/// <summary>
/// Create an object based on the specified location.
/// </summary>
/// <param name="location">The location to load/save from.</param>
/// <param name="mode">The file mode.</param>
public EncogPersistedCollection(IPersistenceLocation location, FileMode mode)
{
this.filePrimary = location;
if (this.filePrimary is FilePersistence)
{
String file = ((FilePersistence)this.filePrimary).FileName;
int index = file.LastIndexOf('.');
if (index != -1)
{
file = file.Substring(0, index);
}
file += ".tmp";
this.fileTemp = new FilePersistence(file);
if (this.filePrimary.Exists())
{
BuildDirectory();
}
else
{
Create();
}
}
else
{
this.fileTemp = null;
}
}
/// <summary>
/// Modify the specified object, such as changing its name or
/// description.
/// </summary>
/// <param name="location">The location of the object being modified.</param>
/// <param name="name">The old name of the object being modified.</param>
/// <param name="newName">The new name of the object being modified.</param>
/// <param name="newDesc">The new description of the object being modified.</param>
public void ModifyObject(IPersistenceLocation location,
String name, String newName, String newDesc)
{
PersistReader reader = new PersistReader(location);
reader.SaveModified(this.xmlOut, name, newName, newDesc);
reader.Close();
}
/// <summary>
/// Merge the objects from this collection into the new one.
/// Skip the specified object.
/// </summary>
/// <param name="location">The location to merge to.</param>
/// <param name="skip">The object to skip.</param>
public void MergeObjects(IPersistenceLocation location,
String skip)
{
PersistReader reader = new PersistReader(location);
reader.SaveTo(this.xmlOut, skip);
reader.Close();
}
/// <summary>
/// Rename this file to a different location.
/// </summary>
/// <param name="toLocation">What to rename to.</param>
public void RenameTo(IPersistenceLocation toLocation)
{
String str =
"Rename is not supported on this location type.";
#if logging
if (this.logger.IsErrorEnabled)
{
this.logger.Error(str);
}
#endif
throw new PersistError(str);
}
/// <summary>
/// Rename is not supported for resource persistence.
/// </summary>
/// <param name="toLocation">Not used.</param>
public void RenameTo(IPersistenceLocation toLocation)
{
String str =
"The ResourcePersistence location does not suppor rename operations.";
#if logging
if (this.logger.IsErrorEnabled)
{
this.logger.Error(str);
}
#endif
throw new PersistError(str);
}
/// <summary>
/// Load the contents of a location.
/// </summary>
/// <param name="location">The location to load from.</param>
public void Load(IPersistenceLocation location)
{
PersistReader reader = null;
this.location = location;
try
{
reader = new PersistReader(location);
IDictionary <String, String> header = reader.ReadHeader();
if (header != null)
{
this.FileVersion = int.Parse(header["fileVersion"]);
this.EncogVersion = header["encogVersion"];
this.Platform = header["platform"];
}
reader.AdvanceObjectsCollection();
ReadXML xmlIn = reader.XMLInput;
this.Contents.Clear();
while (xmlIn.ReadToTag())
{
if (xmlIn.IsIt(PersistReader.TAG_OBJECTS, false))
{
break;
}
String type = xmlIn.LastTag.Name;
String name = xmlIn.LastTag.Attributes["name"];
IPersistor persistor = PersistorUtil
.CreatePersistor(type);
if (persistor == null)
{
throw new PersistError("Do not know how to load: " + type);
}
IEncogPersistedObject obj = persistor.Load(xmlIn);
this.Contents[name] = obj;
}
}
finally
{
if (reader != null)
{
reader.Close();
}
BuildDirectory();
}
}
/// <summary>
/// Load the contents of a location.
/// </summary>
/// <param name="location">The location to load from.</param>
public void Load(IPersistenceLocation location)
{
PersistReader reader = null;
this.location = location;
try
{
reader = new PersistReader(location);
IDictionary<String, String> header = reader.ReadHeader();
if (header != null)
{
this.FileVersion = int.Parse(header["fileVersion"]);
this.EncogVersion = header["encogVersion"];
this.Platform = header["platform"];
}
reader.AdvanceObjectsCollection();
ReadXML xmlIn = reader.XMLInput;
this.Contents.Clear();
while (xmlIn.ReadToTag())
{
if (xmlIn.IsIt(PersistReader.TAG_OBJECTS, false))
{
break;
}
String type = xmlIn.LastTag.Name;
String name = xmlIn.LastTag.Attributes["name"];
IPersistor persistor = PersistorUtil
.CreatePersistor(type);
if (persistor == null)
{
throw new PersistError("Do not know how to load: " + type);
}
IEncogPersistedObject obj = persistor.Load(xmlIn);
this.Contents[name] = obj;
}
}
finally
{
if (reader != null)
{
reader.Close();
}
BuildDirectory();
}
}
/// <summary>
/// Create an object based on the specified location.
/// </summary>
/// <param name="location">The location to load/save from.</param>
/// <param name="mode">The file mode.</param>
public EncogPersistedCollection(IPersistenceLocation location, FileMode mode)
{
this.filePrimary = location;
if (this.filePrimary is FilePersistence)
{
FilePersistence locationObj = (FilePersistence)this.filePrimary;
if (locationObj.containsByteData)
{
this.fileTemp = new FilePersistence();
((FilePersistence)this.fileTemp).AddStreamData(locationObj.byteData);
if (this.filePrimary.Exists())
{
BuildDirectory();
}
}
else
{
String file = locationObj.FileName;
int index = file.LastIndexOf('.');
if (index != -1)
{
file = file.Substring(0, index);
}
file += ".tmp";
this.fileTemp = new FilePersistence(file);
if (this.filePrimary.Exists())
{
BuildDirectory();
}
else
{
Create();
}
}
}
else
{
this.fileTemp = null;
}
}
/// <summary>
/// Rename this file to a different location.
/// </summary>
/// <param name="toLocation">What to rename to.</param>
public void RenameTo(IPersistenceLocation toLocation)
{
if (!(toLocation is FilePersistence))
{
String str =
"Can only rename from one FilePersistence location to another";
#if logging
if (this.logger.IsErrorEnabled)
{
this.logger.Error(str);
}
#endif
throw new PersistError(str);
}
String toFile = ((FilePersistence)toLocation).FileName;
File.Move(this.file, toFile);
}
/// <summary>
/// Save the contents of this collection to a location.
/// </summary>
/// <param name="location">The location to save to.</param>
public void Save(IPersistenceLocation location)
{
PersistWriter writer = null;
writer = new PersistWriter(location);
try
{
writer.Begin();
writer.WriteHeader();
writer.BeginObjects();
foreach (IEncogPersistedObject obj in this.Contents.Values)
{
writer.WriteObject(obj);
}
writer.EndObjects();
}
finally
{
writer.End();
writer.Close();
}
}
/// <summary>
/// Create an object based on the specified location.
/// </summary>
/// <param name="location">The location to load/save from.</param>
/// <param name="mode">The file mode.</param>
public EncogPersistedCollection(IPersistenceLocation location, FileMode mode)
{
this.filePrimary = location;
if (this.filePrimary is FilePersistence)
{
String file = ((FilePersistence)this.filePrimary).FileName;
int index = file.LastIndexOf('.');
if (index != -1)
{
file = file.Substring(0, index);
}
file += ".tmp";
this.fileTemp = new FilePersistence(file);
if (this.filePrimary.Exists())
{
BuildDirectory();
}
else
{
Create();
}
}
else
{
this.fileTemp = null;
}
}
/// <summary>
/// Create a writer for the specified location.
/// </summary>
/// <param name="location">The location.</param>
public PersistWriter(IPersistenceLocation location)
{
this.fileOutput = location.CreateStream(FileMode.OpenOrCreate);
this.xmlOut = new WriteXML(this.fileOutput);
}
/// <summary>
/// Modify the specified object, such as changing its name or
/// description.
/// </summary>
/// <param name="location">The location of the object being modified.</param>
/// <param name="name">The old name of the object being modified.</param>
/// <param name="newName">The new name of the object being modified.</param>
/// <param name="newDesc">The new description of the object being modified.</param>
public void ModifyObject(IPersistenceLocation location,
String name, String newName, String newDesc)
{
PersistReader reader = new PersistReader(location);
reader.SaveModified(this.xmlOut, name, newName, newDesc);
reader.Close();
}
/// <summary>
/// Merge the objects from this collection into the new one.
/// Skip the specified object.
/// </summary>
/// <param name="location">The location to merge to.</param>
/// <param name="skip">The object to skip.</param>
public void MergeObjects(IPersistenceLocation location,
String skip)
{
PersistReader reader = new PersistReader(location);
reader.SaveTo(this.xmlOut, skip);
reader.Close();
}
/// <summary>
/// Rename this file to a different location.
/// </summary>
/// <param name="toLocation">What to rename to.</param>
public void RenameTo(IPersistenceLocation toLocation)
{
String str =
"Rename is not supported on this location type.";
#if logging
if (this.logger.IsErrorEnabled)
{
this.logger.Error(str);
}
#endif
throw new PersistError(str);
}
/// <summary>
/// Rename this file to a different location.
/// </summary>
/// <param name="toLocation">What to rename to.</param>
public void RenameTo(IPersistenceLocation toLocation)
{
if (!(toLocation is FilePersistence))
{
String str =
"Can only rename from one FilePersistence location to another";
#if logging
if (this.logger.IsErrorEnabled)
{
this.logger.Error(str);
}
#endif
throw new PersistError(str);
}
String toFile = ((FilePersistence)toLocation).FileName;
File.Move(this.file, toFile);
}
/// <summary>
/// Rename is not supported for resource persistence.
/// </summary>
/// <param name="toLocation">Not used.</param>
public void RenameTo(IPersistenceLocation toLocation)
{
String str =
"The ResourcePersistence location does not suppor rename operations.";
#if logging
if (this.logger.IsErrorEnabled)
{
this.logger.Error(str);
}
#endif
throw new PersistError(str);
}
/// <summary>
/// Create a writer for the specified location.
/// </summary>
/// <param name="location">The location.</param>
public PersistWriter(IPersistenceLocation location)
{
this.fileOutput = location.CreateStream(FileMode.OpenOrCreate);
this.xmlOut = new WriteXML(this.fileOutput);
}
/// <summary>
/// Construct a persist reader.
/// </summary>
/// <param name="location">The location to use.</param>
public PersistReader(IPersistenceLocation location)
{
this.fileInput = location.CreateStream(FileMode.Open);
this.xmlIn = new ReadXML(this.fileInput);
}
/// <summary>
/// Construct a persist reader.
/// </summary>
/// <param name="location">The location to use.</param>
public PersistReader(IPersistenceLocation location)
{
this.fileInput = location.CreateStream(FileMode.Open);
this.xmlIn = new ReadXML(this.fileInput);
}
/// <summary>
/// Save the contents of this collection to a location.
/// </summary>
/// <param name="location">The location to save to.</param>
public void Save(IPersistenceLocation location)
{
PersistWriter writer = null;
writer = new PersistWriter(location);
try
{
writer.Begin();
writer.WriteHeader();
writer.BeginObjects();
foreach (IEncogPersistedObject obj in this.Contents.Values)
{
writer.WriteObject(obj);
}
writer.EndObjects();
}
finally
{
writer.End();
writer.Close();
}
}
