public ServiceDbConfigManagerTests()
{
_signatureGenerator = Substitute.For <IServiceConfigSignatureGenerator>();
_documentClient = Substitute.For <IDocumentClient>();
_configSourceA = CreateConfigSource("StoreA");
}
/// <inheritdoc />
public void RegisterStoreConfigSource(IDocumentStoreConfigSource source)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
RegisterSource(source);
}
/// <inheritdoc />
public bool IsStoreConfigRegistered(IDocumentStoreConfigSource source)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
lock (_sync)
{
return(_configSources.ContainsValue(source));
}
}
private void RegisterSource(IDocumentStoreConfigSource source)
{
// Multiple threads may attempt to register config sources. Access to the config sources is
// synchronised to ensure thread safety.
var storeName = source.GetConfig().StoreName;
lock (_sync)
{
if (!_configSources.ContainsKey(storeName))
{
// There is no store registered with the given name. Add the new source and mark a service update as
// being required on the next service config check.
_configSources.Add(storeName, source);
_serviceUpdateRequired = true;
}
}
}
protected VersionedDocumentStore(IDocumentDbAccess dbAccess, IDocumentStoreConfigSource existingSource)
{
if (dbAccess == null)
{
throw new ArgumentNullException(nameof(dbAccess));
}
if (existingSource == null)
{
throw new ArgumentNullException(nameof(existingSource));
}
DbAccess = dbAccess;
if (!dbAccess.ConfigRegistry.IsStoreConfigRegistered(existingSource))
{
throw new ArgumentException("Store config has not been registed");
}
}
private void RegisterSource(IDocumentStoreConfigSource source)
{
// This processing must be synchronised to ensure that service updates are kept consistent with the
// registration of new sources. The locking flow is simplified by ensuring that a service update
// cannot happen at the same time as a source being registered. That has a trade off of efficiency
// because callers may be blocked at registration while waiting for a service update on another thread.
var storeName = source.GetConfig().StoreName;
lock (_sync)
{
if (!_configSources.ContainsKey(storeName))
{
// There is no store registered with the given name. Add the new source and mark a service update as
// being required on the next service config check.
_configSources.Add(storeName, source);
_serviceUpdateRequired = true;
}
}
}
