SupportClasses.java

/**
 *    Copyright 2009-2016 the original author or authors.
 *
 *    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.apache.ibatis.submitted.global_variables_defaults;

import org.apache.ibatis.cache.Cache;
import org.apache.ibatis.cache.impl.PerpetualCache;
import org.apache.ibatis.reflection.factory.DefaultObjectFactory;

import java.lang.reflect.Field;
import java.util.Properties;

public class SupportClasses {

  public static class CustomObjectFactory extends DefaultObjectFactory {
    private static final long serialVersionUID = 4576592418878031661L;
    private Properties properties;

    @Override
    public void setProperties(Properties properties) {
      this.properties = properties;
    }

    public Properties getProperties() {
      return properties;
    }
  }

  public static class CustomCache extends PerpetualCache {
    private String name;

    public CustomCache(String id) {
      super(id);
    }

    public String getName() {
      return name;
    }

    public void setName(String name) {
      this.name = name;
    }
  }

  static class Utils {
    static SupportClasses.CustomCache unwrap(Cache cache) {
      Field field;
      try {
        field = cache.getClass().getDeclaredField("delegate");
      } catch (NoSuchFieldException e) {
        throw new IllegalStateException(e);
      }
      try {
        field.setAccessible(true);
        return (SupportClasses.CustomCache) field.get(cache);
      } catch (IllegalAccessException e) {
        throw new IllegalStateException(e);
      } finally {
        field.setAccessible(false);
      }
    }
  }

}