public synchronized MWStat setData(String path, byte[] data, int version, long time)
throws MWZooKeeperException {
StringTokenizer st = new StringTokenizer(path, "/");
MWTreeNode cur = root;
String str = null;
while (st.hasMoreTokens()) {
str = st.nextToken();
if (!cur.children.containsKey(str)) {
throw new MWZooKeeperException("Pfad " + path + " existiert nicht (" + str + ")!");
}
cur = cur.children.get(str);
}
if (cur.stat.version == version) {
cur.data = data;
cur.stat.version++;
cur.stat.time = time;
} else {
throw new MWZooKeeperException("Versionsnummern stimmen nicht ueberein!");
}
return cur.stat;
}
public synchronized String create(String path, byte[] data, long time, long ephemeralOwner)
throws MWZooKeeperException {
StringTokenizer st = new StringTokenizer(path, "/");
MWTreeNode cur = root;
String str = null;
while (st.hasMoreTokens()) {
str = st.nextToken();
if (cur.children.containsKey(str)) {
if (!st.hasMoreTokens()) {
throw new MWZooKeeperException("Ordner " + str + " schon vorhanden (" + path + ")!");
} else {
cur = cur.children.get(str);
}
} else if (st.hasMoreTokens()) {
throw new MWZooKeeperException(
"Ueberordner " + str + " existiert noch nicht (" + path + ")!");
}
}
MWTreeNode node = new MWTreeNode(data, time);
node.ephemeralOwner = ephemeralOwner;
cur.children.put(str, node);
return path;
}
