IdBased.java

/**
 * Copyright © 2016-2018 The Thingsboard 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 org.thingsboard.server.common.data.id;

import com.fasterxml.jackson.annotation.JsonIgnore;

import java.io.Serializable;
import java.util.UUID;

public abstract class IdBased<I extends UUIDBased> implements Serializable {
	
	protected I id;
	
	public IdBased() {
		super();
	}
	
	public IdBased(I id) {
		super();
		this.id = id;
	}

	public void setId(I id) {
		this.id = id;
	}

	public I getId() {
		return id;
	}

	@JsonIgnore
	public UUID getUuidId() {
		if (id != null) {
			return id.getId();
		}
		return null;
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((id == null) ? 0 : id.hashCode());
		return result;
	}

	@SuppressWarnings("rawtypes")
	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		IdBased other = (IdBased) obj;
		if (id == null) {
			if (other.id != null)
				return false;
		} else if (!id.equals(other.id))
			return false;
		return true;
	}
	
}