/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.ratis.trace;

import org.apache.ratis.proto.RaftProtos.AppendEntriesRequestProto;
import org.apache.ratis.proto.RaftProtos.SpanContextProto;
import org.apache.ratis.protocol.RaftClientRequest;
import org.apache.ratis.protocol.RaftPeerId;
import org.apache.ratis.util.function.CheckedSupplier;

import java.io.IOException;
import java.util.concurrent.CompletableFuture;

enum NoOpTraceProvider implements TraceProvider {
  INSTANCE;

  @Override
  public SpanContextProto injectContextToProto() {
    return null;
  }

  @Override
  public <T, THROWABLE extends Throwable> CompletableFuture<T> traceClientSend(
      CheckedSupplier<CompletableFuture<T>, THROWABLE> action,
      RaftClientRequest.Type type, RaftPeerId server) throws THROWABLE {
    return action.get();
  }

  @Override
  public <T, THROWABLE extends Throwable> CompletableFuture<T> traceServerRequest(
      CheckedSupplier<CompletableFuture<T>, THROWABLE> action,
      RaftClientRequest request, String memberId, String spanName) throws THROWABLE {
    return action.get();
  }

  @Override
  public <T> CompletableFuture<T> traceAppendEntries(
      CheckedSupplier<CompletableFuture<T>, IOException> action,
      AppendEntriesRequestProto request, String memberId) throws IOException {
    return action.get();
  }
}
