public Task <string> GenerateDocumentKeyAsync(IAsyncDatabaseCommands databaseCommands, DocumentConvention conventions, object entity)
{
var typeTagName = conventions.GetDynamicTagName(entity);
if (string.IsNullOrEmpty(typeTagName)) //ignore empty tags
{
return(CompletedTask.With <string>(null));
}
var tag = conventions.TransformTypeTagNameToDocumentKeyPrefix(typeTagName);
AsyncHiLoKeyGenerator value;
if (keyGeneratorsByTag.TryGetValue(tag, out value))
{
return(value.GenerateDocumentKeyAsync(databaseCommands, conventions, entity));
}
lock (generatorLock)
{
if (keyGeneratorsByTag.TryGetValue(tag, out value))
{
return(value.GenerateDocumentKeyAsync(databaseCommands, conventions, entity));
}
value = new AsyncHiLoKeyGenerator(tag, capacity);
keyGeneratorsByTag.TryAdd(tag, value);
}
return(value.GenerateDocumentKeyAsync(databaseCommands, conventions, entity));
}
public void AsyncSequentialGeneration_NoClashesOrGaps()
{
using (GetNewServer())
using (var store = new DocumentStore
{
Url = "http://localhost:8079"
}.Initialize())
{
var gen = new AsyncHiLoKeyGenerator(store.AsyncDatabaseCommands, "When_async_generating_lots_of_keys_concurrently_there_are_no_clashes", 2);
Test(() => gen.NextIdAsync().Result, 1, GeneratedIdCount);
}
}
public Task<string> GenerateDocumentKeyAsync(IAsyncDatabaseCommands databaseCommands, DocumentConvention conventions, object entity)
{
var typeTagName = conventions.GetTypeTagName(entity.GetType());
if (string.IsNullOrEmpty(typeTagName)) //ignore empty tags
return CompletedTask.With<string>(null);
var tag = conventions.TransformTypeTagNameToDocumentKeyPrefix(typeTagName);
AsyncHiLoKeyGenerator value;
if (keyGeneratorsByTag.TryGetValue(tag, out value))
return value.GenerateDocumentKeyAsync(databaseCommands, conventions, entity);
lock(generatorLock)
{
if (keyGeneratorsByTag.TryGetValue(tag, out value))
return value.GenerateDocumentKeyAsync(databaseCommands, conventions, entity);
value = new AsyncHiLoKeyGenerator(tag, capacity);
keyGeneratorsByTag.TryAdd(tag, value);
}
return value.GenerateDocumentKeyAsync(databaseCommands, conventions, entity);
}
