// parameters:
// max 返回最多多少个元素。如果为 -1，表示不限制
// hit_count 返回命中总数。是命中的整个集合的数量，除去 start 以后的值
public List <ValueCount> ListDates(int start,
int max,
out int hit_count)
{
hit_count = 0;
IMongoCollection <AccessLogItem> collection = this.LogCollection;
if (collection == null)
{
return(null);
}
#if NO
BasicDBObject key = new BasicDBObject();
14.key.put("name", "true");
15.BasicDBObject initial = new BasicDBObject();
16.initial.put("count", 0);
17.BasicDBObject condition = new BasicDBObject();
18.// condition.put("name", "liguohui");
19.String reduceString = "function(obj,prev) { prev.count++; }";
20.DBObject dbo = coll.group(key, condition, initial, reduceString);
#endif
var document = new BsonDocument("count", 0);
var keyFunction = (BsonJavaScript) @"function(doc) {
var date = new Date(doc.OperTime);
var dateKey = date.toISOString().slice(0, 10);
return {'day':dateKey};
}";
// var dateKey = date.getFullYear()+'|'+(date.getMonth()+1)+'|'+date.getDate();
var result = collection.Group(
Query.Null,
keyFunction,
document,
new BsonJavaScript("function(doc, out){ out.count++; }"),
null
).Skip <BsonDocument>(start);
List <ValueCount> values = new List <ValueCount>();
int nCount = 0;
foreach (BsonDocument doc in result)
{
ValueCount item = new ValueCount();
item.Value = doc.GetValue("day", "").ToString().Replace("-", "");
item.Count = doc.GetValue("count", 0).ToInt32();
values.Add(item);
nCount++;
if (max != -1 && nCount >= max)
{
break;
}
}
hit_count = result.Count <BsonDocument>();
return(values);
}
public DBObject getMetaData()
{
if (_metadata == null)
_metadata = new BasicDBObject();
return _metadata;
}
// parameters:
// max 返回最多多少个元素。如果为 -1，表示不限制
// hit_count 返回命中总数。是命中的整个集合的数量，除去 start 以后的值
public List<ValueCount> ListDates(int start, int max, out int hit_count)
{
hit_count = 0;
MongoCollection<AccessLogItem> collection = this.LogCollection;
if (collection == null)
return null;
#if NO
BasicDBObject key = new BasicDBObject();
14.key.put("name", "true");
15.BasicDBObject initial = new BasicDBObject();
16.initial.put("count", 0);
17.BasicDBObject condition = new BasicDBObject();
18.// condition.put("name", "liguohui");
19.String reduceString = "function(obj,prev) { prev.count++; }";
20.DBObject dbo = coll.group(key, condition , initial, reduceString);
#endif
var document = new BsonDocument("count", 0);
var keyFunction = (BsonJavaScript)@"function(doc) {
var date = new Date(doc.OperTime);
var dateKey = date.toISOString().slice(0, 10);
return {'day':dateKey};
}";
// var dateKey = date.getFullYear()+'|'+(date.getMonth()+1)+'|'+date.getDate();
var result = collection.Group(
Query.Null,
keyFunction,
document,
new BsonJavaScript("function(doc, out){ out.count++; }"),
null
).Skip<BsonDocument>(start);
List<ValueCount> values = new List<ValueCount>();
int nCount = 0;
foreach (BsonDocument doc in result)
{
ValueCount item = new ValueCount();
item.Value = doc.GetValue("day", "").ToString().Replace("-", "");
item.Count = doc.GetValue("count", 0).ToInt32();
values.Add(item);
nCount++;
if (max != -1 && nCount >= max)
break;
}
hit_count = result.Count<BsonDocument>();
return values;
}
