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/*
 * Copyright 2015 the original author or authors.
 *
 * 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 leap.lang.expirable;

import leap.lang.Expirable;

public interface TimeExpirable extends Expirable {

    /**
     * Returns the expires in from created.
     * unit:second
     */
    int getExpiresIn();

    /**
     * Return the expires in from now
     * unit:second
     */
    default int getExpiresInFormNow(){
        return getExpiresIn() - (int)((System.currentTimeMillis()-getCreated())/1000);
    }
    
    /**
     * Returns the creation time in mill-seconds.
     */
    long getCreated();
    
    default boolean isExpired() {
        return getExpiresInFormNow() > 0;
    }
}