Sample Application - Cassandra: The Definitive Guide - page 79

client.batch_mutate(wMutationMap, CL);
LOG.debug("Inserted " + wKey);
client.batch_mutate(waldorfMutationMap, CL);
LOG.debug("Inserted " + waldorfKey);
LOG.debug("Done inserting at " + System.nanoTime());
}
//set up columns to insert for W
private Map<byte[], Map<String, List<Mutation>>> createWMutation(
String columnFamily, String rowKey)
throws UnsupportedEncodingException {
Clock clock = new Clock(System.nanoTime());
Column nameCol = new Column("name".getBytes(UTF8),
W_NAME.getBytes("UTF-8"), clock);
Column phoneCol = new Column("phone".getBytes(UTF8),
"415-222-2222".getBytes(UTF8), clock);
Column addressCol = new Column("address".getBytes(UTF8),
"181 3rd Street".getBytes(UTF8), clock);
Column cityCol = new Column("city".getBytes(UTF8),
"San Francisco".getBytes(UTF8), clock);
Column stateCol = new Column("state".getBytes(UTF8),
"CA".getBytes("UTF-8"), clock);
Column zipCol = new Column("zip".getBytes(UTF8),
"94103".getBytes(UTF8), clock);
ColumnOrSuperColumn nameCosc = new ColumnOrSuperColumn();
nameCosc.column = nameCol;
ColumnOrSuperColumn phoneCosc = new ColumnOrSuperColumn();
phoneCosc.column = phoneCol;
ColumnOrSuperColumn addressCosc = new ColumnOrSuperColumn();
addressCosc.column = addressCol;
ColumnOrSuperColumn cityCosc = new ColumnOrSuperColumn();
cityCosc.column = cityCol;
ColumnOrSuperColumn stateCosc = new ColumnOrSuperColumn();
stateCosc.column = stateCol;
ColumnOrSuperColumn zipCosc = new ColumnOrSuperColumn();
zipCosc.column = zipCol;