步步为营 SharePoint 开发学习笔记系列 七、SharePoint Timer Job 开发

概要

   项目需求要求我们每天晚上同步员工的一些信息到sharepoint 的user List ，我们决定定制开发sharepoint timer Job,Sharepoint timer Job是sharePoint的定时作业Job,需要安装、布曙到服务器上,而这里我只是介绍下Job开发的例子，以供大家学习用。

开发设计

我们需要新建两个类，TaskLoggerJob和TaskLoggerFeature,TaskLoggerJob实现这个Job具体做哪些工和，TaskLoggerFeature实现安装和卸载这个Job以及定义Job执行时间和方式。

在开发Job时需要引用如下Dll

using Microsoft.SharePoint;
using Microsoft.SharePoint.Utilities;
using Microsoft.SharePoint.Administration;

TaskLoggerJob设计代码如下:

    public class TaskLoggerJob : SPJobDefinition{#region [Fields]#endregion#region [Constructors]/// <summary>/// Initializes a new instance of the TaskLoggerJob class./// </summary>public TaskLoggerJob(): base(){}/// <summary>/// Initializes a new instance of the TaskLoggerJob class./// </summary>/// <param name="jobName">Name of the job.</param>/// <param name="service">The service.</param>/// <param name="server">The server.</param>/// <param name="targetType">Type of the target.</param>public TaskLoggerJob(string jobName, SPService service, SPServer server, SPJobLockType targetType): base(jobName, service, server, targetType){}/// <summary>/// Initializes a new instance of the TaskLoggerJob class./// </summary>/// <param name="jobName">Name of the job.</param>/// <param name="webApplication">The web application.</param>public TaskLoggerJob(string jobName, SPWebApplication webApplication): base(jobName, webApplication, null, SPJobLockType.Job){this.Title = "Task Logger";}#endregion#region [Public Methods]/// <summary>/// Executes the specified content db id./// </summary>/// <param name="contentDbId">The content db id.</param>public override void Execute(Guid contentDbId){try{// get a reference to the current site collection's content databaseSPWebApplication webApplication = this.Parent as SPWebApplication;SPContentDatabase contentDb = webApplication.ContentDatabases[contentDbId];// get a reference to the "Tasks" list in the RootWeb of the first site collection in the content databaseSPList taskList = contentDb.Sites[0].RootWeb.Lists["Tasks"];// create a new task, set the Title to the current day/time, and update the itemSPListItem newTask = taskList.Items.Add();newTask["Title"] = DateTime.Now.ToString();newTask.Update();}catch (Exception ex){LogHepler.LogToShrepointList(ex);}}#endregion#region [Private Methods]#endregion}

在TaskLoggerFeature时我们调用这个构造方法：

        /// <summary>/// Initializes a new instance of the TaskLoggerJob class./// </summary>/// <param name="jobName">Name of the job.</param>/// <param name="webApplication">The web application.</param>public TaskLoggerJob(string jobName, SPWebApplication webApplication): base(jobName, webApplication, null, SPJobLockType.Job){this.Title = "Task Logger";}

来初始化SPJobDefinition方法，Job具体要做的事性我们实现这个方法:

        /// <summary>/// Executes the specified content db id./// </summary>/// <param name="contentDbId">The content db id.</param>public override void Execute(Guid contentDbId){try{// get a reference to the current site collection's content databaseSPWebApplication webApplication = this.Parent as SPWebApplication;SPContentDatabase contentDb = webApplication.ContentDatabases[contentDbId];// get a reference to the "Tasks" list in the RootWeb of the first site collection in the content databaseSPList taskList = contentDb.Sites[0].RootWeb.Lists["Tasks"];// create a new task, set the Title to the current day/time, and update the itemSPListItem newTask = taskList.Items.Add();newTask["Title"] = DateTime.Now.ToString();newTask.Update();}catch (Exception ex){LogHepler.LogToShrepointList(ex);}}

在这个方法里我们可以同事实现很多任务，而我们这里只是改变了它的title。

下面我们来讲解TaskLoggerFeature的代码设计,首先引用:

using Microsoft.SharePoint;
using Microsoft.SharePoint.Administration;

而后代码如下：

    public class TaskLoggerFeature : SPFeatureReceiver{#region [Override Methods]/// <summary>/// Active the feature/// </summary>/// <param name="properties"></param>public override void FeatureActivated(SPFeatureReceiverProperties properties){SPSite site = properties.Feature.Parent as SPSite;SPSite currentSite = null;try{SPSecurity.RunWithElevatedPrivileges(delegate{currentSite = new SPSite(site.Url);});this.InstallTaskLoggerJob(currentSite);}catch (Exception ex){LogHepler.InitConfigListSiteUrl(site.Url);LogHepler.LogToShrepointList(ex);}finally{if (currentSite != null){currentSite.Dispose();}}}/// <summary>/// Deactive the feature/// </summary>/// <param name="properties"></param>public override void FeatureDeactivating(SPFeatureReceiverProperties properties){SPSite site = properties.Feature.Parent as SPSite;SPSite currentSite = null;try{SPSecurity.RunWithElevatedPrivileges(delegate{currentSite = new SPSite(site.Url);});SPWebApplication webApp = currentSite.WebApplication;this.UninstallTaskLoggerJob(webApp);}catch (Exception ex){LogHepler.InitConfigListSiteUrl(site.Url);LogHepler.LogToShrepointList(ex);}finally{if (currentSite != null){currentSite.Dispose();}}}/// <summary>/// Method that is executed when the feature end the installation/// </summary>/// <param name="properties"></param>public override void FeatureInstalled(SPFeatureReceiverProperties properties){}/// <summary>/// Method that is executed when the feature is unistalled/// </summary>/// <param name="properties"></param>public override void FeatureUninstalling(SPFeatureReceiverProperties properties){}#endregion#region [Private Methods]/// <summary>/// method to install the job/// </summary>/// <param name="web"></param>private void InstallTaskLoggerJob(SPSite site){TaskLoggerJob jobDef = new TaskLoggerJob("TaskLoggerJob", site.WebApplication);jobDef.Title = "TaskLoggerJob";jobDef.Properties.Add("SiteUrl", site.Url);this.InstallDayJob(jobDef, site, 23);//this.InstallHourJob(jobDef, site, 2);//this.InstallMinuteJob(jobDef, site, 10, 10);}/// <summary>/// Method to unistall a job/// </summary>/// <param name="web">The SPWeb where need to remove the job</param>private void UninstallTaskLoggerJob(SPWebApplication webApp){try {SPJobDefinitionCollection jobColl = webApp.JobDefinitions;if (jobColl != null){List<Guid> idsToRemove = new List<Guid>();foreach (SPJobDefinition jobDef in jobColl){if (!String.IsNullOrEmpty(jobDef.Title) && jobDef.Title.StartsWith("TaskLoggerJob")){idsToRemove.Add(jobDef.Id);}}if (idsToRemove.Count > 0){foreach (Guid gd in idsToRemove){jobColl.Remove(gd);}}}}catch (Exception ex){LogHepler.LogToShrepointList(ex);}}/// <summary>/// Method to install the job that will execute by hour/// </summary>/// <param name="jobDef">The JobDefinition to apply</param>/// <param name="web">The SPWeb that will execute the job</param>/// <param name="minute">The minute to start the job in that hour</param>private void InstallDayJob(SPJobDefinition jobDef, SPSite site, int hour){try{SPWebApplication webApp = site.WebApplication;SPJobDefinitionCollection jboColl = webApp.JobDefinitions;SPDailySchedule daySched = new SPDailySchedule();daySched.BeginHour = hour;daySched.BeginMinute = 0;daySched.BeginSecond = 0;daySched.EndHour = hour;daySched.EndMinute = 0;daySched.EndSecond = 0;jobDef.Schedule = daySched;SPJobDefinition oldJob = this.GetJobDeffinition(jobDef.Title, jboColl);if (oldJob != null){jboColl.Remove(oldJob.Id);webApp.Update();}jboColl.Add(jobDef);webApp.Update();}catch (Exception ex){LogHepler.LogToShrepointList(ex);}}/// <summary>/// Method to install the job that will execute by hour/// </summary>/// <param name="jobDef">The JobDefinition to apply</param>/// <param name="web">The SPWeb that will execute the job</param>/// <param name="minute">The minute to start the job in that hour</param>private void InstallHourJob(SPJobDefinition jobDef, SPSite site, int minute){try{SPWebApplication webApp = site.WebApplication;SPJobDefinitionCollection jboColl = webApp.JobDefinitions;SPHourlySchedule hourSched = new SPHourlySchedule();hourSched.BeginMinute = minute;jobDef.Schedule = hourSched;SPJobDefinition oldJob = this.GetJobDeffinition(jobDef.Title, jboColl);if (oldJob != null){jboColl.Remove(oldJob.Id);webApp.Update();}jboColl.Add(jobDef);webApp.Update();}catch (Exception ex){LogHepler.LogToShrepointList(ex);}}/// <summary>/// Method to install the job that will execute by minute/// </summary>/// <param name="jobDef">The JobDefinition to apply</param>/// <param name="web">The SPWeb that will execute the job</param>/// <param name="secound">The seconds to start the job in that minute</param>private void InstallMinuteJob(SPJobDefinition jobDef, SPSite site, int second, int interval){try{SPWebApplication webApp = site.WebApplication;SPJobDefinitionCollection jboColl = webApp.JobDefinitions;SPMinuteSchedule minSched = new SPMinuteSchedule();minSched.Interval = interval;minSched.BeginSecond = second;jobDef.Schedule = minSched;SPJobDefinition oldJob = this.GetJobDeffinition(jobDef.Title, jboColl);if (oldJob != null){jboColl.Remove(oldJob.Id);webApp.Update();}jboColl.Add(jobDef);webApp.Update();}catch (Exception ex){LogHepler.LogToShrepointList(ex);}}/// <summary>/// Get the JobDefinition to install or remove/// </summary>/// <param name="Title">Title of the job</param>/// <param name="jobCollection">The JobCollection to find the job</param>/// <returns>JbDefinition that found in this collection</returns>private SPJobDefinition GetJobDeffinition(string Title, SPJobDefinitionCollection jobCollection){SPJobDefinition result = null;if (jobCollection != null){foreach (SPJobDefinition job in jobCollection){if (job.Title.Equals(Title)){result = job;break;}}}return result;}#endregion}

下面这个方法是激活这个Job的feature,在sharepoint里每一个Job都有一个feature来讲行实现，它会生成相应的feature的xml方件:

        /// <summary>/// Active the feature/// </summary>/// <param name="properties"></param>public override void FeatureActivated(SPFeatureReceiverProperties properties){SPSite site = properties.Feature.Parent as SPSite;SPSite currentSite = null;try{SPSecurity.RunWithElevatedPrivileges(delegate{currentSite = new SPSite(site.Url);});this.InstallTaskLoggerJob(currentSite);}catch (Exception ex){LogHepler.InitConfigListSiteUrl(site.Url);LogHepler.LogToShrepointList(ex);}finally{if (currentSite != null){currentSite.Dispose();}}}
 
 
卸载这个Job的方法如下：
        /// <summary>/// Deactive the feature/// </summary>/// <param name="properties"></param>public override void FeatureDeactivating(SPFeatureReceiverProperties properties){SPSite site = properties.Feature.Parent as SPSite;SPSite currentSite = null;try{SPSecurity.RunWithElevatedPrivileges(delegate{currentSite = new SPSite(site.Url);});SPWebApplication webApp = currentSite.WebApplication;this.UninstallTaskLoggerJob(webApp);}catch (Exception ex){LogHepler.InitConfigListSiteUrl(site.Url);LogHepler.LogToShrepointList(ex);}finally{if (currentSite != null){currentSite.Dispose();}}}

 

Job的执行时间可以按分、时、天、月、年来执行可以进行如下定义，分、时、天。概据你的需要来执行。

        /// <summary>/// Method to install the job that will execute by hour/// </summary>/// <param name="jobDef">The JobDefinition to apply</param>/// <param name="web">The SPWeb that will execute the job</param>/// <param name="minute">The minute to start the job in that hour</param>private void InstallDayJob(SPJobDefinition jobDef, SPSite site, int hour){try{SPWebApplication webApp = site.WebApplication;SPJobDefinitionCollection jboColl = webApp.JobDefinitions;SPDailySchedule daySched = new SPDailySchedule();daySched.BeginHour = hour;daySched.BeginMinute = 0;daySched.BeginSecond = 0;daySched.EndHour = hour;daySched.EndMinute = 0;daySched.EndSecond = 0;jobDef.Schedule = daySched;SPJobDefinition oldJob = this.GetJobDeffinition(jobDef.Title, jboColl);if (oldJob != null){jboColl.Remove(oldJob.Id);webApp.Update();}jboColl.Add(jobDef);webApp.Update();}catch (Exception ex){LogHepler.LogToShrepointList(ex);}}/// <summary>/// Method to install the job that will execute by hour/// </summary>/// <param name="jobDef">The JobDefinition to apply</param>/// <param name="web">The SPWeb that will execute the job</param>/// <param name="minute">The minute to start the job in that hour</param>private void InstallHourJob(SPJobDefinition jobDef, SPSite site, int minute){try{SPWebApplication webApp = site.WebApplication;SPJobDefinitionCollection jboColl = webApp.JobDefinitions;SPHourlySchedule hourSched = new SPHourlySchedule();hourSched.BeginMinute = minute;jobDef.Schedule = hourSched;SPJobDefinition oldJob = this.GetJobDeffinition(jobDef.Title, jboColl);if (oldJob != null){jboColl.Remove(oldJob.Id);webApp.Update();}jboColl.Add(jobDef);webApp.Update();}catch (Exception ex){LogHepler.LogToShrepointList(ex);}}/// <summary>/// Method to install the job that will execute by minute/// </summary>/// <param name="jobDef">The JobDefinition to apply</param>/// <param name="web">The SPWeb that will execute the job</param>/// <param name="secound">The seconds to start the job in that minute</param>private void InstallMinuteJob(SPJobDefinition jobDef, SPSite site, int second, int interval){try{SPWebApplication webApp = site.WebApplication;SPJobDefinitionCollection jboColl = webApp.JobDefinitions;SPMinuteSchedule minSched = new SPMinuteSchedule();minSched.Interval = interval;minSched.BeginSecond = second;jobDef.Schedule = minSched;SPJobDefinition oldJob = this.GetJobDeffinition(jobDef.Title, jboColl);if (oldJob != null){jboColl.Remove(oldJob.Id);webApp.Update();}jboColl.Add(jobDef);webApp.Update();}catch (Exception ex){LogHepler.LogToShrepointList(ex);}}

 

在完成了上面的代码设计后，我们接着就需要把Job布曙到服务器中。

要以上代码生成Windows SharePoint Solution Package (*.WSP) 来布曙。

步骤如下：

一、首先进入sharePoint Central administrator v3 管理页面，选择Operation下的Solution Management

image

二、检索TaskLoggerJob.wsp

如果以前安装过这个Job先要卸载，再安装。 
三、执行命令   stsadm -o addsolution -filename "TaskLoggerJob.wsp"  添加Job的solution

四、执行命令 stsadm -o deactivatefeature -name TaskLoggerJob -url http://[site]/
      而后再执行命令  stsadm -o execadmsvcjobs
五、执行命令 stsadm -o activatefeature -name TaskLoggerJob -url http://[site]/
      而后再执行命令  stsadm -o execadmsvcjobs

总结

sharepoint timer job是用来完成系统定里执行的一此任务，是由这个进程完成的OWSTIMER.EXE .

作者：spring yang

出处：http://www.cnblogs.com/springyangwc/

本文版权归作者和博客园共有，欢迎转载，但未经作者同意必须保留此段声明，且在文章页面明显位置给出原文连接，否则保留追究法律责任的权利。

转载于:https://www.cnblogs.com/springyangwc/archive/2011/07/25/2115963.html

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