/*
 * Copyright 2017 The Netty Project
 *
 * The Netty Project 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 io.netty.resolver.dns;

import io.netty.handler.codec.dns.DnsQuestion;
import io.netty.util.internal.UnstableApi;

@UnstableApi
public final class NoopDnsQueryLifecycleObserverFactory implements DnsQueryLifecycleObserverFactory {
    public static final NoopDnsQueryLifecycleObserverFactory INSTANCE = new NoopDnsQueryLifecycleObserverFactory();

    private NoopDnsQueryLifecycleObserverFactory() {
    }

    @Override
    public DnsQueryLifecycleObserver newDnsQueryLifecycleObserver(DnsQuestion question) {
        return NoopDnsQueryLifecycleObserver.INSTANCE;
    }
}