com.gzj.tulip.jade.statement.DynamicReturnGeneratedKeys.java Source code

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Here is the source code for com.gzj.tulip.jade.statement.DynamicReturnGeneratedKeys.java

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/*
 * Copyright 2009-2015 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 com.gzj.tulip.jade.statement;

import org.springframework.dao.InvalidDataAccessApiUsageException;

import com.gzj.tulip.jade.annotation.ReturnGeneratedKeys;

/**
 * 
 * @see ReturnGeneratedKeys
 */
public abstract class DynamicReturnGeneratedKeys {

    /**
     * ??? return generated keys
     * @param runtime
     */
    public abstract boolean shouldReturnGerneratedKeys(StatementRuntime runtime);

    /**
     * DAO??
     * 
     * @param returnType DAO????)
     * 
     * @throws InvalidDataAccessApiUsageException DAO??
     */
    public void checkMethodReturnType(Class<?> returnType, StatementMetaData metaData) {
        if (returnType != void.class && !Number.class.isAssignableFrom(returnType)) {
            throw new InvalidDataAccessApiUsageException(
                    "error return type, only support int/long/double/float/void type for method with @ReturnGeneratedKeys:"
                            + metaData.getMethod());
        }
    }
}