com.github.mjeanroy.dbunit.cache.CacheFactory Maven / Gradle / Ivy
/**
* The MIT License (MIT)
*
* Copyright (c) 2015-2019 Mickael Jeanroy
*
* 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 com.github.mjeanroy.dbunit.cache;
import com.github.mjeanroy.dbunit.commons.reflection.ClassUtils;
/**
* Factory for {@link Cache} instances.
*/
public final class CacheFactory {
/**
* Flag to know if Guava is available in the classpath.
*/
private static final boolean GUAVA_AVAILABLE = ClassUtils.isPresent("com.google.common.cache.Cache");
// Ensure non instantiation.
private CacheFactory() {
}
/**
* Create new cache.
* Note that:
*
* - If Guava is available, a {@link Cache} implemented with Guava is returned.
* - If Guava is not available, a dependency-free {@link Cache} is returned.
*
*
* @param loader The cache loader.
* @param Type of keys in the cache.
* @param Type of values in the cache.
* @return The new cache instance.
*/
public static Cache newCache(CacheLoader loader) {
return GUAVA_AVAILABLE ? new GuavaCache<>(loader) : new DefaultCache<>(loader);
}
}