public override Task <CosmosResponseMessage> DeleteConflictAsync(
PartitionKey partitionKey,
CosmosConflictSettings conflict,
CancellationToken cancellationToken = default(CancellationToken))
{
if (partitionKey == null)
{
throw new ArgumentNullException(nameof(partitionKey));
}
if (conflict == null)
{
throw new ArgumentNullException(nameof(conflict));
}
Uri conflictLink = this.clientContext.CreateLink(
parentLink: this.container.LinkUri.OriginalString,
uriPathSegment: Paths.ConflictsPathSegment,
id: conflict.Id);
return(this.clientContext.ProcessResourceOperationStreamAsync(
resourceUri: conflictLink,
resourceType: ResourceType.Conflict,
operationType: OperationType.Delete,
requestOptions: null,
cosmosContainerCore: this.container,
partitionKey: partitionKey,
streamPayload: null,
requestEnricher: null,
cancellationToken: cancellationToken));
}
public override async Task <ItemResponse <T> > ReadCurrentAsync <T>(
PartitionKey partitionKey,
CosmosConflictSettings cosmosConflict,
CancellationToken cancellationToken = default(CancellationToken))
{
if (partitionKey == null)
{
throw new ArgumentNullException(nameof(partitionKey));
}
if (cosmosConflict == null)
{
throw new ArgumentNullException(nameof(cosmosConflict));
}
// SourceResourceId is RID based on Conflicts, so we need to obtain the db and container rid
CosmosDatabaseCore databaseCore = (CosmosDatabaseCore)this.container.Database;
string databaseResourceId = await databaseCore.GetRIDAsync(cancellationToken);
string containerResourceId = await this.container.GetRIDAsync(cancellationToken);
Uri dbLink = this.clientContext.CreateLink(
parentLink: string.Empty,
uriPathSegment: Paths.DatabasesPathSegment,
id: databaseResourceId);
Uri containerLink = this.clientContext.CreateLink(
parentLink: dbLink.OriginalString,
uriPathSegment: Paths.CollectionsPathSegment,
id: containerResourceId);
Uri itemLink = this.clientContext.CreateLink(
parentLink: containerLink.OriginalString,
uriPathSegment: Paths.DocumentsPathSegment,
id: cosmosConflict.SourceResourceId);
Task <CosmosResponseMessage> response = this.clientContext.ProcessResourceOperationStreamAsync(
resourceUri: itemLink,
resourceType: ResourceType.Document,
operationType: OperationType.Read,
requestOptions: null,
cosmosContainerCore: this.container,
partitionKey: partitionKey,
streamPayload: null,
requestEnricher: null,
cancellationToken: cancellationToken);
return(await this.clientContext.ResponseFactory.CreateItemResponseAsync <T>(response));
}
public override T ReadConflictContent <T>(CosmosConflictSettings cosmosConflict)
{
if (cosmosConflict == null)
{
throw new ArgumentNullException(nameof(cosmosConflict));
}
// cosmosConflict.Content is string and converted to stream on demand for de-serialization
if (!string.IsNullOrEmpty(cosmosConflict.Content))
{
using (MemoryStream stream = new MemoryStream())
{
using (StreamWriter writer = new StreamWriter(stream))
{
writer.Write(cosmosConflict.Content);
writer.Flush();
stream.Position = 0;
return(this.clientContext.CosmosSerializer.FromStream <T>(stream));
}
}
}
return(default(T));
}
/// <summary>
/// Reads the content of the Conflict resource in the Azure Cosmos DB service.
/// </summary>
/// <param name="cosmosConflict">The conflict for which we want to read the content of.</param>
/// <returns>The content of the conflict.</returns>
/// <seealso cref="CosmosConflictSettings"/>
/// <example>
/// <code language="c#">
/// <![CDATA[
/// FeedIterator<CosmosConflictSettings> conflictIterator = await cosmosContainer.Conflicts.GetConflictsIterator();
/// while (conflictIterator.HasMoreResults)
/// {
/// foreach(CosmosConflictSettings item in await conflictIterator.FetchNextSetAsync())
/// {
/// MyClass intendedChanges = cosmosContainer.Conflicts.ReadConflictContent<MyClass>(item);
/// ItemResponse<MyClass> currentState = await cosmosContainer.Conflicts.ReadCurrentAsync<MyClass>(intendedChanges.MyPartitionKey, item);
/// }
/// }
/// ]]>
/// </code>
/// </example>
public abstract T ReadConflictContent <T>(CosmosConflictSettings cosmosConflict);
/// <summary>
/// Reads the item that originated the conflict.
/// </summary>
/// <param name="partitionKey">The partition key for the item.</param>
/// <param name="cosmosConflict">The conflict for which we want to read the item.</param>
/// <param name="cancellationToken">(Optional) <see cref="CancellationToken"/> representing request cancellation.</param>
/// <returns>The current state of the item associated with the conflict.</returns>
/// <seealso cref="CosmosConflictSettings"/>
/// <example>
/// <code language="c#">
/// <![CDATA[
/// FeedIterator<CosmosConflictSettings> conflictIterator = await cosmosContainer.Conflicts.GetConflictsIterator();
/// while (conflictIterator.HasMoreResults)
/// {
/// foreach(CosmosConflictSettings item in await conflictIterator.FetchNextSetAsync())
/// {
/// MyClass intendedChanges = cosmosContainer.Conflicts.ReadConflictContent<MyClass>(item);
/// ItemResponse<MyClass> currentState = await cosmosContainer.Conflicts.ReadCurrentAsync<MyClass>(intendedChanges.MyPartitionKey, item);
/// }
/// }
/// ]]>
/// </code>
/// </example>
public abstract Task <ItemResponse <T> > ReadCurrentAsync <T>(
object partitionKey,
CosmosConflictSettings cosmosConflict,
CancellationToken cancellationToken = default(CancellationToken));
/// <summary>
/// Delete a conflict from the Azure Cosmos service as an asynchronous operation.
/// </summary>
/// <param name="partitionKey">The partition key for the conflict.</param>
/// <param name="conflict">The conflict to delete.</param>
/// <param name="cancellationToken">(Optional) <see cref="CancellationToken"/> representing request cancellation.</param>
/// <returns>A Task representing the asynchronous operation.</returns>
/// <seealso cref="CosmosConflictSettings"/>
public abstract Task <CosmosResponseMessage> DeleteConflictAsync(
object partitionKey,
CosmosConflictSettings conflict,
CancellationToken cancellationToken = default(CancellationToken));
