Simple database health check with Spring

DatabaseHealthCheck.java

package your.package;

import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.SingleColumnRowMapper;
import org.springframework.stereotype.Component;

import java.util.ArrayList;
import java.util.List;

@Component
public class DatabaseHealthCheck {
    private final JdbcTemplate template;

    public DatabaseHealthCheck(JdbcTemplate template) {
        this.template = template;
    }

    /**
     * Check if the database is up
     *
     * @return a boolean value. True if the database is up, otherwise, it returns false
     */
    public boolean isDatabaseUp(){
        List<Object> results;
        try {
            results = template.query("SELECT 1",
                new SingleColumnRowMapper<>());
        } catch (RuntimeException e) {
            results = new ArrayList<>();
        }
        return !results.isEmpty();
    }
}