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// Copyright 2021-present StarRocks, Inc. All rights reserved.
//
// 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
//
//     https://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.staros.filecache;

import com.staros.proto.FileCacheInfo;

// FileCache is cache unit for one shard
public class FileCache {
    private FileCacheProperty cacheProperty;

    public FileCache() {
        this.cacheProperty = new FileCacheProperty();
    }

    public FileCache(FileCacheProperty cacheProperty) {
        this.cacheProperty = cacheProperty;
    }

    public FileCacheInfo toProtobuf() {
        FileCacheInfo.Builder builder = FileCacheInfo.newBuilder();
        builder.setEnableCache(cacheProperty.enableCache());
        builder.setTtlSeconds(cacheProperty.ttlSec());
        builder.setAsyncWriteBack(cacheProperty.asyncWriteBack());
        return builder.build();
    }

    public static FileCache fromProtobuf(FileCacheInfo cacheInfo) {
        boolean enableCache = cacheInfo.getEnableCache();
        long ttlSec = cacheInfo.getTtlSeconds();
        boolean asyncWriteBack = cacheInfo.getAsyncWriteBack();
        FileCacheProperty property = new FileCacheProperty(enableCache, ttlSec, asyncWriteBack);
        return new FileCache(property);
    }
}