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A mybatis orm enhance framework.
/*
* Copyright 2020-2022 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
*
* https://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 com.yuehuanghun.mybatis.milu.generic;
import java.util.Map;
import org.apache.ibatis.javassist.scopedpool.SoftValueHashMap;
import com.yuehuanghun.mybatis.milu.data.SqlBuildingHelper;
import com.yuehuanghun.mybatis.milu.metamodel.Entity;
public abstract class GenericCachingProviderSql implements GenericProviderSql {
protected final Map cache = new SoftValueHashMap<>();
@Override
public String provideSql(GenericProviderContext context, Object params) {
SqlBuildingHelper.convertLocalPageOrder(context.getEntity(), context.getConfiguration()); //转换排序中的属性为列名
return cache.computeIfAbsent(getCacheKey(context, params), (key) -> {return provideCachingSql(context, params);});
}
protected String getCacheKey(GenericProviderContext context, Object params) {
return context.getMapperType().getName();
}
public abstract String provideCachingSql(GenericProviderContext context, Object params);
protected String wrapIdentifier(String identifier, GenericProviderContext context) {
return SqlBuildingHelper.wrapIdentifier(identifier, context.getConfiguration());
}
protected String wrapTableName(Entity entity, GenericProviderContext context) {
return SqlBuildingHelper.wrapTableName(entity, context.getConfiguration());
}
}
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