Package com.arcadedb.engine

Class MutablePage

java.lang.Object

com.arcadedb.engine.BasePage

com.arcadedb.engine.MutablePage

All Implemented Interfaces:

TrackableContent

public class MutablePage
extends BasePage
implements TrackableContent

Mutable page that accepts updates. It keeps track of the modified bytes.

Field Summary

Fields inherited from class com.arcadedb.engine.BasePage

content, manager, PAGE_CONTENTSIZE_OFFSET, PAGE_HEADER_SIZE, PAGE_VERSION_OFFSET, pageId, version

Constructor Summary

Constructors

Constructor	Description
MutablePage(PageManager manager, PageId pageId, int size)
MutablePage(PageManager manager, PageId pageId, int size, byte[] array, int version, int contentSize)

Method Summary

Modifier and Type	Method	Description
int	getAvailableContentSize()
int[]	getModifiedRange()
TrackableBinary	getTrackable()
WALFile	getWALFile()
void	incrementVersion()
void	move(int startPosition, int destPosition, int length)
void	setWALFile(WALFile WALFile)
void	updateModifiedRange(int start, int end)
void	writeByte(int index, byte content)
void	writeByteArray(int index, byte[] content)
int	writeBytes(int index, byte[] content)
void	writeInt(int index, int content)
void	writeLong(int index, long content)
int	writeNumber(int index, long content)
void	writeShort(int index, short content)
int	writeString(int index, String content)
void	writeUnsignedInt(int index, long content)
void	writeUnsignedShort(int index, int content)

Methods inherited from class com.arcadedb.engine.BasePage

clearContent, createImmutableView, equals, getBufferPosition, getContent, getContentSize, getImmutableView, getLastAccessed, getMaxContentSize, getPageId, getPhysicalSize, getVersion, hashCode, loadMetadata, modify, readByte, readByteArray, readByteArray, readBytes, readBytes, readInt, readLong, readNumberAndSize, readShort, readString, readString, readUnsignedByte, readUnsignedInt, readUnsignedShort, setBufferPosition, setContentSize, slice, toString, updateLastAccesses, updateMetadata

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

MutablePage

public MutablePage(PageManager manager,
                   PageId pageId,
                   int size)

MutablePage

public MutablePage(PageManager manager,
                   PageId pageId,
                   int size,
                   byte[] array,
                   int version,
                   int contentSize)

Method Detail

getTrackable

public TrackableBinary getTrackable()

incrementVersion

public void incrementVersion()

writeNumber

public int writeNumber(int index,
                       long content)

writeLong

public void writeLong(int index,
                      long content)

writeInt

public void writeInt(int index,
                     int content)

writeUnsignedInt

public void writeUnsignedInt(int index,
                             long content)

writeShort

public void writeShort(int index,
                       short content)

writeUnsignedShort

public void writeUnsignedShort(int index,
                               int content)

writeByte

public void writeByte(int index,
                      byte content)

writeBytes

public int writeBytes(int index,
                      byte[] content)

writeByteArray

public void writeByteArray(int index,
                           byte[] content)

writeString

public int writeString(int index,
                       String content)

getAvailableContentSize

public int getAvailableContentSize()

Overrides:

getAvailableContentSize in class BasePage

getModifiedRange

public int[] getModifiedRange()

Specified by:

getModifiedRange in interface TrackableContent

updateModifiedRange

public void updateModifiedRange(int start,
                                int end)

Specified by:

updateModifiedRange in interface TrackableContent

getWALFile

public WALFile getWALFile()

setWALFile

public void setWALFile(WALFile WALFile)

move

public void move(int startPosition,
                 int destPosition,
                 int length)