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com.whaleal.icefrog.cache.impl.CacheValuesIterator Maven / Gradle / Ivy

package com.whaleal.icefrog.cache.impl;

import java.io.Serializable;
import java.util.Iterator;

/**
 * {@link com.whaleal.icefrog.cache.impl.AbstractCache} 的值迭代器.
 *
 * @param  迭代对象类型
 * @author Looly
 * @author wh
 */
public class CacheValuesIterator implements Iterator, Serializable {
    private static final long serialVersionUID = 1L;

    private final CacheObjIterator cacheObjIter;

    /**
     * 构造
     *
     * @param iterator 原{@link CacheObjIterator}
     */
    CacheValuesIterator( CacheObjIterator iterator ) {
        this.cacheObjIter = iterator;
    }

    /**
     * @return 是否有下一个值
     */
    @Override
    public boolean hasNext() {
        return this.cacheObjIter.hasNext();
    }

    /**
     * @return 下一个值
     */
    @Override
    public V next() {
        return cacheObjIter.next().getValue();
    }

    /**
     * 从缓存中移除没有过期的当前值,不支持此方法
     */
    @Override
    public void remove() {
        cacheObjIter.remove();
    }
}




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