com.srotya.sidewinder.core.ingress.binary.SeriesDataPointWriter.java Source code

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Here is the source code for com.srotya.sidewinder.core.ingress.binary.SeriesDataPointWriter.java

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/**
 * Copyright 2017 Ambud Sharma
 * 
 * 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 com.srotya.sidewinder.core.ingress.binary;

import java.io.IOException;

import com.srotya.sidewinder.core.storage.DataPoint;
import com.srotya.sidewinder.core.storage.StorageEngine;

import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;

/**
 * @author ambud
 */
public class SeriesDataPointWriter extends ChannelInboundHandlerAdapter {

    private StorageEngine engine;

    public SeriesDataPointWriter(StorageEngine engine) {
        this.engine = engine;
    }

    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) {
        if (msg == null) {
            return;
        }
        DataPoint dp = (DataPoint) msg;
        if (dp.getMeasurementName().isEmpty()) {
            return;
        }
        try {
            engine.writeDataPoint(dp);
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    @Override
    public void channelReadComplete(ChannelHandlerContext ctx) {
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
        cause.printStackTrace();
        ctx.close();
    }

}