io.github.whippetdb.db.internal

Class DbFile

java.lang.Object

io.github.whippetdb.memory.basic.DirectDataIO

io.github.whippetdb.memory.basic.SimpleFileDataIO

io.github.whippetdb.memory.basic.SimpleFileDataSpace

io.github.whippetdb.db.internal.DbFile

All Implemented Interfaces:

MemDataIO, MemDataSpace, MemIO, MemSpace

public class DbFile
extends SimpleFileDataSpace

Field Summary

Fields

Modifier and Type	Field and Description
static short	VERSION

Fields inherited from class io.github.whippetdb.memory.basic.SimpleFileDataIO

mapMode, persistent

Constructor Summary

Constructors

Constructor and Description
DbFile(java.lang.String path)
DbFile(java.lang.String path, Db.Type type, int align)

Method Summary

Modifier and Type	Method and Description
long	allocate(int len, boolean clear)
java.lang.String	defaultLogPath()
static java.lang.String	defaultLogPath(java.lang.String path)
int	getAlign()
long	getDbRoot()
Db.Type	getDbType()
int	getDbVersion()
long	getRecordedSize()
int	getVersion()
void	mergeLogs(java.lang.String... paths)
long	recordedSizeAddr()
void	resume()
void	setDbRoot(long addr)
void	setDbVersion(int v)
void	setRecordedSize(long v)

Methods inherited from class io.github.whippetdb.memory.basic.SimpleFileDataSpace

allocatedSize, setSize

Methods inherited from class io.github.whippetdb.memory.basic.SimpleFileDataIO

close, ensureSize, file, flush, rename, toString

Methods inherited from class io.github.whippetdb.memory.basic.DirectDataIO

fillByte, fillLong, read, read, read, readByte, readBytes, readBytes, readInt, readLong, readShort, readString, write, write, write, write, writeByte, writeBytes, writeBytes, writeInt, writeLong, writeShort

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface io.github.whippetdb.memory.api.MemDataIO

equals, fillLong, readBytes, readBytes, readInt, readLong, readShort, writeBytes, writeBytes, writeInt, writeLong, writeShort

Methods inherited from interface io.github.whippetdb.memory.api.MemIO

compareTo, equals, fillByte, read, read, read, readByte, readString, toString, write, write, write, write, write, writeByte

Field Detail

VERSION

public static final short VERSION

See Also:

Constant Field Values

Constructor Detail

DbFile

public DbFile(java.lang.String path,
              Db.Type type,
              int align)
       throws java.io.IOException

Throws:

java.io.IOException

DbFile

public DbFile(java.lang.String path)
       throws java.io.IOException

Throws:

java.io.IOException

Method Detail

defaultLogPath

public static java.lang.String defaultLogPath(java.lang.String path)

defaultLogPath

public java.lang.String defaultLogPath()

getVersion

public int getVersion()

getAlign

public int getAlign()

getDbType

public Db.Type getDbType()

getDbVersion

public int getDbVersion()

setDbVersion

public void setDbVersion(int v)

getDbRoot

public long getDbRoot()

setDbRoot

public void setDbRoot(long addr)

getRecordedSize

public long getRecordedSize()

setRecordedSize

public void setRecordedSize(long v)

recordedSizeAddr

public final long recordedSizeAddr()

mergeLogs

public void mergeLogs(java.lang.String... paths)
               throws java.io.IOException

Throws:

java.io.IOException

resume

public void resume()

allocate

public long allocate(int len,
                     boolean clear)

Specified by:

allocate in interface MemSpace

Overrides:

allocate in class SimpleFileDataSpace