package com.alibaba.asyncload.impl.spring;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.InitializingBean;
import com.alibaba.asyncload.AsyncLoadConfig;
import com.alibaba.asyncload.AsyncLoadExecutor;
import com.alibaba.asyncload.impl.AsyncLoadEnhanceProxy;
import com.alibaba.asyncload.impl.util.AsyncLoadUtils;
/**
* 基于spring FactoryBean实现的一套AsyncLoad机制，声明式
*
* @author jianghang 2011-1-24 下午07:00:17
*/
public class AsyncLoadFactoryBean implements FactoryBean, InitializingBean {
private Object target;
private Class targetClass;
private AsyncLoadExecutor executor;
private AsyncLoadConfig config;
public Object getObject() throws Exception {
AsyncLoadEnhanceProxy proxy = new AsyncLoadEnhanceProxy(target, config, executor);
proxy.setTargetClass(targetClass);
return proxy.getProxy(); // 返回对应的代理对象
}
public Class getObjectType() {
return targetClass;
}
public boolean isSingleton() {
return true; // 因为使用proxy，所以设置为true
}
public void afterPropertiesSet() throws Exception {
// check
AsyncLoadUtils.notNull(config, "config should not be null!");
AsyncLoadUtils.notNull(executor, "executor should not be null!");
AsyncLoadUtils.notNull(target, "target should not be null!");
}
// ======================= setter / getter ======================
public void setExecutor(AsyncLoadExecutor executor) {
this.executor = executor;
}
public void setConfig(AsyncLoadConfig config) {
this.config = config;
}
public void setTarget(Object target) {
this.target = target;
}
public void setTargetClass(Class targetClass) {
this.targetClass = targetClass;
}
}