【发布时间】:2016-06-21 21:03:12
【问题描述】:
我想在我的所有映射字段上排除所有“createdDate”字段被反序列化:
与此类似:
<field-exclude type="one-way"">
<a>createdDate</a>
<b>createdDate</b>
</field-exclude>
因此,该字段在查询时可见但不可更新。
有没有办法在全局范围内执行此操作而不必在每个映射上都指定它?
【问题讨论】:
我想在我的所有映射字段上排除所有“createdDate”字段被反序列化:
与此类似:
<field-exclude type="one-way"">
<a>createdDate</a>
<b>createdDate</b>
</field-exclude>
因此,该字段在查询时可见但不可更新。
有没有办法在全局范围内执行此操作而不必在每个映射上都指定它?
【问题讨论】:
将所有常用字段移至源类和目标类的超类。并为超类创建映射。完整的例子可以在Dozer fields - Global Exclude Example找到。
第 1 步:来源 POJO:
//PersonType.java
public class AddressType extends BaseType{
private String addrLine1;
private String city;
private String state;
private int zipCode;
// Setter and Getter methods are removed
}
// BaseType.java
public class BaseType {
private String createdDate;
// Setter and Getter methods are removed
}
第 2 步:目标 POJO:
// Address.java
public class Address extends BaseDomain{
private String addrLine1;
private String city;
private String state;
private int zip5;
// Setter and Getter methods are removed
}
//BaseDomain.java
public class BaseDomain {
private String createdDate;
// Setter and Getter methods are removed
}
第 3 步:创建映射
<?xml version="1.0" encoding="UTF-8"?>
<mappings xmlns="http://dozer.sourceforge.net"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://dozer.sourceforge.net
http://dozer.sourceforge.net/schema/beanmapping.xsd">
<mapping>
<class-a>com.codesimplify.dozersamples.fieldexclude.AddressType</class-a>
<class-b>com.codesimplify.dozersamples.fieldexclude.Address</class-b>
</mapping>
<mapping>
<class-a>com.codesimplify.dozersamples.fieldexclude.BaseType</class-a>
<class-b>com.codesimplify.dozersamples.fieldexclude.BaseDomain</class-b>
<field-exclude type="one-way">
<a>createdDate</a>
<b>createdDate</b>
</field-exclude>
</mapping>
</mappings>
【讨论】: