qdg.bits.IndexIterator.java Source code

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Here is the source code for qdg.bits.IndexIterator.java

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/*
 * Copyright (C) 2013 Marton Makai
 *
 * 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 qdg.bits;

import java.util.Collection;

import com.google.common.collect.UnmodifiableIterator;

public class IndexIterator<E> extends UnmodifiableIterator<Integer> {

    private int i = 0;

    private Collection<E> c;

    public IndexIterator(Collection<E> c) {
        this.c = c;
    }

    @Override
    public boolean hasNext() {
        return (i < c.size());
    }

    @Override
    public Integer next() {
        return i++;
    }
};