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Recall: An off-heap garbage-free object store

There is a newer version: 1.1.0

/*
 * Copyright 2019 Aitu Software Limited.
 *
 * https://aitusoftware.com
 *
 * 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.aitusoftware.recall.persistence;

/**
 * Function to map an instance to an ID.
 *
 * @param  the type of the instance
 */
@FunctionalInterface
public interface IdAccessor
{
    /**
     * Return the ID belonging to the value.
     *
     * @param value input value
     * @return the ID of the value
     */
    long getId(T value);
}