+++ /dev/null
-/*
- * Copyright (c) 2012 Big Switch Networks, Inc.
- *
- * Licensed under the Eclipse Public License, Version 1.0 (the
- * "License"); you may not use this file except in compliance with the
- * License. You may obtain a copy of the License at
- *
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
- * implied. See the License for the specific language governing
- * permissions and limitations under the License.
- *
- * This file incorporates work covered by the following copyright and
- * permission notice:
- *
- * Originally created by David Erickson, Stanford University
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the
- * License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an "AS
- * IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
- * express or implied. See the License for the specific language
- * governing permissions and limitations under the License.
- */
-
-package org.opendaylight.controller.sal.utils;
-
-import java.util.Iterator;
-import java.util.NoSuchElementException;
-
-/**
- * Iterator over all values in an iterator of iterators
- *
- * @param <T>
- * the type of elements returned by this iterator
- */
-public class MultiIterator<T> implements Iterator<T> {
- Iterator<Iterator<T>> subIterator;
- Iterator<T> current = null;
-
- public MultiIterator(Iterator<Iterator<T>> subIterator) {
- super();
- this.subIterator = subIterator;
- }
-
- @Override
- public boolean hasNext() {
- if (current == null) {
- if (subIterator.hasNext()) {
- current = subIterator.next();
- } else {
- return false;
- }
- }
- while (!current.hasNext() && subIterator.hasNext()) {
- current = subIterator.next();
- }
-
- return current.hasNext();
- }
-
- @Override
- public T next() {
- if (hasNext())
- return current.next();
- throw new NoSuchElementException();
- }
-
- @Override
- public void remove() {
- if (hasNext())
- current.remove();
- throw new NoSuchElementException();
- }
-}