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There is a newer version: 3.0.4

/**
 * The MIT License (MIT)
 *
 * Copyright (c) 2011-2016 Incapture Technologies LLC
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package reflex.cache;

public class CacheElement {
    private T content;
    private long expiryTime;

    /**
     * Create a CacheElement
     *
     * @param content            The content
     * @param expiryOffsetMillis The expiration offset in milliseconds
     */
    public CacheElement(T content, long expiryOffsetMillis) {
        this.content = content;
        this.expiryTime = System.currentTimeMillis() + expiryOffsetMillis;
    }

    public T getContent() {
        return content;
    }

    public boolean hasExpired() {
        return System.currentTimeMillis() > this.expiryTime;
    }

    /* (non-Javadoc)
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        return "CacheElement [content=" + content + ", expiryTime=" + (expiryTime - System.currentTimeMillis()) + "]";
    }
}