* Copyright SpringSource Inc 2009.
* 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
* 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.
wraps a given
and protects access to the iterator by synchronizing on the monitor of the containing
This class is thread safe, but ConcurrentModificationException may still be thrown.
<> the type of element the iterator returns