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/*
 * Copyright (C) 2020 Graylog, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the Server Side Public License, version 1,
 * as published by MongoDB, Inc.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * Server Side Public License for more details.
 *
 * You should have received a copy of the Server Side Public License
 * along with this program. If not, see
 * .
 */
package org.graylog2.system.processing;

import com.github.joschi.jadconfig.Parameter;
import com.github.joschi.jadconfig.ValidationException;
import com.github.joschi.jadconfig.Validator;
import com.github.joschi.jadconfig.util.Duration;
import com.github.joschi.jadconfig.validators.PositiveDurationValidator;
import com.github.joschi.jadconfig.validators.PositiveIntegerValidator;

@SuppressWarnings({"unused", "FieldCanBeLocal"})
public class ProcessingStatusConfig {
    private static final String PREFIX = "processing_status_";
    static final String PERSIST_INTERVAL = PREFIX + "persist_interval";
    static final String UPDATE_THRESHOLD = PREFIX + "update_threshold";
    static final String JOURNAL_WRITE_RATE_THRESHOLD = PREFIX + "journal_write_rate_threshold";

    @Parameter(value = PERSIST_INTERVAL, validators = {PositiveDurationValidator.class, Minimum1SecondValidator.class})
    private Duration processingStatusPersistInterval = Duration.seconds(1);

    @Parameter(value = UPDATE_THRESHOLD, validators = {PositiveDurationValidator.class, Minimum1SecondValidator.class})
    private Duration updateThreshold = Duration.minutes(1);

    @Parameter(value = JOURNAL_WRITE_RATE_THRESHOLD, validators = PositiveIntegerValidator.class)
    private int journalWriteRateThreshold = 1;

    public Duration getProcessingStatusPersistInterval() {
        return processingStatusPersistInterval;
    }

    public Duration getUpdateThreshold() {
        return updateThreshold;
    }

    public int getJournalWriteRateThreshold() {
        return journalWriteRateThreshold;
    }

    public static class Minimum1SecondValidator implements Validator {
        @Override
        public void validate(final String name, final Duration value) throws ValidationException {
            if (value != null && value.compareTo(Duration.seconds(1)) < 0) {
                throw new ValidationException("Parameter " + name + " should be at least 1 second (found " + value + ")");
            }
        }
    }
}