public bool DeleteDocument(string key, Guid?etag, out RavenJObject metadata, out Guid?deletedETag)
{
var existingEtag = AssertValidEtag(key, etag, "DELETE", null);
deletedETag = existingEtag;
metadata = null;
var readResult = storage.Documents.Read(new RavenJObject {
{ "key", key }
});
if (readResult == null)
{
return(false);
}
metadata = readResult.Data().ToJObject();
storage.Documents.Remove(new RavenJObject {
{ "key", key }
});
documentCacher.RemoveCachedDocument(key, existingEtag ?? Guid.Empty);
return(true);
}
public bool DeleteDocument(string key, Etag etag, out RavenJObject metadata, out Etag deletedETag)
{
if (string.IsNullOrEmpty(key))
{
throw new ArgumentNullException("key");
}
var normalizedKey = CreateKey(key);
var normalizedKeyAsSlice = (Slice)normalizedKey;
if (etag != null)
{
EnsureDocumentEtagMatch(normalizedKey, etag, "DELETE");
}
ushort?existingVersion;
if (!tableStorage.Documents.Contains(Snapshot, normalizedKeyAsSlice, writeBatch.Value, out existingVersion))
{
if (logger.IsDebugEnabled)
{
logger.Debug("Document with key '{0}' was not found, and considered deleted", key);
}
;
metadata = null;
deletedETag = null;
return(false);
}
if (!metadataIndex.Contains(Snapshot, normalizedKeyAsSlice, writeBatch.Value)) //data exists, but metadata is not --> precaution, should never be true
{
var errorString = string.Format("Document with key '{0}' was found, but its metadata wasn't found --> possible data corruption", key);
throw new InvalidDataException(errorString);
}
var existingEtag = EnsureDocumentEtagMatch(normalizedKey, etag, "DELETE");
int _;
var documentMetadata = ReadDocumentMetadata(normalizedKey, normalizedKeyAsSlice, out _);
metadata = documentMetadata.Metadata;
deletedETag = etag != null ? existingEtag : documentMetadata.Etag;
tableStorage.Documents.Delete(writeBatch.Value, normalizedKey, existingVersion);
metadataIndex.Delete(writeBatch.Value, normalizedKey);
tableStorage.Documents.GetIndex(Tables.Documents.Indices.KeyByEtag)
.Delete(writeBatch.Value, deletedETag);
documentCacher.RemoveCachedDocument(normalizedKey, existingEtag);
if (logger.IsDebugEnabled)
{
logger.Debug("Deleted document with key = '{0}'", key);
}
return(true);
}
