jlibs.core.util.NonNullIterator Maven / Gradle / Ivy
/**
* Copyright 2015 Santhosh Kumar Tekuri
*
* The JLibs authors license this file to you 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 jlibs.core.util;
/**
* @author Santhosh Kumar T
*/
public abstract class NonNullIterator extends AbstractIterator{
@Override
protected final Object computeNext(){
T next = findNext();
return next==null ? NO_MORE_ELEMENTS : next;
}
protected abstract T findNext();
}