com.swirlds.merkledb.FileStatisticAware Maven / Gradle / Ivy

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/*
 * Copyright (C) 2023-2024 Hedera Hashgraph, LLC
 *
 * 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 com.swirlds.merkledb;

import java.util.LongSummaryStatistics;

/**
 * This interface indicates that the implementing class can provide statistics for the sizes of the files it uses.
 */
public interface FileStatisticAware {
    /**
     * Get statistics for sizes of the files it uses.
     *
     * @return statistics for sizes of all fully written files, in bytes
     */
    LongSummaryStatistics getFilesSizeStatistics();
}