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InstanceDataManager.cs：源码内容
							﻿using System;
using System.Web;
using System.Collections;
using System.Web.Services;
using System.Web.Services.Protocols;
/// <summary>
/// Summary description for InstanceDataManager
/// </summary>
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
public class InstanceDataManager : System.Web.Services.WebService
{
    public InstanceDataManager()
    {
        //Uncomment the following line if using designed components 
        //InitializeComponent(); 
    }
    [WebMethod]
    public bool Exist(
        string InstanceId,
        string ItemName)
    {
        return OThinker.H3.Server.Engine.InstanceDataManager.Exist(
            InstanceId,
            ItemName);
    }
    // 获得数据项的值
    [WebMethod]
    public byte[] GetItemValue(
        string InstanceId,
        long TokenID, 
        string ItemName)
    {
        object itemValue = OThinker.H3.Server.Engine.InstanceDataManager.GetItemValue(InstanceId, TokenID, ItemName);
        return OThinker.Data.Convertor.ObjectToByteArray(itemValue, false);
    }
    [WebMethod]
    public byte[] GetItemValue2(
            string WorkflowPackage,
            string WorkflowName,
            int WorkflowVersion,
            string InstanceId,
            long TokenID, 
            string ItemName,
            string Filler, 
            ref object RelatedValue)
    {
        object itemValue = OThinker.H3.Server.Engine.InstanceDataManager.GetItemValue(
            WorkflowPackage, 
            WorkflowName, 
            WorkflowVersion, 
            InstanceId, 
            TokenID, 
            ItemName,
            Filler, 
            ref RelatedValue);
        return OThinker.Data.Convertor.ObjectToByteArray(itemValue, false);
    }
    // 设置值
    [WebMethod]
    public long SetItemValue(
        string InstanceId,
        long TokenID, 
        string ItemName,
        string ActivityName,
        string ModifiedBy,
        byte[] SerializedValue)
    {
        object itemValue = OThinker.Data.Convertor.ByteArrayToObject(SerializedValue, false);
        return OThinker.H3.Server.Engine.InstanceDataManager.SetItemValue(
            InstanceId,
            TokenID, 
            ItemName,
            ActivityName,
            ModifiedBy,
            itemValue);
    }
    // 追加一个数据
    [WebMethod]
    public long Append(
        string InstanceId,
        long TokenID, 
        string ItemName,
        string ActivityName,
        string ModifiedBy,
        byte[] SerializedValue)
    {
        object itemValue = OThinker.Data.Convertor.ByteArrayToObject(SerializedValue, false);
        return OThinker.H3.Server.Engine.InstanceDataManager.Append(
            InstanceId,
            TokenID, 
            ItemName,
            ActivityName,
            ModifiedBy,
            itemValue);
    }
    // 创建一个数据集合
    [WebMethod]
    public long CreateItems(string InstanceId)
    {
        return OThinker.H3.Server.Engine.InstanceDataManager.CreateItems(InstanceId);
    }
    // 复制一个数据项
    [WebMethod]
    public long CopyInstanceData(
        string SourceInstanceID,
        long SourceTokenID, 
        string SourceItemName,
        string DestInstanceID,
        long DestTokenID, 
        string DestItemName)
    {
        return OThinker.H3.Server.Engine.InstanceDataManager.CopyInstanceData(
            SourceInstanceID,
            SourceTokenID, 
            SourceItemName,
            DestInstanceID,
            DestTokenID, 
            DestItemName);
    }
    // 移除一个数据集合
    [WebMethod]
    public void RemoveInstance(string InstanceId)
    {
        OThinker.H3.Server.Engine.InstanceDataManager.RemoveInstance(InstanceId);
    }
    /// <summary>
    /// 统计信息
    /// </summary>
    /// <param name="WorkflowPackage"></param>
    /// <param name="WorkflowName"></param>
    /// <param name="WorkflowVersion"></param>
    /// <param name="Instances"></param>
    /// <param name="ItemName"></param>
    /// <returns></returns>
    [WebMethod]
    public OThinker.H3.Data.InstanceDataStatistics Stat(
        string WorkflowPackage,
        string WorkflowName,
        int WorkflowVersion,
        string[] Instances,
        string ItemName)
    {
        return OThinker.H3.Server.Engine.InstanceDataManager.Stat(
            WorkflowPackage,
            WorkflowName,
            WorkflowVersion,
            Instances,
            ItemName);
    }
    /// <summary>
    /// 按照关键字来查找流程，查找数据项值略为ItemValue的流程ID集合，该方法使用的时间会比较长
    /// </summary>
    /// <param name="Workflow">所属的流程模板</param>
    /// <param name="ItemName">数据项名称</param>
    /// <param name="ItemValue">数据项值</param>
    /// <param name="Instances">流程范围，只在该范围内进行搜索</param>
    /// <returns>流程ID</returns>
    [WebMethod]
    public string[] Query(
        OThinker.H3.WorkflowTemplate.WorkflowTemplate Workflow,
        string ItemName,
        OThinker.Data.ComparisonOperatorType Operator, 
        object ItemValue,
        string[] Instances)
    {
        return OThinker.H3.Server.Engine.InstanceDataManager.Query(Workflow, ItemName, Operator, ItemValue, Instances);
    }
    /// <summary>
    /// 修改一个评论
    /// </summary>
    /// <param name="WorkflowPackage">该评论所属的流程的流程模板的包名称</param>
    /// <param name="WorkflowName">该评论所属的流程的流程模板的名称</param>
    /// <param name="WorkflowVersion">该评论所属的流程的流程模板的版本号</param>
    /// <param name="InstanceId">该评论所属的流程的流程</param>
    /// <param name="ItemName">该评论对应的字段</param>
    /// <param name="CommentID">该评论的ID</param>
    /// <param name="Text">新评论的文本</param>
    /// <param name="Approval">新评论是否标记为同意</param>
    /// <returns>如果找不到该评论则返回ErrorCode.ITEM_NOT_EXIST，否则返回ErrorCode.SUCCESS</returns>
    [WebMethod]
    public long ModifyComment(string InstanceId, string ItemName, string CommentID, string Text, OThinker.Data.BoolMatchValue Approval)
    {
        return OThinker.H3.Server.Engine.InstanceDataManager.ModifyComment(InstanceId, ItemName, CommentID, Text, Approval);
    }
    /// <summary>
    /// 添加一个评论
    /// </summary>
    /// <param name="WorkflowPackage">该评论所属的流程的流程模板的包名称</param>
    /// <param name="WorkflowName">该评论所属的流程的流程模板的名称</param>
    /// <param name="WorkflowVersion">该评论所属的流程的流程模板的版本号</param>
    /// <param name="InstanceId">该评论所属的流程的流程</param>
    /// <param name="ItemName">该评论对应的字段</param>
    /// <param name="Comment"></param>
    [WebMethod]
    public long AddComment(string InstanceId, string ItemName, OThinker.H3.Data.Comment Comment)
    {
        return OThinker.H3.Server.Engine.InstanceDataManager.AddComment(InstanceId, ItemName, Comment);
    }
    /// <summary>
    /// 按照条件查找相应的评论
    /// </summary>
    /// <param name="WorkflowPackage"></param>
    /// <param name="WorkflowName"></param>
    /// <param name="WorkflowVersion"></param>
    /// <param name="InstanceId"></param>
    /// <param name="ItemNames"></param>
    /// <param name="UserID"></param>
    /// <param name="Activity"></param>
    /// <returns></returns>
    [WebMethod]
    public OThinker.H3.Data.Comment[] GetComments(string InstanceId, string[] ItemNames, string UserID, string Activity)
    {
        return OThinker.H3.Server.Engine.InstanceDataManager.GetComments(InstanceId, ItemNames, UserID, Activity);
    }
    /// <summary>
    /// 获得附件
    /// </summary>
    /// <param name="AttachmentID"></param>
    /// <returns></returns>
    [WebMethod]
    public OThinker.H3.Data.Attachment GetAttachment(string AttachmentID)
    {
        return OThinker.H3.Server.Engine.InstanceDataManager.GetAttachment(AttachmentID);
    }
    /// <summary>
    /// 添加附件
    /// </summary>
    /// <param name="Attachment"></param>
    /// <returns></returns>
    [WebMethod]
    public string AddAttachment(OThinker.H3.Data.Attachment Attachment)
    {
        return OThinker.H3.Server.Engine.InstanceDataManager.AddAttachment(Attachment);
    }
    /// <summary>
    /// 删除附件
    /// </summary>
    /// <param name="AttachmentID"></param>
    [WebMethod]
    public void RemoveAttachment(string AttachmentID)
    {
        OThinker.H3.Server.Engine.InstanceDataManager.RemoveAttachment(AttachmentID);
    }
    /// <summary>
    /// 删除流程的所有附件
    /// </summary>
    /// <param name="InstanceId"></param>
    [WebMethod]
    public void RemoveInstanceAttachment(string InstanceId)
    {
        OThinker.H3.Server.Engine.InstanceDataManager.RemoveInstanceAttachment(InstanceId);
    }
    /// <summary>
    /// 查询流程附件的基本信息，不包括附件的内容
    /// </summary>
    /// <param name="InstanceId"></param>
    /// <param name="DataField"></param>
    /// <param name="LastVersion"></param>
    /// <param name="FileName"></param>
    /// <returns></returns>
    [WebMethod]
    public OThinker.H3.Data.AttachmentHeader[] QueryAttachment(string InstanceId, string DataField, OThinker.Data.BoolMatchValue LastVersion, string FileName)
    {
        return OThinker.H3.Server.Engine.InstanceDataManager.QueryAttachment(InstanceId, DataField, LastVersion, FileName);
    }
}

						