private void CloseCommentColumn()
{
if (this.CommentColumn != null)
{
string strTemp1;
string strTemp2;
this.CommentColumn.Detach(out strTemp1,
out strTemp2);
this.CommentColumn = null;
}
}
private void CloseCommentColumn()
{
if (this.CommentColumn != null)
{
string strTemp1;
string strTemp2;
this.CommentColumn.Detach(out strTemp1,
out strTemp2);
this.CommentColumn = null;
}
}
// 装载栏目存储
private int LoadCommentColumn(
string strStorageFileName,
out string strError)
{
strError = "";
this.StorageFileName = strStorageFileName;
try
{
if (this.CommentColumn == null)
{
this.CommentColumn = new ColumnStorage();
}
else
{
// 2006/7/6
string strTemp1;
string strTemp2;
this.CommentColumn.Detach(out strTemp1,
out strTemp2);
this.CommentColumn = null;
this.CommentColumn = new ColumnStorage();
}
try
{
this.CommentColumn.Attach(strStorageFileName,
strStorageFileName + ".index");
}
catch (Exception ex)
{
strError = "Attach 文件 " + strStorageFileName + " 和索引失败 :" + ex.Message;
return(-1);
}
return(0);
}
catch /*(System.ApplicationException ex)*/
{
strError = "栏目暂时被锁定。请稍后再试。";
return(-1);
}
}
// 装载栏目存储
private int LoadCommentColumn(
string strStorageFileName,
out string strError)
{
strError = "";
this.StorageFileName = strStorageFileName;
try
{
if (this.CommentColumn == null)
this.CommentColumn = new ColumnStorage();
else
{
// 2006/7/6
string strTemp1;
string strTemp2;
this.CommentColumn.Detach(out strTemp1,
out strTemp2);
this.CommentColumn = null;
this.CommentColumn = new ColumnStorage();
}
try
{
this.CommentColumn.Attach(strStorageFileName,
strStorageFileName + ".index");
}
catch (Exception ex)
{
strError = "Attach 文件 " + strStorageFileName + " 和索引失败 :" + ex.Message;
return -1;
}
return 0;
}
catch /*(System.ApplicationException ex)*/
{
strError = "栏目暂时被锁定。请稍后再试。";
return -1;
}
}
// [外部调用]
// 创建内存和物理存储对象
public int CreateCommentColumn(
SessionInfo sessioninfo,
System.Web.UI.Page page,
out string strError)
{
this.m_lockCommentColumn.AcquireWriterLock(m_nCommentColumnLockTimeout);
try
{
strError = "";
int nRet = 0;
// TODO: 如何获得应用服务器帐户的权限字符串?
if (String.IsNullOrEmpty(sessioninfo.UserID) == true ||
StringUtil.IsInList("managecache", sessioninfo.RightsOrigin) == false)
{
strError = "当前帐户不具备 managecache 权限，不能创建栏目缓存";
return(-1);
}
this.CloseCommentColumn();
if (page != null &&
page.Response.IsClientConnected == false) // 灵敏中断
{
strError = "中断";
return(-1);
}
if (this.CommentColumn == null)
{
this.CommentColumn = new ColumnStorage();
}
this.CommentColumn.ReadOnly = false;
this.CommentColumn.m_strBigFileName = this.StorageFileName;
this.CommentColumn.m_strSmallFileName = this.StorageFileName + ".index";
this.CommentColumn.Open(true);
this.CommentColumn.Clear();
// 检索
nRet = SearchTopLevelArticles(
sessioninfo,
page,
out strError);
if (nRet == -1)
{
return(-1);
}
// 排序
if (page != null)
{
page.Response.Write("--- begin sort ...<br/>");
page.Response.Flush();
}
DateTime time = DateTime.Now;
this.CommentColumn.Sort();
if (page != null)
{
TimeSpan delta = DateTime.Now - time;
page.Response.Write("sort end. time=" + delta.ToString() + "<br/>");
page.Response.Flush();
}
// 保存物理文件
string strTemp1;
string strTemp2;
this.CommentColumn.Detach(out strTemp1,
out strTemp2);
this.CommentColumn.ReadOnly = true;
this.CloseCommentColumn();
// 重新装载
nRet = LoadCommentColumn(
this.StorageFileName,
out strError);
if (nRet == -1)
{
return(-1);
}
return(0);
}
finally
{
this.m_lockCommentColumn.ReleaseWriterLock();
}
}
// [外部调用]
// 创建内存和物理存储对象
public int CreateCommentColumn(
SessionInfo sessioninfo,
System.Web.UI.Page page,
out string strError)
{
this.m_lockCommentColumn.AcquireWriterLock(m_nCommentColumnLockTimeout);
try
{
strError = "";
int nRet = 0;
// TODO: 如何获得应用服务器帐户的权限字符串?
if (String.IsNullOrEmpty(sessioninfo.UserID) == true
|| StringUtil.IsInList("managecache", sessioninfo.RightsOrigin) == false)
{
strError = "当前帐户不具备 managecache 权限，不能创建栏目缓存";
return -1;
}
this.CloseCommentColumn();
if (page != null
&& page.Response.IsClientConnected == false) // 灵敏中断
{
strError = "中断";
return -1;
}
if (this.CommentColumn == null)
this.CommentColumn = new ColumnStorage();
this.CommentColumn.ReadOnly = false;
this.CommentColumn.m_strBigFileName = this.StorageFileName;
this.CommentColumn.m_strSmallFileName = this.StorageFileName + ".index";
this.CommentColumn.Open(true);
this.CommentColumn.Clear();
// 检索
nRet = SearchTopLevelArticles(
sessioninfo,
page,
out strError);
if (nRet == -1)
return -1;
// 排序
if (page != null)
{
page.Response.Write("--- begin sort ...<br/>");
page.Response.Flush();
}
DateTime time = DateTime.Now;
this.CommentColumn.Sort();
if (page != null)
{
TimeSpan delta = DateTime.Now - time;
page.Response.Write("sort end. time=" + delta.ToString() + "<br/>");
page.Response.Flush();
}
// 保存物理文件
string strTemp1;
string strTemp2;
this.CommentColumn.Detach(out strTemp1,
out strTemp2);
this.CommentColumn.ReadOnly = true;
this.CloseCommentColumn();
// 重新装载
nRet = LoadCommentColumn(
this.StorageFileName,
out strError);
if (nRet == -1)
return -1;
return 0;
}
finally
{
this.m_lockCommentColumn.ReleaseWriterLock();
}
}