/**
* Convert Iterable of {@link ZKOp} we got into the ZooKeeper.Op instances to actually pass to
* multi (need to do this in order to appendMetaData).
*/
private Iterable<Op> prepareZKMulti(Iterable<Op> ops) throws UnsupportedOperationException {
if (ops == null) return null;
List<Op> preparedOps = new LinkedList<Op>();
for (Op op : ops) {
if (op.getType() == ZooDefs.OpCode.create) {
CreateRequest create = (CreateRequest) op.toRequestRecord();
preparedOps.add(
Op.create(
create.getPath(),
appendMetaData(create.getData()),
create.getAcl(),
create.getFlags()));
} else if (op.getType() == ZooDefs.OpCode.delete) {
// no need to appendMetaData for delete
preparedOps.add(op);
} else if (op.getType() == ZooDefs.OpCode.setData) {
SetDataRequest setData = (SetDataRequest) op.toRequestRecord();
preparedOps.add(
Op.setData(setData.getPath(), appendMetaData(setData.getData()), setData.getVersion()));
} else {
throw new UnsupportedOperationException("Unexpected ZKOp type: " + op.getClass().getName());
}
}
return preparedOps;
}
