src/main/java/org/apache/cassandra/sidecar/config/yaml/SSTableImportConfigurationImpl.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 java.util.concurrent.TimeUnit;

import com.fasterxml.jackson.annotation.JsonProperty;
import org.apache.cassandra.sidecar.config.CacheConfiguration;
import org.apache.cassandra.sidecar.config.SSTableImportConfiguration;

/**
 * Configuration for the SSTable Import functionality
 */
public class SSTableImportConfigurationImpl implements SSTableImportConfiguration
{
    public static final String POLL_INTERVAL_MILLIS_PROPERTY = "poll_interval_millis";
    public static final int DEFAULT_POLL_INTERVAL_MILLIS = 100;
    public static final String CACHE_PROPERTY = "cache";
    protected static final CacheConfiguration DEFAULT_CACHE_CONFIGURATION =
    new CacheConfigurationImpl(TimeUnit.HOURS.toMillis(2), 10_000);

    @JsonProperty(value = POLL_INTERVAL_MILLIS_PROPERTY, defaultValue = DEFAULT_POLL_INTERVAL_MILLIS + "")
    protected final int importIntervalMillis;

    @JsonProperty(value = CACHE_PROPERTY)
    protected final CacheConfiguration cacheConfiguration;

    public SSTableImportConfigurationImpl()
    {
        this(DEFAULT_POLL_INTERVAL_MILLIS, DEFAULT_CACHE_CONFIGURATION);
    }

    public SSTableImportConfigurationImpl(CacheConfiguration cacheConfiguration)
    {
        this(DEFAULT_POLL_INTERVAL_MILLIS, cacheConfiguration);
    }

    public SSTableImportConfigurationImpl(int importIntervalMillis)
    {
        this(importIntervalMillis, DEFAULT_CACHE_CONFIGURATION);
    }

    public SSTableImportConfigurationImpl(int importIntervalMillis,
                                          CacheConfiguration cacheConfiguration)
    {
        this.importIntervalMillis = importIntervalMillis;
        this.cacheConfiguration = cacheConfiguration;
    }

    /**
     * @return the interval in milliseconds in which the SSTable Importer will process pending imports
     */
    @Override
    @JsonProperty(value = POLL_INTERVAL_MILLIS_PROPERTY, defaultValue = DEFAULT_POLL_INTERVAL_MILLIS + "")
    public int importIntervalMillis()
    {
        return importIntervalMillis;
    }

    /**
     * @return the configuration for the cache used for SSTable Import requests
     */
    @Override
    @JsonProperty(value = CACHE_PROPERTY)
    public CacheConfiguration cacheConfiguration()
    {
        return cacheConfiguration;
    }
}