本文整理汇总了Java中org.ofbiz.base.util.cache.UtilCache.putIfAbsentAndGet方法的典型用法代码示例。如果您正苦于以下问题：Java UtilCache.putIfAbsentAndGet方法的具体用法？Java UtilCache.putIfAbsentAndGet怎么用？Java UtilCache.putIfAbsentAndGet使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.ofbiz.base.util.cache.UtilCache的用法示例。
在下文中一共展示了UtilCache.putIfAbsentAndGet方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getTemplate
import org.ofbiz.base.util.cache.UtilCache; //导入方法依赖的package包/类
/**
* Gets a Template instance from the template cache. If the Template instance isn't
* found in the cache, then one will be created.
* <p>
* SCIPIO: 2017-02-21: May now pass cache null to bypass caching.
*/
public static Template getTemplate(String templateLocation, UtilCache<String, Template> cache, Configuration config) throws TemplateException, IOException {
Template template = (cache != null) ? cache.get(templateLocation) : null;
if (template == null) {
// only make the reader if we need it, and then close it right after!
Reader templateReader = makeReader(templateLocation);
try {
template = new Template(templateLocation, templateReader, config);
} finally { // SCIPIO: added finally
templateReader.close();
}
if (cache != null) {
template = cache.putIfAbsentAndGet(templateLocation, template);
}
}
return template;
}
示例2: getTemplateFromString
import org.ofbiz.base.util.cache.UtilCache; //导入方法依赖的package包/类
/**
* SCIPIO: Gets template from string out of custom cache (new).
* 2017-02-21: May now pass cache null to bypass caching.
*/
public static Template getTemplateFromString(String templateString, String templateKey, String templateName, UtilCache<String, Template> cache, Configuration config) throws TemplateException, IOException {
Template template = (cache != null) ? cache.get(templateKey) : null;
if (template == null) {
Reader templateReader = new StringReader(templateString);
try {
template = new Template(templateName, templateReader, config);
} finally {
templateReader.close();
}
if (cache != null) {
template = cache.putIfAbsentAndGet(templateKey, template);
}
}
return template;
}
示例3: testPutIfAbsentAndGet
import org.ofbiz.base.util.cache.UtilCache; //导入方法依赖的package包/类
public void testPutIfAbsentAndGet() throws Exception {
UtilCache<String, String> cache = createUtilCache(5, 5, 2000, false, false);
Listener<String, String> gotListener = createListener(cache);
Listener<String, String> wantedListener = new Listener<String, String>();
wantedListener.noteKeyAddition(cache, "key", "value");
wantedListener.noteKeyAddition(cache, "anotherKey", "anotherValue");
assertNull("no-get", cache.get("key"));
assertEquals("putIfAbsentAndGet", "value", cache.putIfAbsentAndGet("key", "value"));
assertHasSingleKey(cache, "key", "value");
assertEquals("putIfAbsentAndGet", "value", cache.putIfAbsentAndGet("key", "newValue"));
assertHasSingleKey(cache, "key", "value");
String anotherValueAddedToCache = new String("anotherValue");
String anotherValueNotAddedToCache = new String("anotherValue");
assertEquals(anotherValueAddedToCache, anotherValueNotAddedToCache);
assertNotSame(anotherValueAddedToCache, anotherValueNotAddedToCache);
String cachedValue = cache.putIfAbsentAndGet("anotherKey", anotherValueAddedToCache);
assertSame(cachedValue, anotherValueAddedToCache);
cachedValue = cache.putIfAbsentAndGet("anotherKey", anotherValueNotAddedToCache);
assertNotSame(cachedValue, anotherValueNotAddedToCache);
assertSame(cachedValue, anotherValueAddedToCache);
cache.removeListener(gotListener);
assertEquals("listener", wantedListener, gotListener);
}
示例4: getTemplate
import org.ofbiz.base.util.cache.UtilCache; //导入方法依赖的package包/类
public static Template getTemplate(String templateLocation, UtilCache<String, Template> cache, Configuration config) throws TemplateException, IOException {
Template template = cache.get(templateLocation);
if (template == null) {
// only make the reader if we need it, and then close it right after!
Reader templateReader = makeReader(templateLocation);
template = new Template(templateLocation, templateReader, config);
templateReader.close();
template = cache.putIfAbsentAndGet(templateLocation, template);
}
return template;
}