private byte[] ClientWriteBatchRequest(BodyContentType bodyContentType)
{
MemoryStream stream = new MemoryStream();
IODataRequestMessage requestMessage = new InMemoryMessage {
Stream = stream
};
requestMessage.SetHeader(ODataConstants.ContentTypeHeader, batchContentTypeApplicationJson);
using (ODataMessageWriter messageWriter = new ODataMessageWriter(requestMessage))
{
ODataBatchWriter batchWriter = messageWriter.CreateODataBatchWriter();
batchWriter.WriteStartBatch();
// Write a change set with update operation.
batchWriter.WriteStartChangeset();
// Create an update operation in the change set.
ODataBatchOperationRequestMessage updateOperationMessage = batchWriter.CreateOperationRequestMessage(
"PUT", new Uri(serviceDocumentUri + "MyBlob"), "1");
// Set the content type with explicit character set so that the content string
// is flushed into the operation message body stream without byte-order-mark.
updateOperationMessage.SetHeader("CoNtEnt-TYPE", GetContentType(bodyContentType));
// Use the message writer to write encoded string content.
using (ODataMessageWriter operationMessageWriter = new ODataMessageWriter(updateOperationMessage))
{
operationMessageWriter.WriteValue(GetEncodedContentObject(bodyContentType, /*forRequest*/ true));
}
batchWriter.WriteEndChangeset();
// Write a query operation.
ODataBatchOperationRequestMessage queryOperationMessage = batchWriter.CreateOperationRequestMessage(
"GET", new Uri(serviceDocumentUri + "MyBlob"), /*contentId*/ null);
// Header modification on inner payload.
queryOperationMessage.SetHeader("AcCePt", GetContentType(bodyContentType));
batchWriter.WriteEndBatch();
stream.Position = 0;
return(stream.ToArray());
}
}
/// <summary>
/// Create a request message for a batch part from the batch writer. This method copies request headers
/// from <paramref name="requestMessageArgs"/> in addition to the method and Uri.
/// </summary>
/// <param name="batchWriter">ODataBatchWriter instance to build operation message from.</param>
/// <param name="requestMessageArgs">RequestMessageArgs for the request.</param>
/// <param name="requestInfo">RequestInfo instance.</param>
/// <param name="contentId">The Content-ID value to write in ChangeSet head.</param>
/// <param name="isRelativeUri">If the request is using a relative uri.</param>
/// <returns>an instance of ODataRequestMessageWrapper.</returns>
internal static ODataRequestMessageWrapper CreateBatchPartRequestMessage(
ODataBatchWriter batchWriter,
BuildingRequestEventArgs requestMessageArgs,
RequestInfo requestInfo,
string contentId,
bool isRelativeUri)
{
IODataRequestMessage requestMessage;
requestMessage = batchWriter.CreateOperationRequestMessage(
requestMessageArgs.Method,
requestMessageArgs.RequestUri,
contentId,
isRelativeUri ? BatchPayloadUriOption.RelativeUri : BatchPayloadUriOption.AbsoluteUri);
foreach (var h in requestMessageArgs.Headers)
{
requestMessage.SetHeader(h.Key, h.Value);
}
var clientRequestMessage = new InternalODataRequestMessage(requestMessage, false /*allowGetStream*/);
ODataRequestMessageWrapper messageWrapper = new InnerBatchRequestMessageWrapper(clientRequestMessage, requestMessage, requestInfo, requestMessageArgs.Descriptor);
return(messageWrapper);
}
private void createDeleteOperationRequestMessage(ref ODataBatchWriter writer, Change change, string tableName)
{
string id = this.getKeyType(tableName).IsString() ? "'" + change.id + "'" : change.id;
Uri uri = new Uri(tableName + "(" + id + ")", UriKind.Relative);
writer.CreateOperationRequestMessage("DELETE", uri);
}
#pragma warning disable 1998
private async Task <ODataBatchOperationRequestMessage> CreateBatchOperationMessageAsync(
Uri uri, string method, string collection, string contentId, bool resultRequired)
{
#if SILVERLIGHT
var message = _batchWriter.CreateOperationRequestMessage(method, uri);
#else
var message = await _batchWriter.CreateOperationRequestMessageAsync(method, uri);
#endif
if (method != RestVerbs.Get && method != RestVerbs.Delete)
{
message.SetHeader(HttpLiteral.ContentId, contentId);
}
if (method == RestVerbs.Post || method == RestVerbs.Put || method == RestVerbs.Patch)
{
message.SetHeader(HttpLiteral.Prefer, resultRequired ? HttpLiteral.ReturnContent : HttpLiteral.ReturnNoContent);
}
if (collection != null && _session.Metadata.EntityCollectionRequiresOptimisticConcurrencyCheck(collection) &&
(method == RestVerbs.Put || method == RestVerbs.Patch || method == RestVerbs.Delete))
{
message.SetHeader(HttpLiteral.IfMatch, EntityTagHeaderValue.Any.Tag);
}
return(message);
}
internal static ODataRequestMessageWrapper CreateBatchPartRequestMessage(ODataBatchWriter batchWriter, string method, Uri requestUrl, RequestInfo requestInfo)
{
return(new ODataRequestMessageWrapper(batchWriter.CreateOperationRequestMessage(method, requestUrl), requestInfo)
{
IsBatchPartRequest = true
});
}
private void createInsertOperationRequestMessage(ref ODataBatchWriter writer, Change change, string tableName, string[] headers)
{
Uri uri = new Uri(tableName, UriKind.Relative);
var updateOperaitonMessage = writer.CreateOperationRequestMessage("POST", uri);
updateOperaitonMessage.SetHeader("Content-Type", "application/json");
using (var operationMessageWriter = new ODataMessageWriter(updateOperaitonMessage))
{
var entityWriter = operationMessageWriter.CreateODataEntryWriter();
var entry = new ODataEntry()
{
Properties = createOperationProperties(change.data, tableName, headers),
TypeName = this.GetEntityTypeName(tableName)
};
entityWriter.WriteStart(entry);
entityWriter.WriteEnd();
}
}
/// <summary>
/// Create a request message for a batch part from the batch writer. This method copies request headers
/// from <paramref name="requestMessageArgs"/> in addition to the method and Uri.
/// </summary>
/// <param name="batchWriter">ODataBatchWriter instance to build operation message from.</param>
/// <param name="requestMessageArgs">RequestMessageArgs for the request.</param>
/// <param name="requestInfo">RequestInfo instance.</param>
/// <returns>an instance of ODataRequestMessageWrapper.</returns>
internal static ODataRequestMessageWrapper CreateBatchPartRequestMessage(
ODataBatchWriter batchWriter,
BuildingRequestEventArgs requestMessageArgs,
RequestInfo requestInfo)
{
IODataRequestMessage requestMessage = batchWriter.CreateOperationRequestMessage(requestMessageArgs.Method, requestMessageArgs.RequestUri);
#if WINDOWS_PHONE
if (requestInfo.HasWritingRequestEventHandlers)
{
// We use the InternalODataRequestMessage constructor here beecause we want to allow the user to be able to access the underlying request stream.
requestMessage = new InternalODataRequestMessage(requestMessage, true);
}
#endif
foreach (var h in requestMessageArgs.Headers)
{
requestMessage.SetHeader(h.Key, h.Value);
}
var clientRequestMessage = new InternalODataRequestMessage(requestMessage, false /*allowGetStream*/);
ODataRequestMessageWrapper messageWrapper = new InnerBatchRequestMessageWrapper(clientRequestMessage, requestMessage, requestInfo, requestMessageArgs.Descriptor);
return(messageWrapper);
}
internal static Tuple <HttpWebRequest, Stream> BuildRequestForTableBatchOperation(Uri uri, UriQueryBuilder builder, IBufferManager bufferManager, int?timeout, string tableName, TableBatchOperation batch, bool useVersionHeader, OperationContext ctx, TableRequestOptions options, string accountName)
{
HttpWebRequest msg = BuildRequestCore(NavigationHelper.AppendPathToSingleUri(uri, "$batch"), builder, "POST", timeout, useVersionHeader, ctx);
TablePayloadFormat payloadFormat = options.PayloadFormat.Value;
Logger.LogInformational(ctx, SR.PayloadFormat, payloadFormat);
// create the writer, indent for readability of the examples.
ODataMessageWriterSettings writerSettings = new ODataMessageWriterSettings()
{
CheckCharacters = false, // sets this flag on the XmlWriter for ATOM
Version = TableConstants.ODataProtocolVersion // set the Odata version to use when writing the entry
};
HttpWebRequestAdapterMessage adapterMsg = new HttpWebRequestAdapterMessage(msg, bufferManager);
// Start Batch
ODataMessageWriter odataWriter = new ODataMessageWriter(adapterMsg, writerSettings);
ODataBatchWriter batchWriter = odataWriter.CreateODataBatchWriter();
batchWriter.WriteStartBatch();
bool isQuery = batch.Count == 1 && batch[0].OperationType == TableOperationType.Retrieve;
// Query operations should not be inside changeset in payload
if (!isQuery)
{
// Start Operation
batchWriter.WriteStartChangeset();
batchWriter.Flush();
}
foreach (TableOperation operation in batch)
{
string httpMethod = operation.HttpMethod;
if (operation.OperationType == TableOperationType.Merge || operation.OperationType == TableOperationType.InsertOrMerge)
{
options.AssertNoEncryptionPolicyOrStrictMode();
httpMethod = "MERGE";
}
ODataBatchOperationRequestMessage mimePartMsg = batchWriter.CreateOperationRequestMessage(httpMethod, operation.GenerateRequestURI(uri, tableName));
SetAcceptAndContentTypeForODataBatchMessage(mimePartMsg, payloadFormat);
// etag
if (operation.OperationType == TableOperationType.Delete ||
operation.OperationType == TableOperationType.Replace ||
operation.OperationType == TableOperationType.Merge)
{
mimePartMsg.SetHeader("If-Match", operation.Entity.ETag);
}
// Prefer header
if (operation.OperationType == TableOperationType.Insert)
{
mimePartMsg.SetHeader("Prefer", operation.EchoContent ? "return-content" : "return-no-content");
}
if (operation.OperationType != TableOperationType.Delete && operation.OperationType != TableOperationType.Retrieve)
{
using (ODataMessageWriter batchEntryWriter = new ODataMessageWriter(mimePartMsg, writerSettings, new TableStorageModel(accountName)))
{
// Write entity
ODataWriter entryWriter = batchEntryWriter.CreateODataEntryWriter();
WriteOdataEntity(operation.Entity, operation.OperationType, ctx, entryWriter, options);
}
}
}
if (!isQuery)
{
// End Operation
batchWriter.WriteEndChangeset();
}
// End Batch
batchWriter.WriteEndBatch();
batchWriter.Flush();
return(new Tuple <HttpWebRequest, Stream>(adapterMsg.GetPopulatedMessage(), adapterMsg.GetStream()));
}
internal static StorageRequestMessage BuildRequestForTableBatchOperation <T>(RESTCommand <T> cmd, Uri uri, UriQueryBuilder builder, int?timeout, string tableName, TableBatchOperation batch, CloudTableClient client, HttpContent content, OperationContext ctx, TablePayloadFormat payloadFormat, ICanonicalizer canonicalizer, StorageCredentials credentials)
{
StorageRequestMessage msg = BuildRequestCore(NavigationHelper.AppendPathToSingleUri(uri, "$batch"), builder, HttpMethod.Post, timeout, content, ctx, canonicalizer, credentials);
Logger.LogInformational(ctx, SR.PayloadFormat, payloadFormat);
// create the writer, indent for readability of the examples.
ODataMessageWriterSettings writerSettings = new ODataMessageWriterSettings()
{
CheckCharacters = false, // sets this flag on the XmlWriter for ATOM
Version = TableConstants.ODataProtocolVersion // set the Odata version to use when writing the entry
};
HttpRequestAdapterMessage adapterMsg = new HttpRequestAdapterMessage(msg, client.BufferManager, 64 * (int)Constants.KB);
cmd.StreamToDispose = adapterMsg.GetStream();
// Start Batch
ODataMessageWriter odataWriter = new ODataMessageWriter(adapterMsg, writerSettings);
ODataBatchWriter batchWriter = odataWriter.CreateODataBatchWriter();
batchWriter.WriteStartBatch();
bool isQuery = batch.Count == 1 && batch[0].OperationType == TableOperationType.Retrieve;
// Query operations should not be inside changeset in payload
if (!isQuery)
{
// Start Operation
batchWriter.WriteStartChangeset();
batchWriter.Flush();
}
foreach (TableOperation operation in batch)
{
string httpMethod = operation.OperationType == TableOperationType.Merge || operation.OperationType == TableOperationType.InsertOrMerge ? "MERGE" : operation.HttpMethod.Method;
ODataBatchOperationRequestMessage mimePartMsg = batchWriter.CreateOperationRequestMessage(httpMethod, operation.GenerateRequestURI(uri, tableName));
SetAcceptAndContentTypeForODataBatchMessage(mimePartMsg, payloadFormat);
// etag
if (operation.OperationType == TableOperationType.Delete ||
operation.OperationType == TableOperationType.Replace ||
operation.OperationType == TableOperationType.Merge)
{
mimePartMsg.SetHeader("If-Match", operation.Entity.ETag);
}
// Prefer header
if (operation.OperationType == TableOperationType.Insert)
{
mimePartMsg.SetHeader("Prefer", operation.EchoContent ? "return-content" : "return-no-content");
}
if (operation.OperationType != TableOperationType.Delete && operation.OperationType != TableOperationType.Retrieve)
{
using (ODataMessageWriter batchEntryWriter = new ODataMessageWriter(mimePartMsg, writerSettings, new TableStorageModel(client.AccountName)))
{
// Write entity
ODataWriter entryWriter = batchEntryWriter.CreateODataEntryWriter();
WriteOdataEntity(operation.Entity, operation.OperationType, ctx, entryWriter);
}
}
}
if (!isQuery)
{
// End Operation
batchWriter.WriteEndChangeset();
}
// End Batch
batchWriter.WriteEndBatch();
batchWriter.Flush();
return(adapterMsg.GetPopulatedMessage());
}
private byte[] CreateBigBatchRequest(int repeatCount)
{
MemoryStream stream = new MemoryStream();
IODataRequestMessage requestMessage = new InMemoryMessage {
Stream = stream
};
requestMessage.SetHeader("Content-Type", batchContentTypeApplicationJson);
ODataMessageWriterSettings settings = new ODataMessageWriterSettings();
settings.BaseUri = new Uri(serviceDocumentUri);
using (ODataMessageWriter messageWriter = new ODataMessageWriter(requestMessage, settings))
{
ODataBatchWriter batchWriter = messageWriter.CreateODataBatchWriter();
batchWriter.WriteStartBatch();
// Each iteration generates a change set with two operations, followed by one top level operation.
// Operations count in each iteration is three.
for (int idx = 0; idx < repeatCount * 3; idx += 3)
{
batchWriter.WriteStartChangeset();
ODataBatchOperationRequestMessage createOperationMessage = batchWriter.CreateOperationRequestMessage(
"PUT",
new Uri(string.Format(CultureInfo.InvariantCulture, "{0}/{1}", serviceDocumentUri, "MySingleton")),
idx.ToString());
using (ODataMessageWriter operationMessageWriter = new ODataMessageWriter(createOperationMessage))
{
ODataWriter entryWriter = operationMessageWriter.CreateODataResourceWriter();
ODataResource entry = new ODataResource()
{
TypeName = "NS.Web",
Properties = new[]
{
new ODataProperty()
{
Name = "WebId", Value = "webid_" + idx
},
new ODataProperty()
{
Name = "Name", Value = this.aVeryLongString
}
}
};
entryWriter.WriteStart(entry);
entryWriter.WriteEnd();
}
// A PATCH operation that depends on the preceding PUT operation.
List <string> dependsOnIds = new List <string> {
idx.ToString()
};
ODataBatchOperationRequestMessage updateOperationMessage = batchWriter.CreateOperationRequestMessage(
"PATCH",
new Uri(string.Format(CultureInfo.InvariantCulture, "{0}/{1}", serviceDocumentUri, "$" + idx)),
(idx + 1).ToString(),
BatchPayloadUriOption.AbsoluteUri,
dependsOnIds);
// Verify that input values are copied into a new list.
Assert.Equal(dependsOnIds, updateOperationMessage.DependsOnIds);
Assert.NotSame(dependsOnIds, updateOperationMessage.DependsOnIds);
using (ODataMessageWriter operationMessageWriter = new ODataMessageWriter(updateOperationMessage))
{
var entryWriter = operationMessageWriter.CreateODataResourceWriter();
var entry = new ODataResource()
{
TypeName = "NS.Web",
Properties = new[] { new ODataProperty()
{
Name = "WebId", Value = "webid_" + (idx + 1)
} }
};
entryWriter.WriteStart(entry);
entryWriter.WriteEnd();
}
Assert.Equal(createOperationMessage.GroupId, updateOperationMessage.GroupId);
batchWriter.WriteEndChangeset();
ODataBatchOperationRequestMessage queryOperationMessage = batchWriter.CreateOperationRequestMessage(
"GET",
new Uri(string.Format(CultureInfo.InvariantCulture, "{0}/{1}", serviceDocumentUri, "MySingleton")),
(idx + 2).ToString());
queryOperationMessage.SetHeader("Accept", "application/json;odata.metadata=full");
}
batchWriter.WriteEndBatch();
stream.Position = 0;
return(stream.ToArray());
}
}
/// <summary>
/// Create a batch request that contains one atomic groups.
/// </summary>
/// <param name="atomicGroupIdFromRequest">Output string for the atomic group id from the batch created.</param>
/// <returns>Stream containing the batch request.</returns>
private byte[] CreateBatchRequestWithAtomicGroup(out string atomicGroupIdFromRequest)
{
MemoryStream stream = new MemoryStream();
IODataRequestMessage requestMessage = new InMemoryMessage {
Stream = stream
};
requestMessage.SetHeader("Content-Type", batchContentTypeApplicationJson);
ODataMessageWriterSettings settings = new ODataMessageWriterSettings();
settings.BaseUri = new Uri(serviceDocumentUri);
using (ODataMessageWriter messageWriter = new ODataMessageWriter(requestMessage, settings))
{
ODataBatchWriter batchWriter = messageWriter.CreateODataBatchWriter();
batchWriter.WriteStartBatch();
batchWriter.WriteStartChangeset();
// Create operation.
ODataBatchOperationRequestMessage createOperationMessage = batchWriter.CreateOperationRequestMessage(
"PUT",
new Uri(string.Format(CultureInfo.InvariantCulture, "{0}/{1}", serviceDocumentUri, "MySingleton")),
"1");
using (ODataMessageWriter operationMessageWriter = new ODataMessageWriter(createOperationMessage))
{
ODataWriter entryWriter = operationMessageWriter.CreateODataResourceWriter();
ODataResource entry = new ODataResource()
{
TypeName = "NS.Web",
Properties = new[]
{
new ODataProperty()
{
Name = "WebId", Value = 10
},
new ODataProperty()
{
Name = "Name", Value = "SingletonWebForBatchJsonLightAtomicGroupIdTest"
}
}
};
entryWriter.WriteStart(entry);
entryWriter.WriteEnd();
}
// A PATCH operation that depends on the preceding PUT operation.
List <string> dependsOnIds = new List <string> {
"1"
};
ODataBatchOperationRequestMessage updateOperationMessage = batchWriter.CreateOperationRequestMessage(
"PATCH",
new Uri(string.Format(CultureInfo.InvariantCulture, "{0}/{1}", serviceDocumentUri, "$1")),
"2",
BatchPayloadUriOption.AbsoluteUri,
dependsOnIds);
// Verify that input values are copied into a new list.
Assert.Equal(dependsOnIds, updateOperationMessage.DependsOnIds);
Assert.NotSame(dependsOnIds, updateOperationMessage.DependsOnIds);
using (ODataMessageWriter operationMessageWriter = new ODataMessageWriter(updateOperationMessage))
{
var entryWriter = operationMessageWriter.CreateODataResourceWriter();
var entry = new ODataResource()
{
TypeName = "NS.Web",
Properties = new[] { new ODataProperty()
{
Name = "WebId", Value = 11
} }
};
entryWriter.WriteStart(entry);
entryWriter.WriteEnd();
}
Assert.Equal(createOperationMessage.GroupId, updateOperationMessage.GroupId);
batchWriter.WriteEndChangeset();
ODataBatchOperationRequestMessage update2OperationMessage = batchWriter.CreateOperationRequestMessage(
"PATCH",
new Uri(string.Format(CultureInfo.InvariantCulture, "{0}/{1}", serviceDocumentUri, "MySingleton")),
"3",
BatchPayloadUriOption.AbsoluteUri);
using (ODataMessageWriter operationMessageWriter = new ODataMessageWriter(update2OperationMessage))
{
var entryWriter = operationMessageWriter.CreateODataResourceWriter();
var entry = new ODataResource()
{
TypeName = "NS.Web",
Properties = new[] { new ODataProperty()
{
Name = "WebId", Value = 12
} }
};
entryWriter.WriteStart(entry);
entryWriter.WriteEnd();
}
batchWriter.WriteEndBatch();
atomicGroupIdFromRequest = createOperationMessage.GroupId;
stream.Position = 0;
return(stream.ToArray());
}
}
/// <summary>
/// Create a batch request that contains atomic groups.
/// </summary>
/// <param name="atomicGroupIdFromRequest">Output string for the first atomic group id from the batch created.</param>
/// <param name="atomicGroupAIdFromRequest">Output string for the second atomic group id from the batch created.</param>
/// <returns>Stream containing the batch request.</returns>
private byte[] CreateBatchRequestWithMultipleAtomicGroups(
out string atomicGroupIdFromRequest,
out string atomicGroupAIdFromRequest)
{
MemoryStream stream = new MemoryStream();
IODataRequestMessage requestMessage = new InMemoryMessage {
Stream = stream
};
requestMessage.SetHeader("Content-Type", batchContentTypeApplicationJson);
ODataMessageWriterSettings settings = new ODataMessageWriterSettings();
settings.BaseUri = new Uri(serviceDocumentUri);
using (ODataMessageWriter messageWriter = new ODataMessageWriter(requestMessage, settings))
{
ODataBatchWriter batchWriter = messageWriter.CreateODataBatchWriter();
batchWriter.WriteStartBatch();
// Lexical scope for first half: query ("3"), create("1"), patch("2")
{
// Query operation
ODataBatchOperationRequestMessage queryOperationMessage =
batchWriter.CreateOperationRequestMessage("GET", new Uri(serviceDocumentUri + "MySingleton"),
"3");
queryOperationMessage.SetHeader("Accept", "application/json;odata.metadata=full");
batchWriter.WriteStartChangeset();
// Create operation.
ODataBatchOperationRequestMessage createOperationMessage = batchWriter.CreateOperationRequestMessage
(
"PUT",
new Uri(string.Format(CultureInfo.InvariantCulture, "{0}/{1}", serviceDocumentUri, "MySingleton")),
"1");
using (ODataMessageWriter operationMessageWriter = new ODataMessageWriter(createOperationMessage))
{
ODataWriter entryWriter = operationMessageWriter.CreateODataResourceWriter();
ODataResource entry = new ODataResource()
{
TypeName = "NS.Web",
Properties = new[]
{
new ODataProperty()
{
Name = "WebId", Value = 10
},
new ODataProperty()
{
Name = "Name",
Value = "SingletonWebForBatchJsonLightAtomicGroupIdTest"
}
}
};
entryWriter.WriteStart(entry);
entryWriter.WriteEnd();
}
// A PATCH operation that depends on the preceding PUT operation.
string[] dependsOnIds = new string[] { "1" };
ODataBatchOperationRequestMessage updateOperationMessage = batchWriter.CreateOperationRequestMessage
(
"PATCH",
new Uri(string.Format(CultureInfo.InvariantCulture, "{0}/{1}", serviceDocumentUri, "$1")),
"2",
BatchPayloadUriOption.AbsoluteUri,
dependsOnIds);
using (ODataMessageWriter operationMessageWriter = new ODataMessageWriter(updateOperationMessage))
{
var entryWriter = operationMessageWriter.CreateODataResourceWriter();
var entry = new ODataResource()
{
TypeName = "NS.Web",
Properties = new[] { new ODataProperty()
{
Name = "WebId", Value = 11
} }
};
entryWriter.WriteStart(entry);
entryWriter.WriteEnd();
}
Assert.Equal(createOperationMessage.GroupId, updateOperationMessage.GroupId);
batchWriter.WriteEndChangeset();
atomicGroupIdFromRequest = createOperationMessage.GroupId;
}
// Lexical scope for second half: create("1A"), patch("2A"), query("3A")
{
batchWriter.WriteStartChangeset();
// Create operation.
ODataBatchOperationRequestMessage createOperationMessage = batchWriter.CreateOperationRequestMessage
(
"PUT",
new Uri(string.Format(CultureInfo.InvariantCulture, "{0}/{1}", serviceDocumentUri, "MySingleton")),
"1A");
using (ODataMessageWriter operationMessageWriter = new ODataMessageWriter(createOperationMessage))
{
ODataWriter entryWriter = operationMessageWriter.CreateODataResourceWriter();
ODataResource entry = new ODataResource()
{
TypeName = "NS.Web",
Properties = new[]
{
new ODataProperty()
{
Name = "WebId", Value = 10
},
new ODataProperty()
{
Name = "Name",
Value = "SingletonWebForBatchJsonLightAtomicGroupIdTest"
}
}
};
entryWriter.WriteStart(entry);
entryWriter.WriteEnd();
}
// A PATCH operation that depends on the preceding PUT operation.
string[] dependsOnIds = new string[] { "1A" };
ODataBatchOperationRequestMessage updateOperationMessage = batchWriter.CreateOperationRequestMessage
(
"PATCH",
new Uri(string.Format(CultureInfo.InvariantCulture, "{0}/{1}", serviceDocumentUri, "$1A")),
"2A",
BatchPayloadUriOption.AbsoluteUri,
dependsOnIds);
using (ODataMessageWriter operationMessageWriter = new ODataMessageWriter(updateOperationMessage))
{
var entryWriter = operationMessageWriter.CreateODataResourceWriter();
var entry = new ODataResource()
{
TypeName = "NS.Web",
Properties = new[] { new ODataProperty()
{
Name = "WebId", Value = 11
} }
};
entryWriter.WriteStart(entry);
entryWriter.WriteEnd();
}
Assert.Equal(createOperationMessage.GroupId, updateOperationMessage.GroupId);
batchWriter.WriteEndChangeset();
atomicGroupAIdFromRequest = createOperationMessage.GroupId;
// Query operation
ODataBatchOperationRequestMessage queryOperationMessage =
batchWriter.CreateOperationRequestMessage("GET", new Uri(serviceDocumentUri + "MySingleton"),
"3A");
queryOperationMessage.SetHeader("Accept", "application/json;odata.metadata=full");
}
batchWriter.WriteEndBatch();
Assert.NotEqual(atomicGroupIdFromRequest,
atomicGroupAIdFromRequest);
stream.Position = 0;
return(stream.ToArray());
}
}
internal static HttpRequestMessage BuildRequestForTableBatchOperation(Uri uri, int?timeout, Uri baseUri, string tableName, TableBatchOperation batch, OperationContext ctx)
{
HttpRequestMessage msg = BuildRequestCore(NavigationHelper.AppendPathToUri(uri, "$batch"), HttpMethod.Post, timeout, ctx);
// create the writer, indent for readability of the examples.
ODataMessageWriterSettings writerSettings = new ODataMessageWriterSettings()
{
CheckCharacters = false, // sets this flag on the XmlWriter for ATOM
Version = ODataVersion.V2 // set the Odata version to use when writing the entry
};
HttpRequestAdapterMessage adapterMsg = new HttpRequestAdapterMessage(msg);
// Start Batch
ODataMessageWriter odataWriter = new ODataMessageWriter(adapterMsg, writerSettings);
ODataBatchWriter batchWriter = odataWriter.CreateODataBatchWriter();
batchWriter.WriteStartBatch();
bool isQuery = batch.Count == 1 && batch[0].OperationType == TableOperationType.Retrieve;
// Query operations should not be inside changeset in payload
if (!isQuery)
{
// Start Operation
batchWriter.WriteStartChangeset();
batchWriter.Flush();
}
foreach (TableOperation operation in batch)
{
string httpMethod = operation.OperationType == TableOperationType.Merge || operation.OperationType == TableOperationType.InsertOrMerge ? "MERGE" : operation.HttpMethod.Method;
ODataBatchOperationRequestMessage mimePartMsg = batchWriter.CreateOperationRequestMessage(httpMethod, operation.GenerateRequestURI(baseUri, tableName));
// etag
if (operation.OperationType == TableOperationType.Delete ||
operation.OperationType == TableOperationType.Replace ||
operation.OperationType == TableOperationType.Merge)
{
mimePartMsg.SetHeader("If-Match", operation.Entity.ETag);
}
if (operation.OperationType != TableOperationType.Delete && operation.OperationType != TableOperationType.Retrieve)
{
using (ODataMessageWriter batchEntryWriter = new ODataMessageWriter(mimePartMsg, writerSettings))
{
// Write entity
ODataWriter entryWriter = batchEntryWriter.CreateODataEntryWriter();
WriteOdataEntity(operation.Entity, operation.OperationType, ctx, entryWriter);
}
}
}
if (!isQuery)
{
// End Operation
batchWriter.WriteEndChangeset();
}
// End Batch
batchWriter.WriteEndBatch();
batchWriter.Flush();
return(adapterMsg.GetPopulatedMessage());
}
private byte[] CreateBatchRequest(string batchContentType, int unitRepeatCount)
{
Debug.Assert(!string.IsNullOrEmpty(batchContentType), "!string.IsNullOrEmpty(batchContentType)");
MemoryStream stream = new MemoryStream();
IODataRequestMessage requestMessage = new InMemoryMessage {
Stream = stream
};
requestMessage.SetHeader("Content-Type", batchContentType);
ODataMessageWriterSettings settings = new ODataMessageWriterSettings();
settings.BaseUri = new Uri(serviceDocumentUri);
using (ODataMessageWriter messageWriter = new ODataMessageWriter(requestMessage, settings))
{
ODataBatchWriter batchWriter = messageWriter.CreateODataBatchWriter();
batchWriter.WriteStartBatch();
// Each iteration generates a change set with two operations, followed by one top level operation.
// Operations count in each iteration is three.
// Use API available in OData 7.2
for (int idx = 0; idx < unitRepeatCount * NumOfRequestPerUnit; idx += NumOfRequestPerUnit)
{
batchWriter.WriteStartChangeset();
ODataBatchOperationRequestMessage createOperationMessage = batchWriter.CreateOperationRequestMessage(
"PUT",
new Uri(string.Format(CultureInfo.InvariantCulture, "{0}/{1}", serviceDocumentUri, "MySingleton")),
idx.ToString());
using (ODataMessageWriter operationMessageWriter = new ODataMessageWriter(createOperationMessage))
{
ODataWriter entryWriter = operationMessageWriter.CreateODataResourceWriter();
ODataResource entry = new ODataResource()
{
TypeName = "NS.Web",
Properties = new[]
{
new ODataProperty()
{
Name = "WebId", Value = "webid_" + idx
},
new ODataProperty()
{
Name = "Name", Value = this.aLongString
}
}
};
entryWriter.WriteStart(entry);
entryWriter.WriteEnd();
}
// A PATCH operation.
ODataBatchOperationRequestMessage updateOperationMessage = batchWriter.CreateOperationRequestMessage(
"PATCH",
new Uri(string.Format(CultureInfo.InvariantCulture, "{0}/{1}", serviceDocumentUri, "MySingleton")),
(idx + 1).ToString(),
BatchPayloadUriOption.AbsoluteUri);
using (ODataMessageWriter operationMessageWriter = new ODataMessageWriter(updateOperationMessage))
{
var entryWriter = operationMessageWriter.CreateODataResourceWriter();
var entry = new ODataResource()
{
TypeName = "NS.Web",
Properties = new[] { new ODataProperty()
{
Name = "WebId", Value = "webid_" + (idx + 1)
} }
};
entryWriter.WriteStart(entry);
entryWriter.WriteEnd();
}
batchWriter.WriteEndChangeset();
ODataBatchOperationRequestMessage queryOperationMessage = batchWriter.CreateOperationRequestMessage(
"GET",
new Uri(string.Format(CultureInfo.InvariantCulture, "{0}/{1}", serviceDocumentUri, "MySingleton")),
(idx + 2).ToString());
queryOperationMessage.SetHeader("Accept", "application/json;odata.metadata=full");
}
batchWriter.WriteEndBatch();
stream.Position = 0;
return(stream.ToArray());
}
}