AbstractEntity.java

package org.rapidoid.jpa;

import org.rapidoid.RapidoidThing;
import org.rapidoid.annotation.Authors;
import org.rapidoid.annotation.Since;

import javax.persistence.MappedSuperclass;

/*
 * #%L
 * rapidoid-jpa
 * %%
 * Copyright (C) 2014 - 2017 Nikolche Mihajlovski and contributors
 * %%
 * 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.
 * #L%
 */

@MappedSuperclass
@Authors("Nikolche Mihajlovski")
@Since("5.1.0")
public abstract class AbstractEntity<ID> extends RapidoidThing {

	public abstract ID getId();

	@Override
	public boolean equals(Object o) {
		if (this == o) return true;
		if (o == null || getClass() != o.getClass()) return false;
		AbstractEntity that = (AbstractEntity) o;
		return getId() != null ? getId().equals(that.getId()) : that.getId() == null;
	}

	@Override
	public int hashCode() {
		ID id = getId();
		return id != null ? id.hashCode() : 0;
	}

	@Override
	public String toString() {
		return getClass().getSimpleName() + "{" + "id=" + getId() + '}';
	}
}