throw new IOException("Invalid arguments to checkAndDelete "
+ "regionName is null");
}
HRegion region = getRegion(regionName);
Integer lock = getLockFromId(delete.getLockId());
WritableByteArrayComparable comparator = new BinaryComparator(value);
if (region.getCoprocessorHost() != null) {
Boolean result = region.getCoprocessorHost().preCheckAndDelete(row,
family, qualifier, CompareOp.EQUAL, comparator, delete);
if (result != null) {
return result.booleanValue();