/*
 * 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.dtstack.flink.sql.outputformat;

import com.dtstack.flink.sql.metric.MetricConstant;
import org.apache.flink.api.common.io.RichOutputFormat;
import org.apache.flink.metrics.Counter;
import org.apache.flink.metrics.Meter;
import org.apache.flink.metrics.MeterView;

/**
 * extend RichOutputFormat with metric 'dtNumRecordsOut', 'dtNumDirtyRecordsOut', 'dtNumRecordsOutRate'
 * Created by sishu.yss on 2018/11/28.
 */
public abstract class AbstractDtRichOutputFormat<T> extends RichOutputFormat<T>{

    public transient Counter outRecords;
    public transient Counter outDirtyRecords;
    public transient Meter outRecordsRate;

    protected static int ROW_PRINT_FREQUENCY = 1000;
    protected static int DIRTY_PRINT_FREQUENCY = 1000;

    public void initMetric() {
        outRecords = getRuntimeContext().getMetricGroup().counter(MetricConstant.DT_NUM_RECORDS_OUT);
        outDirtyRecords = getRuntimeContext().getMetricGroup().counter(MetricConstant.DT_NUM_DIRTY_RECORDS_OUT);
        outRecordsRate = getRuntimeContext().getMetricGroup().meter(MetricConstant.DT_NUM_RECORDS_OUT_RATE, new MeterView(outRecords, 20));
    }

}
