Jackcess 5.2.0 · io.github.spannm.jackcess.impl.JetFormat

Modifier and Type	Class and Description
public static enum	JetFormat.CodecType
private static class	JetFormat.Jet12Format
private static class	JetFormat.Jet14Format
private static class	JetFormat.Jet16Format
private static class	JetFormat.Jet17Format
private static class	JetFormat.Jet3Format
private static class	JetFormat.Jet4Format
private static class	JetFormat.MSISAMFormat
private static class	JetFormat.PossibleFileFormats

Field Summary

Modifier and Type	Field and Description
private static final String	ACCESS_VERSION_2000 value of the "AccessVersion" property for access 2000 dbs: `"08.50"`
private static final String	ACCESS_VERSION_2003 value of the "AccessVersion" property for access 2002/2003 dbs `"09.50"`
private static final byte[]	BASE_HEADER_MASK mask used to obfuscate the db header
public final Charset	CHARSET
private static final byte	CODE_VERSION_12 Version code for Jet version 12.0
private static final byte	CODE_VERSION_14 Version code for Jet version 14.0
private static final byte	CODE_VERSION_16 Version code for Jet version 16.0
private static final byte	CODE_VERSION_17 Version code for Jet version 17.0
private static final byte	CODE_VERSION_3 Version code for Jet version 3
private static final byte	CODE_VERSION_4 Version code for Jet version 4
public final JetFormat.CodecType	CODEC_TYPE type of page encoding supported
public final int	DATA_PAGE_INITIAL_FREE_SPACE
public final ColumnImpl.SortOrder	DEFAULT_SORT_ORDER
private static final int	HEADER_LENGTH amount of initial data to be read to determine database type
public final byte[]	HEADER_MASK
public final boolean	INDEXES_SUPPORTED whether or not we can use indexes in this format
public final boolean	LEGACY_NUMERIC_INDEXES
public static final int	LENGTH_ENGINE_NAME length of the engine name in the header
public final int	MAX_COLUMN_NAME_LENGTH
public final int	MAX_COLUMNS_PER_TABLE
public final int	MAX_COMPRESSED_UNICODE_SIZE
public final long	MAX_DATABASE_SIZE
public final int	MAX_INDEX_NAME_LENGTH
public final int	MAX_INDEXES_PER_TABLE
public final int	MAX_INLINE_LONG_VALUE_SIZE
public final int	MAX_LONG_VALUE_ROW_SIZE
public final int	MAX_NUM_ROWS_ON_DATA_PAGE
public static final int	MAX_RECORD_SIZE Maximum size of a record minus OLE objects and Memo fields
public final int	MAX_ROW_SIZE
public final int	MAX_TABLE_NAME_LENGTH
private static final byte[]	MSISAM_ENGINE
private final String	name the name of this format
public final int	OFFSET_CHILD_TAIL_INDEX_PAGE
public final int	OFFSET_CODE_PAGE
public final int	OFFSET_COLUMN_CODE_PAGE
public final int	OFFSET_COLUMN_COMPLEX_ID
public final int	OFFSET_COLUMN_EXT_FLAGS
public final int	OFFSET_COLUMN_FIXED_DATA_OFFSET
public final int	OFFSET_COLUMN_FIXED_DATA_ROW_OFFSET
public final int	OFFSET_COLUMN_FLAGS
public final int	OFFSET_COLUMN_ID
public final int	OFFSET_COLUMN_LENGTH
public final int	OFFSET_COLUMN_NUMBER
public final int	OFFSET_COLUMN_PRECISION
public final int	OFFSET_COLUMN_SCALE
public final int	OFFSET_COLUMN_SORT_ORDER
public final int	OFFSET_COLUMN_TYPE
public final int	OFFSET_COLUMN_VARIABLE_TABLE_INDEX
public final int	OFFSET_ENCODING_KEY
public static final int	OFFSET_ENGINE_NAME location of the engine name in the header
public final int	OFFSET_FREE_SPACE
public final int	OFFSET_FREE_SPACE_PAGES
public final int	OFFSET_HEADER_DATE
public final int	OFFSET_INDEX_COMPRESSED_BYTE_COUNT
public final int	OFFSET_INDEX_DEF_BLOCK
public final int	OFFSET_INDEX_ENTRY_MASK
public final int	OFFSET_INDEX_LEVEL
public final int	OFFSET_MASKED_HEADER
public final int	OFFSET_MAX_COLS
public final int	OFFSET_NEXT_AUTO_NUMBER
public final int	OFFSET_NEXT_COMPLEX_AUTO_NUMBER
public final int	OFFSET_NEXT_INDEX_PAGE
public final int	OFFSET_NEXT_TABLE_DEF_PAGE
public final int	OFFSET_NUM_COLS
public final int	OFFSET_NUM_INDEX_SLOTS
public final int	OFFSET_NUM_INDEXES
public final int	OFFSET_NUM_ROWS
public final int	OFFSET_NUM_ROWS_ON_DATA_PAGE
public final int	OFFSET_NUM_VAR_COLS
public final int	OFFSET_OWNED_PAGES
public final int	OFFSET_PASSWORD
public final int	OFFSET_PREV_INDEX_PAGE
public final int	OFFSET_REFERENCE_MAP_PAGE_NUMBERS
public final int	OFFSET_ROW_START
public final int	OFFSET_SORT_ORDER
public final int	OFFSET_TABLE_DEF_LOCATION
public final int	OFFSET_TABLE_TYPE
public final int	OFFSET_USAGE_MAP_PAGE_DATA
public final int	OFFSET_USAGE_MAP_START
private static final int	OFFSET_VERSION Offset in the file that holds the byte describing the Jet format version
public final int	PAGE_SIZE Database page size in bytes
public final byte[]	PROPERTY_MAP_TYPE
pack-priv static final byte[][]	PROPERTY_MAP_TYPES known intro bytes for property maps
public final boolean	READ_ONLY the read/write mode of this format
public final int	SIZE_COLUMN_DEF_BLOCK
public final int	SIZE_COLUMN_HEADER
public final int	SIZE_INDEX_COLUMN_BLOCK
public final int	SIZE_INDEX_DEFINITION
public final int	SIZE_INDEX_ENTRY_MASK
public final int	SIZE_INDEX_INFO_BLOCK
public final int	SIZE_LONG_VALUE_DEF
public final int	SIZE_NAME_LENGTH
public final int	SIZE_PASSWORD
public final int	SIZE_ROW_COLUMN_COUNT
public final int	SIZE_ROW_LOCATION
public final int	SIZE_ROW_VAR_COL_OFFSET
public final int	SIZE_SORT_ORDER
public final int	SIZE_TDEF_HEADER
public final int	SIZE_TDEF_TRAILER
public final int	SIZE_TEXT_FIELD_UNIT
public final int	SKIP_AFTER_INDEX_FLAGS
public final int	SKIP_AFTER_INDEX_SLOT
public final int	SKIP_BEFORE_INDEX
public final int	SKIP_BEFORE_INDEX_FLAGS
public final int	SKIP_BEFORE_INDEX_SLOT
public static final short	TEXT_FIELD_MAX_LENGTH Maximum size of a text field
public static final short	TEXT_FIELD_UNIT_SIZE the "unit" size for text fields
public final int	USAGE_MAP_TABLE_BYTE_LENGTH
private static final Set<DataType>	V12_UNSUPP_TYPES
private static final Set<DataType>	V14_CALC_TYPES calculated types supported in version 14
private static final Set<DataType>	V16_CALC_TYPES calculated types supported in version 16
private static final Set<DataType>	V16_UNSUPP_TYPES
private static final Set<DataType>	V3_UNSUPP_TYPES
public static final JetFormat	VERSION_12 the JetFormat constants for the Jet database version "12.0"
public static final JetFormat	VERSION_14 the JetFormat constants for the Jet database version "14.0"
public static final JetFormat	VERSION_16 the JetFormat constants for the Jet database version "16.0"
public static final JetFormat	VERSION_17 the JetFormat constants for the Jet database version "17.0"
public static final JetFormat	VERSION_3 the JetFormat constants for the Jet database version "3"
public static final JetFormat	VERSION_4 the JetFormat constants for the Jet database version "4"
public static final JetFormat	VERSION_MSISAM the JetFormat constants for the MSISAM database

Access	Constructor and Description
private	JetFormat(String _name)

Method Summary

Modifier and Type	Method and Description
protected abstract Charset	defineCharset()
protected abstract JetFormat.CodecType	defineCodecType()
protected abstract int	defineDataPageInitialFreeSpace()
protected abstract ColumnImpl.SortOrder	defineDefaultSortOrder()
protected abstract byte[]	defineHeaderMask()
protected abstract boolean	defineIndexesSupported()
protected abstract boolean	defineLegacyNumericIndexes()
protected abstract int	defineMaxColumnNameLength()
protected abstract int	defineMaxColumnsPerTable()
protected abstract int	defineMaxCompressedUnicodeSize()
protected abstract long	defineMaxDatabaseSize()
protected abstract int	defineMaxIndexesPerTable()
protected abstract int	defineMaxIndexNameLength()
protected abstract int	defineMaxInlineLongValueSize()
protected abstract int	defineMaxLongValueRowSize()
protected abstract int	defineMaxNumRowsOnDataPage()
protected abstract int	defineMaxRowSize()
protected abstract int	defineMaxTableNameLength()
protected abstract int	defineOffsetChildTailIndexPage()
protected abstract int	defineOffsetCodePage()
protected abstract int	defineOffsetColumnCodePage()
protected abstract int	defineOffsetColumnComplexId()
protected abstract int	defineOffsetColumnExtFlags()
protected abstract int	defineOffsetColumnFixedDataOffset()
protected abstract int	defineOffsetColumnFixedDataRowOffset()
protected abstract int	defineOffsetColumnFlags()
protected abstract int	defineOffsetColumnId()
protected abstract int	defineOffsetColumnLength()
protected abstract int	defineOffsetColumnNumber()
protected abstract int	defineOffsetColumnPrecision()
protected abstract int	defineOffsetColumnScale()
protected abstract int	defineOffsetColumnSortOrder()
protected abstract int	defineOffsetColumnType()
protected abstract int	defineOffsetColumnVariableTableIndex()
protected abstract int	defineOffsetEncodingKey()
protected abstract int	defineOffsetFreeSpace()
protected abstract int	defineOffsetFreeSpacePages()
protected abstract int	defineOffsetHeaderDate()
protected abstract int	defineOffsetIndexCompressedByteCount()
protected abstract int	defineOffsetIndexDefBlock()
protected abstract int	defineOffsetIndexEntryMask()
protected abstract int	defineOffsetIndexLevel() -1 for a format which has no index level byte
protected abstract int	defineOffsetMaskedHeader()
protected abstract int	defineOffsetMaxCols()
protected abstract int	defineOffsetNextAutoNumber()
protected abstract int	defineOffsetNextComplexAutoNumber()
protected abstract int	defineOffsetNextIndexPage()
protected abstract int	defineOffsetNextTableDefPage()
protected abstract int	defineOffsetNumCols()
protected abstract int	defineOffsetNumIndexes()
protected abstract int	defineOffsetNumIndexSlots()
protected abstract int	defineOffsetNumRows()
protected abstract int	defineOffsetNumRowsOnDataPage()
protected abstract int	defineOffsetNumVarCols()
protected abstract int	defineOffsetOwnedPages()
protected abstract int	defineOffsetPassword()
protected abstract int	defineOffsetPrevIndexPage()
protected abstract int	defineOffsetReferenceMapPageNumbers()
protected abstract int	defineOffsetRowStart()
protected abstract int	defineOffsetSortOrder()
protected abstract int	defineOffsetTableDefLocation()
protected abstract int	defineOffsetTableType()
protected abstract int	defineOffsetUsageMapPageData()
protected abstract int	defineOffsetUsageMapStart()
protected abstract int	definePageSize()
protected abstract byte[]	definePropMapType()
protected abstract boolean	defineReadOnly()
protected abstract int	defineSizeColumnDefBlock()
protected abstract int	defineSizeColumnHeader()
protected abstract int	defineSizeIndexColumnBlock()
protected abstract int	defineSizeIndexDefinition()
protected abstract int	defineSizeIndexEntryMask()
protected abstract int	defineSizeIndexInfoBlock()
protected abstract int	defineSizeLongValueDef()
protected abstract int	defineSizeNameLength()
protected abstract int	defineSizePassword()
protected abstract int	defineSizeRowColumnCount()
protected abstract int	defineSizeRowLocation()
protected abstract int	defineSizeRowVarColOffset()
protected abstract int	defineSizeSortOrder()
protected abstract int	defineSizeTdefHeader()
protected abstract int	defineSizeTdefTrailer()
protected abstract int	defineSizeTextFieldUnit()
protected abstract int	defineSkipAfterIndexFlags()
protected abstract int	defineSkipAfterIndexSlot()
protected abstract int	defineSkipBeforeIndex()
protected abstract int	defineSkipBeforeIndexFlags()
protected abstract int	defineSkipBeforeIndexSlot()
protected abstract int	defineUsageMapTableByteLength()
public static JetFormat	Returns: The Jet Format represented in the passed-in file getFormat(FileChannel the database file. channel) Returns the Jet Format represented in the passed-in file.
protected abstract Map<String, Database.FileFormat>	getPossibleFileFormats()
public abstract boolean	isSupportedCalculatedDataType(DataType type)
public abstract boolean	isSupportedDataType(DataType type)
public String	toString() Overrides java.lang.Object.toString. Returns a string representation of the object.

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

public abstract Class JetFormat

Nested and Inner Type Summary

Field Summary

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Method Summary