private bool SaveObject(IPersistable obj)
{
string filename = GetObjectFilename(obj);
FileInfo file = _scope.Context.GetResource(filename).File;
string path = file.DirectoryName;
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
lock (this.SyncRoot)
{
MemoryStream ms = new MemoryStream();
AMFWriter writer = new AMFWriter(ms);
writer.UseLegacyCollection = false;
writer.WriteString(obj.GetType().FullName);
//amfSerializer.WriteData(ObjectEncoding.AMF0, obj);
obj.Serialize(writer);
writer.Flush();
byte[] buffer = ms.ToArray();
ms.Close();
using (FileStream fs = new FileStream(file.FullName, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite))
{
fs.Write(buffer, 0, buffer.Length);
fs.Close();
}
}
return(true);
}
protected string GetObjectId(IPersistable obj)
{
string name = obj.GetType().Name;
if (!obj.Path.StartsWith("/"))
{
name = name + "/";
}
name = name + obj.Path;
if (!name.EndsWith("/"))
{
name = name + "/";
}
string str2 = obj.Name;
if (str2 == null)
{
str2 = "__null__";
}
if (str2.StartsWith("/"))
{
str2 = str2.Substring(1);
}
return(name + str2);
}
/// <summary>
/// Saves the specified instance the the options file(s).
/// </summary>
public void SaveInstance(IPersistable persistableObject)
{
Type t = persistableObject.GetType();
if (!typeCache.ContainsKey(t))
{
RegisterInstance(persistableObject);
}
TypeReflectionCache cache = typeCache[t];
foreach (TypeReflectionCacheItem item in cache.Properties)
{
bool created;
XmlNode valueNode = OptionsMerger.LocateOrCreateNode(item, persistableObject, out created);
object newValue = item.PropertyInfo.GetValue(persistableObject, null);
OptionsMerger.SetNodeValue(valueNode, newValue.ToString(), item.PersistanceInformation.Encrypted);
}
// Don't save the files to disk if we are currently in batch update mode.
if (!batchInProgress)
{
SaveFiles();
}
}
protected string GetObjectId(IPersistable obj)
{
// The format of the object id is <type>/<path>/<objectName>
string result = obj.GetType().Name;
if (!obj.Path.StartsWith("/"))
{
result += "/";
}
result += obj.Path;
if (!result.EndsWith("/"))
{
result += "/";
}
string name = obj.Name;
if (name == null)
{
name = PersistenceNoName;
}
if (name.StartsWith("/"))
{
// "result" already ends with a slash
name = name.Substring(1);
}
return(result + name);
}
public void Serialize(StateMap sd, SerializationHelper helper)
{
sd.Set("Type", _persistable.GetType().SimpleQualifiedName());
_persistable.Serialize(sd, helper);
//stateToSerialize["PersistableStateMap"] = _persistableStateMap;
}
public static bool Insert <T>(this IPersistable <T> obj, bool recursive)
{
var inserts = new List <Func <bool> >();
if (recursive)
{
var mis = obj.GetType().GetMembers().Where(m => m.CanPreserve() && !m.GetDeclarationType().IsSimpleType()).Select(m => obj.Get(m.Name));
mis.ForEach(m => {
var insert = GetInsert(m);
if (insert != null)
{
inserts.Add(insert);
}
});
if (inserts.Count > 0)
{
using (var tran = new TransactionScope()) {
inserts.ForEach(insert => insert());
DataContext.GetEntry <T>().Insert((T)obj);
tran.Complete();
return(true);
}
}
}
return(DataContext.GetEntry <T>().Insert((T)obj) > 0);
}
private bool SaveObject(IPersistable obj)
{
string objectFilename = this.GetObjectFilename(obj);
FileInfo file = base._scope.Context.GetResource(objectFilename).File;
string directoryName = file.DirectoryName;
if (!Directory.Exists(directoryName))
{
Directory.CreateDirectory(directoryName);
}
lock (base.SyncRoot)
{
MemoryStream stream = new MemoryStream();
AMFWriter writer = new AMFWriter(stream)
{
UseLegacyCollection = false
};
writer.WriteString(obj.GetType().FullName);
obj.Serialize(writer);
writer.Flush();
byte[] buffer = stream.ToArray();
stream.Close();
using (FileStream stream2 = new FileStream(file.FullName, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite))
{
stream2.Write(buffer, 0, buffer.Length);
stream2.Close();
}
}
return(true);
}
public bool UpdateEntity(IPersistable entity)
{
if (entity.GetType() == typeof(Rentee))
{
return(handler.UpdateRentee(entity as Rentee));
}
else if (entity.GetType() == typeof(Order))
{
return(handler.UpdateOrder(entity as Order));
}
else if (entity.GetType() == typeof(Bike))
{
return(handler.UpdateBike(entity as Bike));
}
else
{
return(false);
}
}
/// <summary>
/// Loads the specified instance from the options file(s).
/// </summary>
public void LoadInstance(IPersistable persistableObject)
{
Type t = persistableObject.GetType();
if (!typeCache.ContainsKey(t))
{
RegisterInstance(persistableObject);
}
TypeReflectionCache cache = typeCache[t];
foreach (TypeReflectionCacheItem item in cache.Properties)
{
bool created;
XmlNode valueNode = LocateOrCreateNode(item, persistableObject, out created);
string value = valueNode.InnerText;
if (item.PersistanceInformation.Encrypted)
{
value = OptionsMerger.DecryptString(value);
}
Type propertyType = item.PropertyInfo.PropertyType;
if (propertyType == typeof(string))
{
item.PropertyInfo.SetValue(persistableObject, value, null);
}
else if (propertyType == typeof(Single))
{
item.PropertyInfo.SetValue(persistableObject, Convert.ToSingle(value), null);
}
else if (propertyType == typeof(int))
{
item.PropertyInfo.SetValue(persistableObject, Convert.ToInt32(value), null);
}
else if (propertyType == typeof(bool))
{
item.PropertyInfo.SetValue(persistableObject, Convert.ToBoolean(value), null);
}
else
{
throw new Exception("An unknown type was encountered while loading named instance '" +
persistableObject.InstanceName + "' - " + propertyType);
}
if (created)
{
SaveInstance(persistableObject);
}
}
}
/// <summary>
/// Create a TypeReflectionCache object from the specified IPersistable instance.
/// </summary>
public TypeReflectionCache(IPersistable instance)
{
type = instance.GetType();
EventInfo[] events = type.GetEvents();
foreach (PropertyInfo pi in type.GetProperties())
{
List <PropertyInfo> cachedProperties = new List <PropertyInfo>();
object[] attributes = pi.GetCustomAttributes(typeof(PersistableOption), true);
if (attributes.Length > 0)
{
// This is a persistable option.
PersistableOption optAtt = attributes[0] as PersistableOption;
// Add this property to the cache list.
TypeReflectionCacheItem item = new TypeReflectionCacheItem();
item.PropertyInfo = pi;
item.PersistanceInformation = optAtt;
// Link up any events tagged with with UpdateHandler attribute.
foreach (EventInfo info in events)
{
if (info.EventHandlerType == typeof(EventHandler))
{
// Check to see if the event is tagged as an OptionUpdateNotifier.
object[] eventAttributes = info.GetCustomAttributes(typeof(OptionUpdateNotifier), true);
if (eventAttributes.Length > 0)
{
// If has the proper attribute - if the name matches, we have a linked event.
OptionUpdateNotifier updateAtt = eventAttributes[0] as OptionUpdateNotifier;
if (updateAtt.LinkedOptionName == optAtt.Name)
{
// A linked event was found.
item.EventInfo = info;
}
}
}
}
// Add the cache item to the properties list.
properties.Add(item);
}
}
}
public void DeleteDependencies(IPersistable obj)
{
Type objType = obj.GetType();
foreach (var dependency in obj.DbDependencies)
{
if (!dependency.AutoDelete)
{
continue;
}
PropertyInfo propInfo = objType.GetProperty(dependency.Property);
var persistable = propInfo.GetValue(obj, null) as IPersistable;
if (persistable != null)
{
Delete(persistable);
}
}
}
protected string GetObjectId(IPersistable obj) {
// The format of the object id is <type>/<path>/<objectName>
string result = obj.GetType().Name;
if (!obj.Path.StartsWith("/"))
result += "/";
result += obj.Path;
if (!result.EndsWith("/"))
result += "/";
string name = obj.Name;
if (name == null)
name = PersistenceNoName;
if (name.StartsWith("/")) {
// "result" already ends with a slash
name = name.Substring(1);
}
return result + name;
}
/// <summary>
/// Registers an instance with the SettingsManager, linking up any auto-update events.
/// </summary>
protected void RegisterInstance(IPersistable instance)
{
Type t = instance.GetType();
// Retreive the type's cache, or create one if it does not already exist.
if (!typeCache.ContainsKey(t))
{
typeCache.Add(t, new TypeReflectionCache(instance));
}
TypeReflectionCache cache = typeCache[t];
// Hook up any existing auto-update event handlers for this instance.
foreach (TypeReflectionCacheItem item in cache.Properties)
{
if (item.EventInfo != null)
{
item.EventInfo.AddEventHandler(instance, new EventHandler(UpdateHandler));
}
}
}
public void Write(IPersistable item)
{
Write(item.GetType().FullName);
item.Save(this);
}
private bool SaveObject(IPersistable obj) {
string filename = GetObjectFilename(obj);
FileInfo file = _scope.Context.GetResource(filename).File;
string path = file.DirectoryName;
if (!Directory.Exists(path))
Directory.CreateDirectory(path);
lock (this.SyncRoot) {
MemoryStream ms = new MemoryStream();
AMFWriter writer = new AMFWriter(ms);
writer.UseLegacyCollection = false;
writer.WriteString(obj.GetType().FullName);
//amfSerializer.WriteData(ObjectEncoding.AMF0, obj);
obj.Serialize(writer);
writer.Flush();
byte[] buffer = ms.ToArray();
ms.Close();
using (FileStream fs = new FileStream(file.FullName, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite)) {
fs.Write(buffer, 0, buffer.Length);
fs.Close();
}
}
return true;
}
