public CreateStreamResult CreateStream(string name, StreamAccess access, StreamShare share, int bufferSize = 0)
{
var resolver = Context.ContentResolver;
var androidUri = DocumentsContract.CreateDocument(resolver, AndroidUri, null, name);
var fs = OpenStream(androidUri, StreamMode.Open, access, share, bufferSize);
var ret = new CreateStreamResult()
{
Stream = fs,
EntryBase = new StorageEntryBase
{
Name = name,
LastWriteTime = DateTime.Now,
Size = 0,
IsStorage = false,
Uri = AndroidUriToUri(androidUri)
}
};
return(ret);
}
public override CreateStreamResult Execute(
StandardCreateStreamOp operation)
{
operation.MustForArg(nameof(operation)).NotBeNull();
var allLocators = this.ResourceLocatorProtocols.Execute(new GetAllResourceLocatorsOp());
var alreadyExisted = false;
var wasCreated = true;
foreach (var locator in allLocators)
{
if (locator is SqlServerLocator sqlLocator)
{
using (var connection = sqlLocator.OpenSqlConnection(this.DefaultConnectionTimeout))
{
var streamAlreadyExists = connection.HasAtLeastOneRowWhenReading(
Invariant($"select * from sys.schemas where name = '{this.Name}'"));
alreadyExisted = alreadyExisted || streamAlreadyExists;
if (streamAlreadyExists)
{
switch (operation.ExistingStreamStrategy)
{
case ExistingStreamStrategy.Overwrite:
throw new NotSupportedException(FormattableString.Invariant(
$"Overwriting streams is not currently supported; stream '{this.Name}' already exists, {nameof(operation)}.{nameof(operation.ExistingStreamStrategy)} was set to {ExistingStreamStrategy.Overwrite}."));
case ExistingStreamStrategy.Throw:
throw new InvalidOperationException(FormattableString.Invariant($"Stream '{this.Name}' already exists, {nameof(operation)}.{nameof(operation.ExistingStreamStrategy)} was set to {ExistingStreamStrategy.Throw}."));
case ExistingStreamStrategy.Skip:
wasCreated = false;
break;
}
}
else
{
var creationScripts = new[]
{
StreamSchema.BuildCreationScriptForSchema(this.Name),
StreamSchema.Tables.NextUniqueLong.BuildCreationScript(this.Name),
StreamSchema.Tables.TypeWithoutVersion.BuildCreationScript(this.Name),
StreamSchema.Tables.TypeWithVersion.BuildCreationScript(this.Name),
StreamSchema.Tables.SerializerRepresentation.BuildCreationScript(this.Name),
StreamSchema.Tables.Tag.BuildCreationScript(this.Name),
StreamSchema.Tables.Record.BuildCreationScript(this.Name),
StreamSchema.Tables.RecordTag.BuildCreationScript(this.Name),
StreamSchema.Tables.Handling.BuildCreationScript(this.Name),
StreamSchema.Tables.HandlingTag.BuildCreationScript(this.Name),
StreamSchema.Funcs.GetTagsTableVariableFromTagsXml.BuildCreationScript(this.Name),
StreamSchema.Sprocs.CreateStreamUser.BuildCreationScript(this.Name),
StreamSchema.Sprocs.GetDistinctStringSerializedIds.BuildCreationScript(this.Name),
StreamSchema.Sprocs.GetHandlingStatuses.BuildCreationScript(this.Name),
StreamSchema.Sprocs.GetIdAddIfNecessarySerializerRepresentation.BuildCreationScript(this.Name),
StreamSchema.Sprocs.GetIdsAddIfNecessaryTagSet.BuildCreationScript(this.Name),
StreamSchema.Sprocs.GetIdAddIfNecessaryTypeWithoutVersion.BuildCreationScript(this.Name),
StreamSchema.Sprocs.GetIdAddIfNecessaryTypeWithVersion.BuildCreationScript(this.Name),
StreamSchema.Sprocs.GetInternalRecordIds.BuildCreationScript(this.Name),
StreamSchema.Sprocs.GetLatestRecord.BuildCreationScript(this.Name),
StreamSchema.Sprocs.GetLatestStringSerializedObject.BuildCreationScript(this.Name),
StreamSchema.Sprocs.GetNextUniqueLong.BuildCreationScript(this.Name),
StreamSchema.Sprocs.GetSerializerRepresentationFromId.BuildCreationScript(this.Name),
StreamSchema.Sprocs.GetStreamDetails.BuildCreationScript(this.Name, RecordTagAssociationManagementStrategy.AssociatedDuringPutInSprocInTransaction, null),
StreamSchema.Sprocs.GetTagSetFromIds.BuildCreationScript(this.Name),
StreamSchema.Sprocs.GetTypeFromId.BuildCreationScript(this.Name),
StreamSchema.Sprocs.PutRecord.BuildCreationScript(this.Name, RecordTagAssociationManagementStrategy.AssociatedDuringPutInSprocInTransaction),
StreamSchema.Sprocs.PutHandling.BuildCreationScript(this.Name),
StreamSchema.Sprocs.TryHandleRecord.BuildCreationScript(this.Name, null),
StreamSchema.BuildCreationScriptForRoles(this.Name), // must be at end to reference the items.
};
foreach (var script in creationScripts)
{
connection.ExecuteNonQuery(script);
}
}
}
}
else
{
throw SqlServerLocator.BuildInvalidLocatorException(locator.GetType());
}
}
var createResult = new CreateStreamResult(alreadyExisted, wasCreated);
return(createResult);
}
