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A mybatis orm enhance framework.

There is a newer version: 1.18.0

/*
 * 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.filler;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

import com.yuehuanghun.mybatis.milu.exception.SqlExpressionBuildingException;

public class SupplierHelper {
	private static final Map, AttributeValueSupplier> cache = new ConcurrentHashMap<>();
	private SupplierHelper() {
		
	}
	
	public final static AttributeValueSupplier getSupplier(Class> supplierClass){
		return cache.computeIfAbsent(supplierClass, (key) -> {
			try {
				return supplierClass.newInstance();
			} catch (InstantiationException | IllegalAccessException e) {
				throw new SqlExpressionBuildingException("实例化AttributeValueSupplier失败", e);
			}
		});
	}
}