package eu.dnetlib.dlms.jdbc.ast;

import java.sql.SQLException;

import eu.dnetlib.dlms.jdbc.ExecutorContext;
import eu.dnetlib.dlms.jdbc.server.IExpressionExecutor;

/**
 * Lit for strings.
 * 
 * @author alessia
 * 
 */
public class StringLit extends Lit {
	/** String value. */
	private String str;

	/**
	 * {@inheritDoc}
	 * 
	 * @throws SQLException
	 * 
	 * @see eu.dnetlib.dlms.jdbc.ast.Expression#evaluate(eu.dnetlib.dlms.jdbc.server.IExpressionExecutor)
	 */
	@Override
	public Object evaluate(final IExpressionExecutor executor, final ExecutorContext context) throws SQLException {
		return executor.evaluate(this, context);
	}

	public void setStr(final String str) {
		this.str = str;
	}

	public String getStr() {
		return this.str;
	}

	/**
	 * Constructor.
	 * 
	 * @param str
	 *            String value
	 */
	public StringLit(final String str) {
		this.setStr(str);
	}

	@Override
	public String toString() {
		return "StringLit [str=" + this.str + "]";
	}

}