com.jd.blockchain.utils.EmptySkippingIterator Maven / Gradle / Ivy

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package com.jd.blockchain.utils;

public class EmptySkippingIterator implements SkippingIterator {
	
	@SuppressWarnings("rawtypes")
	private static final SkippingIterator INSTANCE = new EmptySkippingIterator();
	
	@SuppressWarnings("unchecked")
	public static  SkippingIterator instance(){
		return (SkippingIterator) INSTANCE;
	}

	@Override
	public boolean hasNext() {
		return false;
	}

	@Override
	public E next() {
		return null;
	}

	@Override
	public long getTotalCount() {
		return 0;
	}

	@Override
	public long getCursor() {
		return -1;
	}

	@Override
	public long skip(long skippingCount) {
		return 0;
	}
	
}