package com.dy.common.mybatis.envm;
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import cn.hutool.core.lang.Assert;
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import org.apache.ibatis.type.BaseTypeHandler;
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import org.apache.ibatis.type.JdbcType;
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import java.sql.CallableStatement;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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public class EnumCodeTypeHandler<E extends Enum<E> & IEnum> extends BaseTypeHandler<E>{
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private final Class<E> type;
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public EnumCodeTypeHandler(Class<E> type) {
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Assert.notNull(type , "type argument can not be null");
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this.type = type;
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}
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@Override
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public void setNonNullParameter(PreparedStatement preparedStatement, int i, E e, JdbcType jdbcType) throws SQLException {
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preparedStatement.setByte(i , e.getCode());
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}
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@Override
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public E getNullableResult(ResultSet resultSet, String s) throws SQLException {
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Byte code = resultSet.getByte(s) ;
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return resultSet.wasNull() ? null : EnumUtils.codeOf(this.type , code);
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}
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@Override
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public E getNullableResult(ResultSet resultSet, int i) throws SQLException {
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Byte code = resultSet.getByte(i) ;
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return resultSet.wasNull() ? null : EnumUtils.codeOf(this.type , code);
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}
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@Override
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public E getNullableResult(CallableStatement callableStatement, int i) throws SQLException {
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Byte code = callableStatement.getByte(i);
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return callableStatement.wasNull() ? null : EnumUtils.codeOf(this.type , code);
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}
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}
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