Modifier and Type	Class and Description
private class	LongValueColumnImpl.LegacyLongValueBufferHolder Manages a common, shared extra page for long values.
private abstract class	LongValueColumnImpl.LongValueBufferHolder Manages secondary page buffers for long value writing.
private class	LongValueColumnImpl.UmapLongValueBufferHolder Manages the column usage maps for long values.

Modifier and Type	Field and Description
private static final int	LONG_VALUE_TYPE_MASK Mask to apply the long length in order to get the flag bits (only the first 2 bits are type flags).
private static final byte	LONG_VALUE_TYPE_OTHER_PAGE Long value (LVAL) type that indicates that the value is stored on another page
private static final byte	LONG_VALUE_TYPE_OTHER_PAGES Long value (LVAL) type that indicates that the value is stored on multiple other pages
private static final byte	LONG_VALUE_TYPE_THIS_PAGE Long value (LVAL) type that indicates that the value is stored on the same page
private LongValueColumnImpl.LongValueBufferHolder	lvalBufferH Holds additional info for writing long values
private int	maxLenInUnits

Access	Constructor and Description
pack-priv	LongValueColumnImpl(ColumnImpl.InitArgs args)

Modifier and Type	Method and Description
protected int	calcMaxLengthInUnits()
pack-priv void	collectUsageMapPages(Collection<Integer> pages) Overrides io.github.spannm.jackcess.impl.ColumnImpl.collectUsageMapPages.
protected final int	getMaxLengthInUnits()
public int	getOwnedPageCount() Overrides io.github.spannm.jackcess.impl.ColumnImpl.getOwnedPageCount. Returns the number of database pages owned by this column.
pack-priv void	postTableLoadInit() Overrides io.github.spannm.jackcess.impl.ColumnImpl.postTableLoadInit. Secondary column initialization after the table is fully loaded.
public Object	read(byte[] data, ByteOrder order) Overrides io.github.spannm.jackcess.impl.ColumnImpl.read. Deserialize a raw byte value for this column into an Object
private String	readLongStringValue(byte[] Column value that points to an LVAL record lvalDefinition) Returns: The LVAL data
protected byte[]	Returns: The LVAL data readLongValue(byte[] Column value that points to an LVAL record lvalDefinition) Returns the LVAL data.
pack-priv void	setUsageMaps(UsageMap ownedPages, UsageMap freeSpacePages) Overrides io.github.spannm.jackcess.impl.ColumnImpl.setUsageMaps. Sets the usage maps for this column.
protected ByteBuffer	Returns: A buffer containing the LVAL definition and (possibly) the column value (unless written to other pages) writeLongValue(byte[] Value of the LVAL column value, int remainingRowLength) Write an LVAL column into a ByteBuffer inline if it fits, otherwise in other data page(s).
protected ByteBuffer	writeRealData(Object obj, int remainingRowLength, ByteOrder order) Overrides io.github.spannm.jackcess.impl.ColumnImpl.writeRealData.

Field Detail

LONG_VALUE_TYPE_MASK	back to summary
private static final int LONG_VALUE_TYPE_MASK Mask to apply the long length in order to get the flag bits (only the first 2 bits are type flags).

LONG_VALUE_TYPE_OTHER_PAGE	back to summary
private static final byte LONG_VALUE_TYPE_OTHER_PAGE Long value (LVAL) type that indicates that the value is stored on another page

LONG_VALUE_TYPE_OTHER_PAGES	back to summary
private static final byte LONG_VALUE_TYPE_OTHER_PAGES Long value (LVAL) type that indicates that the value is stored on multiple other pages

LONG_VALUE_TYPE_THIS_PAGE	back to summary
private static final byte LONG_VALUE_TYPE_THIS_PAGE Long value (LVAL) type that indicates that the value is stored on the same page

lvalBufferH	back to summary
private LongValueColumnImpl.LongValueBufferHolder lvalBufferH Holds additional info for writing long values

maxLenInUnits	back to summary
private int maxLenInUnits

LongValueColumnImpl	back to summary
pack-priv LongValueColumnImpl(ColumnImpl.InitArgs args)

Method Detail

calcMaxLengthInUnits	back to summary
protected int calcMaxLengthInUnits()

collectUsageMapPages	back to summary
pack-priv void collectUsageMapPages(Collection<Integer> pages) Overrides io.github.spannm.jackcess.impl.ColumnImpl.collectUsageMapPages. Annotations @Override

collectUsageMapPages

back to summary

pack-priv void collectUsageMapPages(Collection<Integer> pages)

Overrides io.github.spannm.jackcess.impl.ColumnImpl.collectUsageMapPages.

Annotations

@Override

getMaxLengthInUnits	back to summary
protected final int getMaxLengthInUnits()

getOwnedPageCount	back to summary
public int getOwnedPageCount() Overrides io.github.spannm.jackcess.impl.ColumnImpl.getOwnedPageCount. Doc from io.github.spannm.jackcess.impl.ColumnImpl.getOwnedPageCount. Returns the number of database pages owned by this column. Annotations @Override

getOwnedPageCount

back to summary

public int getOwnedPageCount()

Overrides io.github.spannm.jackcess.impl.ColumnImpl.getOwnedPageCount.

Doc from io.github.spannm.jackcess.impl.ColumnImpl.getOwnedPageCount.

Returns the number of database pages owned by this column.

Annotations

@Override

postTableLoadInit	back to summary
pack-priv void postTableLoadInit() throws IOException Overrides io.github.spannm.jackcess.impl.ColumnImpl.postTableLoadInit. Doc from io.github.spannm.jackcess.impl.ColumnImpl.postTableLoadInit. Secondary column initialization after the table is fully loaded. Annotations @Override

postTableLoadInit

back to summary

pack-priv void postTableLoadInit() throws IOException

Overrides io.github.spannm.jackcess.impl.ColumnImpl.postTableLoadInit.

Doc from io.github.spannm.jackcess.impl.ColumnImpl.postTableLoadInit.

Secondary column initialization after the table is fully loaded.

Annotations

@Override

read	back to summary
public Object read(byte[] data, ByteOrder order) throws IOException Overrides io.github.spannm.jackcess.impl.ColumnImpl.read. Doc from io.github.spannm.jackcess.impl.ColumnImpl.read. Deserialize a raw byte value for this column into an Object Annotations @Override

read

back to summary

public Object read(byte[] data, ByteOrder order) throws IOException

Overrides io.github.spannm.jackcess.impl.ColumnImpl.read.

Doc from io.github.spannm.jackcess.impl.ColumnImpl.read.

Deserialize a raw byte value for this column into an Object

Annotations

@Override

readLongStringValue	back to summary
private String readLongStringValue(byte[] lvalDefinition) throws IOException Parameters lvalDefinition:byte[] Column value that points to an LVAL record Returns:String The LVAL data

readLongValue	back to summary
protected byte[] readLongValue(byte[] lvalDefinition) throws IOException Returns the LVAL data. Parameters lvalDefinition:byte[] Column value that points to an LVAL record Returns:byte[] The LVAL data

readLongValue

back to summary

protected byte[] readLongValue(byte[] lvalDefinition) throws IOException

Returns the LVAL data.

Parameters

lvalDefinition:byte[]: Column value that points to an LVAL record

Returns:byte[]

The LVAL data

setUsageMaps	back to summary
pack-priv void setUsageMaps(UsageMap ownedPages, UsageMap freeSpacePages) Overrides io.github.spannm.jackcess.impl.ColumnImpl.setUsageMaps. Doc from io.github.spannm.jackcess.impl.ColumnImpl.setUsageMaps. Sets the usage maps for this column. Annotations @Override

setUsageMaps

back to summary

pack-priv void setUsageMaps(UsageMap ownedPages, UsageMap freeSpacePages)

Overrides io.github.spannm.jackcess.impl.ColumnImpl.setUsageMaps.

Doc from io.github.spannm.jackcess.impl.ColumnImpl.setUsageMaps.

Sets the usage maps for this column.

Annotations

@Override

writeLongValue	back to summary
protected ByteBuffer writeLongValue(byte[] value, int remainingRowLength) throws IOException Write an LVAL column into a ByteBuffer inline if it fits, otherwise in other data page(s). Parameters value:byte[] Value of the LVAL column Returns:ByteBuffer A buffer containing the LVAL definition and (possibly) the column value (unless written to other pages)

writeLongValue

back to summary

protected ByteBuffer writeLongValue(byte[] value, int remainingRowLength) throws IOException

Write an LVAL column into a ByteBuffer inline if it fits, otherwise in other data page(s).

Parameters

value:byte[]: Value of the LVAL column

Returns:ByteBuffer

A buffer containing the LVAL definition and (possibly) the column value (unless written to other pages)

writeRealData	back to summary
protected ByteBuffer writeRealData(Object obj, int remainingRowLength, ByteOrder order) throws IOException Overrides io.github.spannm.jackcess.impl.ColumnImpl.writeRealData. Annotations @Override

writeRealData

back to summary

protected ByteBuffer writeRealData(Object obj, int remainingRowLength, ByteOrder order) throws IOException

Overrides io.github.spannm.jackcess.impl.ColumnImpl.writeRealData.

Annotations

@Override

io.github.spannm.jackcess.impl back to summary

private final Class LongValueColumnImpl.LegacyLongValueBufferHolder

Class Inheritance

extends LongValueBufferHolder

java.lang.Object
io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder
io.github.spannm.jackcess.impl.LongValueColumnImpl.LegacyLongValueBufferHolder

Manages a common, shared extra page for long values. This is legacy behavior from before it was understood that there were additional usage maps for each columns.

Constructor Summary

Access	Constructor and Description
private	LegacyLongValueBufferHolder()

Method Summary

Modifier and Type	Method and Description
protected TempPageHolder	getBufferHolder() Implements abstract io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder.getBufferHolder.

Inherited from io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder:: clear collectUsageMapPages findNewPage getLongValuePage getOwnedPageCount getPageNumber

Constructor Detail

LegacyLongValueBufferHolder	back to summary
private LegacyLongValueBufferHolder()

Method Detail

getBufferHolder	back to summary
protected TempPageHolder getBufferHolder() Implements abstract io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder.getBufferHolder. Annotations @Override

getBufferHolder

back to summary

protected TempPageHolder getBufferHolder()

Implements abstract io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder.getBufferHolder.

Annotations

@Override

io.github.spannm.jackcess.impl back to summary

private abstract Class LongValueColumnImpl.LongValueBufferHolder

Class Inheritance

extends Object

java.lang.Object
io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder

Known Direct Subclasses

io.github.spannm.jackcess.impl.LongValueColumnImpl.LegacyLongValueBufferHolder, io.github.spannm.jackcess.impl.LongValueColumnImpl.UmapLongValueBufferHolder

Manages secondary page buffers for long value writing.

Constructor Summary

Access	Constructor and Description
private	LongValueBufferHolder()

Method Summary

Modifier and Type	Method and Description
public void	clear() Discards the current the current long value data page.
public void	collectUsageMapPages(Collection<Integer> pages)
protected ByteBuffer	findNewPage(int dataLength)
protected abstract TempPageHolder	getBufferHolder()
public ByteBuffer	getLongValuePage(int dataLength) Returns a long value data page with space for data of the given length.
public int	getOwnedPageCount()
public int	getPageNumber() Returns the page number of the current long value data page.
private void	writeLongValueHeader(ByteBuffer lvalPage) Writes the header info for a long value page.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Constructor Detail

LongValueBufferHolder	back to summary
private LongValueBufferHolder()

Method Detail

clear	back to summary
public void clear() throws IOException Discards the current the current long value data page.

collectUsageMapPages	back to summary
public void collectUsageMapPages(Collection<Integer> pages)

findNewPage	back to summary
protected ByteBuffer findNewPage(int dataLength) throws IOException

getBufferHolder	back to summary
protected abstract TempPageHolder getBufferHolder()

getLongValuePage	back to summary
public ByteBuffer getLongValuePage(int dataLength) throws IOException Returns a long value data page with space for data of the given length.

getOwnedPageCount	back to summary
public int getOwnedPageCount()

getPageNumber	back to summary
public int getPageNumber() Returns the page number of the current long value data page.

writeLongValueHeader	back to summary
private void writeLongValueHeader(ByteBuffer lvalPage) Writes the header info for a long value page.

io.github.spannm.jackcess.impl back to summary

private final Class LongValueColumnImpl.UmapLongValueBufferHolder

Class Inheritance

extends LongValueBufferHolder

java.lang.Object
io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder
io.github.spannm.jackcess.impl.LongValueColumnImpl.UmapLongValueBufferHolder

Manages the column usage maps for long values.

Field Summary

Modifier and Type	Field and Description
private final UsageMap	freeSpacePages Usage map of pages that this column owns with free space on them
private final TempPageHolder	longValueBufferH page buffer used to write "long value" data
private final UsageMap	ownedPages Usage map of pages that this column owns

Constructor Summary

Access	Constructor and Description
private	UmapLongValueBufferHolder(UsageMap ownedPages, UsageMap freeSpacePages)

Method Summary

Modifier and Type	Method and Description
public void	clear() Overrides io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder.clear. Discards the current the current long value data page.
public void	collectUsageMapPages(Collection<Integer> pages) Overrides io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder.collectUsageMapPages.
protected ByteBuffer	findNewPage(int dataLength) Overrides io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder.findNewPage.
protected TempPageHolder	getBufferHolder() Implements abstract io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder.getBufferHolder.
public int	getOwnedPageCount() Overrides io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder.getOwnedPageCount.

Inherited from io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder:: getLongValuePage getPageNumber

Field Detail

freeSpacePages	back to summary
private final UsageMap freeSpacePages Usage map of pages that this column owns with free space on them

longValueBufferH	back to summary
private final TempPageHolder longValueBufferH page buffer used to write "long value" data

ownedPages	back to summary
private final UsageMap ownedPages Usage map of pages that this column owns

Constructor Detail

UmapLongValueBufferHolder	back to summary
private UmapLongValueBufferHolder(UsageMap ownedPages, UsageMap freeSpacePages)

Method Detail

clear	back to summary
public void clear() throws IOException Overrides io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder.clear. Doc from io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder.clear. Discards the current the current long value data page. Annotations @Override

clear

back to summary

public void clear() throws IOException

Overrides io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder.clear.

Doc from io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder.clear.

Discards the current the current long value data page.

Annotations

@Override

collectUsageMapPages	back to summary
public void collectUsageMapPages(Collection<Integer> pages) Overrides io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder.collectUsageMapPages. Annotations @Override

collectUsageMapPages

back to summary

public void collectUsageMapPages(Collection<Integer> pages)

Overrides io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder.collectUsageMapPages.

Annotations

@Override

findNewPage	back to summary
protected ByteBuffer findNewPage(int dataLength) throws IOException Overrides io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder.findNewPage. Annotations @Override

findNewPage

back to summary

protected ByteBuffer findNewPage(int dataLength) throws IOException

Overrides io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder.findNewPage.

Annotations

@Override

getBufferHolder	back to summary
protected TempPageHolder getBufferHolder() Implements abstract io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder.getBufferHolder. Annotations @Override

getBufferHolder

back to summary

protected TempPageHolder getBufferHolder()

Implements abstract io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder.getBufferHolder.

Annotations

@Override

getOwnedPageCount	back to summary
public int getOwnedPageCount() Overrides io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder.getOwnedPageCount. Annotations @Override

getOwnedPageCount

back to summary

public int getOwnedPageCount()

Overrides io.github.spannm.jackcess.impl.LongValueColumnImpl.LongValueBufferHolder.getOwnedPageCount.

Annotations

@Override

pack-priv Class LongValueColumnImpl

Nested and Inner Type Summary

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

private final Class LongValueColumnImpl.LegacyLongValueBufferHolder

Constructor Summary

Method Summary

Constructor Detail

Method Detail

private abstract Class LongValueColumnImpl.LongValueBufferHolder

Constructor Summary

Method Summary

Constructor Detail

Method Detail

private final Class LongValueColumnImpl.UmapLongValueBufferHolder

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail