Use request parameters as keys to cache return results.
org.apache.dubbo.cache.CacheFactory
<dubbo:service cache="lru" />
<!-- Method-level caching -->
<dubbo:service><dubbo:method cache="lru" /></dubbo:service>
<!-- Default value setting, used when <dubbo:service> does not configure the cache property -->
<dubbo:provider cache="xxx,yyy" />
org.apache.dubbo.cache.support.lru.LruCacheFactory
org.apache.dubbo.cache.support.threadlocal.ThreadLocalCacheFactory
org.apache.dubbo.cache.support.jcache.JCacheFactory
Maven project structure:
src
|-main
|-java
|-com
|-xxx
|-XxxCacheFactory.java (implements CacheFactory interface)
|-resources
|-META-INF
|-dubbo
|-org.apache.dubbo.cache.CacheFactory (plain text file, content: xxx=com.xxx.XxxCacheFactory)
XxxCacheFactory.java:
package com.xxx;
import org.apache.dubbo.cache.CacheFactory;
public class XxxCacheFactory implements CacheFactory {
public Cache getCache(URL url, String name) {
return new XxxCache(url, name);
}
}
XxxCache.java:
package com.xxx;
import org.apache.dubbo.cache.Cache;
public class XxxCache implements Cache {
public Cache(URL url, String name) {
// ...
}
public void put(Object key, Object value) {
// ...
}
public Object get(Object key) {
// ...
}
}
META-INF/dubbo/org.apache.dubbo.cache.CacheFactory:
xxx=com.xxx.XxxCacheFactory