/*
* Copyright 2009-2012 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 i 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 net.paoding.rose.jade.context.spring;
import java.lang.reflect.Proxy;
import net.paoding.rose.jade.context.JadeInvocationHandler;
import net.paoding.rose.jade.dataaccess.DataAccessFactory;
import net.paoding.rose.jade.rowmapper.RowMapperFactory;
import net.paoding.rose.jade.statement.DAOMetaData;
import net.paoding.rose.jade.statement.InterpreterFactory;
import net.paoding.rose.jade.statement.cached.CacheProvider;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.util.Assert;
import org.springframework.util.ClassUtils;
/**
*
*
* @author 王志亮 [qieqie.wang@gmail.com]
* @author 廖涵 [in355hz@gmail.com]
*
*/
public class JadeFactoryBean implements FactoryBean, InitializingBean {
protected Class<?> objectType;
protected DataAccessFactory dataAccessFactory;
protected RowMapperFactory rowMapperFactory;
protected InterpreterFactory interpreterFactory;
protected CacheProvider cacheProvider;
protected Object daoObject;
public JadeFactoryBean() {
}
@Override
public Class<?> getObjectType() {
return objectType;
}
public void setObjectType(Class<?> objectType) {
this.objectType = objectType;
}
/**
*
* @param dataAccessFactory
*/
public void setDataAccessFactory(DataAccessFactory dataAccessFactory) {
this.dataAccessFactory = dataAccessFactory;
}
public DataAccessFactory getDataAccessFactory() {
return dataAccessFactory;
}
/**
*
* @param rowMapperFactory
*/
public void setRowMapperFactory(RowMapperFactory rowMapperFactory) {
this.rowMapperFactory = rowMapperFactory;
}
public RowMapperFactory getRowMapperFactory() {
return rowMapperFactory;
}
/**
*
* @param interpreterFactory
*/
public void setInterpreterFactory(InterpreterFactory interpreterFactory) {
this.interpreterFactory = interpreterFactory;
}
public InterpreterFactory getInterpreterFactory() {
return interpreterFactory;
}
public void setCacheProvider(CacheProvider cacheProvider) {
this.cacheProvider = cacheProvider;
}
public CacheProvider getCacheProvider() {
return cacheProvider;
}
@Override
public boolean isSingleton() {
return true;
}
@Override
public void afterPropertiesSet() throws Exception {
Assert.isTrue(objectType.isInterface(), "not a interface class: " + objectType.getName());
Assert.notNull(dataAccessFactory);
Assert.notNull(rowMapperFactory);
Assert.notNull(interpreterFactory);
// cacheProvider可以null，不做assert.notNull判断
}
@Override
public Object getObject() {
if (daoObject == null) {
daoObject = createDAO();
Assert.notNull(daoObject);
}
return daoObject;
}
protected Object createDAO() {
try {
DAOMetaData daoMetaData = new DAOMetaData(objectType);
JadeInvocationHandler handler = new JadeInvocationHandler(
//
daoMetaData, interpreterFactory, rowMapperFactory, dataAccessFactory,
cacheProvider);
return Proxy.newProxyInstance(ClassUtils.getDefaultClassLoader(),
new Class[] { objectType }, handler);
} catch (RuntimeException e) {
throw new IllegalStateException("failed to create bean for "
+ this.objectType.getName(), e);
}
}
}