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java.lang.Objectorg.apache.hadoop.hbase.CellUtil
@InterfaceAudience.Public @InterfaceStability.Evolving public final class CellUtil
Utility methods helpful slinging Cell
instances.
Constructor Summary | |
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CellUtil()
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Method Summary | |
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static byte[] |
cloneFamily(Cell cell)
|
static byte[] |
cloneQualifier(Cell cell)
|
static byte[] |
cloneRow(Cell cell)
get individual arrays for tests |
static byte[] |
cloneValue(Cell cell)
|
static int |
copyFamilyTo(Cell cell,
byte[] destination,
int destinationOffset)
|
static int |
copyQualifierTo(Cell cell,
byte[] destination,
int destinationOffset)
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static int |
copyRowTo(Cell cell,
byte[] destination,
int destinationOffset)
copyTo |
static int |
copyTagTo(Cell cell,
byte[] destination,
int destinationOffset)
Copies the tags info into the tag portion of the cell |
static int |
copyValueTo(Cell cell,
byte[] destination,
int destinationOffset)
|
static Cell |
createCell(byte[] row,
byte[] family,
byte[] qualifier,
long timestamp,
byte type,
byte[] value)
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static Cell |
createCell(byte[] row,
byte[] family,
byte[] qualifier,
long timestamp,
byte type,
byte[] value,
byte[] tags,
long memstoreTS)
|
static Cell |
createCell(byte[] row,
byte[] family,
byte[] qualifier,
long timestamp,
byte type,
byte[] value,
long memstoreTS)
|
static Cell |
createCell(byte[] row,
byte[] family,
byte[] qualifier,
long timestamp,
KeyValue.Type type,
byte[] value,
byte[] tags)
|
static CellScanner |
createCellScanner(Cell[] cellArray)
|
static CellScanner |
createCellScanner(Iterable<Cell> cellIterable)
|
static CellScanner |
createCellScanner(Iterator<Cell> cells)
|
static CellScanner |
createCellScanner(List<? extends CellScannable> cellScannerables)
|
static CellScanner |
createCellScanner(NavigableMap<byte[],List<Cell>> map)
Flatten the map of cells out under the CellScanner |
static int |
estimatedSizeOf(Cell cell)
|
static ByteRange |
fillFamilyRange(Cell cell,
ByteRange range)
|
static ByteRange |
fillQualifierRange(Cell cell,
ByteRange range)
|
static ByteRange |
fillRowRange(Cell cell,
ByteRange range)
ByteRange |
static ByteRange |
fillTagRange(Cell cell,
ByteRange range)
|
static ByteBuffer |
getQualifierBufferShallowCopy(Cell cell)
|
static byte |
getRowByte(Cell cell,
int index)
misc |
static byte[] |
getTagArray(Cell cell)
Returns tag value in a new byte array. |
static ByteBuffer |
getValueBufferShallowCopy(Cell cell)
|
static boolean |
isDelete(Cell cell)
|
static boolean |
isDeleteColumns(Cell cell)
|
static boolean |
isDeleteColumnVersion(Cell cell)
|
static boolean |
isDeleteFamily(Cell cell)
|
static boolean |
matchingColumn(Cell left,
byte[] fam,
byte[] qual)
|
static boolean |
matchingColumn(Cell left,
Cell right)
|
static boolean |
matchingFamily(Cell left,
byte[] buf)
|
static boolean |
matchingFamily(Cell left,
Cell right)
|
static boolean |
matchingQualifier(Cell left,
byte[] buf)
|
static boolean |
matchingQualifier(Cell left,
Cell right)
|
static boolean |
matchingRow(Cell left,
byte[] buf)
|
static boolean |
matchingRow(Cell left,
Cell right)
|
static boolean |
matchingTimestamp(Cell a,
Cell b)
|
static boolean |
matchingValue(Cell left,
byte[] buf)
|
static boolean |
matchingValue(Cell left,
Cell right)
|
static boolean |
overlappingKeys(byte[] start1,
byte[] end1,
byte[] start2,
byte[] end2)
Returns true if the first range start1...end1 overlaps with the second range start2...end2, assuming the byte arrays represent row keys |
static Iterator<Tag> |
tagsIterator(byte[] tags,
int offset,
int length)
Util method to iterate through the tags |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public CellUtil()
Method Detail |
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public static ByteRange fillRowRange(Cell cell, ByteRange range)
public static ByteRange fillFamilyRange(Cell cell, ByteRange range)
public static ByteRange fillQualifierRange(Cell cell, ByteRange range)
@InterfaceStability.Unstable public static ByteRange fillTagRange(Cell cell, ByteRange range)
public static byte[] cloneRow(Cell cell)
public static byte[] cloneFamily(Cell cell)
public static byte[] cloneQualifier(Cell cell)
public static byte[] cloneValue(Cell cell)
@InterfaceStability.Unstable public static byte[] getTagArray(Cell cell)
Tag.getBuffer()
with appropriate Tag.getTagOffset()
and
Tag.getTagLength()
instead to save on allocations.
cell
-
public static int copyRowTo(Cell cell, byte[] destination, int destinationOffset)
public static int copyFamilyTo(Cell cell, byte[] destination, int destinationOffset)
public static int copyQualifierTo(Cell cell, byte[] destination, int destinationOffset)
public static int copyValueTo(Cell cell, byte[] destination, int destinationOffset)
@InterfaceStability.Unstable public static int copyTagTo(Cell cell, byte[] destination, int destinationOffset)
cell
- destination
- destinationOffset
-
public static byte getRowByte(Cell cell, int index)
public static ByteBuffer getValueBufferShallowCopy(Cell cell)
public static ByteBuffer getQualifierBufferShallowCopy(Cell cell)
public static Cell createCell(byte[] row, byte[] family, byte[] qualifier, long timestamp, byte type, byte[] value)
public static Cell createCell(byte[] row, byte[] family, byte[] qualifier, long timestamp, byte type, byte[] value, long memstoreTS)
public static Cell createCell(byte[] row, byte[] family, byte[] qualifier, long timestamp, byte type, byte[] value, byte[] tags, long memstoreTS)
public static Cell createCell(byte[] row, byte[] family, byte[] qualifier, long timestamp, KeyValue.Type type, byte[] value, byte[] tags)
public static CellScanner createCellScanner(List<? extends CellScannable> cellScannerables)
cellScannerables
-
cellIterables
public static CellScanner createCellScanner(Iterable<Cell> cellIterable)
cellIterable
-
cellIterable
public static CellScanner createCellScanner(Iterator<Cell> cells)
cells
-
cellIterable
or null if cells
is
nullpublic static CellScanner createCellScanner(Cell[] cellArray)
cellArray
-
cellArray
public static CellScanner createCellScanner(NavigableMap<byte[],List<Cell>> map)
map
- Map of Cell Lists; for example, the map of families to Cells that is used
inside Put, etc., keeping Cells organized by family.
cellIterable
public static boolean matchingRow(Cell left, Cell right)
left
- right
-
left
and right
Cells matchpublic static boolean matchingRow(Cell left, byte[] buf)
public static boolean matchingFamily(Cell left, Cell right)
public static boolean matchingFamily(Cell left, byte[] buf)
public static boolean matchingQualifier(Cell left, Cell right)
public static boolean matchingQualifier(Cell left, byte[] buf)
public static boolean matchingColumn(Cell left, byte[] fam, byte[] qual)
public static boolean matchingColumn(Cell left, Cell right)
public static boolean matchingValue(Cell left, Cell right)
public static boolean matchingValue(Cell left, byte[] buf)
public static boolean matchingTimestamp(Cell a, Cell b)
public static boolean isDelete(Cell cell)
KeyValue.Type.Delete
or
a {KeyValue.Type#DeleteFamily} or a KeyValue.Type.DeleteColumn
KeyValue type.public static boolean isDeleteFamily(Cell cell)
public static int estimatedSizeOf(Cell cell)
cell
-
cell
size in bytes.@InterfaceStability.Unstable public static Iterator<Tag> tagsIterator(byte[] tags, int offset, int length)
tags
- offset
- length
-
public static boolean isDeleteColumns(Cell cell)
public static boolean isDeleteColumnVersion(Cell cell)
public static boolean overlappingKeys(byte[] start1, byte[] end1, byte[] start2, byte[] end2)
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