/** Create unique Session id. */
protected String createSessionId() {
// Use UUID if specified in config (thanks Uli Romahn)
if (Config.hasProperty(SESSION_ID_GENERATION)
&& Config.getProperty(SESSION_ID_GENERATION).equals(SESSION_ID_GENERATION_UUID)) {
// We want to be Java 1.4 compatible so use UID class (1.5+ we may
// use java.util.UUID).
return new UID().toString();
}
// Other cases use random name
// Create a unique session id
// In 99.9999 % of the cases this should be generated at once
// We need the mutext to prevent the chance of creating
// same-valued ids (thanks Uli Romahn)
synchronized (mutex) {
String id;
while (true) {
id = Rand.randomName(Config.getIntProperty(SESSION_ID_SIZE));
if (!hasSession(id)) {
// Created unique session id
break;
}
}
return id;
}
}
@Test
public void hasPropertyNot() throws Exception {
final Config config = new Config();
assertFalse(config.hasProperty("asynchbase.nosuchkey"));
}
@Test
public void hasPropertyNull() throws Exception {
final Config config = new Config();
config.overrideConfig("asynchbase.null", null);
assertFalse(config.hasProperty("asynchbase.null"));
}
@Test
public void hasProperty() throws Exception {
final Config config = new Config();
assertTrue(config.hasProperty("hbase.rpcs.buffered_flush_interval"));
}