1 // Copyright 2021 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 15 package dev.pigweed.pw_rpc; 16 17 import com.google.auto.value.AutoValue; 18 import java.util.Locale; 19 20 /** 21 * Represents an active RPC invocation: channel + service + method. 22 * 23 * TODO(hepler): Use call ID to support multiple simultaneous calls to the same RPC on one channel. 24 */ 25 @AutoValue 26 abstract class PendingRpc { create(Channel channel, Method method)27 static PendingRpc create(Channel channel, Method method) { 28 return new AutoValue_PendingRpc(channel, method); 29 } 30 channel()31 public abstract Channel channel(); 32 service()33 public final Service service() { 34 return method().service(); 35 } 36 method()37 public abstract Method method(); 38 39 @Override toString()40 public final String toString() { 41 return String.format(Locale.ENGLISH, "PendingRpc[%s|channel=%d]", method(), channel().id()); 42 } 43 } 44