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Access to the Neo4j graph database through Java

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/*
 * Copyright (c) 2002-2018 "Neo4j,"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * 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.neo4j.driver.internal.handlers;

import io.netty.channel.Channel;
import io.netty.util.concurrent.Promise;

import java.util.Map;

import org.neo4j.driver.internal.spi.ResponseHandler;
import org.neo4j.driver.v1.Logger;
import org.neo4j.driver.v1.Value;

public class PingResponseHandler implements ResponseHandler
{
    private final Promise result;
    private final Channel channel;
    private final Logger log;

    public PingResponseHandler( Promise result, Channel channel, Logger log )
    {
        this.result = result;
        this.channel = channel;
        this.log = log;
    }

    @Override
    public void onSuccess( Map metadata )
    {
        log.trace( "Channel %s pinged successfully", channel );
        result.setSuccess( true );
    }

    @Override
    public void onFailure( Throwable error )
    {
        log.trace( "Channel %s failed ping %s", channel, error );
        result.setSuccess( false );
    }

    @Override
    public void onRecord( Value[] fields )
    {
        throw new UnsupportedOperationException();
    }
}