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+/* Binding_iterator.java --
+ Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.CORBA.NamingService;
+
+import gnu.CORBA.SafeForDirectCalls;
+
+import org.omg.CosNaming.Binding;
+import org.omg.CosNaming.BindingHolder;
+import org.omg.CosNaming.BindingListHolder;
+import org.omg.CosNaming.BindingType;
+import org.omg.CosNaming.NameComponent;
+import org.omg.CosNaming._BindingIteratorImplBase;
+
+/**
+ * The implementation of the {@link BindingIterator}.
+ *
+ * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
+ */
+public class Binding_iterator_impl
+ extends _BindingIteratorImplBase implements SafeForDirectCalls
+{
+ /**
+ * The value, returned by the {@link #next_one} when there
+ * are no bindings available.
+ */
+ private static final Binding no_more_bindings =
+ new Binding(new NameComponent[ 0 ], BindingType.nobject);
+
+ /**
+ * The collection of the available bindings.
+ */
+ private final Binding[] bindings;
+
+ /**
+ * The position of the internal iterator pointer.
+ */
+ private int p;
+
+ public Binding_iterator_impl(Binding[] a_bindings)
+ {
+ bindings = a_bindings;
+ }
+
+ /**
+ * Disconnect the iterator from its ORB. The iterator will
+ * no longer be accessible and will be a subject of the
+ * garbage collection.
+ */
+ public void destroy()
+ {
+ _orb().disconnect(this);
+ }
+
+ /**
+ * Return the desired amount of bindings.
+ *
+ * @param amount the maximal number of bindings to return.
+ * @param a_list a holder to store the returned bindings.
+ *
+ * @return false if there are no more bindings available,
+ * true otherwise.
+ */
+ public boolean next_n(int amount, BindingListHolder a_list)
+ {
+ if (p < bindings.length)
+ {
+ int n = bindings.length - p;
+ if (n > amount)
+ n = amount;
+
+ a_list.value = new Binding[ n ];
+ for (int i = 0; i < n; i++)
+ a_list.value [ i ] = bindings [ p++ ];
+
+ return true;
+ }
+ else
+ {
+ a_list.value = new Binding[ 0 ];
+ return false;
+ }
+ }
+
+ /**
+ * Return the next binding.
+ *
+ * @param a_binding a holder, where the next binding will be stored.
+ *
+ * @return false if there are no more bindings available, true
+ * otherwise.
+ */
+ public boolean next_one(BindingHolder a_binding)
+ {
+ if (p < bindings.length)
+ {
+ a_binding.value = (Binding) bindings [ p++ ];
+ return true;
+ }
+ else
+ {
+ a_binding.value = no_more_bindings;
+ return false;
+ }
+ }
+}