pipIrr-SV.git - Gitblit

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			package com.dy.common.mybatis.envm;

			import cn.hutool.core.lang.Assert;
			import org.apache.ibatis.type.BaseTypeHandler;
			import org.apache.ibatis.type.JdbcType;

			import java.sql.CallableStatement;
			import java.sql.PreparedStatement;
			import java.sql.ResultSet;
			import java.sql.SQLException;

			public class EnumCodeTypeHandler<E extends Enum<E> & IEnum> extends BaseTypeHandler<E>{

			private final Class<E> type;

			public EnumCodeTypeHandler(Class<E> type) {
			Assert.notNull(type , "type argument can not be null");
			this.type = type;
			}

			@Override
			public void setNonNullParameter(PreparedStatement preparedStatement, int i, E e, JdbcType jdbcType) throws SQLException {
			preparedStatement.setByte(i , e.getCode());
			}

			@Override
			public E getNullableResult(ResultSet resultSet, String s) throws SQLException {
			Byte code = resultSet.getByte(s) ;
			return resultSet.wasNull() ? null : EnumUtils.codeOf(this.type , code);
			}

			@Override
			public E getNullableResult(ResultSet resultSet, int i) throws SQLException {
			Byte code = resultSet.getByte(i) ;
			return resultSet.wasNull() ? null : EnumUtils.codeOf(this.type , code);
			}

			@Override
			public E getNullableResult(CallableStatement callableStatement, int i) throws SQLException {
			Byte code = callableStatement.getByte(i);
			return callableStatement.wasNull() ? null : EnumUtils.codeOf(this.type , code);
			}

			}