VersionedModel.java

/*
 * Copyright 2018 Global Crop Diversity Trust
 *
 * 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 org.genesys.blocks.model;

import javax.persistence.Column;
import javax.persistence.MappedSuperclass;
import javax.persistence.PrePersist;
import javax.persistence.Version;

import lombok.Getter;
import lombok.Setter;
import lombok.ToString;

/**
 * The Class VersionedModel.
 */
@MappedSuperclass
@Getter
@Setter
@ToString(callSuper = true)
public abstract class VersionedModel extends BasicModel implements Activatable {

	/** The Constant DEFAULT_ACTIVE_VALUE. */
	static final boolean DEFAULT_ACTIVE_VALUE = true;

	/** The Constant serialVersionUID. */
	private static final long serialVersionUID = 6486704708017489425L;

	/** The version. */
	@Version
	@Column(nullable = false)
	Integer version = null;

	/** Active by default!. */
	@Column(nullable = false)
	protected boolean active = DEFAULT_ACTIVE_VALUE;

	/**
	 * First persisted version is 1
	 */
	@PrePersist
	private void prepersistVersionedModel() {
		version = 1;
	}
}