package jelectrum.db.cassandra; import com.datastax.driver.core.Cluster; import com.datastax.driver.core.Session; import com.datastax.driver.core.PreparedStatement; import java.nio.ByteBuffer; import java.util.Random; public class CassTest { public static void main(String args[]) throws Exception { Cluster cluster = Cluster.builder().addContactPoint("127.0.0.1").build(); Session session = cluster.connect("demo"); byte[] data = new byte[86]; Random rnd = new Random(); rnd.nextBytes(data); { PreparedStatement ps = session.prepare("UPDATE maptable set data=? where key=?"); session.execute(ps.bind(ByteBuffer.wrap(data), "zing")); } session.execute(session.prepare("INSERT into mapset (key,value) values (?,?)").bind("a","b" + rnd.nextInt())); cluster.close(); } }