private StandaloneMetadataStore LoadMetadataStore()
{
if (!File.Exists(_metadataPath))
{
return(CreateStandaloneMetadataStore());
}
using (var fileStream = new FileStream(_metadataPath, FileMode.Open, FileAccess.Read,
FileShare.None, BufferSize, true))
{
return(StandaloneMetadataStore.ReadFromStream(fileStream));
}
}
private void SetPropertiesImplementation()
{
using (var fileStream = new FileStream(_metadataPath, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None, BufferSize, true))
{
var metadataStore = fileStream.Length == 0
? CreateStandaloneMetadataStore()
: StandaloneMetadataStore.ReadFromStream(fileStream);
metadataStore.ContentType = _properties.ContentType;
fileStream.SetLength(0);
metadataStore.WriteToStreamAndClose(fileStream);
}
}
private void SetMetadataImplementation()
{
using (var fileStream = new FileStream(_metadataPath, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None, BufferSize, true))
{
var metadataStore = fileStream.Length == 0
? CreateStandaloneMetadataStore()
: StandaloneMetadataStore.ReadFromStream(fileStream);
foreach (var key in _metadata.Keys)
{
metadataStore.Metadata[key] = _metadata[key];
}
fileStream.SetLength(0);
metadataStore.WriteToStreamAndClose(fileStream);
}
}