/// <summary>
/// Writes all changes down to persistence.
/// </summary>
/// <param name="persistentSerializer">The persistent serializer.</param>
void IPersistentData.Write(IPersistentSerializer persistentSerializer)
{
lock (_persistentValues)
{
foreach (var persistentValue in _persistentValues.Values)
{
if (persistentValue.Dirty)
Write(persistentValue, persistentSerializer);
}
}
}
/// <summary>
/// Writes all changes down to persistence.
/// </summary>
/// <param name="persistentSerializer">The persistent serializer.</param>
void IPersistentData.Write(IPersistentSerializer persistentSerializer)
{
lock (_persistentValues)
{
foreach (var persistentValue in _persistentValues.Values)
{
if (persistentValue.Dirty)
{
Write(persistentValue, persistentSerializer);
}
}
}
}
/// <summary>
/// Sets the value.
/// </summary>
/// <param name="name">The name.</param>
/// <param name="value">The value.</param>
/// <param name="valueType"></param>
/// <param name="writeNow">if set to <c>true</c> persists the value immediately.</param>
/// <param name="persistentSerializer">The persistent serializer.</param>
void IPersistentData.SetValue(string name, object value, Type valueType, bool writeNow, IPersistentSerializer persistentSerializer)
{
lock (_persistentValues)
{
PersistentValue persistentValue;
// if the value is not found (this is probably rare), then a container is created
if (!_persistentValues.TryGetValue(name, out persistentValue))
{
persistentValue = new PersistentValue
{
Name = name,
ValueType = valueType,
};
_persistentValues[name] = persistentValue;
}
// then the value is set anyway
// TODO: conditional dirty (if value actually changes)
persistentValue.Value = value;
persistentValue.Dirty = true;
// if it has to be written immediately, then do it
if (writeNow)
Write(persistentValue, persistentSerializer);
}
}
/// <summary>
/// Gets the persistent value.
/// </summary>
/// <param name="name">The name.</param>
/// <param name="valueType">Type of the value.</param>
/// <param name="defaultValue">The default value.</param>
/// <param name="persistentSerializer">The persistent serializer.</param>
/// <returns></returns>
private PersistentValue GetPersistentValue(string name, Type valueType, object defaultValue, IPersistentSerializer persistentSerializer)
{
lock (_persistentValues)
{
if (!_persistentValues.TryGetValue(name, out var persistentValue))
{
// value is read from serializer only if not found in memory
if (!persistentSerializer.TryLoadValue(name, valueType, out var value))
{
value = defaultValue;
}
persistentValue = new PersistentValue
{
Name = name,
Value = value,
ValueType = valueType,
Dirty = false,
};
}
return(persistentValue);
}
}
/// <summary>
/// Gets a value, or default value.
/// </summary>
/// <param name="name">The name.</param>
/// <param name="valueType"></param>
/// <param name="defaultValue">The default value.</param>
/// <param name="persistentSerializer">The persistent serializer.</param>
/// <returns></returns>
object IPersistentData.GetValue(string name, Type valueType, object defaultValue, IPersistentSerializer persistentSerializer)
{
return(GetPersistentValue(name, valueType, defaultValue, persistentSerializer).Value);
}
/// <summary>
/// Writes the specified persistent value.
/// </summary>
/// <param name="persistentValue">The persistent value.</param>
/// <param name="persistentSerializer">The persistent serializer.</param>
private static void Write(PersistentValue persistentValue, IPersistentSerializer persistentSerializer)
{
persistentSerializer.SaveValue(persistentValue.Name, persistentValue.ValueType, persistentValue.Value);
persistentValue.Dirty = false;
}
/// <summary>
/// Sets the value.
/// </summary>
/// <param name="name">The name.</param>
/// <param name="value">The value.</param>
/// <param name="valueType"></param>
/// <param name="writeNow">if set to <c>true</c> persists the value immediately.</param>
/// <param name="persistentSerializer">The persistent serializer.</param>
void IPersistentData.SetValue(string name, object value, Type valueType, bool writeNow, IPersistentSerializer persistentSerializer)
{
lock (_persistentValues)
{
// if the value is not found (this is probably rare), then a container is created
if (!_persistentValues.TryGetValue(name, out var persistentValue))
{
persistentValue = new PersistentValue
{
Name = name,
ValueType = valueType,
};
_persistentValues[name] = persistentValue;
}
// then the value is set anyway
// TODO: conditional dirty (if value actually changes)
persistentValue.Value = value;
persistentValue.Dirty = true;
// if it has to be written immediately, then do it
if (writeNow)
{
Write(persistentValue, persistentSerializer);
}
}
}
/// <summary>
/// Writes the specified persistent value.
/// </summary>
/// <param name="persistentValue">The persistent value.</param>
/// <param name="persistentSerializer">The persistent serializer.</param>
private static void Write(PersistentValue persistentValue, IPersistentSerializer persistentSerializer)
{
persistentSerializer.SaveValue(persistentValue.Name, persistentValue.ValueType, persistentValue.Value);
persistentValue.Dirty = false;
}
/// <summary>
/// Gets a value, or default value.
/// </summary>
/// <param name="name">The name.</param>
/// <param name="valueType"></param>
/// <param name="defaultValue">The default value.</param>
/// <param name="persistentSerializer">The persistent serializer.</param>
/// <returns></returns>
object IPersistentData.GetValue(string name, Type valueType, object defaultValue, IPersistentSerializer persistentSerializer)
{
return GetPersistentValue(name, valueType, defaultValue, persistentSerializer).Value;
}
/// <summary>
/// Gets the persistent value.
/// </summary>
/// <param name="name">The name.</param>
/// <param name="valueType">Type of the value.</param>
/// <param name="defaultValue">The default value.</param>
/// <param name="persistentSerializer">The persistent serializer.</param>
/// <returns></returns>
private PersistentValue GetPersistentValue(string name, Type valueType, object defaultValue, IPersistentSerializer persistentSerializer)
{
lock (_persistentValues)
{
PersistentValue persistentValue;
if (!_persistentValues.TryGetValue(name, out persistentValue))
{
// value is read from serializer only if not found in memory
object value;
if (!persistentSerializer.TryLoadValue(name, valueType, out value))
value = defaultValue;
persistentValue = new PersistentValue
{
Name = name,
Value = value,
ValueType = valueType,
Dirty = false,
};
}
return persistentValue;
}
}
