src/main/java/org/apache/cassandra/sidecar/config/yaml/HealthCheckConfigurationImpl.java

/*
 * 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 org.apache.cassandra.sidecar.config.yaml;

import com.fasterxml.jackson.annotation.JsonProperty;
import org.apache.cassandra.sidecar.config.HealthCheckConfiguration;
import org.jetbrains.annotations.VisibleForTesting;

/**
 * Configuration for the health checks
 */
public class HealthCheckConfigurationImpl implements HealthCheckConfiguration
{
    public static final String INITIAL_DELAY_MILLIS_PROPERTY = "initial_delay_millis";
    public static final int DEFAULT_INITIAL_DELAY_MILLIS = 0;

    public static final String POLL_FREQ_MILLIS_PROPERTY = "poll_freq_millis";
    public static final int DEFAULT_CHECK_INTERVAL_MILLIS = 30000;

    @JsonProperty(value = INITIAL_DELAY_MILLIS_PROPERTY)
    protected final int initialDelayMillis;

    @JsonProperty(value = POLL_FREQ_MILLIS_PROPERTY)
    protected final int checkIntervalMillis;

    public HealthCheckConfigurationImpl()
    {
        this(DEFAULT_INITIAL_DELAY_MILLIS, DEFAULT_CHECK_INTERVAL_MILLIS);
    }

    @VisibleForTesting
    public HealthCheckConfigurationImpl(int initialDelayMillis, int checkIntervalMillis)
    {
        this.initialDelayMillis = initialDelayMillis;
        this.checkIntervalMillis = checkIntervalMillis;
    }

    /**
     * @return the initial delay for the first health check, in milliseconds
     */
    @Override
    public int initialDelayMillis()
    {
        return initialDelayMillis;
    }

    /**
     * @return the interval, in milliseconds, in which the health checks will be performed
     */
    @Override
    @JsonProperty(value = POLL_FREQ_MILLIS_PROPERTY)
    public int checkIntervalMillis()
    {
        return checkIntervalMillis;
    }
}