private VersionedDocumentReadResult <TDocument> ReadDocumentAsync <TDocument>(
string id,
DocumentTypeMapping <TDocument> mapping,
IList <VersionedDbDocument> documents,
VersionedDocumentReadOptions readOptions)
{
VersionedDbDocument document;
DateTime createdTime;
DateTime modifiedTime;
if (!TryGetLatestDocument(documents, readOptions, out document, out createdTime, out modifiedTime))
{
return(null);
}
var metadata = new VersionedDocumentMetadata(document.Version, document.Deleted, createdTime, modifiedTime, document.Actor);
TDocument content;
DocumentReadFailureDetails failure;
if (!TryGetDocumentContent(document, mapping, out content, out failure))
{
return(VersionedDocumentReadResult <TDocument> .CreateFailure(id, metadata, failure));
}
return(VersionedDocumentReadResult <TDocument> .CreateOkay(id, metadata, content));
}
/// <inheritdoc />
public async Task <VersionedDocumentQueryResult <TDocument> > GetDocumentsAsync <TDocument>(
string query,
IEnumerable <DbParameter> parameters,
DocumentTypeMapping <TDocument> mapping,
VersionedDocumentReadOptions options)
{
if (query == null)
{
throw new ArgumentNullException(nameof(query));
}
if (mapping == null)
{
throw new ArgumentNullException(nameof(mapping));
}
parameters = parameters ?? new DbParameter[0];
var builtQuery = QueryClient.CreateQueryByLatest(mapping, query, parameters);
var documents = await ExecuteQueryAsync(builtQuery);
if (documents.Count == 0)
{
return(VersionedDocumentQueryResult <TDocument> .Empty);
}
options = options ?? new VersionedDocumentReadOptions();
List <VersionedDocumentReadResult <TDocument> > loaded = new List <VersionedDocumentReadResult <TDocument> >();
List <VersionedDocumentReadResult <TDocument> > failed = new List <VersionedDocumentReadResult <TDocument> >();
foreach (var docs in documents.GroupBy(x => x.DocumentId))
{
VersionedDbDocument doc;
DateTime createdTime;
DateTime modifiedTime;
if (!TryGetLatestDocument(docs, options, out doc, out createdTime, out modifiedTime))
{
// Document exists but the latest version is deleted.
continue;
}
var metadata = new VersionedDocumentMetadata(doc.Version, doc.Deleted, createdTime, modifiedTime, doc.Actor);
TDocument content;
DocumentReadFailureDetails failure;
if (TryGetDocumentContent(doc, mapping, out content, out failure))
{
loaded.Add(VersionedDocumentReadResult <TDocument> .CreateOkay(doc.DocumentId, metadata, content));
}
else
{
failed.Add(VersionedDocumentReadResult <TDocument> .CreateFailure(doc.DocumentId, metadata, failure));
}
}
return(new VersionedDocumentQueryResult <TDocument>(ImmutableList.CreateRange(loaded), ImmutableList.CreateRange(failed)));
}
/// <summary>
/// Initialises a new instance of the <see cref="VersionedDocumentWithMetadata{TDocument}"/> class.
/// </summary>
/// <param name="metadata">The metadata.</param>
/// <param name="document">The document.</param>
public VersionedDocumentWithMetadata(VersionedDocumentMetadata metadata, TDocument document)
{
if (metadata == null)
{
throw new ArgumentNullException(nameof(metadata));
}
if (document == null)
{
throw new ArgumentNullException(nameof(document));
}
Metadata = metadata;
Document = document;
}
private VersionedDocumentReadResult(
string documentId,
VersionedDocumentMetadata metadata,
TDocument document,
DocumentReadFailureDetails failureDetails,
DocumentReadResultType resultType)
{
DocumentId = documentId;
FailureDetails = failureDetails;
ResultType = resultType;
// Both may be null.
Metadata = metadata;
Document = document;
}
private VersionedDocumentReadResult <TDocument> CreateReadResult <TDocument>(
string id,
VersionedDbDocument document,
DocumentTypeMapping <TDocument> mapping,
DateTime createdTime,
DateTime modifiedTime)
{
var metadata = new VersionedDocumentMetadata(document.Version, document.Deleted, createdTime, modifiedTime, document.Actor);
TDocument content;
DocumentReadFailureDetails failure;
if (!TryGetDocumentContent(document, mapping, out content, out failure))
{
return(VersionedDocumentReadResult <TDocument> .CreateFailure(id, metadata, failure));
}
return(VersionedDocumentReadResult <TDocument> .CreateOkay(id, metadata, content));
}
/// <summary>
/// Initialises a new instance of the <see cref="VersionedDocumentUpsertResult{TDocument}"/> class.
/// </summary>
/// <param name="documentId">The document id.</param>
/// <param name="metadata">The document metadata.</param>
/// <param name="document">The document that was stored.</param>
public VersionedDocumentUpsertResult(string documentId, VersionedDocumentMetadata metadata, TDocument document)
{
if (documentId == null)
{
throw new ArgumentNullException(nameof(documentId));
}
if (metadata == null)
{
throw new ArgumentNullException(nameof(metadata));
}
if (document == null)
{
throw new ArgumentNullException(nameof(document));
}
DocumentId = documentId;
DocumentVersion = metadata.Version;
Document = document;
DocumentWithMetadata = new VersionedDocumentWithMetadata <TDocument>(metadata, document);
}
/// <summary>
/// Creates a unsuccessful read result.
/// </summary>
/// <param name="documentId">The document id.</param>
/// <param name="metadata">The document metadata.</param>
/// <param name="failureDetails">The failure details.</param>
/// <returns>A document read result indicating failure.</returns>
public static VersionedDocumentReadResult <TDocument> CreateFailure(
string documentId,
VersionedDocumentMetadata metadata,
DocumentReadFailureDetails failureDetails)
{
if (documentId == null)
{
throw new ArgumentNullException(nameof(documentId));
}
if (metadata == null)
{
throw new ArgumentNullException(nameof(metadata));
}
if (failureDetails == null)
{
throw new ArgumentNullException(nameof(failureDetails));
}
return(new VersionedDocumentReadResult <TDocument>(documentId, metadata, default(TDocument), failureDetails, DocumentReadResultType.Failed));
}
public async Task <IList <VersionedDocumentWithMetadata <TDocument> > > GetDocumentsAsync <TDocument>(
DocumentTypeMapping <TDocument> mapping,
VersionedDocumentReadOptions options)
{
if (mapping == null)
{
throw new ArgumentNullException(nameof(mapping));
}
options = options ?? new VersionedDocumentReadOptions();
var query = QueryClient.CreateQueryByLatest(mapping, null);
var documents = await ExecuteQueryAsync(query);
List <VersionedDocumentWithMetadata <TDocument> > result = new List <VersionedDocumentWithMetadata <TDocument> >();
foreach (var docs in documents.GroupBy(x => x.DocumentId))
{
VersionedDbDocument doc;
DateTime createdTime;
DateTime modifiedTime;
if (!TryGetLatestDocument(docs, options, out doc, out createdTime, out modifiedTime))
{
// Document exists but the latest version is deleted.
continue;
}
TDocument content;
if (TryGetDocumentContent(doc, mapping, out content, out _))
{
var metadata = new VersionedDocumentMetadata(doc.Version, doc.Deleted, createdTime, modifiedTime, doc.Actor);
result.Add(new VersionedDocumentWithMetadata <TDocument>(metadata, content));
}
}
return(result);
}
/// <inheritdoc />
public async Task <VersionedDocumentMetadataReadResult> GetDocumentMetadataAsync <TDocument>(
string id,
DocumentTypeMapping <TDocument> mapping)
{
if (id == null)
{
throw new ArgumentNullException(nameof(id));
}
if (mapping == null)
{
throw new ArgumentNullException(nameof(mapping));
}
var query = QueryClient.CreateQueryAllVersionsById(id, mapping);
var documents = await ExecuteQueryAsync(query);
var ordered = documents.OrderBy(d => d.Version).ToArray();
if (ordered.Length == 0)
{
// Document not found.
return(null);
}
var records = new List <VersionedDocumentMetadata>();
var createdTime = ordered[0].Timestamp;
foreach (var document in ordered)
{
var metadata = new VersionedDocumentMetadata(
document.Version, document.Deleted, createdTime, document.Timestamp, document.Actor);
records.Add(metadata);
}
return(new VersionedDocumentMetadataReadResult(id, ImmutableList.CreateRange(records)));
}
/// <inheritdoc />
public async Task <VersionedDocumentBatchReadResult <TDocument> > GetDocumentsAsync <TDocument>(
IEnumerable <string> ids,
DocumentTypeMapping <TDocument> mapping,
VersionedDocumentReadOptions options)
{
if (ids == null)
{
throw new ArgumentNullException(nameof(ids));
}
if (mapping == null)
{
throw new ArgumentNullException(nameof(mapping));
}
var idSet = new HashSet <string>(ids);
if (idSet.Count == 0)
{
return(VersionedDocumentBatchReadResult <TDocument> .Empty);
}
options = options ?? new VersionedDocumentReadOptions();
var query = QueryClient.CreateQueryByIds(idSet, mapping);
var documents = await ExecuteQueriesAsync(query);
List <VersionedDocumentReadResult <TDocument> > loaded = new List <VersionedDocumentReadResult <TDocument> >();
List <VersionedDocumentReadResult <TDocument> > failed = new List <VersionedDocumentReadResult <TDocument> >();
foreach (var docs in documents.GroupBy(x => x.DocumentId))
{
VersionedDbDocument doc;
DateTime createdTime;
DateTime modifiedTime;
if (!TryGetLatestDocument(docs, options, out doc, out createdTime, out modifiedTime))
{
// Document exists but the latest version is deleted.
continue;
}
var metadata = new VersionedDocumentMetadata(doc.Version, doc.Deleted, createdTime, modifiedTime, doc.Actor);
TDocument content;
DocumentReadFailureDetails failure;
if (TryGetDocumentContent(doc, mapping, out content, out failure))
{
loaded.Add(VersionedDocumentReadResult <TDocument> .CreateOkay(doc.DocumentId, metadata, content));
}
else
{
failed.Add(VersionedDocumentReadResult <TDocument> .CreateFailure(doc.DocumentId, metadata, failure));
}
idSet.Remove(doc.DocumentId);
}
var missing = ImmutableList.CreateRange(idSet);
return(new VersionedDocumentBatchReadResult <TDocument>(ImmutableList.CreateRange(loaded), missing, ImmutableList.CreateRange(failed)));
}
/// <summary>
/// Creates a successful read result.
/// </summary>
/// <param name="documentId">The document id.</param>
/// <param name="metadata">The document metadata.</param>
/// <param name="document">The document.</param>
/// <returns>A document read result indicating success.</returns>
public static VersionedDocumentReadResult <TDocument> CreateOkay(string documentId, VersionedDocumentMetadata metadata, TDocument document)
{
if (documentId == null)
{
throw new ArgumentNullException(nameof(documentId));
}
if (metadata == null)
{
throw new ArgumentNullException(nameof(metadata));
}
if (document == null)
{
throw new ArgumentNullException(nameof(document));
}
return(new VersionedDocumentReadResult <TDocument>(documentId, metadata, document, null, DocumentReadResultType.Loaded));
}
