dnet-hadoop/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/oaf/Qualifier.java

package eu.dnetlib.dhp.schema.oaf;

import java.io.Serializable;

import org.apache.commons.lang3.StringUtils;

import com.fasterxml.jackson.annotation.JsonIgnore;

public class Qualifier implements Serializable {

	private String classid;
	private String classname;
	private String schemeid;
	private String schemename;

	public String getClassid() {
		return classid;
	}

	public void setClassid(String classid) {
		this.classid = classid;
	}

	public String getClassname() {
		return classname;
	}

	public void setClassname(String classname) {
		this.classname = classname;
	}

	public String getSchemeid() {
		return schemeid;
	}

	public void setSchemeid(String schemeid) {
		this.schemeid = schemeid;
	}

	public String getSchemename() {
		return schemename;
	}

	public void setSchemename(String schemename) {
		this.schemename = schemename;
	}

	public String toComparableString() {
		return isBlank()
			? ""
			: String
				.format(
					"%s::%s::%s::%s",
					classid != null ? classid : "",
					classname != null ? classname : "",
					schemeid != null ? schemeid : "",
					schemename != null ? schemename : "");
	}

	@JsonIgnore
	public boolean isBlank() {
		return StringUtils.isBlank(classid)
			&& StringUtils.isBlank(classname)
			&& StringUtils.isBlank(schemeid)
			&& StringUtils.isBlank(schemename);
	}

	@Override
	public int hashCode() {
		return toComparableString().hashCode();
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;

		Qualifier other = (Qualifier) obj;

		return toComparableString().equals(other.toComparableString());
	}
}