Examples with StreamInfo io.grpc.ClientStreamTracer.StreamInfo used on opensource projects

Example 11 with StreamInfo

use of io.grpc.ClientStreamTracer.StreamInfo in project grpc-java by grpc.

the class GrpcUtil method getClientStreamTracers.

/**
 * Gets stream tracers based on CallOptions.
 */
public static ClientStreamTracer[] getClientStreamTracers(CallOptions callOptions, Metadata headers, int previousAttempts, boolean isTransparentRetry) {
    List<ClientStreamTracer.Factory> factories = callOptions.getStreamTracerFactories();
    ClientStreamTracer[] tracers = new ClientStreamTracer[factories.size() + 1];
    StreamInfo streamInfo = StreamInfo.newBuilder().setCallOptions(callOptions).setPreviousAttempts(previousAttempts).setIsTransparentRetry(isTransparentRetry).build();
    for (int i = 0; i < factories.size(); i++) {
        tracers[i] = factories.get(i).newClientStreamTracer(streamInfo, headers);
    }
    // Reserved to be set later by the lb as per the API contract of ClientTransport.newStream().
    // See also GrpcUtil.getTransportFromPickResult()
    tracers[tracers.length - 1] = NOOP_TRACER;
    return tracers;
}