Top Description Inners Fields Constructors Methods

io.github.spannm.jackcess.impl

pack-priv final Class CalculatedColumnUtil

Class Inheritance

extends Object

java.lang.Object
io.github.spannm.jackcess.impl.CalculatedColumnUtil

Imports

io.github.spannm.jackcess.InvalidValueException, java.io.IOException, java.math.BigDecimal, java.nio.ByteBuffer, .ByteOrder

Utility code for dealing with calculated columns.

These are the currently possible calculated types: FLOAT, DOUBLE, INT, LONG, BIG_INT, GUID, SHORT_DATE_TIME, MONEY, BOOLEAN, NUMERIC, TEXT, MEMO.

Nested and Inner Type Summary

Modifier and Type	Class and Description
private static class	CalculatedColumnUtil.CalcBooleanColImpl Calculated BOOLEAN column implementation.
private static class	CalculatedColumnUtil.CalcColImpl General calculated column implementation.
private static class	CalculatedColumnUtil.CalcMemoColImpl Calculated MEMO column implementation.
private static class	CalculatedColumnUtil.CalcNumericColImpl Calculated NUMERIC column implementation.
private static class	CalculatedColumnUtil.CalcTextColImpl Calculated TEXT column implementation.

Field Summary

Modifier and Type	Field and Description
private static final byte[]	CALC_BOOL_FALSE
private static final byte[]	CALC_BOOL_TRUE
private static final int	CALC_DATA_LEN_OFFSET
private static final int	CALC_DATA_OFFSET
pack-priv static final short	CALC_EXTRA_DATA_LEN
pack-priv static final short	CALC_FIXED_FIELD_LEN

Constructor Summary

Access	Constructor and Description
private	CalculatedColumnUtil()

Method Summary

Modifier and Type	Method and Description
pack-priv static ColumnImpl	create(ColumnImpl.InitArgs column construction info args) Creates the appropriate ColumnImpl class for a calculated column and reads a column definition in from a buffer
private static ByteBuffer	prepareWrappedCalcValue(int dataLen, ByteOrder order) Prepares a calculated value buffer for data of the given length.
private static byte[]	unwrapCalculatedValue(byte[] data) Grabs the real data bytes from a calculated value.
private static byte[]	wrapCalculatedValue(byte[] data) Wraps the given data bytes with the extra calculated value data and returns a new byte[] containing the final data.

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

Field Detail

CALC_BOOL_FALSE	back to summary
private static final byte[] CALC_BOOL_FALSE

CALC_BOOL_TRUE	back to summary
private static final byte[] CALC_BOOL_TRUE

CALC_DATA_LEN_OFFSET	back to summary
private static final int CALC_DATA_LEN_OFFSET

CALC_DATA_OFFSET	back to summary
private static final int CALC_DATA_OFFSET

CALC_EXTRA_DATA_LEN	back to summary
pack-priv static final short CALC_EXTRA_DATA_LEN

CALC_FIXED_FIELD_LEN	back to summary
pack-priv static final short CALC_FIXED_FIELD_LEN

Constructor Detail

CalculatedColumnUtil	back to summary
private CalculatedColumnUtil()

Method Detail

create	back to summary
pack-priv static ColumnImpl create(ColumnImpl.InitArgs args) Creates the appropriate ColumnImpl class for a calculated column and reads a column definition in from a buffer Parameters args:ColumnImpl.InitArgs column construction info

create

back to summary

pack-priv static ColumnImpl create(ColumnImpl.InitArgs args)

Creates the appropriate ColumnImpl class for a calculated column and reads a column definition in from a buffer

Parameters

args:ColumnImpl.InitArgs: column construction info

prepareWrappedCalcValue	back to summary
private static ByteBuffer prepareWrappedCalcValue(int dataLen, ByteOrder order) Prepares a calculated value buffer for data of the given length.

unwrapCalculatedValue	back to summary
private static byte[] unwrapCalculatedValue(byte[] data) Grabs the real data bytes from a calculated value.

wrapCalculatedValue	back to summary
private static byte[] wrapCalculatedValue(byte[] data) Wraps the given data bytes with the extra calculated value data and returns a new byte[] containing the final data.

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

private Class CalculatedColumnUtil.CalcBooleanColImpl

Class Inheritance

extends ColumnImpl

java.lang.Object
io.github.spannm.jackcess.impl.ColumnImpl
io.github.spannm.jackcess.impl.CalculatedColumnUtil.CalcBooleanColImpl

Calculated BOOLEAN column implementation.

Field Summary

Modifier and Type	Field and Description
private CalcColEvalContext	calcCol

Constructor Summary

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

Method Summary

Modifier and Type	Method and Description
protected CalcColEvalContext	getCalculationContext() Overrides io.github.spannm.jackcess.impl.ColumnImpl.getCalculationContext. Returns the context used to manage calculated column values.
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
protected void	setCalcColEvalContext(CalcColEvalContext newCalcCol) Overrides io.github.spannm.jackcess.impl.ColumnImpl.setCalcColEvalContext.
public boolean	storeInNullMask() Overrides io.github.spannm.jackcess.impl.ColumnImpl.storeInNullMask.
protected ByteBuffer	writeRealData(Object obj, int remainingRowLength, ByteOrder order) Overrides io.github.spannm.jackcess.impl.ColumnImpl.writeRealData.

Inherited from io.github.spannm.jackcess.impl.ColumnImpl:: booleanToInteger calcLengthInUnits collectUsageMapPages compareTo countVariableLength create decodeTextValue decodeUncompressedText encodeTextValue encodeUncompressedText fromDateDouble fromLocalDateDouble generateDefaultValue getAutoNumberGenerator getCharset getColumnId getColumnIndex getColumnNumber getColumnValidator getComplexInfo getDatabase getDateTimeFactory getDateTimeFactory getDisplayIndex getFixedDataOffset getFixedDataSize getFormat getLength getLengthInUnits getName getOriginalDataType getOwnedPageCount getPageChannel getPrecision getProperties getRowValue getRowValue getScale getSQLType getTable getTextCodePage getTextSortOrder getTimeZone getType getVarLenTableIndex getVersionHistoryColumn getZoneId initColumnValidator isAppendOnly isAutoNumber isCalculated isComplexValueForeignKey isCompressedUnicode isGUIDValue isHyperlink isImmutableValue isRawData isThisColumn isVariableLength ldtFromLocalDateDouble postTableLoadInit propertiesUpdated rawDataWrapper read readCodePage readExtraFlags readFromNullMask readSortOrder reloadPropertiesValidators setColumnIndex setColumnValidator setRowValue setRowValue setUsageMaps setVersionHistoryColumn toBigDecimal toBigDecimal toBigDecimal toBooleanValue toByteArray toCharSequence toDateDouble toDateDouble toInternalValue toInternalValue toLocalDateDouble toLocalDateTime toString toUnscaledByteArray validate withErrorContext write write writeColUsageMapDefinition writeColUsageMapDefinitions writeDefinition writeDefinitions writeFixedLengthField writeFixedLengthField writeToNullMask

Field Detail

calcCol	back to summary
private CalcColEvalContext calcCol

Constructor Detail

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

Method Detail

getCalculationContext	back to summary
protected CalcColEvalContext getCalculationContext() Overrides io.github.spannm.jackcess.impl.ColumnImpl.getCalculationContext. Doc from io.github.spannm.jackcess.impl.ColumnImpl.getCalculationContext. Returns the context used to manage calculated column values. Annotations @Override

getCalculationContext

back to summary

protected CalcColEvalContext getCalculationContext()

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

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

Returns the context used to manage calculated column values.

Annotations

@Override

read	back to summary
public Object read(byte[] data, ByteOrder order) 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)

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

setCalcColEvalContext	back to summary
protected void setCalcColEvalContext(CalcColEvalContext newCalcCol) Overrides io.github.spannm.jackcess.impl.ColumnImpl.setCalcColEvalContext. Annotations @Override

setCalcColEvalContext

back to summary

protected void setCalcColEvalContext(CalcColEvalContext newCalcCol)

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

Annotations

@Override

storeInNullMask	back to summary
public boolean storeInNullMask() Overrides io.github.spannm.jackcess.impl.ColumnImpl.storeInNullMask. Annotations @Override

storeInNullMask

back to summary

public boolean storeInNullMask()

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

Annotations

@Override

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

writeRealData

back to summary

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

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

Annotations

@Override

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

private Class CalculatedColumnUtil.CalcColImpl

Class Inheritance

extends ColumnImpl

java.lang.Object
io.github.spannm.jackcess.impl.ColumnImpl
io.github.spannm.jackcess.impl.CalculatedColumnUtil.CalcColImpl

General calculated column implementation.

Field Summary

Modifier and Type	Field and Description
private CalcColEvalContext	calcCol

Constructor Summary

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

Method Summary

Modifier and Type	Method and Description
protected CalcColEvalContext	getCalculationContext() Overrides io.github.spannm.jackcess.impl.ColumnImpl.getCalculationContext. Returns the context used to manage calculated column values.
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
protected void	setCalcColEvalContext(CalcColEvalContext newCalcCol) Overrides io.github.spannm.jackcess.impl.ColumnImpl.setCalcColEvalContext.
protected ByteBuffer	writeRealData(Object obj, int remainingRowLength, ByteOrder order) Overrides io.github.spannm.jackcess.impl.ColumnImpl.writeRealData.

Inherited from io.github.spannm.jackcess.impl.ColumnImpl:: booleanToInteger calcLengthInUnits collectUsageMapPages compareTo countVariableLength create decodeTextValue decodeUncompressedText encodeTextValue encodeUncompressedText fromDateDouble fromLocalDateDouble generateDefaultValue getAutoNumberGenerator getCharset getColumnId getColumnIndex getColumnNumber getColumnValidator getComplexInfo getDatabase getDateTimeFactory getDateTimeFactory getDisplayIndex getFixedDataOffset getFixedDataSize getFormat getLength getLengthInUnits getName getOriginalDataType getOwnedPageCount getPageChannel getPrecision getProperties getRowValue getRowValue getScale getSQLType getTable getTextCodePage getTextSortOrder getTimeZone getType getVarLenTableIndex getVersionHistoryColumn getZoneId initColumnValidator isAppendOnly isAutoNumber isCalculated isComplexValueForeignKey isCompressedUnicode isGUIDValue isHyperlink isImmutableValue isRawData isThisColumn isVariableLength ldtFromLocalDateDouble postTableLoadInit propertiesUpdated rawDataWrapper read readCodePage readExtraFlags readFromNullMask readSortOrder reloadPropertiesValidators setColumnIndex setColumnValidator setRowValue setRowValue setUsageMaps setVersionHistoryColumn storeInNullMask toBigDecimal toBigDecimal toBigDecimal toBooleanValue toByteArray toCharSequence toDateDouble toDateDouble toInternalValue toInternalValue toLocalDateDouble toLocalDateTime toString toUnscaledByteArray validate withErrorContext write write writeColUsageMapDefinition writeColUsageMapDefinitions writeDefinition writeDefinitions writeFixedLengthField writeFixedLengthField writeToNullMask

Field Detail

calcCol	back to summary
private CalcColEvalContext calcCol

Constructor Detail

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

Method Detail

getCalculationContext	back to summary
protected CalcColEvalContext getCalculationContext() Overrides io.github.spannm.jackcess.impl.ColumnImpl.getCalculationContext. Doc from io.github.spannm.jackcess.impl.ColumnImpl.getCalculationContext. Returns the context used to manage calculated column values. Annotations @Override

getCalculationContext

back to summary

protected CalcColEvalContext getCalculationContext()

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

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

Returns the context used to manage calculated column values.

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

setCalcColEvalContext	back to summary
protected void setCalcColEvalContext(CalcColEvalContext newCalcCol) Overrides io.github.spannm.jackcess.impl.ColumnImpl.setCalcColEvalContext. Annotations @Override

setCalcColEvalContext

back to summary

protected void setCalcColEvalContext(CalcColEvalContext newCalcCol)

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

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

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 Class CalculatedColumnUtil.CalcMemoColImpl

Class Inheritance

extends MemoColumnImpl

java.lang.Object
io.github.spannm.jackcess.impl.ColumnImpl
io.github.spannm.jackcess.impl.LongValueColumnImpl
io.github.spannm.jackcess.impl.MemoColumnImpl
io.github.spannm.jackcess.impl.CalculatedColumnUtil.CalcMemoColImpl

Calculated MEMO column implementation.

Field Summary

Modifier and Type	Field and Description
private CalcColEvalContext	calcCol

Constructor Summary

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

Method Summary

Modifier and Type	Method and Description
protected int	calcMaxLengthInUnits() Overrides io.github.spannm.jackcess.impl.LongValueColumnImpl.calcMaxLengthInUnits.
protected CalcColEvalContext	getCalculationContext() Overrides io.github.spannm.jackcess.impl.ColumnImpl.getCalculationContext. Returns the context used to manage calculated column values.
protected byte[]	readLongValue(byte[] lvalDefinition) Overrides io.github.spannm.jackcess.impl.LongValueColumnImpl.readLongValue. Returns the LVAL data.
protected void	setCalcColEvalContext(CalcColEvalContext newCalcCol) Overrides io.github.spannm.jackcess.impl.ColumnImpl.setCalcColEvalContext.
protected ByteBuffer	writeLongValue(byte[] value, int remainingRowLength) Overrides io.github.spannm.jackcess.impl.LongValueColumnImpl.writeLongValue. Write an LVAL column into a ByteBuffer inline if it fits, otherwise in other data page(s).

Inherited from io.github.spannm.jackcess.impl.MemoColumnImpl:: getTextCodePage getTextSortOrder getVersionHistoryColumn isCompressedUnicode isHyperlink setVersionHistoryColumn

Field Detail

calcCol	back to summary
private CalcColEvalContext calcCol

Constructor Detail

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

Method Detail

calcMaxLengthInUnits	back to summary
protected int calcMaxLengthInUnits() Overrides io.github.spannm.jackcess.impl.LongValueColumnImpl.calcMaxLengthInUnits. Annotations @Override

calcMaxLengthInUnits

back to summary

protected int calcMaxLengthInUnits()

Overrides io.github.spannm.jackcess.impl.LongValueColumnImpl.calcMaxLengthInUnits.

Annotations

@Override

getCalculationContext	back to summary
protected CalcColEvalContext getCalculationContext() Overrides io.github.spannm.jackcess.impl.ColumnImpl.getCalculationContext. Doc from io.github.spannm.jackcess.impl.ColumnImpl.getCalculationContext. Returns the context used to manage calculated column values. Annotations @Override

getCalculationContext

back to summary

protected CalcColEvalContext getCalculationContext()

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

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

Returns the context used to manage calculated column values.

Annotations

@Override

readLongValue	back to summary
protected byte[] readLongValue(byte[] lvalDefinition) throws IOException Overrides io.github.spannm.jackcess.impl.LongValueColumnImpl.readLongValue. Doc from io.github.spannm.jackcess.impl.LongValueColumnImpl.readLongValue. Returns the LVAL data. Annotations @Override

readLongValue

back to summary

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

Overrides io.github.spannm.jackcess.impl.LongValueColumnImpl.readLongValue.

Doc from io.github.spannm.jackcess.impl.LongValueColumnImpl.readLongValue.

Returns the LVAL data.

Annotations

@Override

setCalcColEvalContext	back to summary
protected void setCalcColEvalContext(CalcColEvalContext newCalcCol) Overrides io.github.spannm.jackcess.impl.ColumnImpl.setCalcColEvalContext. Annotations @Override

setCalcColEvalContext

back to summary

protected void setCalcColEvalContext(CalcColEvalContext newCalcCol)

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

Annotations

@Override

writeLongValue	back to summary
protected ByteBuffer writeLongValue(byte[] value, int remainingRowLength) throws IOException Overrides io.github.spannm.jackcess.impl.LongValueColumnImpl.writeLongValue. Doc from io.github.spannm.jackcess.impl.LongValueColumnImpl.writeLongValue. Write an LVAL column into a ByteBuffer inline if it fits, otherwise in other data page(s). Annotations @Override

writeLongValue

back to summary

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

Overrides io.github.spannm.jackcess.impl.LongValueColumnImpl.writeLongValue.

Doc from io.github.spannm.jackcess.impl.LongValueColumnImpl.writeLongValue.

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

Annotations

@Override

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

private Class CalculatedColumnUtil.CalcNumericColImpl

Class Inheritance

extends NumericColumnImpl

java.lang.Object
io.github.spannm.jackcess.impl.ColumnImpl
io.github.spannm.jackcess.impl.NumericColumnImpl
io.github.spannm.jackcess.impl.CalculatedColumnUtil.CalcNumericColImpl

Calculated NUMERIC column implementation.

Field Summary

Modifier and Type	Field and Description
private CalcColEvalContext	calcCol

Constructor Summary

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

Method Summary

Modifier and Type	Method and Description
private static void	fixNumericByteOrder(byte[] bytes) Hides io.github.spannm.jackcess.impl.ColumnImpl.fixNumericByteOrder. Swaps the bytes of the given numeric in place.
protected CalcColEvalContext	getCalculationContext() Overrides io.github.spannm.jackcess.impl.ColumnImpl.getCalculationContext. Returns the context used to manage calculated column values.
public byte	getPrecision() Overrides io.github.spannm.jackcess.impl.NumericColumnImpl.getPrecision. Implements io.github.spannm.jackcess.Column.getPrecision. Returns the numeric precision of this column (only meaningful for DataTypes NUMERIC and MONEY).
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 static BigDecimal	readCalcNumericValue(ByteBuffer buffer)
protected void	setCalcColEvalContext(CalcColEvalContext newCalcCol) Overrides io.github.spannm.jackcess.impl.ColumnImpl.setCalcColEvalContext.
private static int	toMul4(int val)
private void	writeCalcNumericValue(ByteBuffer buffer, Object value, int dataLen)
protected ByteBuffer	writeRealData(Object obj, int remainingRowLength, ByteOrder order) Overrides io.github.spannm.jackcess.impl.ColumnImpl.writeRealData.

Inherited from io.github.spannm.jackcess.impl.NumericColumnImpl:: getScale

Field Detail

calcCol	back to summary
private CalcColEvalContext calcCol

Constructor Detail

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

Method Detail

fixNumericByteOrder	back to summary
private static void fixNumericByteOrder(byte[] bytes) Hides io.github.spannm.jackcess.impl.ColumnImpl.fixNumericByteOrder. Doc from io.github.spannm.jackcess.impl.ColumnImpl.fixNumericByteOrder. Swaps the bytes of the given numeric in place.

fixNumericByteOrder

back to summary

private static void fixNumericByteOrder(byte[] bytes)

Hides io.github.spannm.jackcess.impl.ColumnImpl.fixNumericByteOrder.

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

Swaps the bytes of the given numeric in place.

getCalculationContext

back to summary

protected CalcColEvalContext getCalculationContext()

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

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

Returns the context used to manage calculated column values.

Annotations

@Override

getPrecision

back to summary

public byte getPrecision()

Overrides io.github.spannm.jackcess.impl.NumericColumnImpl.getPrecision.

Implements io.github.spannm.jackcess.Column.getPrecision.

Doc from io.github.spannm.jackcess.Column.getPrecision.

Returns the numeric precision of this column (only meaningful for DataTypes NUMERIC and MONEY).

Annotations

@Override

read

back to summary

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

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

readCalcNumericValue	back to summary
private static BigDecimal readCalcNumericValue(ByteBuffer buffer)

setCalcColEvalContext

back to summary

protected void setCalcColEvalContext(CalcColEvalContext newCalcCol)

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

Annotations

@Override

toMul4	back to summary
private static int toMul4(int val)

writeCalcNumericValue	back to summary
private void writeCalcNumericValue(ByteBuffer buffer, Object value, int dataLen) throws IOException

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 Class CalculatedColumnUtil.CalcTextColImpl

Class Inheritance

extends TextColumnImpl

java.lang.Object
io.github.spannm.jackcess.impl.ColumnImpl
io.github.spannm.jackcess.impl.TextColumnImpl
io.github.spannm.jackcess.impl.CalculatedColumnUtil.CalcTextColImpl

Calculated TEXT column implementation.

Field Summary

Modifier and Type	Field and Description
private CalcColEvalContext	calcCol

Constructor Summary

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

Method Summary

Modifier and Type	Method and Description
protected int	calcLengthInUnits() Overrides io.github.spannm.jackcess.impl.ColumnImpl.calcLengthInUnits.
protected CalcColEvalContext	getCalculationContext() Overrides io.github.spannm.jackcess.impl.ColumnImpl.getCalculationContext. Returns the context used to manage calculated column values.
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
protected void	setCalcColEvalContext(CalcColEvalContext newCalcCol) Overrides io.github.spannm.jackcess.impl.ColumnImpl.setCalcColEvalContext.
private static ByteBuffer	wrapCalculatedValue(ByteBuffer buffer) Wraps the given data bytes with the extra calculated value data and returns a new ByteBuffer containing the final data.
protected ByteBuffer	writeRealData(Object obj, int remainingRowLength, ByteOrder order) Overrides io.github.spannm.jackcess.impl.ColumnImpl.writeRealData.

Inherited from io.github.spannm.jackcess.impl.TextColumnImpl:: getTextCodePage getTextSortOrder isCompressedUnicode

Field Detail

calcCol	back to summary
private CalcColEvalContext calcCol

Constructor Detail

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

Method Detail

calcLengthInUnits

back to summary

protected int calcLengthInUnits()

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

Annotations

@Override

getCalculationContext

back to summary

protected CalcColEvalContext getCalculationContext()

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

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

Returns the context used to manage calculated column values.

Annotations

@Override

read

back to summary

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

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

setCalcColEvalContext

back to summary

protected void setCalcColEvalContext(CalcColEvalContext newCalcCol)

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

Annotations

@Override

wrapCalculatedValue	back to summary
private static ByteBuffer wrapCalculatedValue(ByteBuffer buffer) Wraps the given data bytes with the extra calculated value data and returns a new ByteBuffer containing the final data.

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