@Test
// 50 times: 597 mills.
public void listKeyspaces() throws Exception {
int count = 50;
//
long beg = System.currentTimeMillis();
for (int i = 0; i < count; i++) {
CtSession ctSession = ctSessionFactory.openSession();
System.out.println(ctSession);
//
List<KsDef> kds = ctSession.describe_keyspaces();
for (KsDef kd : kds) {
StringBuilder buffer = new StringBuilder();
buffer.append("[");
buffer.append(kd.getName());
buffer.append("] ");
List<CfDef> cds = kd.getCf_defs();
int size = cds.size();
for (int j = 0; j < size; j++) {
buffer.append(cds.get(j).getName());
if (j < size - 1) {
buffer.append(", ");
}
}
//
System.out.println(buffer);
}
ctSessionFactory.closeSession();
}
long end = System.currentTimeMillis();
System.out.println(count + " times: " + (end - beg) + " mills. ");
}
public String addKeyspace(final KsDef keyspaceDefinition) throws Exception {
if (logger.isInfoEnabled()) logger.info("Adding keyspace '{}'", keyspaceDefinition.getName());
IManagerOperation<String> operation =
new IManagerOperation<String>() {
@Override
public String execute(Client conn) throws Exception {
return conn.system_add_keyspace(keyspaceDefinition);
}
};
String schemaVersion = tryOperation(operation);
if (logger.isInfoEnabled())
logger.info(
"Added keyspace '{}', schema version is now '{}'",
new Object[] {keyspaceDefinition.getName(), schemaVersion});
return schemaVersion;
}