com.healthmarketscience.jackcess.impl

Class CalculatedColumnUtil.CalcMemoColImpl

java.lang.Object

com.healthmarketscience.jackcess.impl.ColumnImpl

com.healthmarketscience.jackcess.impl.LongValueColumnImpl

com.healthmarketscience.jackcess.impl.MemoColumnImpl

com.healthmarketscience.jackcess.impl.CalculatedColumnUtil.CalcMemoColImpl

All Implemented Interfaces:

Column, java.lang.Comparable<ColumnImpl>

Enclosing class:

CalculatedColumnUtil

private static class CalculatedColumnUtil.CalcMemoColImpl
extends MemoColumnImpl

Calculated MEMO column implementation.

Nested Class Summary

Nested classes/interfaces inherited from class com.healthmarketscience.jackcess.impl.ColumnImpl

ColumnImpl.AutoNumberGenerator, ColumnImpl.InitArgs, ColumnImpl.SortOrder

Field Summary

Fields inherited from class com.healthmarketscience.jackcess.impl.ColumnImpl

AUTO_NUMBER_FLAG_MASK, AUTO_NUMBER_GUID_FLAG_MASK, COMPRESSED_UNICODE_EXT_FLAG_MASK, FIXED_LEN_FLAG_MASK, GENERAL_LEGACY_SORT_ORDER, GENERAL_SORT_ORDER, HYPERLINK_FLAG_MASK, INVALID_AUTO_NUMBER, LOG, MILLIS_BETWEEN_EPOCH_AND_1900, NUMERIC_NEGATIVE_BYTE, RETURN_ROW_ID, UNKNOWN_FLAG_MASK

Fields inherited from interface com.healthmarketscience.jackcess.Column

AUTO_NUMBER, KEEP_VALUE

Constructor Summary

Constructors

Constructor and Description
CalcMemoColImpl(ColumnImpl.InitArgs args)

Method Summary

Modifier and Type	Method and Description
protected int	getMaxLengthInUnits()
protected byte[]	readLongValue(byte[] lvalDefinition)
protected java.nio.ByteBuffer	writeLongValue(byte[] value, int remainingRowLength) Write an LVAL column into a ByteBuffer inline if it fits, otherwise in other data page(s).

Methods inherited from class com.healthmarketscience.jackcess.impl.MemoColumnImpl

getTextCodePage, getTextSortOrder, getVersionHistoryColumn, isCompressedUnicode, isHyperlink, setVersionHistoryColumn

Methods inherited from class com.healthmarketscience.jackcess.impl.LongValueColumnImpl

getOwnedPageCount, postTableLoadInit, read, setUsageMaps, writeRealData

Methods inherited from class com.healthmarketscience.jackcess.impl.ColumnImpl

booleanToInteger, compareTo, countVariableLength, create, decodeTextValue, decodeUncompressedText, encodeTextValue, encodeUncompressedText, fromDateDouble, fromLocalDateDouble, getAutoNumberGenerator, getCalendar, getCharset, getColumnIndex, getColumnNumber, getColumnValidator, getComplexInfo, getDatabase, getDisplayIndex, getFixedDataOffset, getFormat, getLength, getLengthInUnits, getName, getOriginalDataType, getPageChannel, getPrecision, getProperties, getRowValue, getRowValue, getScale, getSQLType, getTable, getType, getVarLenTableIndex, isAppendOnly, isAutoNumber, isCalculated, isGUIDValue, isImmutableValue, isRawData, isVariableLength, rawDataWrapper, read, readCodePage, readExtraFlags, readFromNullMask, readSortOrder, setColumnIndex, setColumnValidator, setRowValue, setRowValue, storeInNullMask, toBigDecimal, toBigDecimal, toBooleanValue, toByteArray, toCharSequence, toDateDouble, toInternalValue, toLocalDateDouble, toString, toUnscaledByteArray, validate, withErrorContext, write, write, writeDefinitions, writeFixedLengthField, writeFixedLengthField, writeToNullMask

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

CalcMemoColImpl

CalcMemoColImpl(ColumnImpl.InitArgs args)
         throws java.io.IOException

Throws:

java.io.IOException

Method Detail

getMaxLengthInUnits

protected int getMaxLengthInUnits()

Overrides:

getMaxLengthInUnits in class LongValueColumnImpl

readLongValue

protected byte[] readLongValue(byte[] lvalDefinition)
                        throws java.io.IOException

Overrides:

readLongValue in class LongValueColumnImpl

Parameters:

lvalDefinition - Column value that points to an LVAL record

Returns:

The LVAL data

Throws:

java.io.IOException

writeLongValue

protected java.nio.ByteBuffer writeLongValue(byte[] value,
                                             int remainingRowLength)
                                      throws java.io.IOException

Description copied from class: LongValueColumnImpl

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

Overrides:

writeLongValue in class LongValueColumnImpl

Parameters:

value - Value of the LVAL column

Returns:

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

Throws:

java.io.IOException