder();
errMsg.Length = 0;
errMsg.Append("Error while loading xml string:");
errMsg.Append(Environment.NewLine);
errMsg.Append(ex.Message);
errMsg.Append(Environment.NewLine);
errMsg.Append("XML must contain definition for a PFKeyValueListEx object. That object will be converted into a PFKeyValueListExSorted object.");
throw new System.Exception(errMsg.ToString());
}
return(ConvertPFKeyValueListExToSortedList(kvlist));
}
/// <summary>
/// Merges current list with the list specified in the parameter.
/// </summary>
/// <param name="list">List to merge with.</param>
/// <returns>Merged list.</returns>
public PFKeyValueListEx <TKey, TValue> Merge(PFKeyValueListEx <TKey, TValue> list)
{
PFKeyValueListEx <TKey, TValue> mergedList = new PFKeyValueListEx <TKey, TValue>();
if (list == null)
{
return(mergedList);
}
foreach (pfKeyValuePair <TKey, TValue> item in this)
{
mergedList.Add(item);
}
foreach (pfKeyValuePair <TKey, TValue> item in list)
{
mergedList.Add(item);
}
return(mergedList);
}
/// <summary>
/// Routine that concatenates two or more lists into one list.
/// </summary>
/// <param name="lists">List of list objects to be concatenated.</param>
/// <returns>Concatenated list.</returns>
public static PFKeyValueListEx <TKey, TValue> ConcatenateLists(PFListEx <PFKeyValueListEx <TKey, TValue> > lists)
{
PFKeyValueListEx <TKey, TValue> concatenatedList = new PFKeyValueListEx <TKey, TValue>();
if (lists == null)
{
return(concatenatedList);
}
for (int listInx = 0; listInx < lists.Count; listInx++)
{
PFKeyValueListEx <TKey, TValue> tempList = lists[listInx];
if (tempList != null)
{
foreach (pfKeyValuePair <TKey, TValue> item in tempList)
{
concatenatedList.Add(item);
}
}
}
return(concatenatedList);
}
/// <summary>
/// Converts instance of this class into an XML document.
/// </summary>
/// <returns>XmlDocument</returns>
/// ///<remarks>XML Serialization and XmlDocument class are used for the transformation.</remarks>
public XmlDocument ToXmlDocument()
{
PFKeyValueListEx <K, V> kvlist = ConvertThisToPFKeyValueListEx();
return(kvlist.ToXmlDocument());
}
/// <summary>
/// Returns a string containing the contents of the object in XML format.
/// </summary>
/// <returns>String value in xml format.</returns>
/// ///<remarks>XML Serialization is used for the transformation.</remarks>
public string ToXmlString()
{
PFKeyValueListEx <K, V> kvlist = ConvertThisToPFKeyValueListEx();
return(kvlist.ToXmlString());
}
/// <summary>
/// Creates and initializes an instance of the class by loading a serialized version of the instance from a database record.
/// </summary>
/// <param name="connectionString">Connection parameters for the database.</param>
/// <param name="listName">Name of the list in the database.</param>
/// <returns>PFListEx object.</returns>
public static PFKeyValueListExSorted <K, V> LoadFromDatabase(string connectionString, string listName)
{
PFKeyValueListEx <K, V> kvlist = PFKeyValueListEx <K, V> .LoadFromDatabase(connectionString, listName);
return(ConvertPFKeyValueListExToSortedList(kvlist));
}
/// <summary>
/// Creates and initializes an instance of the class by loading a serialized version of the instance from a file.
/// </summary>
/// <param name="filePath">Full path for the input file.</param>
/// <returns>An instance of PFKeyValueListEx.</returns>
public static PFKeyValueListExSorted <K, V> LoadFromXmlFile(string filePath)
{
PFKeyValueListEx <K, V> kvlist = PFKeyValueListEx <K, V> .LoadFromXmlFile(filePath);
return(ConvertPFKeyValueListExToSortedList(kvlist));
}
/// <summary>
/// Saves the public property values contained in the current instance to the database specified by the connection string.
/// </summary>
/// <param name="connectionString">Contains information needed to open the database.</param>
/// <param name="listName">Name to give list in the database.</param>
public void SaveToDatabase(string connectionString, string listName)
{
PFKeyValueListEx <K, V> kvlist = ConvertThisToPFKeyValueListEx();
kvlist.SaveToDatabase(connectionString, listName);
}
/// <summary>
/// Saves the public property values contained in the current instance to the specified file. Serialization is used for the save.
/// </summary>
/// <param name="filePath">Full path for output file.</param>
public void SaveToXmlFile(string filePath)
{
PFKeyValueListEx <K, V> kvlist = ConvertThisToPFKeyValueListEx();
kvlist.SaveToXmlFile(filePath);
}
/// <summary>
/// Converts PFKeyValueListEx object to PFKeyValueListExSorted object.
/// </summary>
/// <param name="kvlist"></param>
/// <returns>PFKeyValueListExSorted object.</returns>
public static PFKeyValueListExSorted <K, V> ConvertPFKeyValueListExToSortedList(PFKeyValueListEx <K, V> kvlist)
{
PFKeyValueListExSorted <K, V> kvlistSorted = new PFKeyValueListExSorted <K, V>();
kvlist.SetToBOF();
pfKeyValuePair <K, V> pfKeyValuePair = kvlist.FirstItem;
while (!kvlist.EOF)
{
kvlistSorted.Add(pfKeyValuePair.Key, pfKeyValuePair.Value);
pfKeyValuePair = kvlist.NextItem;
}
return(kvlistSorted);
}