private static ZooCache getZooCache(Instance instance) {
SecurityManager sm = System.getSecurityManager();
if (sm != null) {
sm.checkPermission(TABLES_PERMISSION);
}
return ZooCache.getInstance(instance.getZooKeepers(), instance.getZooKeepersSessionTimeOut());
}
/**
* @param config Client configuration for specifying connection options. See {@link
* ClientConfiguration} which extends Configuration with convenience methods specific to
* Accumulo.
* @since 1.6.0
*/
public ZooKeeperInstance(Configuration config) {
ArgumentChecker.notNull(config);
if (config instanceof ClientConfiguration) {
this.clientConf = (ClientConfiguration) config;
} else {
this.clientConf = new ClientConfiguration(config);
}
this.instanceId = clientConf.get(ClientProperty.INSTANCE_ID);
this.instanceName = clientConf.get(ClientProperty.INSTANCE_NAME);
if ((instanceId == null) == (instanceName == null))
throw new IllegalArgumentException(
"Expected exactly one of instanceName and instanceId to be set");
this.zooKeepers = clientConf.get(ClientProperty.INSTANCE_ZK_HOST);
this.zooKeepersSessionTimeOut =
(int)
AccumuloConfiguration.getTimeInMillis(
clientConf.get(ClientProperty.INSTANCE_ZK_TIMEOUT));
zooCache = ZooCache.getInstance(zooKeepers, zooKeepersSessionTimeOut);
}
