public StorageLocation?GetSettingLocation(string key)
{
StorageLocation?result = null;
lockSlim.EnterReadLock();
try
{
if (localStore.Status == SettingsStoreStatus.Ready && localStore.Contains(key))
{
result = StorageLocation.Local;
}
else if (localStore != roamingStore && roamingStore.Status == SettingsStoreStatus.Ready && roamingStore.Contains(key))
{
result = StorageLocation.Roaming;
}
else if (transientStore.Status == SettingsStoreStatus.Ready && transientStore.Contains(key))
{
result = StorageLocation.Transient;
}
}
finally
{
lockSlim.ExitReadLock();
}
return(result);
}
/// <summary>
/// Generates a serializable continuation token from its XML representation.
/// </summary>
/// <param name="reader">The <see cref="T:System.Xml.XmlReader"/> stream from which the continuation token is deserialized.</param>
public void ReadXml(XmlReader reader)
{
CommonUtility.AssertNotNull("reader", reader);
// Read the xml root node
reader.MoveToContent();
reader.ReadStartElement();
// Read the additional xml node that will be present if an XmlSerializer was used to serialize this token
reader.MoveToContent();
if (reader.Name == Constants.ContinuationConstants.ContinuationTopElement)
{
reader.ReadStartElement();
}
// Read the ContinuationToken content
while (reader.IsStartElement())
{
switch (reader.Name)
{
case Constants.ContinuationConstants.VersionElement:
this.Version = reader.ReadElementContentAsString();
break;
case Constants.ContinuationConstants.TypeElement:
this.Type = reader.ReadElementContentAsString();
break;
case Constants.ContinuationConstants.TargetLocationElement:
string targetLocation = reader.ReadElementContentAsString();
StorageLocation location;
if (Enum.TryParse(targetLocation, out location))
{
this.TargetLocation = location;
}
else
{
throw new XmlException(string.Format(CultureInfo.InvariantCulture, SR.UnexpectedLocation, targetLocation));
}
break;
case Constants.ContinuationConstants.NextPartitionKeyElement:
this.NextPartitionKey = reader.ReadElementContentAsString();
break;
case Constants.ContinuationConstants.NextRowKeyElement:
this.NextRowKey = reader.ReadElementContentAsString();
break;
case Constants.ContinuationConstants.NextTableNameElement:
this.NextTableName = reader.ReadElementContentAsString();
break;
default:
throw new XmlException(string.Format(CultureInfo.InvariantCulture, SR.UnexpectedElement, reader.Name));
}
}
}
public SerializableSetting(
string name,
object settingValue,
StorageLocation?storageLocation)
{
Name = AssertArg.IsNotNull(name, nameof(name));
SettingValue = settingValue;
StorageLocation = storageLocation;
}
/// <summary>
/// Generates a serializable continuation token from its XML representation.
/// </summary>
/// <param name="reader">The <see cref="T:System.Xml.XmlReader"/> stream from which the continuation token is deserialized.</param>
public async Task ReadXmlAsync(XmlReader reader)
{
CommonUtility.AssertNotNull("reader", reader);
// Read the xml root node
await reader.MoveToContentAsync().ConfigureAwait(false);
await reader.ReadStartElementAsync().ConfigureAwait(false);
// Read the additional xml node that will be present if an XmlSerializer was used to serialize this token
await reader.MoveToContentAsync().ConfigureAwait(false);
if (reader.Name == Constants.ContinuationConstants.ContinuationTopElement)
{
await reader.ReadStartElementAsync().ConfigureAwait(false);
}
// Read the ContinuationToken content
while (await reader.IsStartElementAsync().ConfigureAwait(false))
{
switch (reader.Name)
{
case Constants.ContinuationConstants.VersionElement:
this.Version = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
break;
case Constants.ContinuationConstants.NextMarkerElement:
this.NextMarker = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
break;
case Constants.ContinuationConstants.TargetLocationElement:
string targetLocation = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
StorageLocation location;
if (Enum.TryParse(targetLocation, out location))
{
this.TargetLocation = location;
}
else if (!string.IsNullOrEmpty(targetLocation))
{
throw new XmlException(string.Format(CultureInfo.InvariantCulture, SR.UnexpectedLocation, targetLocation));
}
break;
case Constants.ContinuationConstants.TypeElement:
this.Type = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
break;
default:
throw new XmlException(string.Format(CultureInfo.InvariantCulture, SR.UnexpectedElement, reader.Name));
}
}
}
private static char Serialize(StorageLocation?location)
{
if (!location.HasValue)
{
return('*'); // Primary or Secondary
}
else
{
StorageLocation locationValue = location.Value;
switch (locationValue)
{
case StorageLocation.Primary:
return('P');
case StorageLocation.Secondary:
return('S');
default:
throw new ArgumentOutOfRangeException("location", "Unknown StorageLocation.");
}
}
}
/// <summary>
/// Generates a serializable continuation token from its XML representation.
/// </summary>
/// <param name="reader">The <see cref="T:System.Xml.XmlReader"/> stream from which the continuation token is deserialized.</param>
public void ReadXml(XmlReader reader)
{
CommonUtility.AssertNotNull("reader", reader);
// Read the xml root node
reader.MoveToContent();
reader.ReadStartElement();
// Read the additional xml node that will be present if an XmlSerializer was used to serialize this token
reader.MoveToContent();
if (reader.Name == Constants.ContinuationConstants.ContinuationTopElement)
{
reader.ReadStartElement();
}
// Read the ContinuationToken content
while (reader.IsStartElement())
{
switch (reader.Name)
{
case Constants.ContinuationConstants.VersionElement:
this.Version = reader.ReadElementContentAsString();
break;
case Constants.ContinuationConstants.NextMarkerElement:
this.NextMarker = reader.ReadElementContentAsString();
break;
case Constants.ContinuationConstants.TargetLocationElement:
string targetLocation = reader.ReadElementContentAsString();
StorageLocation location;
if (Enum.TryParse(targetLocation, out location))
{
this.TargetLocation = location;
}
else
{
throw new XmlException(string.Format(CultureInfo.InvariantCulture, SR.UnexpectedLocation, targetLocation));
}
break;
case Constants.ContinuationConstants.TypeElement:
this.Type = reader.ReadElementContentAsString();
break;
default:
throw new XmlException(string.Format(CultureInfo.InvariantCulture, SR.UnexpectedElement, reader.Name));
}
}
}
