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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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 com.alipay.sofa.jraft.rhea.pipeline.handler;

import com.alipay.sofa.jraft.rhea.pipeline.event.PingEvent;
import com.alipay.sofa.jraft.rhea.pipeline.event.PongEvent;
import com.alipay.sofa.jraft.rhea.util.Lists;
import com.alipay.sofa.jraft.rhea.util.pipeline.Handler;
import com.alipay.sofa.jraft.rhea.util.pipeline.HandlerContext;
import com.alipay.sofa.jraft.rhea.util.pipeline.InboundHandlerAdapter;
import com.alipay.sofa.jraft.rhea.util.pipeline.event.InboundMessageEvent;

/**
 * @author jiachun.fjc
 */
@Handler.Sharable
public class PlacementDriverTailHandler extends InboundHandlerAdapter> {

    @Override
    public void handleInbound(final HandlerContext ctx, final InboundMessageEvent event) throws Exception {
        if (isAcceptable(event)) {
            // to outbound
            PingEvent ping = (PingEvent) event;
            ctx.pipeline().fireOutbound(new PongEvent(ping.getInvokeId(), Lists.newArrayList(ping.getInstructions())));
        }
    }

    @Override
    public void readMessage(final HandlerContext ctx, final PingEvent event) throws Exception {
        // no-op
    }
}