datastax java driver for cassandra 入门，datastaxcassandra

datastax java driver for cassandra 入门，datastaxcassandra

安装&启动cassandra

http://www.datastax.com/2012/01/getting-started-with-cassandra

安装maven插件

通过maven引入jar包

http://www.datastax.com/doc-source/developer/java-driver/#quick_start/qsSimpleClientCreate_t.html

package com.example.cassandra;


import com.datastax.driver.core.Cluster;
import com.datastax.driver.core.Host;
import com.datastax.driver.core.Metadata;


public class SimpleClient {
    private Cluster cluster;


    public void connect(String node) {
        cluster = Cluster.builder().addContactPoint(node).build();
        Metadata metadata = cluster.getMetadata();
        System.out.printf("Connected to cluster: %s\n",
                metadata.getClusterName());
        for (Host host : metadata.getAllHosts()) {
            System.out.printf("Datatacenter: %s; Host: %s; Rack: %s\n",
                    host.getDatacenter(), host.getAddress(), host.getRack());
        }
    }


    public void close() {
        cluster.shutdown();
    }


    public static void main(String[] args) {
        SimpleClient client = new SimpleClient();
        client.connect("192.168.2.14");
        client.close();
    }
}