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Modern server-side Java template engine for both web and standalone environments

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/*
 * =============================================================================
 *
 *   Copyright (c) 2011-2018, The THYMELEAF team (http://www.thymeleaf.org)
 *
 *   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 org.thymeleaf.cache;

/**
 * 

* Common interface for all objects defining the validity of * a template resolution. *

*

* These objects are queried by the Template Cache for knowing * whether a template is cacheable or not, and also for determining * if an existing cache entry is still valid. *

*

* A typical implementation is {@link TTLCacheEntryValidity}, * which determines the validity of a cache entry based on a TTL (time-to-live). *

* * @author Daniel Fernández * * @since 1.0 * */ public interface ICacheEntryValidity { /** *

* Returns whether the template resolution can be included into the cache * or not. *

* * @return {@code true} if the parsed template can be included into the cache, * {@code false} if not. */ public boolean isCacheable(); /** *

* Returns whether this template resolution is still valid or not (and therefore * its corresponding cache entry. Will only be ever called if * {@link #isCacheable()} returns true. *

*

* This method will be called by the Parsed Template Cache before returning * a cache entry, so that it can be invalidated if needed, and so trigger a new * template resolution operation. *

* * @return whether the template resolution can be still considered valid or not. */ public boolean isCacheStillValid(); }




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