org.springframework.data.repository.history.RevisionRepository.java Source code

Java tutorial

Introduction

Here is the source code for org.springframework.data.repository.history.RevisionRepository.java

Source

/*
 * Copyright 2012-2019 the original author or authors.
 *
 * 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 org.springframework.data.repository.history;

import java.util.Optional;

import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.history.Revision;
import org.springframework.data.history.RevisionSort;
import org.springframework.data.history.Revisions;
import org.springframework.data.repository.NoRepositoryBean;
import org.springframework.data.repository.Repository;

/**
 * A repository which can access entities held in a variety of {@link Revisions}.
 *
 * @author Oliver Gierke
 * @author Philipp Huegelmeyer
 */
@NoRepositoryBean
public interface RevisionRepository<T, ID, N extends Number & Comparable<N>> extends Repository<T, ID> {

    /**
     * Returns the revision of the entity it was last changed in.
     *
     * @param id must not be {@literal null}.
     * @return
     */
    Optional<Revision<N, T>> findLastChangeRevision(ID id);

    /**
     * Returns all {@link Revisions} of an entity with the given id.
     *
     * @param id must not be {@literal null}.
     * @return
     */
    Revisions<N, T> findRevisions(ID id);

    /**
     * Returns a {@link Page} of revisions for the entity with the given id. Note, that it's not guaranteed that
     * implementations have to support sorting by all properties.
     *
     * @param id must not be {@literal null}.
     * @param pageable
     * @see RevisionSort
     * @return
     */
    Page<Revision<N, T>> findRevisions(ID id, Pageable pageable);

    /**
     * Returns the entity with the given ID in the given revision number.
     *
     * @param id must not be {@literal null}.
     * @param revisionNumber must not be {@literal null}.
     * @return the {@link Revision} of the entity with the given ID in the given revision number.
     * @since 1.12
     */
    Optional<Revision<N, T>> findRevision(ID id, N revisionNumber);
}