io.atomix.primitive.PrimitiveId.java Source code

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Here is the source code for io.atomix.primitive.PrimitiveId.java

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/*
 * Copyright 2017-present Open Networking Foundation
 *
 * 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 io.atomix.primitive;

import com.google.common.hash.Hashing;
import io.atomix.utils.AbstractIdentifier;

import java.nio.charset.StandardCharsets;

/**
 * Snapshot identifier.
 */
public class PrimitiveId extends AbstractIdentifier<Long> {

    /**
     * Creates a snapshot ID from the given number.
     *
     * @param id the number from which to create the identifier
     * @return the snapshot identifier
     */
    public static PrimitiveId from(long id) {
        return new PrimitiveId(id);
    }

    /**
     * Creates a snapshot ID from the given string.
     *
     * @param id the string from which to create the identifier
     * @return the snapshot identifier
     */
    public static PrimitiveId from(String id) {
        return from(Hashing.sha256().hashString(id, StandardCharsets.UTF_8).asLong());
    }

    public PrimitiveId(Long value) {
        super(value);
    }
}