使用 Linq to C# 获取特定属性值
本文关键字:属性 获取 Linq to 使用 | 更新日期: 2023-09-27 18:37:13
我创建了一个具有如下属性的类
public class Dependencies
{
public string issueID { get; set; }
public string status { get; set; }
public int dependencyCheck { get; set; }
}
现在,我创建了一个可以使用这些属性的方法。
private static void prepareIssuesList(string IssueKey, string JIRAtoken)
{
Dependencies dpObj = new Dependencies();
List<Dependencies> listObj = new List<Dependencies>();
dpObj.issueID = IssueKey;
dpObj.status = "open";
dpObj.dependencyCheck = 0;
listObj.Add(dpObj);
}
现在我的问题是,如何更改dependencyCheck
属性值。prepareIssuesList()
可以多次调用。所以我正在向依赖项类添加多个对象。在某些时间点,我想更改 dependencyCheck 属性值。如何做到这一点。我认为需要使用Linq to C#。有人对此有任何解决方案吗?
我会做一些事情:
public class Dependency
{
public string IssueId { get; set; }
public string Status { get; set; }
public int DependencyCheck { get; set; }
}
public class DependencyManager
{
public DependencyManager()
{
this.Dependencies = new List<Dependency>();
}
public List<Dependency> Dependencies { get; private set; }
public void AddDependency(string issueId)
{
var dep = new Dependency();
dep.IssueId = issueId;
dep.Status = "open";
dep.DependencyCheck = 0;
this.Dependencies.Add(dep);
}
public void SetDependencyCheck(string issueId, int value)
{
var dep = this.FindDependencyByIssueId(issueId);
dep.DependencyCheck = value;
}
public Dependency FindDependencyByIssueId(string issueId)
{
var dep = this.Dependencies.FirstOrDefault(d => d.IssueId.Equals(issueId));
if(dep == null) throw new ArgumentException("Dependency not found", "issueId");
return dep;
}
}
然后在代码中的某个地方你可以做:
var mgr = new DependencyManager();
mgr.AddDependency("ABC123");
mgr.AddDependency("ABC456");
//... some other stuff that makes sense
mgr.SetDependecyCheck("ABC123", 42);