Method Exists
Exists(String)
Declaration
public bool Exists(String fileName)Parameters
| Type | Name | Description |
|---|---|---|
| String | fileName |
Returns
| Type | Description |
|---|---|
| System. |
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Alachisoft.
NCache. Client -
Cache
Cleared Callback -
Cache
Collection -
Cache
Connection -
Cache
Connection Options -
Properties
-
App
Name -
Client
Bind IP -
Client
Cache Mode -
Client
Request Time Out -
Command
Retries -
Command
Retry Interval -
Connection
Retries -
Connection
Timeout -
Default
Read Thru Provider -
Default
Write Thru Provider -
Enable
Client Logs -
Enable
Keep Alive -
Keep
Alive Interval -
Load
Balance -
Log
Level - Mode
-
Retry
Connection Delay -
Retry
Interval -
Server
List -
User
Credentials
-
App
- Methods
-
Properties
-
Cache
Data Notification Callback -
Cache
Event Arg -
Cache
Event Descriptor -
Cache
Item -
Cache
Item Removed Reason -
Cache
Item Version -
Cache
Manager -
Cache
Stopped Callback -
Cache
Stream -
Cache
Stream Attributes -
Cache
Sync Dependency -
Client
Cache Sync Mode -
Continuous
Query -
Continuous
Query Clear Callback -
CQEvent
Arg - Credentials
-
Event
Arg -
Event
Cache Item - ICache
-
ICache
Reader -
Isolation
Level -
Lock
Handle -
Log
Level -
Member
Joined Callback -
Member
Left Callback -
Node
Info -
Query
Command -
Query
Data Notification Callback -
Remote
Cache Key Dependency -
Stream
Mode -
Tag
Search Options
-
Cache
-
Alachisoft.
NCache. Client. Data Types -
Alachisoft.
NCache. Client. Data Types. Collections -
Alachisoft.
NCache. Client. Data Types. Counter -
Alachisoft.
NCache. Client. Services -
Alachisoft.
NCache. Entity Framework Core - Cache
-
Caching
Options -
Db
Context Extensions -
Default
Key Generator -
Dependency
Type -
Expiration
Type -
Key
Generator -
Query
Cache Extensions - QueryDeferred<TResult>
-
Query
Deferred Extensions -
Methods
-
Deferred
Aggregate -
Deferred
All -
Deferred
Any -
Deferred
Average -
Deferred
Contains -
Deferred
Count -
Deferred
Element At -
Deferred
Element At Or Default -
Deferred
First -
Deferred
First Or Default -
Deferred
Last -
Deferred
Last Or Default -
Deferred
Long Count -
Deferred
Max -
Deferred
Min -
Deferred
Sequence Equal -
Deferred
Single -
Deferred
Single Or Default -
Deferred
Sum
-
Deferred
-
Methods
-
Store
As
-
Alachisoft.
NCache. Extensibility. Configuration -
Alachisoft.
NCache. Runtime -
Alachisoft.
NCache. Runtime. Aggregation -
Alachisoft.
NCache. Runtime. Cache Loader -
Alachisoft.
NCache. Runtime. Caching -
Cache
Client Connectivity Changed Callback -
Cache
Client Connectivity Changed Callback -
Cache
Item Attributes -
Connectivity
Status -
Data
Source Modified Call Back -
Delivery
Option - Expiration
-
Expiration
Type -
IDurable
Topic Subscription - IMessage
- ITopic
-
ITopic
Subscription - Message
-
Message
Delivery Failure Callback -
Message
Event Args -
Message
Failed Event Args -
Message
Failure Reason -
Message
Received Callback -
Named
Tags Dictionary -
Provider
Cache Item - ProviderDataTypeItem<TValue>
-
Provider
Item Base -
Read
Mode -
Read
Thru Options -
Resync
Options -
Subscription
Policy - Tag
-
Topic
Deleted Callback -
Topic
Delete Event Args -
Write
Behind Op Result -
Write
Behind Op Status -
Write
Mode -
Write
Operations -
Write
Operation Type -
Write
Thru Options
-
Cache
-
Alachisoft.
NCache. Runtime. Caching. Messaging -
Alachisoft.
NCache. Runtime. Datasource Providers -
Alachisoft.
NCache. Runtime. Dependencies -
Aggregate
Cache Dependency -
Bulk
Extensible Dependency -
Cache
Dependency -
Cmd
Params Type -
DBCache
Dependency -
DBDependency
Factory -
DBDependency
Type -
Extensible
Dependency -
File
Dependency -
Key
Dependency -
Key
Dependency Type -
Nos
DBDependency -
Notify
Extensible Dependency -
Notify
Extensible Dependency. Dependency Changed Handler -
Oracle
Cache Dependency -
Oracle
Cmd Params -
Oracle
Cmd Params Type -
Oracle
Command Type -
Oracle
Parameter Direction -
Sql
Cache Dependency -
Sql
Cmd Params -
Sql
Command Type -
Sql
Data Row Version -
Sql
Param Direction
-
Aggregate
-
Alachisoft.
NCache. Runtime. Events -
Alachisoft.
NCache. Runtime. Exceptions -
Aggregate
Exception -
APILogging
Exception -
Attribute
Index Not Defined -
Bucket
Transferred Exception -
Cache
Exception -
Collection
Type Mismatch Exception -
Configuration
Exception -
Connection
Exception -
General
Failure Exception -
Invalid
Reader Exception -
Invalid
Task Enumerator Exception -
Licensing
Exception -
Locking
Exception -
Maintenance
Exception -
Management
Exception -
Max
Client Reached Exception -
Operation
Failed Exception -
Operation
Not Supported Exception -
Parser
Exception -
Security
Exception -
State
Transfer In Progress Exception -
Stream
Already Locked Exception -
Stream
Close Exception -
Stream
Exception -
Stream
Invalid Lock Exception -
Stream
Not Found Exception -
Suspected
Exception -
Timeout
Exception -
Type
Index Not Defined
-
Aggregate
-
Alachisoft.
NCache. Runtime. JSON -
Alachisoft.
NCache. Runtime. Map Reduce -
Alachisoft.
NCache. Runtime. Processor -
Lucene.
Net -
Lucene.
Net. Analysis - Analyzer
-
ASCIIFolding
Filter -
Base
Char Filter -
Caching
Token Filter -
Chained
Filter -
Chained
Filter. Logic -
Char
Array Set -
Char
Array Set. Char Array Set Enumerator -
Char
Filter -
Char
Reader -
Char
Stream -
Char
Tokenizer -
ISOLatin1Accent
Filter -
Keyword
Analyzer -
Keyword
Tokenizer -
Length
Filter -
Letter
Tokenizer -
Lower
Case Filter -
Lower
Case Tokenizer -
Mapping
Char Filter -
Normalize
Char Map -
Numeric
Token Stream -
Per
Field Analyzer Wrapper -
Porter
Stem Filter -
Simple
Analyzer -
Stop
Analyzer -
Stop
Filter -
Tee
Sink Token Filter -
Tee
Sink Token Filter. Anonymous Class Sink Filter -
Tee
Sink Token Filter. Sink Filter -
Tee
Sink Token Filter. Sink Token Stream - Token
-
Token.
Token Attribute Factory -
Token
Filter - Tokenizer
-
Token
Stream -
Whitespace
Analyzer -
Whitespace
Tokenizer -
Wordlist
Loader
-
Lucene.
Net. Documents -
Abstract
Field -
Compression
Tools -
Date
Field -
Date
Tools -
Date
Tools. Resolution - Document
- Field
-
Field.
Index -
Field.
Store -
Field.
Term Vector -
Field
Extensions -
Field
Selector -
Field
Selector Result - IFieldable
-
Load
First Field Selector -
Map
Field Selector -
Number
Tools -
Numeric
Field -
Set
Based Field Selector
-
Abstract
-
Lucene.
Net. Index -
Abstract
All Term Docs -
Byte
Block Pool -
Byte
Block Pool. Allocator -
Byte
Slice Reader -
Byte
Slice Writer -
Check
Index -
Check
Index. Status -
Check
Index. Status. Field Norm Status -
Check
Index. Status. Segment Info Status -
Check
Index. Status. Stored Field Status -
Check
Index. Status. Term Index Status -
Check
Index. Status. Term Vector Status -
Compound
File Reader -
Compound
File Reader. CSIndex Input -
Compound
File Writer -
Concurrent
Merge Scheduler -
Concurrent
Merge Scheduler. Merge Thread -
Corrupt
Index Exception -
Directory
Reader -
Documents
Writer -
Field
Info -
Field
Infos -
Field
Invert State -
Field
Reader Exception -
Field
Sorted Term Vector Mapper -
Fields
Reader -
Filter
Index Reader -
Filter
Index Reader. Filter Term Docs -
Filter
Index Reader. Filter Term Enum -
Filter
Index Reader. Filter Term Positions -
Index
Commit -
Index
Deletion Policy -
Index
File Deleter -
Index
File Name Filter -
Index
File Names -
Fields
- COMPOUND_EXTENSIONS
- COMPOUND_FILE_EXTENSION
- COMPOUND_FILE_STORE_EXTENSION
- DELETABLE
- FIELD_INFOS_EXTENSION
- FIELDS_EXTENSION
- FIELDS_INDEX_EXTENSION
- FREQ_EXTENSION
- GEN_EXTENSION
- INDEX_EXTENSIONS
- INDEX_EXTENSIONS_IN_COMPOUND_FILE
- NON_STORE_INDEX_EXTENSIONS
- NORMS_EXTENSION
- PLAIN_NORMS_EXTENSION
- PROX_EXTENSION
- SEGMENTS
- SEGMENTS_GEN
- SEPARATE_NORMS_EXTENSION
- STORE_INDEX_EXTENSIONS
- TERMS_EXTENSION
- TERMS_INDEX_EXTENSION
- VECTOR_EXTENSIONS
- VECTORS_DOCUMENTS_EXTENSION
- VECTORS_FIELDS_EXTENSION
- VECTORS_INDEX_EXTENSION
- Methods
-
Fields
-
Index
Reader - Constructors
- Fields
- Properties
-
Methods
-
Acquire
Write Lock - Clone
- Close
- Commit
-
Dec
Ref -
Delete
Document -
Delete
Documents - Directory
- Dispose
-
Doc
Freq -
Do
Close -
Do
Commit - Document
-
Do
Delete -
Do
Set Norm -
Do
Undelete All -
Ensure
Open - Flush
-
Get
Commit User Data -
Get
Current Version -
Get
Field Names -
Get
Sequential Sub Readers -
Get
Term Freq Vector -
Get
Term Freq Vectors -
Has
Norms -
Inc
Ref -
Index
Exists -
Is
Current -
Is
Deleted -
Is
Optimized -
Last
Modified -
List
Commits - Main
- Norms
-
Num
Docs - Open
- Reopen
-
Set
Norm -
Term
Docs -
Term
Positions - Terms
-
Undelete
All
-
Acquire
-
Index
Reader. Field Option -
Index
Writer - Constructors
- Fields
- Properties
-
Methods
-
Add
Document -
Add
Indexes -
Add
Indexes No Optimize - Close
- Commit
-
Delete
All -
Delete
Documents - Dispose
-
Do
After Flush -
Do
Before Flush -
Ensure
Open -
Expunge
Deletes - Flush
-
Get
Doc Count -
Get
Max Buffered Delete Terms -
Get
Max Buffered Docs -
Get
Max Field Length -
Get
RAMBuffer Size MB -
Get
Reader -
Has
Deletions -
Is
Locked -
Max
Doc -
Maybe
Merge -
Merge_For
NUnit - Message
-
Newest
Segment -
Num
Deleted Docs -
Num
Docs -
Num
Ram Docs - Optimize
-
Prepare
Commit -
Ram
Size In Bytes - Rollback
-
Seg
String -
Set
Info Stream -
Set
Max Buffered Delete Terms -
Set
Max Buffered Docs -
Set
Max Field Length -
Set
Merge Policy -
Set
Merge Scheduler -
Set
RAMBuffer Size MB -
Set
Similarity -
Test
Point - Unlock
-
Update
Document -
Wait
For Merges
-
Add
-
Index
Writer. Index Reader Warmer -
Index
Writer. Max Field Length -
ITerm
Freq Vector -
Keep
Only Last Commit Deletion Policy -
Log
Byte Size Merge Policy -
Log
Doc Merge Policy -
Log
Merge Policy -
Merge
Policy -
Merge
Policy. Merge Aborted Exception -
Merge
Policy. Merge Exception -
Merge
Policy. Merge Specification -
Merge
Policy. One Merge -
Merge
Scheduler -
Multiple
Term Positions -
Multi
Reader -
Parallel
Reader - Payload
-
Position
Based Term Vector Mapper -
Position
Based Term Vector Mapper. TVPosition Info -
Read
Only Directory Reader -
Read
Only Segment Reader -
Segment
Info -
Segment
Infos -
Segment
Infos. Find Segments File -
Segment
Merger -
Segment
Reader - Constructors
- Fields
- Properties
-
Methods
- Clone
-
Clone
Deleted Docs -
Clone
Norm Bytes - Directory
-
Doc
Freq -
Do
Close -
Do
Commit - Document
-
Do
Delete -
Do
Set Norm -
Do
Undelete All -
Field
Infos - Get
-
Get
Field Names -
Get
Norms -
Get
Only Segment Reader -
Get
Term Freq Vector -
Get
Term Freq Vectors -
Has
Norms -
Is
Deleted - Norms
-
Norms
Closed -
Num
Docs -
Term
Docs -
Term
Positions - Terms
-
Terms
Index Loaded
-
Segment
Reader. Core Readers -
Segment
Reader. Norm -
Segment
Reader. Ref -
Serial
Merge Scheduler -
Snapshot
Deletion Policy -
Sorted
Term Vector Mapper -
Stale
Reader Exception - Term
-
Term
Docs -
Term
Enum -
Term
Positions -
Term
Position Vector -
Term
Vector Entry -
Term
Vector Entry Freq Sorted Comparator -
Term
Vector Mapper -
Term
Vector Offset Info
-
Abstract
-
Lucene.
Net. Search -
Boolean
Clause -
Boolean
Query -
Boolean
Query. Boolean Weight -
Boolean
Query. Too Many Clauses -
Boolean
Scorer -
Byte
Parser -
Cache
Entry -
Caching
Span Filter -
Caching
Wrapper Filter -
Caching
Wrapper Filter. Deletes Mode - Collector
-
Complex
Explanation -
Constant
Score Query -
Constant
Score Query. Constant Scorer -
Constant
Score Query. Constant Weight -
Creation
Placeholder -
Default
Similarity -
Disjunction
Max Query -
Disjunction
Max Query. Disjunction Max Weight -
Doc
Id Set -
Doc
Id Set. Anonymous Class Doc Id Set -
Doc
Id Set. Anonymous Class Doc Id Set. Anonymous Class Doc Id Set Iterator -
Doc
Id Set Iterator -
Double
Parser - Explanation
-
Explanation.
IDFExplanation -
Field
Cache -
Field
Cache_Fields -
Field
Cache Range Filter - FieldCacheRangeFilter<T>
-
Field
Cache Terms Filter -
Field
Cache Terms Filter. Field Cache Terms Filter Doc Id Set -
Field
Cache Terms Filter. Field Cache Terms Filter Doc Id Set. Field Cache Terms Filter Doc Id Set Iterator -
Field
Comparator -
Field
Comparator. Byte Comparator -
Field
Comparator. Doc Comparator -
Field
Comparator. Double Comparator -
Field
Comparator. Float Comparator -
Field
Comparator. Int Comparator -
Field
Comparator. Long Comparator -
Field
Comparator. Relevance Comparator -
Field
Comparator. Short Comparator -
Field
Comparator. String Comparator Locale -
Field
Comparator. String Ord Val Comparator -
Field
Comparator. String Val Comparator -
Field
Comparator Source -
Field
Doc -
Field
Value Hit Queue -
Field
Value Hit Queue. Entry - Filter
-
Filtered
Doc Id Set -
Filtered
Doc Id Set Iterator -
Filtered
Query -
Filtered
Term Enum -
Filter
Manager -
Filter
Manager. Filter Cleaner -
Filter
Manager. Filter Item -
Float
Parser -
Fuzzy
Query -
Fuzzy
Query. Score Term -
Fuzzy
Term Enum -
Hit
Queue -
Index
Searcher -
Int
Parser -
Long
Parser -
Match
All Docs Query -
Multi
Phrase Query -
Multi
Searcher -
Multi
Term Query -
Multi
Term Query. Anonymous Class Constant Score Auto Rewrite -
Multi
Term Query. Constant Score Auto Rewrite - MultiTermQueryWrapperFilter<T>
-
Numeric
Range Filter - NumericRangeFilter<T>
-
Numeric
Range Query - NumericRangeQuery<T>
- Occur
-
Occur
Extensions -
Parallel
Multi Searcher - Parser
-
Phrase
Query -
Positive
Scores Only Collector -
Prefix
Filter -
Prefix
Query -
Prefix
Term Enum - Query
-
Query
Term Vector -
Query
Wrapper Filter -
Rewrite
Method -
Score
Caching Wrapping Scorer -
Score
Doc - Scorer
- Searchable
- Searcher
-
Short
Parser - Similarity
-
Similarity
Delegator -
Single
Term Enum - Sort
-
Sort
Field -
Span
Filter -
Span
Filter Result -
Span
Filter Result. Position Info -
Span
Filter Result. Start End -
Span
Query Filter -
String
Index -
Term
Query -
Term
Range Filter -
Term
Range Query -
Term
Range Term Enum -
Term
Scorer -
Time
Limiting Collector -
Time
Limiting Collector. Time Exceeded Exception -
Top
Docs - TopDocsCollector<T>
-
Top
Field Collector -
Top
Field Docs -
Top
Score Doc Collector - Weight
-
Wildcard
Query -
Wildcard
Term Enum
-
Boolean
-
Lucene.
Net. Search. Function -
Lucene.
Net. Store -
Already
Closed Exception -
Buffered
Index Input -
Buffered
Index Output -
Checksum
Index Input -
Checksum
Index Output - Directory
-
File
Switch Directory - FSDirectory
-
FSLock
Factory -
Index
Input -
Index
Output - Lock
-
Lock.
With -
Lock
Factory -
Lock
Obtain Failed Exception -
Lock
Release Failed Exception -
Lock
Stress Test -
Lock
Verify Server -
MMap
Directory -
MMap
Directory. Multi MMap Index Input -
Native
FSLock Factory - NIOFSDirectory
-
NIOFSDirectory.
NIOFSIndex Input -
No
Lock Factory -
No
Such Directory Exception - RAMDirectory
- RAMFile
-
RAMInput
Stream -
RAMOutput
Stream -
Simple
FSDirectory -
Simple
FSDirectory. Simple FSIndex Input -
Simple
FSDirectory. Simple FSIndex Input. Descriptor -
Simple
FSDirectory. Simple FSIndex Output -
Simple
FSLock Factory -
Single
Instance Lock Factory -
Verifying
Lock Factory
-
Already