static List <KeyFromItem> BuildKeyFromList(List <string> results)
{
List <KeyFromItem> items = new List <KeyFromItem>();
for (int i = 0; i < results.Count / 2; i++)
{
KeyFromItem item = new KeyFromItem();
item.Key = results[i * 2];
item.From = results[i * 2 + 1].Replace((char)31, '$');
items.Add(item);
}
return(items);
}
static List<KeyFromItem> BuildKeyFromList(List<string> results)
{
List<KeyFromItem> items = new List<KeyFromItem>();
for (int i = 0; i < results.Count / 2; i++)
{
KeyFromItem item = new KeyFromItem();
item.Key = results[i * 2];
item.From = results[i * 2 + 1].Replace((char)31, '$');
items.Add(item);
}
return items;
}
// 做一个数据库内的检索
// parameters:
// strServerName 目标服务器名。这个和<database>元素name属性中的服务器名部分可不一定一样
// strDatabaseName 数据库路径
int DoOneDatabase(
XmlNode nodeDatabase,
out string strError)
{
strError = "";
string strDatabasePath = DomUtil.GetAttr(nodeDatabase, "name");
string strThreshold = DomUtil.GetAttr(nodeDatabase, "threshold");
int nThreshold = 0;
try
{
nThreshold = Convert.ToInt32(strThreshold);
}
catch
{
strError = "threshold值 '" + strThreshold + "' 格式不正确，应当为纯数字";
return(-1);
}
// string strServerName = GetServerName(strDatabasePath);
List <string> results = null;
// 获得一条记录的关于这个数据库的检索点
int nRet = this.DtlpChannel.GetAccessPoint(strDatabasePath + "/ctlno/?", // 全路径
this.MarcRecord,
out results,
out strError);
if (nRet == -1)
{
return(-1);
}
// 将results加工为合用的数组
List <KeyFromItem> items = BuildKeyFromList(results);
// 遍历数据中实际存在的每个key+from
for (int i = 0; i < items.Count; i++)
{
KeyFromItem item = items[i];
string strWeight = "";
string strSearchStyle = "";
// 获得这个from有关的weight/searchstyle
// 获得关于一个检索点的定义信息 weight / searchstyle
// parameters:
// strFromName from名。注意里面的31字符应当替换为'$'
// return:
// -1 error
// 0 not found
// 1 found
nRet = GetAccessPointDef(nodeDatabase,
item.From,
out strWeight,
out strSearchStyle,
out strError);
if (nRet == -1)
{
return(-1);
}
if (nRet == 0)
{
continue;
}
Debug.Assert(strWeight != "", "");
// 进行检索
nRet = DoOneSearch(
strDatabasePath,
item.From,
item.Key,
strWeight,
strSearchStyle,
nThreshold,
out strError);
if (nRet == -1)
{
return(-1);
}
}
// TODO: 将所有<accessPoint>节点存储到一个hashtable中，以便提高运行速度？便于查检，而不用xpath来选择?
return(0);
}
