我有一个具有此属性的模型
public class Audit extends BaseModel implements Comparable {
@Column
@PrimaryKey
@SerializedName("audit_id")
private int id;
@Column
@SerializedName("address_line_1")
private String addressLine1;
@Column
@SerializedName("address_line_2")
private String addressLine2;
@Column
@SerializedName("city_name")
private String city;
@Column
@SerializedName("zip_code")
private String zipcode;
@Column
@SerializedName("company_id")
private int companyId;
@Column
@SerializedName("company_name")
private String companyName;
@Column
@SerializedName("loc_name")
private String location;
@Column
@SerializedName("inspection_date_time")
private OffsetDateTime inspectionTime;
@Column
@SerializedName("inspection_number")
private String inspectionNumber;
@Column(defaultValue = "0")
private int auditStatus;
@Column(defaultValue = "0")
private int userId;
public int getId() {
return id;
}
public String getAddressLine1() {
return addressLine1;
}
public String getAddressLine2() {
return addressLine2;
}
public String getCity() {
return city;
}
public String getZipcode() {
return zipcode;
}
public int getCompanyId() {
return companyId;
}
public String getCompanyName() {
return companyName;
}
public String getLocation() {
return location;
}
public OffsetDateTime getInspectionTime() {
return inspectionTime;
}
public String getInspectionNumber() {
return inspectionNumber;
}
public void setId(int id) {
this.id = id;
}
public void setAddressLine1(String addressLine1) {
this.addressLine1 = addressLine1;
}
public void setAddressLine2(String addressLine2) {
this.addressLine2 = addressLine2;
}
public void setCity(String city) {
this.city = city;
}
public void setZipcode(String zipcode) {
this.zipcode = zipcode;
}
public void setCompanyId(int companyId) {
this.companyId = companyId;
}
public void setCompanyName(String companyName) {
this.companyName = companyName;
}
public void setLocation(String location) {
this.location = location;
}
public void setInspectionTime(OffsetDateTime inspectionTime) {
this.inspectionTime = inspectionTime;
}
public void setInspectionNumber(String inspectionNumber) {
this.inspectionNumber = inspectionNumber;
}
@Override
public int compareTo(@NonNull Object audits) {
int result = -1;
if (audits instanceof Audit) {
Audit audit = (Audit) audits;
if (this.getInspectionTime().isEqual(audit.getInspectionTime())) {
result = 0;
} else if
(this.getInspectionTime().isAfter(audit.getInspectionTime())) {
result = 1;
}
}
return result;
}
public int getAuditStatus() {
return auditStatus;
}
public void setAuditStatus(int auditStatus) {
this.auditStatus = auditStatus;
}
public int getUserId() {
return userId;
}
public void setUserId(int userId) {
this.userId = userId;
}
在这里,我使用此模型获取Arraylist的所有值
List<Audit> auditList
我的列表是“auditList”,它包含Audit对象,在这个auditList中我想要一个属性 例如:我想在所有对象中将userId值更改为“3”,我该怎么做一次,有没有解决方案请帮帮我
答案 0 :(得分:4)
使用Java 8 Stream:
auditList.stream().foreach(elt -> elt.setUserId(3));
它对应于:
for (Audit aud : auditList) {
aud.setUserId(3);
}
答案 1 :(得分:3)
您需要遍历所有元素并更新
for (Audit aud : auditList) {
aud.setUserId(3);
}
如果你想要一行,那么
for (Audit aud : auditList) aud.setUserId(3);