private async Task UnregisterManyBlock(List <GrainAddress> addresses)
{
var queryBuilder = new StringBuilder();
queryBuilder.Append(TableClient.CreateQueryFilter($"(PartitionKey eq {clusterId}) and ("));
var first = true;
foreach (var addr in addresses)
{
if (!first)
{
queryBuilder.Append(" or ");
}
else
{
first = false;
}
var rowKey = GrainDirectoryEntity.GrainIdToRowKey(addr.GrainId);
var queryClause = TableClient.CreateQueryFilter($"((RowKey eq {rowKey}) and (ActivationId eq {addr.ActivationId.ToString()}))");
queryBuilder.Append(queryClause);
}
queryBuilder.Append(')');
var entities = await this.tableDataManager.ReadTableEntriesAndEtagsAsync(queryBuilder.ToString());
await this.tableDataManager.DeleteTableEntriesAsync(entities);
}
public async Task <GrainAddress> Register(GrainAddress address)
{
var entry = GrainDirectoryEntity.FromGrainAddress(this.clusterId, address);
var result = await this.tableDataManager.InsertTableEntryAsync(entry);
// Possible race condition?
return(result.isSuccess ? address : await Lookup(address.GrainId));
}
public async Task Unregister(GrainAddress address)
{
var result = await this.tableDataManager.ReadSingleTableEntryAsync(this.clusterId, HttpUtility.UrlEncode(address.GrainId, Encoding.UTF8));
// No entry found
if (result == null)
{
return;
}
// Check if the entry in storage match the one we were asked to delete
var entity = result.Item1;
if (entity.ActivationId == address.ActivationId)
{
await this.tableDataManager.DeleteTableEntryAsync(GrainDirectoryEntity.FromGrainAddress(this.clusterId, address), entity.ETag);
}
}
public async Task Unregister(GrainAddress address)
{
var result = await this.tableDataManager.ReadSingleTableEntryAsync(this.clusterId, GrainDirectoryEntity.GrainIdToRowKey(address.GrainId));
// No entry found
if (result.Entity is null)
{
return;
}
// Check if the entry in storage match the one we were asked to delete
var entity = result.Item1;
if (entity.ActivationId == address.ActivationId.ToParsableString())
{
await this.tableDataManager.DeleteTableEntryAsync(GrainDirectoryEntity.FromGrainAddress(this.clusterId, address), entity.ETag.ToString());
}
}
public async Task <GrainAddress> Lookup(GrainId grainId)
{
var result = await this.tableDataManager.ReadSingleTableEntryAsync(this.clusterId, GrainDirectoryEntity.GrainIdToRowKey(grainId));
if (result.Entity is null)
{
return(null);
}
return(result.Item1.ToGrainAddress());
}
private async Task UnregisterManyBlock(List <GrainAddress> addresses)
{
var pkFilter = TableQuery.GenerateFilterCondition(nameof(GrainDirectoryEntity.PartitionKey), QueryComparisons.Equal, this.clusterId);
string rkFilter = TableQuery.CombineFilters(
TableQuery.GenerateFilterCondition(nameof(GrainDirectoryEntity.RowKey), QueryComparisons.Equal, GrainDirectoryEntity.GrainIdToRowKey(addresses[0].GrainId)),
TableOperators.And,
TableQuery.GenerateFilterCondition(nameof(GrainDirectoryEntity.ActivationId), QueryComparisons.Equal, addresses[0].ActivationId)
);
foreach (var addr in addresses.Skip(1))
{
var tmp = TableQuery.CombineFilters(
TableQuery.GenerateFilterCondition(nameof(GrainDirectoryEntity.RowKey), QueryComparisons.Equal, GrainDirectoryEntity.GrainIdToRowKey(addr.GrainId)),
TableOperators.And,
TableQuery.GenerateFilterCondition(nameof(GrainDirectoryEntity.ActivationId), QueryComparisons.Equal, addr.ActivationId)
);
rkFilter = TableQuery.CombineFilters(rkFilter, TableOperators.Or, tmp);
}
var entities = await this.tableDataManager.ReadTableEntriesAndEtagsAsync(TableQuery.CombineFilters(pkFilter, TableOperators.And, rkFilter));
await this.tableDataManager.DeleteTableEntriesAsync(entities.Select(e => Tuple.Create(e.Item1, e.Item2)).ToList());
}
