// 根据特性的评注记录路径，获得一定范围的检索命中结果
// return:
// -1 出错
// 0 没有找到
// 1 找到
public static int GetCommentsSearchResult(
OpacApplication app,
LibraryChannel channel,
ItemLoadEventHandler itemLoadProc,
SetStartEventHandler setStartProc,
int nPerCount,
string strCommentRecPath,
bool bGetRecord,
string strLang, // 2012/7/9
out int nStart,
out string strError)
{
strError = "";
nStart = -1;
long lHitCount = 0;
bool bFound = false;
List<string> aPath = null;
for (int j = 0; ; j++)
{
nStart = j * nPerCount;
// 只获得路径。确保所要的lStart lCount范围全部获得
long lRet = // this.Channel.
channel.GetSearchResult(
null,
"default",
nStart, // 0,
nPerCount, // -1,
strLang,
out aPath,
out strError);
if (lRet == -1)
goto ERROR1;
lHitCount = lRet;
if (lHitCount == 0)
return 0;
if (aPath.Count == 0)
break;
for (int i = 0; i < aPath.Count; i++)
{
if (aPath[i] == strCommentRecPath)
{
bFound = true;
break;
}
}
if (bFound == true)
break;
if (nStart >= lHitCount)
break;
}
if (bFound == true)
{
if (// this.SetStart != null
setStartProc != null)
{
SetStartEventArgs e = new SetStartEventArgs();
e.StartIndex = nStart;
// this.SetStart(this, e);
setStartProc(null, e);
}
for (int i = 0; i < aPath.Count; i++)
{
if (bGetRecord == true)
{
string strXml = "";
string strMetaData = "";
byte[] timestamp = null;
string strOutputPath = "";
string strStyle = LibraryChannel.GETRES_ALL_STYLE;
long lRet = // this.Channel.
channel.GetRes(
null,
aPath[i],
strStyle,
out strXml,
out strMetaData,
out timestamp,
out strOutputPath,
out strError);
if (lRet == -1)
goto ERROR1;
if (//this.ItemLoad != null
itemLoadProc != null)
{
ItemLoadEventArgs e = new ItemLoadEventArgs();
e.Path = aPath[i];
e.Index = i;
e.Count = aPath.Count;
e.Xml = strXml;
e.Timestamp = timestamp;
e.TotalCount = (int)lHitCount;
// this.ItemLoad(this, e);
e.Channel = channel;
itemLoadProc(null, e);
}
}
else
{
if (//this.ItemLoad != null
itemLoadProc != null)
{
ItemLoadEventArgs e = new ItemLoadEventArgs();
e.Path = aPath[i];
e.Index = i;
e.Count = aPath.Count;
e.Xml = "";
e.Timestamp = null;
e.TotalCount = (int)lHitCount;
// this.ItemLoad(this, e);
e.Channel = channel;
itemLoadProc(null, e);
}
}
}
return 1; // 找到
}
nStart = -1;
strError = "路径为 '" + strCommentRecPath + "' 的记录在结果集中没有找到";
return 0; // 没有找到
ERROR1:
return -1;
}
// TODO: 结果集是和 channel 在一起的。如果 channel 不确定，就需要用全局结果集
// 获得一定范围的检索命中结果
// return:
public static int GetCommentsSearchResult(
OpacApplication app,
LibraryChannel channel,
ItemLoadEventHandler itemLoadProc,
int nStart,
int nMaxCount,
bool bGetRecord,
string strLang, // 2012/7/9
out string strError)
{
strError = "";
List<string> aPath = null;
long lRet = // this.Channel.
channel.GetSearchResult(
null,
"default",
nStart, // 0,
nMaxCount, // -1,
strLang,
out aPath,
out strError);
if (lRet == -1)
goto ERROR1;
long lHitCount = lRet;
if (aPath.Count == 0)
{
strError = "GetSearchResult aPath error";
goto ERROR1;
}
for (int i = 0; i < aPath.Count; i++)
{
if (bGetRecord == true)
{
string strXml = "";
string strMetaData = "";
byte[] timestamp = null;
string strOutputPath = "";
string strStyle = LibraryChannel.GETRES_ALL_STYLE;
lRet = // this.Channel.
channel.GetRes(
null,
aPath[i],
strStyle,
out strXml,
out strMetaData,
out timestamp,
out strOutputPath,
out strError);
if (lRet == -1)
goto ERROR1;
if (// this.ItemLoad != null
itemLoadProc != null
)
{
ItemLoadEventArgs e = new ItemLoadEventArgs();
e.Path = aPath[i];
e.Index = i;
e.Count = aPath.Count;
e.Xml = strXml;
e.Timestamp = timestamp;
e.TotalCount = (int)lHitCount;
// this.ItemLoad(this, e);
e.Channel = channel;
itemLoadProc(null, e);
}
}
else
{
if (// this.ItemLoad != null
itemLoadProc != null)
{
ItemLoadEventArgs e = new ItemLoadEventArgs();
e.Path = aPath[i];
e.Index = i;
e.Count = aPath.Count;
e.Xml = "";
e.Timestamp = null;
e.TotalCount = (int)lHitCount;
// this.ItemLoad(this, e);
e.Channel = channel;
itemLoadProc(null, e);
}
}
}
return 0;
ERROR1:
return -1;
}
// 检索出册数据
// 带有偏移量的版本
// 2009/6/9
// return:
// -2 实体库没有定义
// -1 出错
// 其他 命中的全部结果数量。
//
public static int OpacSearchItems(
OpacApplication app,
LibraryChannel channel,
ItemLoadEventHandler itemLoadProc,
string strBiblioRecPath,
int nStart,
int nMaxCount,
string strLang,
string strLibraryCode,
out string strError)
{
strError = "";
// string strXml = "";
// LibraryChannel channel = this.GetChannel(true, this.m_strParameters);
try
{
string strStyle = "opac";
if (string.IsNullOrEmpty(strLibraryCode) == true)
strStyle += ",getotherlibraryitem";
else
strStyle += ",librarycode:" + strLibraryCode;
long lStart = nStart;
long lCount = nMaxCount;
long lTotalCount = 0;
for (; ; )
{
EntityInfo[] iteminfos = null;
long lRet = // this.Channel.
channel.GetEntities(
null,
strBiblioRecPath,
lStart,
lCount,
strStyle,
strLang,
out iteminfos,
out strError);
if (lRet == -1)
{
if (//this.Channel.
channel.ErrorCode == ErrorCode.ItemDbNotDef)
return -2;
return -1;
}
if (lRet == 0)
{
strError = "没有找到";
return 0;
}
lTotalCount = lRet;
if (lCount < 0)
lCount = lTotalCount - lStart;
if (lStart + lCount > lTotalCount)
lCount = lTotalCount - lStart;
// 处理
for (int i = 0; i < iteminfos.Length; i++)
{
EntityInfo info = iteminfos[i];
if (//this.ItemLoad != null
itemLoadProc != null)
{
ItemLoadEventArgs e = new ItemLoadEventArgs();
e.Path = info.OldRecPath;
e.Index = i; // +nStart;
e.Count = nMaxCount; // (int)lTotalCount - nStart;
e.Timestamp = info.OldTimestamp;
e.Xml = info.OldRecord;
//this.ItemLoad(this, e);
itemLoadProc(null, e);
}
}
lStart += iteminfos.Length;
lCount -= iteminfos.Length;
if (lStart >= lTotalCount)
break;
if (lCount <= 0)
break;
}
return (int)lTotalCount;
}
finally
{
// this.ReturnChannel(channel);
}
}
