/**
* @param left
* @param right
* @return True if the rows in <code>left</code> and <code>right</code> Cells match
*/
public static boolean matchingRow(final Cell left, final Cell right) {
return Bytes.equals(
left.getRowArray(),
left.getRowOffset(),
left.getRowLength(),
right.getRowArray(),
right.getRowOffset(),
right.getRowLength());
}
/** ****************** copyTo ********************************* */
public static int copyRowTo(Cell cell, byte[] destination, int destinationOffset) {
System.arraycopy(
cell.getRowArray(),
cell.getRowOffset(),
destination,
destinationOffset,
cell.getRowLength());
return destinationOffset + cell.getRowLength();
}
/**
* @param cell
* @return Estimate of the <code>cell</code> size in bytes.
*/
public static int estimatedSizeOf(final Cell cell) {
// If a KeyValue, we can give a good estimate of size.
if (cell instanceof KeyValue) {
return ((KeyValue) cell).getLength() + Bytes.SIZEOF_INT;
}
// TODO: Should we add to Cell a sizeOf? Would it help? Does it make sense if Cell is
// prefix encoded or compressed?
return cell.getRowLength()
+ cell.getFamilyLength()
+ cell.getQualifierLength()
+ cell.getValueLength()
+
// Use the KeyValue's infrastructure size presuming that another implementation would have
// same basic cost.
KeyValue.KEY_INFRASTRUCTURE_SIZE
+
// Serialization is probably preceded by a length (it is in the KeyValueCodec at least).
Bytes.SIZEOF_INT;
}
/** *************** get individual arrays for tests *********** */
public static byte[] cloneRow(Cell cell) {
byte[] output = new byte[cell.getRowLength()];
copyRowTo(cell, output, 0);
return output;
}
/** ***************** ByteRange ****************************** */
public static ByteRange fillRowRange(Cell cell, ByteRange range) {
return range.set(cell.getRowArray(), cell.getRowOffset(), cell.getRowLength());
}
public static boolean matchingRow(
final Cell left, final byte[] buf, final int offset, final int length) {
return Bytes.equals(
left.getRowArray(), left.getRowOffset(), left.getRowLength(), buf, offset, length);
}
public static void assertKey(final byte[] expected, final Cell c) {
assertKey(expected, c.getRowArray(), c.getRowOffset(), c.getRowLength());
}
