D-Net

package eu.dnetlib.enabling.datasources.common;

import java.io.Serializable;

import java.util.Objects;

import javax.persistence.Embeddable;

import javax.persistence.JoinColumn;

import javax.persistence.ManyToOne;

import javax.persistence.MappedSuperclass;

import com.google.common.collect.ComparisonChain;

/**

 * Created by claudio on 13/04/2017.

 */

@Embeddable

@MappedSuperclass

public class ApiParamKey<A extends Api> implements Serializable {

	/**

	 * 

	 */

	protected static final long serialVersionUID = 1640636806392015938L;

	@ManyToOne

	@JoinColumn(name = "api")

	protected A api = null;

	protected String param;

	public ApiParamKey() {}

	public String getParam() {

		return param;

	}

	public ApiParamKey setParam(final String param) {

		this.param = param;

		return this;

	}

	public A getApi() {

		return api;

	}

	public void setApi(final A api) {

		this.api = api;

	}

	public int hashCode() {

		return Objects.hash(getParam(), getApi().getId());

	}

	@Override

	public boolean equals(final Object o) {

		if (this == o) { return true; }

		if (o == null || getClass() != o.getClass()) { return false; }

		ApiParamKey apk = (ApiParamKey) o;

		return ComparisonChain.start()

				.compare(getParam(), apk.getParam())

				.compare(getApi(), apk.getApi())

				.result() == 0;

	}

}