/**
* Copyright 2013 David Rusek <dave dot rusek at gmail dot com>
*
* 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 org.robotninjas.barge.rpc;
import com.google.common.base.Functions;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.inject.Inject;
import org.jetlang.fibers.Fiber;
import org.robotninjas.barge.RaftExecutor;
import org.robotninjas.barge.Replica;
import org.robotninjas.barge.api.AppendEntries;
import org.robotninjas.barge.api.AppendEntriesResponse;
import org.robotninjas.barge.api.RequestVote;
import org.robotninjas.barge.api.RequestVoteResponse;
import javax.annotation.Nonnull;
import javax.annotation.concurrent.Immutable;
import java.util.concurrent.Executor;
import static com.google.common.base.Preconditions.checkNotNull;
@Immutable
public class Client {
@Nonnull
private final RaftClientProvider clientProvider;
@Nonnull
private final Executor executor;
@Inject
public Client(@Nonnull RaftClientProvider clientProvider, @Nonnull @RaftExecutor Fiber executor) {
this.clientProvider = clientProvider;
this.executor = executor;
}
@Nonnull
public ListenableFuture<RequestVoteResponse> requestVote(@Nonnull final Replica replica, @Nonnull final RequestVote request) {
checkNotNull(replica);
checkNotNull(request);
ListenableFuture<RequestVoteResponse> response = clientProvider.get(replica).requestVote(request);
return Futures.transform(response, Functions.<RequestVoteResponse>identity(), executor);
}
@Nonnull
public ListenableFuture<AppendEntriesResponse> appendEntries(@Nonnull final Replica replica, @Nonnull final AppendEntries request) {
checkNotNull(replica);
checkNotNull(request);
ListenableFuture<AppendEntriesResponse> response = clientProvider.get(replica).appendEntries(request);
return Futures.transform(response, Functions.<AppendEntriesResponse>identity(), executor);
}
}