//根据id添加或者修改索引
public void InsertOrUpdate <T>(T model)
{
var doc = LuceneTool.CreateDoc(model);
var term = new Term("Id", doc.Get("Id"));
LuceneTool.GetIndexWriter(indexName).UpdateDocument(term, doc);
}
//批量添加索引
public void InsertMany <T>(IEnumerable <T> list)
{
foreach (var item in list)
{
var doc = LuceneTool.CreateDoc(item);
LuceneTool.GetIndexWriter(indexName).AddDocument(doc);
}
}
//加入其它索引
public void AppendIndexs(params string[] indexs)
{
foreach (var item in indexs)
{
Directory dir = LuceneTool.GetDirectory(item);
LuceneTool.GetIndexWriter(indexName).AddIndexesNoOptimize(dir);
}
}
//根据ids批量发删除数据
public void DeleteByIds(IEnumerable <object> ids)
{
foreach (var id in ids)
{
Term term = new Term("Id", id.ToString());
LuceneTool.GetIndexWriter(indexName).DeleteDocuments(term);
}
}
//批量根据id添加或者修改索引
public void InsertOrUpdateMany <T>(IEnumerable <T> list)
{
foreach (var item in list)
{
var doc = LuceneTool.CreateDoc(item);
var term = new Term("Id", doc.Get("Id"));
LuceneTool.GetIndexWriter(indexName).UpdateDocument(term, doc);
}
}
public LuceneMultiConnection(params string[] indexNames)
{
readers = new IndexReader[indexNames.Length];
for (int i = 0; i < indexNames.Length; i++)
{
readers[i] = LuceneTool.GetIndexReader(indexNames[i]);
}
multiReader = new MultiReader(readers, false); //不关闭Readers
indexSearcher = new IndexSearcher(multiReader);
}
//公共提交方法
private void Save()
{
try
{
LuceneTool.GetSemaphore(indexName).Wait();
LuceneTool.RecoveryOldIndexReader(indexName); //回收旧的IndexReader
LuceneTool.GetIndexWriter(indexName).Commit();
}
finally
{
LuceneTool.GetSemaphore(indexName).Release();
}
}
//读取doc文档
public static IEnumerable <T> ReadModels <T>(Searcher indexSearcher, TopDocs topDocs, string returnFields = null)
where T : class, new()
{
if (topDocs.TotalHits == 0)
{
yield break;
}
foreach (var scoreDoc in topDocs.ScoreDocs)
{
Document doc;
if (returnFields == null)
{
doc = indexSearcher.Doc(scoreDoc.Doc);
}
else
{
string[] fieldArr = returnFields.Split(',');
MapFieldSelector field = new MapFieldSelector(fieldArr);//指定返回列
doc = indexSearcher.Doc(scoreDoc.Doc, field);
}
yield return(LuceneTool.CreateModel <T>(doc));
}
}
//读取doc文档
public static IEnumerable <T> ReadModels <T>(Searcher indexSearcher, TopDocs topDocs, int skip, string returnFields = null)
where T : class, new()
{
if (skip >= topDocs.TotalHits)
{
yield break;
}
for (int i = skip; i < topDocs.ScoreDocs.Length; i++)
{
Document doc;
if (returnFields == null)
{
doc = indexSearcher.Doc(topDocs.ScoreDocs[i].Doc);
}
else
{
string[] fieldArr = returnFields.Split(',');
MapFieldSelector field = new MapFieldSelector(fieldArr);//指定返回列
doc = indexSearcher.Doc(topDocs.ScoreDocs[i].Doc, field);
}
yield return(LuceneTool.CreateModel <T>(doc));
}
}
//优化索引
public void Optimize()
{
LuceneTool.GetIndexWriter(indexName).Optimize();
}
//根据Terms删除
public void Delete(params Term[] terms)
{
LuceneTool.GetIndexWriter(indexName).DeleteDocuments(terms);
}
//根据Term删除
public void Delete(Term term)
{
LuceneTool.GetIndexWriter(indexName).DeleteDocuments(term);
}
//根据Querys删除
public void Delete(params Query[] queries)
{
LuceneTool.GetIndexWriter(indexName).DeleteDocuments(queries);
}
//根据Query删除
public void Delete(Query q)
{
LuceneTool.GetIndexWriter(indexName).DeleteDocuments(q);
}
//根据字段获取数据
public IEnumerable <T> GetByField <T>(string fieldName, string value, string returnFields = null) where T : class, new()
{
return(LuceneTool.GetByField <T>(indexSearcher, fieldName, value, returnFields));
}
//删除所有数据
public void DeleteAll()
{
LuceneTool.GetIndexWriter(indexName).DeleteAll();
}
public IEnumerable <T> GetByQuery <T>(Query q, string returnFields = null, Sort sort = null, Filter filter = null, int maxReturnNum = int.MaxValue) where T : class, new()
{
return(LuceneTool.GetByQuery <T>(indexSearcher, q, returnFields, sort, filter, maxReturnNum));
}
public IEnumerable <T> GetAll <T>(string returnFields = null, Sort sort = null)
where T : class, new()
{
return(LuceneTool.GetAll <T>(indexSearcher, returnFields, sort));
}
public IEnumerable <T> GetByPage <T>(int pageIndex, int pageSize, out int total, string returnFields = null, Query q = null, Sort sort = null, Filter filter = null, int maxReturnNum = int.MaxValue) where T : class, new()
{
return(LuceneTool.GetByPage <T>(indexSearcher, pageIndex, pageSize, out total, returnFields, q, sort, filter, maxReturnNum));
}
//添加索引
public void Insert <T>(T model)
{
var doc = LuceneTool.CreateDoc(model);
LuceneTool.GetIndexWriter(indexName).AddDocument(doc);
}
//根据id获取一条数据
public T GetById <T>(object id, string returnFields = null) where T : class, new()
{
return(LuceneTool.GetById <T>(indexSearcher, id, returnFields));
}
//根据ids获取数据
public IEnumerable <T> GetByIds <T>(IEnumerable <object> ids, string returnFields = null) where T : class, new()
{
return(LuceneTool.GetByIds <T>(indexSearcher, ids, returnFields));
}
//根据id删除数据
public void DeleteById(object id)
{
Term term = new Term("Id", id.ToString());
LuceneTool.GetIndexWriter(indexName).DeleteDocuments(term);
}
//根据字段ids获取数据
public IEnumerable <T> GetByFieldIn <T>(string fieldName, IEnumerable <string> ids, string returnFields = null) where T : class, new()
{
return(LuceneTool.GetByFieldIn <T>(indexSearcher, fieldName, ids, returnFields));
}
public int GetTotal(Query q = null)
{
return(LuceneTool.GetTotal(indexSearcher, q));
}
