// 检索书目记录下属的实体记录，返回少量必要的信息，可以提供后面实做删除时使用
// parameters:
// strStyle check_borrow_info,count_borrow_info,return_record_xml
// 当包含 check_borrow_info 时，发现第一个流通信息，本函数就立即返回-1
// 当包含 count_borrow_info 时，函数要统计全部流通信息的个数
// return:
// -2 not exist entity dbname
// -1 error
// >=0 含有流通信息的实体记录个数, 当strStyle包含count_borrow_info时。
public int SearchChildEntities(RmsChannel channel,
string strBiblioRecPath,
string strStyle,
Delegate_checkRecord procCheckRecord,
object param,
out long lHitCount,
out List<DeleteEntityInfo> entityinfos,
out string strError)
{
strError = "";
lHitCount = 0;
entityinfos = new List<DeleteEntityInfo>();
int nRet = 0;
bool bCheckBorrowInfo = StringUtil.IsInList("check_borrow_info", strStyle);
bool bCountBorrowInfo = StringUtil.IsInList("count_borrow_info", strStyle);
bool bReturnRecordXml = StringUtil.IsInList("return_record_xml", strStyle);
bool bOnlyGetCount = StringUtil.IsInList("only_getcount", strStyle);
if (bCheckBorrowInfo == true
&& bCountBorrowInfo == true)
{
strError = "strStyle中check_borrow_info和count_borrow_info不能同时具备";
return -1;
}
string strBiblioDbName = ResPath.GetDbName(strBiblioRecPath);
string strBiblioRecId = ResPath.GetRecordId(strBiblioRecPath);
// 获得书目库对应的实体库名
string strItemDbName = "";
nRet = this.GetItemDbName(strBiblioDbName,
out strItemDbName,
out strError);
if (nRet == -1)
goto ERROR1;
// 2008/12/5
if (String.IsNullOrEmpty(strItemDbName) == true)
return 0;
// 检索实体库中全部从属于特定id的记录
string strQueryXml = "<target list='"
+ StringUtil.GetXmlStringSimple(strItemDbName + ":" + "父记录") // 2007/9/14
+ "'><item><word>"
+ strBiblioRecId
+ "</word><match>exact</match><relation>=</relation><dataType>string</dataType><maxCount>-1</maxCount></item><lang>" + "zh" + "</lang></target>";
long lRet = channel.DoSearch(strQueryXml,
"entities",
"", // strOuputStyle
out strError);
if (lRet == -1)
goto ERROR1;
if (lRet == 0)
{
strError = "没有找到属于书目记录 '" + strBiblioRecPath + "' 的任何实体记录";
return 0;
}
lHitCount = lRet;
// 仅返回命中条数
if (bOnlyGetCount == true)
return 0;
int nResultCount = (int)lRet;
if (nResultCount > 10000)
{
strError = "命中册记录数 " + nResultCount.ToString() + " 超过 10000, 暂时不支持针对它们的删除操作";
goto ERROR1;
}
int nBorrowInfoCount = 0;
int nStart = 0;
int nPerCount = 100;
for (; ; )
{
List<string> aPath = null;
lRet = channel.DoGetSearchResult(
"entities",
nStart,
nPerCount,
"zh",
null,
out aPath,
out strError);
if (lRet == -1)
goto ERROR1;
if (aPath.Count == 0)
{
strError = "aPath.Count == 0";
goto ERROR1;
}
// 获得每条记录
for (int i = 0; i < aPath.Count; i++)
{
string strMetaData = "";
string strXml = "";
byte[] timestamp = null;
string strOutputPath = "";
lRet = channel.GetRes(aPath[i],
out strXml,
out strMetaData,
out timestamp,
out strOutputPath,
out strError);
DeleteEntityInfo entityinfo = new DeleteEntityInfo();
if (lRet == -1)
{
/*
entityinfo.RecPath = aPath[i];
entityinfo.ErrorCode = channel.OriginErrorCode;
entityinfo.ErrorInfo = channel.ErrorInfo;
entityinfo.OldRecord = "";
entityinfo.OldTimestamp = null;
entityinfo.NewRecord = "";
entityinfo.NewTimestamp = null;
entityinfo.Action = "";
* */
if (channel.ErrorCode == ChannelErrorCode.NotFound)
continue;
strError = "获取实体记录 '" + aPath[i] + "' 时发生错误: " + strError;
goto ERROR1;
// goto CONTINUE;
}
entityinfo.RecPath = strOutputPath;
entityinfo.OldTimestamp = timestamp;
if (bReturnRecordXml == true)
entityinfo.OldRecord = strXml;
if (bCheckBorrowInfo == true
|| bCountBorrowInfo == true
|| procCheckRecord != null)
{
// 检查是否有借阅信息
// 把记录装入DOM
XmlDocument domExist = new XmlDocument();
try
{
domExist.LoadXml(strXml);
}
catch (Exception ex)
{
strError = "实体记录 '" + aPath[i] + "' 装载进入DOM时发生错误: " + ex.Message;
goto ERROR1;
}
if (procCheckRecord != null)
{
nRet = procCheckRecord(strOutputPath,
domExist,
timestamp,
param,
out strError);
if (nRet != 0)
return nRet;
}
entityinfo.ItemBarcode = DomUtil.GetElementText(domExist.DocumentElement,
"barcode");
// TODO: 在日志恢复阶段调用本函数时，是否还有必要检查是否具有流通信息？似乎这时应强制删除为好
// 观察已经存在的记录是否有流通信息
string strDetail = "";
bool bHasCirculationInfo = IsEntityHasCirculationInfo(domExist, out strDetail);
if (bHasCirculationInfo == true)
{
if (bCheckBorrowInfo == true)
{
strError = "拟删除的册记录 '" + entityinfo.RecPath + "' 中包含有流通信息(" + strDetail + ")(此种情况可能不限于这一条)，不能删除。因此全部删除操作均被放弃。";
goto ERROR1;
}
if (bCountBorrowInfo == true)
nBorrowInfoCount++;
}
}
// CONTINUE:
entityinfos.Add(entityinfo);
}
nStart += aPath.Count;
if (nStart >= nResultCount)
break;
}
return nBorrowInfoCount;
ERROR1:
return -1;
}
// 2016/11/15 改造为不用 GetRes() 获取记录
// 检索书目记录下属的实体记录，返回少量必要的信息，可以提供后面实做删除时使用
// parameters:
// strStyle check_borrow_info,count_borrow_info,return_record_xml
// 当包含 check_borrow_info 时，发现第一个流通信息，本函数就立即返回-1
// 当包含 count_borrow_info 时，函数要统计全部流通信息的个数
// 当包含 libraryCodes: 时，表示仅获得所列分馆代码的册记录。注意多个馆代码之间用竖线分隔
// 当包含 limit: 时，定义最多取得记录的个数。例如希望最多取得 10 条，可以定义 limit:10
// return:
// -2 not exist entity dbname
// -1 error
// >=0 含有流通信息的实体记录个数, 当strStyle包含count_borrow_info时。
public int SearchChildEntities(RmsChannel channel,
string strBiblioRecPath,
string strStyle,
Delegate_checkRecord procCheckRecord,
object param,
out long lHitCount,
out List<DeleteEntityInfo> entityinfos,
out string strError)
{
strError = "";
lHitCount = 0;
entityinfos = new List<DeleteEntityInfo>();
int nRet = 0;
bool bCheckBorrowInfo = StringUtil.IsInList("check_borrow_info", strStyle);
bool bCountBorrowInfo = StringUtil.IsInList("count_borrow_info", strStyle);
bool bReturnRecordXml = StringUtil.IsInList("return_record_xml", strStyle);
bool bOnlyGetCount = StringUtil.IsInList("only_getcount", strStyle);
if (bCheckBorrowInfo == true
&& bCountBorrowInfo == true)
{
strError = "strStyle中check_borrow_info和count_borrow_info不能同时具备";
return -1;
}
string strLibraryCodeParam = StringUtil.GetParameterByPrefix(strStyle, "libraryCodes", ":");
string strLimit = StringUtil.GetParameterByPrefix(strStyle, "limit", ":");
string strBiblioDbName = ResPath.GetDbName(strBiblioRecPath);
string strBiblioRecId = ResPath.GetRecordId(strBiblioRecPath);
// 获得书目库对应的实体库名
string strItemDbName = "";
nRet = this.GetItemDbName(strBiblioDbName,
out strItemDbName,
out strError);
if (nRet == -1)
goto ERROR1;
// 2008/12/5
if (String.IsNullOrEmpty(strItemDbName) == true)
return 0;
// 检索实体库中全部从属于特定id的记录
string strQueryXml = "";
if (string.IsNullOrEmpty(strLibraryCodeParam) == true)
{
strQueryXml = "<target list='"
+ StringUtil.GetXmlStringSimple(strItemDbName + ":" + "父记录") // 2007/9/14
+ "'><item><word>"
+ strBiblioRecId
+ "</word><match>exact</match><relation>=</relation><dataType>string</dataType><maxCount>-1</maxCount></item><lang>" + "zh" + "</lang></target>";
}
else
{
// 仅仅取得当前用户管辖的分馆的册记录
List<string> codes = StringUtil.SplitList(strLibraryCodeParam, '|'); // sessioninfo.LibraryCodeList
foreach (string strCode in codes)
{
string strOneQueryXml = "<target list='"
+ StringUtil.GetXmlStringSimple(strItemDbName + ":" + "父记录+馆藏地点")
+ "'><item><word>"
+ StringUtil.GetXmlStringSimple(strBiblioRecId + "|" + strCode + "/")
+ "</word><match>left</match><relation>=</relation><dataType>string</dataType><maxCount>-1</maxCount></item><lang>" + "zh" + "</lang></target>";
if (string.IsNullOrEmpty(strQueryXml) == false)
{
Debug.Assert(String.IsNullOrEmpty(strQueryXml) == false, "");
strQueryXml += "<operator value='OR'/>";
}
strQueryXml += strOneQueryXml;
}
if (codes.Count > 0)
{
strQueryXml = "<group>" + strQueryXml + "</group>";
}
}
long lRet = channel.DoSearch(strQueryXml,
"entities",
"", // strOuputStyle
out strError);
if (lRet == -1)
goto ERROR1;
if (lRet == 0)
{
strError = "没有找到属于书目记录 '" + strBiblioRecPath + "' 的任何实体记录";
return 0;
}
lHitCount = lRet;
// 仅返回命中条数
if (bOnlyGetCount == true)
return 0;
int nResultCount = (int)lRet;
if (nResultCount > 10000)
{
strError = "命中册记录数 " + nResultCount.ToString() + " 超过 10000, 暂时不支持针对它们的删除操作";
goto ERROR1;
}
string strColumnStyle = "id,xml,timestamp";
int nLimit = -1;
if (string.IsNullOrEmpty(strLimit) == false)
Int32.TryParse(strLimit, out nLimit);
int nBorrowInfoCount = 0;
int nStart = 0;
int nPerCount = 100;
if (nLimit != -1 && nPerCount > nLimit)
nPerCount = nLimit;
for (; ; )
{
#if NO
List<string> aPath = null;
lRet = channel.DoGetSearchResult(
"entities",
nStart,
nPerCount,
"zh",
null,
out aPath,
out strError);
if (lRet == -1)
goto ERROR1;
if (aPath.Count == 0)
{
strError = "aPath.Count == 0";
goto ERROR1;
}
#endif
Record[] searchresults = null;
lRet = channel.DoGetSearchResult(
"entities",
nStart,
nPerCount,
strColumnStyle,
"zh",
null,
out searchresults,
out strError);
if (lRet == -1)
goto ERROR1;
if (searchresults == null)
{
strError = "searchresults == null";
goto ERROR1;
}
if (searchresults.Length == 0)
{
strError = "searchresults.Length == 0";
goto ERROR1;
}
// 获得每条记录
// for (int i = 0; i < aPath.Count; i++)
int i = 0;
foreach (Record record in searchresults)
{
// EntityInfo info = new EntityInfo();
// info.OldRecPath = record.Path;
string strMetaData = "";
string strXml = "";
byte[] timestamp = null;
string strOutputPath = "";
DeleteEntityInfo entityinfo = new DeleteEntityInfo();
if (record.RecordBody == null || string.IsNullOrEmpty(record.RecordBody.Xml) == true)
{
lRet = channel.GetRes(record.Path,
out strXml,
out strMetaData,
out timestamp,
out strOutputPath,
out strError);
if (lRet == -1)
{
if (channel.ErrorCode == ChannelErrorCode.NotFound)
continue;
strError = "获取实体记录 '" + record.Path + "' 时发生错误: " + strError;
goto ERROR1;
}
}
else
{
strXml = record.RecordBody.Xml;
strOutputPath = record.Path;
timestamp = record.RecordBody.Timestamp;
}
entityinfo.RecPath = strOutputPath;
entityinfo.OldTimestamp = timestamp;
if (bReturnRecordXml == true)
entityinfo.OldRecord = strXml;
if (bCheckBorrowInfo == true
|| bCountBorrowInfo == true
|| procCheckRecord != null)
{
// 检查是否有借阅信息
// 把记录装入DOM
XmlDocument domExist = new XmlDocument();
try
{
domExist.LoadXml(strXml);
}
catch (Exception ex)
{
strError = "实体记录 '" + strOutputPath + "' 装载进入DOM时发生错误: " + ex.Message;
goto ERROR1;
}
if (procCheckRecord != null)
{
nRet = procCheckRecord(
nStart + i,
strOutputPath,
domExist,
timestamp,
param,
out strError);
if (nRet != 0)
return nRet;
}
entityinfo.ItemBarcode = DomUtil.GetElementText(domExist.DocumentElement,
"barcode");
// TODO: 在日志恢复阶段调用本函数时，是否还有必要检查是否具有流通信息？似乎这时应强制删除为好
// 观察已经存在的记录是否有流通信息
string strDetail = "";
bool bHasCirculationInfo = IsEntityHasCirculationInfo(domExist, out strDetail);
if (bHasCirculationInfo == true)
{
if (bCheckBorrowInfo == true)
{
strError = "拟删除的册记录 '" + entityinfo.RecPath + "' 中包含有流通信息(" + strDetail + ")(此种情况可能不限于这一条)，不能删除。因此全部删除操作均被放弃。";
goto ERROR1;
}
if (bCountBorrowInfo == true)
nBorrowInfoCount++;
}
}
// CONTINUE:
entityinfos.Add(entityinfo);
i++;
}
nStart += searchresults.Length;
if (nStart >= nResultCount)
break;
if (nLimit != -1 && nStart >= nLimit)
break;
}
return nBorrowInfoCount;
ERROR1:
return -1;
}
