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我试图将Entity对象映射到DTO以转移到前端应用程序。 查询返回包含institutionName和internalName的列表,我想将它们映射到DTO中的ModelsInstitution和modelsInternalName列表。 我被我的mappers类困住了。构造:将List中的对象映射到对象
下面是我的实体:
@Entity
@DynamoDBTable(tableName = "Inventory")
public class Inventory
{
@Id
private String id;
private String institutionName;
private String internalName;
private String lanAdapter;
public Inventory() {
}
public Inventory(String Id,String InstitutionName, String LanAdapter, String InternalName)
{
this.id = Id
this.lanAdapter = LanAdapter;
this.institutionName = InstitutionName;
this.internalName = InternalName;
}
@DynamoDBHashKey(attributeName = "Id")
public String getId()
{
return id;
}
public void setId(String id)
{
this.id=id;
}
@DynamoDBAttribute(attributeName = "InstitutionName")
public String getInstitutionName()
{
return institutionName;
}
public void setInstitutionName(String InstitutionName)
{
this.institutionName = InstitutionName;
}
@DynamoDBAttribute(attributeName = "LanAdapter")
public String getLanAdapter()
{
return lanAdapter;
}
public void setLanAdapter(String LanAdapter)
{
this.lanAdapter = LanAdapter;
}
@DynamoDBAttribute(attributeName = "InternalName")
public String getInternalName()
{
return internalName;
}
public void setInternalName(String InternalName)
{
this.internalName = InternalName;
}
}
下面是我的DTO对象:
public class FilterDto
{
private List<String> modelsInstitution;
private List<String> modelsInternalName;
public FilterDto(List<String> modelsInstitution, List<String> versions) {
super();
this.modelsInstitution = modelsInstitution;
this.modelsInternalName = modelsInternalName;
}
public List<String> getModelInstitution() {
return modelsInstitution;
}
public void setModelInstitution(List<String> modelsInstitution) {
this.modelsInstitution = modelsInstitution;
}
public List<String> getModelInternalName() {
return modelsInternalName;
}
public void setModelInternalName(List<String> modelsInternalName) {
this.modelsInternalName = modelsInternalName;
}
}
映射类:
我的映射是不正确的,我错过了如何在地图实体列入DTO。
@IterableMapping(elementTargetType = Inventory.class)
@Mappings({
@Mapping(target="modelsInstitution", expression="java(inventory.getInstitution())"),
@Mapping(target="modelsInternalName", expression="java(inventory.getInternalName())")
})
FilterDto InventoryToFilterDTO1(List<Inventory> inventory);
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