pl.konczak.mystartupapp.sharedkernel.enversRepository.DefaultRevisionMetadata.java Source code

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Here is the source code for pl.konczak.mystartupapp.sharedkernel.enversRepository.DefaultRevisionMetadata.java

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/*
 * Copyright 2012 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
 *
 *      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 pl.konczak.mystartupapp.sharedkernel.enversRepository;

import org.hibernate.envers.DefaultRevisionEntity;
import org.joda.time.DateTime;
import org.springframework.data.history.RevisionMetadata;
import org.springframework.util.Assert;

/**
 * {@link RevisionMetadata} working with a {@link DefaultRevisionEntity}.
 * 
 * @author Oliver Gierke
 * @author Philip Huegelmeyer
 */
public class DefaultRevisionMetadata implements RevisionMetadata<Integer> {

    private final DefaultRevisionEntity entity;

    /**
     * Creates a new {@link DefaultRevisionMetadata}.
     * 
     * @param entity must not be {@literal null}.
     */
    public DefaultRevisionMetadata(DefaultRevisionEntity entity) {

        Assert.notNull(entity);
        this.entity = entity;
    }

    /*
     * (non-Javadoc)
     * @see org.springframework.data.history.RevisionMetadata#getRevisionNumber()
     */
    public Integer getRevisionNumber() {
        return entity.getId();
    }

    /*
     * (non-Javadoc)
     * @see org.springframework.data.history.RevisionMetadata#getRevisionDate()
     */
    public DateTime getRevisionDate() {
        return new DateTime(entity.getTimestamp());
    }

    /*
     * (non-Javadoc)
     * @see org.springframework.data.history.RevisionMetadata#getDelegate()
     */
    @SuppressWarnings("unchecked")
    public <T> T getDelegate() {
        return (T) entity;
    }
}