67 static uint64_t
fileModified(
const String& directory,
const String& name);
106 virtual void sync(
const String& name);
#define LUCENE_CLASS(Name)
Definition LuceneObject.h:24
A Directory is a flat list of files. Files may be written once, when they are created....
Definition Directory.h:18
Base class for Directory implementations that store index files in the file system....
Definition FSDirectory.h:29
FSDirectory(const String &path, const LockFactoryPtr &lockFactory)
Create a new FSDirectory for the named location (ctor for subclasses).
virtual void sync(const String &name)
Ensure that any writes to this file are moved to stable storage. Lucene uses this to properly commit ...
bool checked
Definition FSDirectory.h:47
String getFile()
Return file system directory.
virtual void deleteFile(const String &name)
Removes an existing file in the directory.
virtual void close()
Closes the store to future operations.
void setReadChunkSize(int32_t chunkSize)
Sets the maximum number of bytes read at once from the underlying file during IndexInput#readBytes....
static const int32_t DEFAULT_READ_CHUNK_SIZE
Default read chunk size. This is a conditional default based on operating system.
Definition FSDirectory.h:44
virtual uint64_t fileModified(const String &name)
Returns the time the named file was last modified.
int32_t getReadChunkSize()
The maximum number of bytes to read at once from the underlying file during IndexInput#readBytes.
static uint64_t fileModified(const String &directory, const String &name)
Returns the time the named file was last modified.
static FSDirectoryPtr open(const String &path, const LockFactoryPtr &lockFactory)
Just like open(File), but allows you to also specify a custom LockFactory.
static HashSet< String > listAll(const String &dir)
Lists all files (not subdirectories) in the directory.
virtual void touchFile(const String &name)
Set the modified time of an existing file to now.
virtual bool fileExists(const String &name)
Returns true if a file with the given name exists.
String directory
The underlying filesystem directory.
Definition FSDirectory.h:50
virtual String getLockID()
Return a string identifier that uniquely differentiates this Directory instance from other Directory ...
void createDir()
Create file system directory.
virtual String toString()
For debug output.
virtual IndexInputPtr openInput(const String &name)
Returns a stream reading an existing file, with the specified read buffer size. The particular Direct...
void initOutput(const String &name)
Initializes the directory to create a new file with the given name. This method should be used in cre...
virtual int64_t fileLength(const String &name)
Returns the length in bytes of a file in the directory.
virtual IndexInputPtr openInput(const String &name, int32_t bufferSize)
Returns a stream reading an existing file, with the specified read buffer size. The particular Direct...
virtual HashSet< String > listAll()
Lists all files (not subdirectories) in the directory.
int32_t chunkSize
Definition FSDirectory.h:53
static FSDirectoryPtr open(const String &path)
Creates an FSDirectory instance.
Utility template class to handle hash set collections that can be safely copied and shared.
Definition HashSet.h:17
Definition AbstractAllTermDocs.h:12
boost::shared_ptr< FSDirectory > FSDirectoryPtr
Definition LuceneTypes.h:491
boost::shared_ptr< LockFactory > LockFactoryPtr
Definition LuceneTypes.h:497
boost::shared_ptr< IndexInput > IndexInputPtr
Definition LuceneTypes.h:493