/*
 * Copyright (c) nosqlbench
 *
 * 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 io.nosqlbench.adapter.kafka.ops;

import io.nosqlbench.adapter.kafka.KafkaSpace;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

abstract public class OpTimeTrackKafkaClient {

    private final static Logger logger = LogManager.getLogger("OpTimeTrackKafkaClient");

    protected final KafkaSpace kafkaSpace;

    protected final long activityStartTime;

    // Maximum time length to execute Kafka operations (e.g. message send or consume)
    // - when NB execution passes this threshold, it is simply NoOp
    // - 0 means no maximum time constraint. KafkaOp is always executed until NB execution cycle finishes
    protected final long maxOpTimeInSec;

    public OpTimeTrackKafkaClient(KafkaSpace kafkaSpace) {
        this.kafkaSpace = kafkaSpace;
        this.activityStartTime = kafkaSpace.getActivityStartTimeMills();
        this.maxOpTimeInSec = kafkaSpace.getMaxOpTimeInSec();
    }

    public void process(long cycle, Object cycleObj) {

        long timeElapsedMills = System.currentTimeMillis() - activityStartTime;

        // If maximum operation duration is specified, only process messages
        // before the maximum duration threshold is reached. Otherwise, this is
        // just no-op.
        if ( (maxOpTimeInSec == 0) || (timeElapsedMills <= (maxOpTimeInSec*1000)) ) {
            cycleMsgProcess(cycle, cycleObj);
        }
    }

    abstract void cycleMsgProcess(long cycle, Object cycleObj);

    abstract public void close();
}
