internal void ReleaseClient(SpannerClient spannerClient, SpannerConnectionStringBuilder connectionStringBuilder)
{
if (spannerClient != null)
{
var key = new ClientCredentialKey(connectionStringBuilder);
CredentialClientPool poolEntry;
if (_clientPoolByCredential.TryGetValue(key, out poolEntry))
{
poolEntry.ReleaseClient(spannerClient);
}
else
{
Logger.Error(() => "An attempt was made to release an unrecognized spanner client to the pool.");
}
}
}
internal SpannerClientCreationOptions(SpannerConnectionStringBuilder builder)
{
var emulatorBuilder = new SpannerClientBuilder
{
EmulatorDetection = builder.EmulatorDetection,
EnvironmentVariableProvider = builder.EnvironmentVariableProvider
}.MaybeCreateEmulatorClientBuilder();
UsesEmulator = emulatorBuilder is object;
// If the client connects to the emulator use its endpoint (regardless of builder.Endpoint)
Endpoint = emulatorBuilder?.Endpoint ?? builder.EndPoint;
_credentialsFile = builder.CredentialFile;
// If the client connects to the emulator, use its credentials (regardless of builder.CredentialOverride)
_credentialsOverride = emulatorBuilder?.ChannelCredentials ?? builder.CredentialOverride;
MaximumGrpcChannels = builder.MaximumGrpcChannels;
MaximumConcurrentStreamsLowWatermark = (uint)builder.MaxConcurrentStreamsLowWatermark;
}
public ClientCredentialKey(SpannerConnectionStringBuilder connectionStringBuilder)
{
Credentials = connectionStringBuilder.GetCredentials();
Endpoint = connectionStringBuilder.EndPoint ?? SpannerClient.DefaultEndpoint;
AdditionalOptions = connectionStringBuilder;
}
/// <summary>
/// Creates a SpannerConnection with a datasource contained in connectionString.
/// </summary>
/// <param name="connectionStringBuilder">
/// A SpannerConnectionStringBuilder containing a formatted connection string. Must not be null.
/// </param>
public SpannerConnection(SpannerConnectionStringBuilder connectionStringBuilder)
{
GaxPreconditions.CheckNotNull(connectionStringBuilder, nameof(connectionStringBuilder));
TrySetNewConnectionInfo(connectionStringBuilder);
}