| /* |
| * Copyright (C) 2016 The Dagger Authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package dagger.grpc.functional.server; |
| |
| import static java.util.Arrays.asList; |
| |
| import com.google.common.collect.ConcurrentHashMultiset; |
| import com.google.common.collect.Multiset; |
| import com.google.protos.test.BaristaGrpc; |
| import dagger.Module; |
| import dagger.Provides; |
| import dagger.grpc.server.ForGrpcService; |
| import io.grpc.Metadata; |
| import io.grpc.ServerCall; |
| import io.grpc.ServerCall.Listener; |
| import io.grpc.ServerCallHandler; |
| import io.grpc.ServerInterceptor; |
| import java.util.List; |
| import javax.inject.Inject; |
| import javax.inject.Singleton; |
| |
| @Singleton |
| class CountingInterceptor implements ServerInterceptor { |
| private final Multiset<String> calls = ConcurrentHashMultiset.create(); |
| |
| @Inject |
| CountingInterceptor() {} |
| |
| @Override |
| public <RequestT, ResponseT> Listener<RequestT> interceptCall( |
| ServerCall<RequestT, ResponseT> call, |
| Metadata headers, |
| ServerCallHandler<RequestT, ResponseT> next) { |
| calls.add(call.getMethodDescriptor().getFullMethodName()); |
| return next.startCall(call, headers); |
| } |
| |
| public int countCalls(String methodName) { |
| return calls.count(methodName); |
| } |
| |
| @Module |
| static class CountingInterceptorModule { |
| @Provides |
| @ForGrpcService(BaristaGrpc.class) |
| static List<? extends ServerInterceptor> testServiceInterceptors( |
| CountingInterceptor countingInterceptor) { |
| return asList(countingInterceptor); |
| } |
| } |
| } |