Java Iterator limit(final Iterator iterator, final int limit)

Description

limit

License

Open Source License

Declaration

public static <T, R> Iterator<R> limit(final Iterator<R> iterator, final int limit) 

Method Source Code

//package com.java2s;
/*/*from   w ww .ja  v  a2s .  c om*/
 * Copyright (c) 2008-2016, Hazelcast, Inc. All Rights Reserved.
 *
 * 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.
 */

import java.util.Iterator;

public class Main {
    public static <T, R> Iterator<R> limit(final Iterator<R> iterator, final int limit) {
        return new Iterator<R>() {
            private int iterated;

            @Override
            public boolean hasNext() {
                return iterated < limit && iterator.hasNext();
            }

            @Override
            public R next() {
                iterated++;
                return iterator.next();
            }

            @Override
            public void remove() {
                iterator.remove();
            }
        };
    }
}

Related

1. isBlank(Iterator iterator)
2. isIterator(Class clazz)
3. isPrefixOf(Iterator pref, Iterator target)
4. iterable(Iterator iterator)
5. length(Iterator iter)
6. listOfIterator(Iterator iterator)
7. makeCollection(final Iterator i)
8. max(final Iterator iter, final int max)
9. mergeIterator( final Iterator iterator1, final Iterator iterator2)