D-Net

/**

 * 

 */

package eu.dnetlib.utils.cql;

/**

 * @author stoumpos

 * 

 */

public class CqlRelation extends CqlClause {

	String index = null;

	String operator = null;

	String value = null;

	public CqlRelation() {

		this(null, null, null);

	}

	public CqlRelation(String index, String operator, String value) {

		super(CqlClauseType.RELATION);

		this.index = index;

		this.operator = operator;

		this.value = value;

	}

	public String getIndex() {

		return index;

	}

	public void setIndex(String index) {

		this.index = index;

	}

	public String getOperator() {

		return operator;

	}

	public void setOperator(String operator) {

		this.operator = operator;

	}

	public String getValue() {

		return value;

	}

	public void setValue(String value) {

		this.value = value;

	}

	@Override

	public String toCqlString() {

		StringBuffer buffer = new StringBuffer();

		buffer.append(index).append(" ").append(operator);

		buffer.append(" ").append(value);

		return buffer.toString();

	}

	@Override

	public String toNodeString(String prefix) {

		return prefix + "relation: " + toCqlString();

	}

}