com.innahema.collections.query.iterables.ArrayIterable Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of collections-query Show documentation

LINQ for Java or Java8 streams for Java6

There is a newer version: 0.2.9

/**
 * Copyright 2011 INNAHEMA Team (https://bitbucket.org/mart_bogdan/collectionsquery)
 *
 * 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 com.innahema.collections.query.iterables;


import com.innahema.exceptions.NullArgumentException;

import java.util.Iterator;
import java.util.NoSuchElementException;

/**
 * allows using array as {@link Iterable}<T>
 */
public class ArrayIterable implements Iterable
{
    private final T[] array;
    public final int length;
    public ArrayIterable(T[] arr) {
        NullArgumentException.test(arr, "arr");
        array=arr;
        length=arr.length;
    }

    /**
     * Returns an iterator over a set of elements of type T.
     *
     * @return an {@link Iterator}.
     */
    public Iterator iterator() {
        return new Iterator() {
            int index;
            public boolean hasNext() {
                return index