me.danwi.sqlex.spring.SqlExFactoryBean Maven / Gradle / Ivy

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package me.danwi.sqlex.spring;

import me.danwi.sqlex.core.DaoFactory;
import org.springframework.beans.factory.FactoryBean;

public class SqlExFactoryBean implements FactoryBean {
    final private Class daoInterface;

    private DaoFactory factory;

    public SqlExFactoryBean(Class clazz) {
        this.daoInterface = clazz;
    }

    public void setFactory(DaoFactory factory) {
        this.factory = factory;
    }

    @Override
    public T getObject() throws Exception {
        if (this.factory == null)
            throw new Exception("请确保容器中注册有DaoFactory");
        //noinspection unchecked
        return this.factory.getInstance(this.daoInterface);
    }

    @Override
    public Class getObjectType() {
        return daoInterface;
    }

    @Override
    public boolean isSingleton() {
        return true;
    }
}