/**
* Creates a CNBindingEnumeration object.
*
* @param ctx Context to enumerate
*/
CNBindingEnumeration(CNCtx ctx, boolean isLookedUpCtx, Hashtable env) {
// Get batch size to use
String batch = (env != null ? (String) env.get(javax.naming.Context.BATCHSIZE) : null);
if (batch != null) {
try {
batchsize = Integer.parseInt(batch);
} catch (NumberFormatException e) {
throw new IllegalArgumentException("Batch size not numeric: " + batch);
}
}
_ctx = ctx;
_ctx.incEnumCount();
this.isLookedUpCtx = isLookedUpCtx;
_env = env;
_bindingList = new BindingListHolder();
BindingIteratorHolder _bindingIterH = new BindingIteratorHolder();
// Perform listing and request that bindings be returned in _bindingIter
// Upon return,_bindingList returns a zero length list
_ctx._nc.list(0, _bindingList, _bindingIterH);
_bindingIter = _bindingIterH.value;
// Get first batch using _bindingIter
if (_bindingIter != null) {
more = _bindingIter.next_n(batchsize, _bindingList);
} else {
more = false;
}
counter = 0;
}
/** Get the next batch using _bindingIter. Update the 'more' field. */
private boolean getMore() throws NamingException {
try {
more = _bindingIter.next_n(batchsize, _bindingList);
counter = 0; // reset
} catch (Exception e) {
more = false;
NamingException ne = new NamingException("Problem getting binding list");
ne.setRootCause(e);
throw ne;
}
return more;
}
public void close() throws NamingException {
more = false;
if (_bindingIter != null) {
_bindingIter.destroy();
_bindingIter = null;
}
if (_ctx != null) {
_ctx.decEnumCount();
/**
* context was obtained by CNCtx, the user doesn't have a handle to it, close it as we are
* done enumerating through the context
*/
if (isLookedUpCtx) {
_ctx.close();
}
_ctx = null;
}
}
