/// <summary>
/// 添加数据更新索引任务
/// </summary>
/// <param name="job"></param>
public void AddJobs(IndexData job)
{
if (threadIndexUpData == null)
{
StartUpDataIndex();
}
string strLog = string.Format(@"
添加任务 - 数据：{0}，类型：{1}。", job.Data.knowledgeGUID.ToString(), job.JobType.ToString());
//logger.Debug(strLog);
jobs.Enqueue(job);
}
/// <summary>
/// 删除
/// </summary>
/// <returns></returns>
public bool Delete(string keyvalue)
{
#region 创建索引
//创建索引
var updateEntity = _knowledgeRepository.FindEntity(keyvalue);
IndexData indexData = new IndexData();
indexData.JobType = JobType.Remove;
indexData.Data = updateEntity;
var indexManage = IndexManager.GetInstance();
indexManage.AddJobs(indexData);
#endregion
return(_knowledgeRepository.Delete(t => t.knowledgeGUID == keyvalue));
}
/// <summary>
/// 保存
/// </summary>
/// <param name="doc"></param>
/// <returns></returns>
public bool SubmitForm(KnowledgeInfoEntity entity, string keyValue)
{
if (!string.IsNullOrEmpty(keyValue))
{
//修改
entity.knowledgeGUID = keyValue;
entity.UpdateDate = DateTime.Now;
_knowledgeRepository.Update(entity);
#region 创建索引
//创建索引
var updateEntity = _knowledgeRepository.FindEntity(keyValue);
IndexData indexData = new IndexData();
indexData.JobType = JobType.Up;
indexData.Data = updateEntity;
var indexManage = IndexManager.GetInstance();
indexManage.AddJobs(indexData);
#endregion
return(true);
}
else
{
entity.CreateById = OperatorProvider.Provider.Current().UserId;
entity.CreateBy = OperatorProvider.Provider.Current().UserName;
entity.CreateDate = DateTime.Now;
entity.UpdateDate = DateTime.Now;
entity.knowledgeGUID = Guid.NewGuid().ToString();
entity.ViewCount = 1;
#region 创建索引
//创建索引
IndexData indexData = new IndexData();
indexData.JobType = JobType.New;
indexData.Data = entity;
var indexManage = IndexManager.GetInstance();
indexManage.AddJobs(indexData);
#endregion
return(_knowledgeRepository.Insert(entity));
}
}
/// <summary>
/// 处理实际数据
/// </summary>
/// <param name="writer"></param>
private void ProcessJobs()
{
Regex r = new Regex("<img.[^>]+[>]+", RegexOptions.ExplicitCapture);
KnowledgeInfoEntity dataManager = new KnowledgeInfoEntity();
while (jobs.Count != 0)
{
IndexData job = jobs.Dequeue();
string IndexDic = __SearchAppIndexPath;
//创建索引目录
if (!System.IO.Directory.Exists(IndexDic))
{
System.IO.Directory.CreateDirectory(IndexDic);
}
FSDirectory directory = FSDirectory.Open(new DirectoryInfo(IndexDic), new NativeFSLockFactory());
bool isUpdate = IndexReader.IndexExists(directory);
//logger.Debug("索引库存在状态" + isUpdate);
if (isUpdate)
{
//如果索引目录被锁定（比如索引过程中程序异常退出），则首先解锁
if (IndexWriter.IsLocked(directory))
{
//logger.Debug("开始解锁索引库");
IndexWriter.Unlock(directory);
//logger.Debug("解锁索引库完成");
}
}
IndexWriter writer = new IndexWriter(directory, new PanGuAnalyzer(), !isUpdate, Lucene.Net.Index.IndexWriter.MaxFieldLength.UNLIMITED);
writer.DeleteDocuments(new Term("knowledgeGUID", job.Data.knowledgeGUID.ToString()));
//如果是“添加任务”再添加，
if (job.JobType == JobType.Up || job.JobType == JobType.New)
{
KnowledgeInfoEntity data = job.Data;
/*去除为NULL数据*/
if (string.IsNullOrEmpty(data.Title))
{
data.Title = string.Empty;
}
if (string.IsNullOrEmpty(data.ContentNoHtml))
{
data.ContentNoHtml = string.Empty;
}
if (string.IsNullOrEmpty(data.Summary))
{
data.Summary = string.Empty;
}
if (string.IsNullOrEmpty(data.CreateBy))
{
data.CreateBy = string.Empty;
}
Document document = new Document();
document.Add(new Field("knowledgeGUID", data.knowledgeGUID.ToString(), Field.Store.YES, Field.Index.NOT_ANALYZED));
document.Add(new Field("Title", data.Title, Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
document.Add(new Field("ContentNoHtml", r.Replace(data.ContentNoHtml, ""), Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
document.Add(new Field("Summary", data.Summary, Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
document.Add(new Field("CreateBy", data.CreateBy, Field.Store.YES, Field.Index.NOT_ANALYZED));
document.Add(new Field("UpdateDate", data.UpdateDate.Value.ToString("yyyy-MM-dd"), Field.Store.YES, Field.Index.NOT_ANALYZED));
document.Add(new Field("ViewCount", data.ViewCount.ToString(), Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
document.Add(new Field("DataType", data.DataType, Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
writer.AddDocument(document);
//logger.Debug("索引" + job.Data.DataGUID.ToString() + "完毕");
}
writer.Close();
directory.Close();//不要忘了Close，否则索引结果搜不到
}
}
