WebQuery

Full name Microsoft.VisualBasic.Net.Http.WebQuery`1 Assembly Microsoft.VisualBasic.Runtime Members 18

Context类型参数应该是查询的term的数据类型, 而非返回的查询结果的数据类型

00 Remarks

这个模块不会重复请求404状态的资源

Type Parameters

Name	Description
`Context`

01 Syntax

Microsoft.VisualBasic.Net.Http.WebQuery`1

02 Methods

Name	Overloads	Summary
.cctor	1	config default web query parameters: from cli: /@set sleep=3000;webquery.debug=TRUE
.ctor	2
IsNullKey	1	test if the given key is empty or nothing
queryText	1	这个函数返回的是缓存的本地文件的路径列表
queryTextImpl	1
runHttpGet	1
Query	2
Dispose	2
Clear404URLIndex	1
Query	1
QueryCacheText	1

03 Properties

Name	Overloads	Summary
offlineMode	1	是否是处于仅从缓存数据之中查找结果的离线模式

04 Fields

Name	Overloads	Summary
url404	1	404状态的资源列表
cache	1	原始请求结果数据的缓存文件夹,同时也可以用这个文件夹来存放错误日志
expired	1	the timespan length for test the cache is expired in time?

05 Members

method .cctor #

#cctor

config default web query parameters:

from cli: /@set sleep=3000;webquery.debug=TRUE

method .ctor #

#ctor(Func(Of `0, String), IToString(Of `0), IObjectBuilder, Func(Of String, String), String, Int32, Boolean)

Parameters

Name	Type	Description
`url`	Func(Of `0, String)	请注意,查询词应该是被WebServiceUtils.UrlEncode()所转义过的
`contextGuid`	IToString(Of `0)	-
`parser`	`IObjectBuilder`	-
`prefix`	`Func(Of String, String)`	如果查询的结果文件很多, 则缓存放在同一下文件夹下, 打开的效率会非常低, 在这里使用这个函数来得到分组前缀用作为文件夹名,分组存放缓存数据
`cache`	`String`	A local Directory will be open for implements the IFileSystemEnvironment wrapper as cache.
`interval`	`Int32`	-

method .ctor overload 2 #

#ctor(String, Int32, Boolean)

create workspace from a local filesystem

Parameters

Name	Type	Description
`cache`	`String`	-
`interval`	`Int32`	-
`offline`	`Boolean`	-

method IsNullKey #

IsNullKey(Object)

test if the given key is empty or nothing

Parameters

Name	Type	Description
`key`	`Object`	-

method queryText #

queryText(IEnumerable(Of `0), String)

这个函数返回的是缓存的本地文件的路径列表

Parameters

Name	Type	Description
`query`	IEnumerable(Of `0)	-
`type`	`String`	文件拓展名，可以不带有小数点

method queryTextImpl #

queryTextImpl(String, String, String)

Parameters

Name	Type	Description
`id`	`String`	-
`url`	`String`	-
`type`	`String`	the file extension name, for indicate the file type, example as: *.txt

method runHttpGet #

runHttpGet(String, String, Boolean)

Parameters

Name	Type	Description
`cache_path`	`String`	a relative cache path
`url$`	`String`	-
`hitCache`	`Boolean`	-

method Query #

Query``1(`0, String, Boolean)

Type Parameters

Name	Description
`T`

Parameters

Name	Type	Description
`context`	`0	-
`cacheType`	`String`	缓存文件的文本格式拓展名

method Query overload 2 #

Query``1(IEnumerable(Of `0), String, Boolean)

Type Parameters

Name	Description
`T`

Parameters

Name	Type	Description
`context`	IEnumerable(Of `0)	-
`cacheType`	`String`	缓存文件的文本格式拓展名

method Dispose overload 2 #

Dispose(Boolean)

Release and save the cache filesystem data handle

Parameters

Name	Type	Description
`disposing`	`Boolean`	-

property offlineMode #

offlineMode

是否是处于仅从缓存数据之中查找结果的离线模式

field url404 #

url404

404状态的资源列表

field cache #

cache

原始请求结果数据的缓存文件夹,同时也可以用这个文件夹来存放错误日志

field expired #

expired

the timespan length for test the cache is expired in time?

method Clear404URLIndex #

Clear404URLIndex()

method Query #

Query(Context, String, Boolean)

method QueryCacheText #

QueryCacheText(Context, String, Boolean)

method Dispose #

Dispose()