io.airlift.drift.transport.netty.server.DriftNettyServerModule.java Source code

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Here is the source code for io.airlift.drift.transport.netty.server.DriftNettyServerModule.java

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/*
 * Copyright (C) 2018 Facebook, Inc.
 *
 * 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 io.airlift.drift.transport.netty.server;

import com.google.common.annotations.VisibleForTesting;
import com.google.inject.Binder;
import com.google.inject.Module;
import com.google.inject.Scopes;
import io.airlift.drift.transport.server.ServerTransportFactory;
import io.netty.buffer.ByteBufAllocator;
import io.netty.buffer.PooledByteBufAllocator;

import static io.airlift.configuration.ConfigBinder.configBinder;
import static java.util.Objects.requireNonNull;

public class DriftNettyServerModule implements Module {
    private final ByteBufAllocator allocator;

    public DriftNettyServerModule() {
        this(PooledByteBufAllocator.DEFAULT);
    }

    @VisibleForTesting
    public DriftNettyServerModule(ByteBufAllocator allocator) {
        this.allocator = requireNonNull(allocator, "allocator is null");
    }

    @Override
    public void configure(Binder binder) {
        configBinder(binder).bindConfig(DriftNettyServerConfig.class);
        binder.bind(ByteBufAllocator.class).toInstance(allocator);
        binder.bind(ServerTransportFactory.class).to(DriftNettyServerTransportFactory.class).in(Scopes.SINGLETON);
    }
}