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Swirlds is a software platform designed to build fully-distributed applications that harness the power of the cloud without servers. Now you can develop applications with fairness in decision making, speed, trust and reliability, at a fraction of the cost of traditional server-based platforms.
/*
* Copyright (C) 2018-2024 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.common.crypto;
/**
* Each RunningHashable instance contains a RunningHash instance, which encapsulates a Hash object
* which denotes a running Hash calculated from all RunningHashable in history up to this RunningHashable instance
*/
public interface RunningHashable extends Hashable {
/**
* Gets the current {@link RunningHash} instance associated with this object. This method should always return an
* instance of the {@link RunningHash} class and should never return a {@code null} value.
*
* @return the attached {@code RunningHash} instance.
*/
RunningHash getRunningHash();
}