/**
* Helper method for a {@link KeyValueBuilder} that catches an IOException from a {@link Put} when
* adding a {@link KeyValue} generated by the KeyValueBuilder.
*
* @throws RuntimeException if there is an IOException thrown from the underlying {@link Put}
*/
@SuppressWarnings("javadoc")
public static void deleteQuietly(Delete delete, KeyValueBuilder builder, KeyValue kv) {
try {
delete.addDeleteMarker(kv);
} catch (IOException e) {
throw new RuntimeException(
"KeyValue Builder " + builder + " created an invalid kv: " + kv + "!");
}
}
@Override
public void process(long now, HRegion region, List<Mutation> mutations, WALEdit walEdit)
throws IOException {
// Override the time to avoid race-condition in the unit test caused by
// inacurate timer on some machines
now = myTimer.getAndIncrement();
// Scan both rows
List<Cell> kvs1 = new ArrayList<Cell>();
List<Cell> kvs2 = new ArrayList<Cell>();
doScan(region, new Scan(row1, row1), kvs1);
doScan(region, new Scan(row2, row2), kvs2);
// Assert swapped
if (swapped) {
assertEquals(rowSize, kvs2.size());
assertEquals(row2Size, kvs1.size());
} else {
assertEquals(rowSize, kvs1.size());
assertEquals(row2Size, kvs2.size());
}
swapped = !swapped;
// Add and delete keyvalues
List<List<Cell>> kvs = new ArrayList<List<Cell>>();
kvs.add(kvs1);
kvs.add(kvs2);
byte[][] rows = new byte[][] {row1, row2};
for (int i = 0; i < kvs.size(); ++i) {
for (Cell kv : kvs.get(i)) {
// Delete from the current row and add to the other row
Delete d = new Delete(rows[i]);
KeyValue kvDelete =
new KeyValue(
rows[i],
CellUtil.cloneFamily(kv),
CellUtil.cloneQualifier(kv),
kv.getTimestamp(),
KeyValue.Type.Delete);
d.addDeleteMarker(kvDelete);
Put p = new Put(rows[1 - i]);
KeyValue kvAdd =
new KeyValue(
rows[1 - i],
CellUtil.cloneFamily(kv),
CellUtil.cloneQualifier(kv),
now,
CellUtil.cloneValue(kv));
p.add(kvAdd);
mutations.add(d);
walEdit.add(kvDelete);
mutations.add(p);
walEdit.add(kvAdd);
}
}
}
