public BaseCommand GetCommand(string cmdName)
{
if (CmdDict.ContainsKey(cmdName))
{
return CmdDict[cmdName];
}
// todo这里改为具体的类型
BaseCommand command = null;
if (cmdName == dp2CommandUtility.C_Command_Search)
{
command = new SearchCommand();
}
else if (cmdName == dp2CommandUtility.C_Command_Binding)
{
command = new BindingCommand();
}
else
{
command = new BaseCommand();
}
command.CommandName = cmdName;
CmdDict[cmdName] = command;
return command;
}
/// <summary>
/// 根据操作时间检索
/// </summary>
/// <param name="strWord"></param>
/// <param name="searchCmd"></param>
/// <param name="strFirstPage"></param>
/// <param name="strError"></param>
/// <returns></returns>
public long SearchBiblioByPublishtime(string strWord,
SearchCommand searchCmd,
out string strFirstPage,
out string strError)
{
strFirstPage = "";
strError = "";
// 判断检索词
strWord = strWord.Trim();
if (String.IsNullOrEmpty(strWord))
{
strError = "检索词不能为空。";
return -1;
}
long lTotoalCount = 0;
// 从池中征用通道
LibraryChannel channel = this.ChannelPool.GetChannel(this.dp2Url, this.dp2UserName);
channel.Password = this.dp2Password;
try
{
// -1失败
// 0 未命令
long lRet = channel.SearchBiblio(strWord,
"publishtime,_time,_freetime",
out strError);
if (lRet == -1 || lRet == 0)
{
return lRet;
}
// 取出命中记录列表
lTotoalCount = lRet;
List<string> totalResultList = new List<string>();
long lStart = 0;
// 当前总共取的多少记录
long lCurTotalCount = 0;
REDO:
List<string> resultPathList = null;
long lCount = -1;
lRet = channel.GetBiblioSearchResult(lStart,
lCount,
out resultPathList,
out strError);
if (lRet == -1)
return -1;
// 加到结果集中
totalResultList.AddRange(resultPathList);
// 检查记录是否获取完成，没取完继续取
lCurTotalCount += lRet;
if (lCurTotalCount < lTotoalCount)
{
lStart = lCurTotalCount;
goto REDO;
}
// 检查一下，取出来的记录数，是否与返回的命中数量一致
if (lTotoalCount != totalResultList.Count)
{
strError = "内部错误，不可能结果集数量不一致";
return -1;
}
// 将检索结果信息保存到检索命令中
searchCmd.BiblioResultPathList = totalResultList;
searchCmd.ResultNextStart = 0;
searchCmd.IsCanNextPage = true;
// 获得第一页检索结果
bool bRet = searchCmd.GetNextPage(out strFirstPage, out strError);
if (bRet == false)
{
return -1;
}
}
finally
{
// 归还通道到池
this.ChannelPool.ReturnChannel(channel);
}
return lTotoalCount;
}
/// <summary>
/// 根据书目序号得到详细的参考信息
/// </summary>
/// <param name="nIndex">书目序号，从1排序</param>
/// <param name="strInfo"></param>
/// <param name="strError"></param>
/// <returns></returns>
public int GetDetailBiblioInfo(SearchCommand searchCmd,
int nIndex,
out string strBiblioInfo,
out string strError)
{
strBiblioInfo = "";
strError = "";
Debug.Assert(searchCmd != null);
//检查有无超过数组界面
if (nIndex <= 0 || searchCmd.BiblioResultPathList.Count < nIndex)
{
strError = "您输入的书目序号[" + nIndex.ToString() + "]越出范围。";
return -1;
}
// 获取路径，注意要截取
string strPath = searchCmd.BiblioResultPathList[nIndex - 1];
int index = strPath.IndexOf("*");
if (index > 0)
strPath = strPath.Substring(0, index);
LibraryChannel channel = this.ChannelPool.GetChannel(this.dp2Url, this.dp2UserName);
channel.Password = this.dp2Password;
try
{
long lRet1 = channel.GetBiblioDetail(strPath,
out strBiblioInfo,
out strError);
if (lRet1 == -1)
{
strError = "获取详细信息失败：" + strError;
return -1;
}
}
finally
{
this.ChannelPool.ReturnChannel(channel);
}
return 0;
}