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package com.ltkj.tduck.handler;
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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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/**
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* 处理布尔转换 mysql能自动转换
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* 有的数据库不支持自动转换 pgsql不行 干脆统一处理了
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*
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* @author tduck
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*/
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public class BooleanTypeHandler extends BaseTypeHandler<Boolean> {
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public BooleanTypeHandler() {
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}
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@Override
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public void setNonNullParameter(PreparedStatement ps, int i, Boolean parameter, JdbcType jdbcType) throws SQLException {
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ps.setInt(i, parameter ? 1 : 0);
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}
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@Override
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public Boolean getNullableResult(ResultSet rs, String columnName) throws SQLException {
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boolean result = rs.getInt(columnName) != 0;
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return !result && rs.wasNull() ? null : result;
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}
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@Override
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public Boolean getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
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boolean result = rs.getInt(columnIndex) != 0;
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return !result && rs.wasNull() ? null : result;
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}
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@Override
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public Boolean getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
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boolean result = cs.getInt(columnIndex) != 0;
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return !result && cs.wasNull() ? null : result;
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}
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}
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