ch.mfrey.thymeleaf.extras.cache.TTLCacheValidityChecker Maven / Gradle / Ivy

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A dialect for Thymeleaf that allows you to do partial page caching. Some parts of our webpage will never change during the lifetime of the application or a usersession, but the part should still be dynamic in the beginning. Working with Thymeleaf 3.0.0+ (3.0.0.RELEASE and its dependencies included)

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package ch.mfrey.thymeleaf.extras.cache;

import java.util.List;

import org.thymeleaf.cache.ICacheEntryValidityChecker;
import org.thymeleaf.dom.Node;

class TTLCacheValidityChecker implements ICacheEntryValidityChecker> {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	private final int cacheTTLs;

	public TTLCacheValidityChecker(int cacheTTLs) {
		super();
		this.cacheTTLs = cacheTTLs;
	}

	public boolean checkIsValueStillValid(String key, List value, long entryCreationTimestamp) {
		final long currentTimeInMillis = System.currentTimeMillis();
		return (currentTimeInMillis < entryCreationTimestamp + this.cacheTTLs * 1000);
	}

}