import org.apache.ibatis.mapping.CacheBuilder; //导入依赖的package包/类
public Cache useNewCache(Class<? extends Cache> typeClass,
    Class<? extends Cache> evictionClass,
    Long flushInterval,
    Integer size,
    boolean readWrite,
    boolean blocking,
    Properties props) {
  Cache cache = new CacheBuilder(currentNamespace)
      .implementation(valueOrDefault(typeClass, PerpetualCache.class))
      .addDecorator(valueOrDefault(evictionClass, LruCache.class))
      .clearInterval(flushInterval)
      .size(size)
      .readWrite(readWrite)
      .blocking(blocking)
      .properties(props)
      .build();
  configuration.addCache(cache);
  currentCache = cache;
  return cache;
}
 

import org.apache.ibatis.mapping.CacheBuilder; //导入依赖的package包/类
public Cache useNewCache(Class<? extends Cache> typeClass,
    Class<? extends Cache> evictionClass,
    Long flushInterval,
    Integer size,
    boolean readWrite,
    boolean blocking,
    Properties props) {
    //这里面又判断了一下是否为null就用默认值，有点和XMLMapperBuilder.cacheElement逻辑重复了
  typeClass = valueOrDefault(typeClass, PerpetualCache.class);
  evictionClass = valueOrDefault(evictionClass, LruCache.class);
  //调用CacheBuilder构建cache,id=currentNamespace
  Cache cache = new CacheBuilder(currentNamespace)
      .implementation(typeClass)
      .addDecorator(evictionClass)
      .clearInterval(flushInterval)
      .size(size)
      .readWrite(readWrite)
      .blocking(blocking)
      .properties(props)
      .build();
  //加入缓存
  configuration.addCache(cache);
  //当前的缓存
  currentCache = cache;
  return cache;
}
 

import org.apache.ibatis.mapping.CacheBuilder; //导入依赖的package包/类
public Cache useNewCache(Class<? extends Cache> typeClass,
    Class<? extends Cache> evictionClass,
    Long flushInterval,
    Integer size,
    boolean readWrite,
    boolean blocking,
    Properties props) {
  typeClass = valueOrDefault(typeClass, PerpetualCache.class);
  evictionClass = valueOrDefault(evictionClass, LruCache.class);
  Cache cache = new CacheBuilder(currentNamespace)
      .implementation(typeClass)
      .addDecorator(evictionClass)
      .clearInterval(flushInterval)
      .size(size)
      .readWrite(readWrite)
      .blocking(blocking)
      .properties(props)
      .build();
  configuration.addCache(cache);
  currentCache = cache;
  return cache;
}