@Test
public void testGetColumn() throws IOException, ColumnFamilyNotDefinedException {
Table table = Table.open("Keyspace1");
RowMutation rm;
// add data
rm = new RowMutation("Keyspace1", "key1");
rm.add(new QueryPath("Standard1", null, "Column1".getBytes()), "abcd".getBytes(), 0);
rm.apply();
ReadCommand command =
new SliceByNamesReadCommand(
"Keyspace1", "key1", new QueryPath("Standard1"), Arrays.asList("Column1".getBytes()));
Row row = command.getRow(table);
IColumn col = row.cf.getColumn("Column1".getBytes());
assert Arrays.equals(col.value(), "abcd".getBytes());
}
@Test
public void testReconcile() throws UnknownHostException {
IColumn left;
IColumn right;
IColumn reconciled;
ByteBuffer context;
// tombstone + tombstone
left = new DeletedColumn(ByteBufferUtil.bytes("x"), 1, 1L);
right = new DeletedColumn(ByteBufferUtil.bytes("x"), 2, 2L);
assert left.reconcile(right).getMarkedForDeleteAt() == right.getMarkedForDeleteAt();
assert right.reconcile(left).getMarkedForDeleteAt() == right.getMarkedForDeleteAt();
// tombstone > live
left = new DeletedColumn(ByteBufferUtil.bytes("x"), 1, 2L);
right = new CounterColumn(ByteBufferUtil.bytes("x"), 0L, 1L);
assert left.reconcile(right) == left;
// tombstone < live last delete
left = new DeletedColumn(ByteBufferUtil.bytes("x"), 1, 1L);
right = new CounterColumn(ByteBufferUtil.bytes("x"), 0L, 4L, 2L);
assert left.reconcile(right) == right;
// tombstone == live last delete
left = new DeletedColumn(ByteBufferUtil.bytes("x"), 1, 2L);
right = new CounterColumn(ByteBufferUtil.bytes("x"), 0L, 4L, 2L);
assert left.reconcile(right) == right;
// tombstone > live last delete
left = new DeletedColumn(ByteBufferUtil.bytes("x"), 1, 4L);
right = new CounterColumn(ByteBufferUtil.bytes("x"), 0L, 9L, 1L);
reconciled = left.reconcile(right);
assert reconciled.name() == right.name();
assert reconciled.value() == right.value();
assert reconciled.timestamp() == right.timestamp();
assert ((CounterColumn) reconciled).timestampOfLastDelete() == left.getMarkedForDeleteAt();
// live < tombstone
left = new CounterColumn(ByteBufferUtil.bytes("x"), 0L, 1L);
right = new DeletedColumn(ByteBufferUtil.bytes("x"), 1, 2L);
assert left.reconcile(right) == right;
// live last delete > tombstone
left = new CounterColumn(ByteBufferUtil.bytes("x"), 0L, 4L, 2L);
right = new DeletedColumn(ByteBufferUtil.bytes("x"), 1, 1L);
assert left.reconcile(right) == left;
// live last delete == tombstone
left = new CounterColumn(ByteBufferUtil.bytes("x"), 0L, 4L, 2L);
right = new DeletedColumn(ByteBufferUtil.bytes("x"), 1, 2L);
assert left.reconcile(right) == left;
// live last delete < tombstone
left = new CounterColumn(ByteBufferUtil.bytes("x"), 0L, 9L, 1L);
right = new DeletedColumn(ByteBufferUtil.bytes("x"), 1, 4L);
reconciled = left.reconcile(right);
assert reconciled.name() == left.name();
assert reconciled.value() == left.value();
assert reconciled.timestamp() == left.timestamp();
assert ((CounterColumn) reconciled).timestampOfLastDelete() == right.getMarkedForDeleteAt();
// live < live last delete
left =
new CounterColumn(
ByteBufferUtil.bytes("x"),
cc.create(NodeId.fromInt(1), 2L, 3L, false),
1L,
Long.MIN_VALUE);
right =
new CounterColumn(
ByteBufferUtil.bytes("x"), cc.create(NodeId.fromInt(1), 1L, 1L, false), 4L, 3L);
assert left.reconcile(right) == right;
// live last delete > live
left =
new CounterColumn(
ByteBufferUtil.bytes("x"), cc.create(NodeId.fromInt(1), 2L, 3L, false), 6L, 5L);
right =
new CounterColumn(
ByteBufferUtil.bytes("x"), cc.create(NodeId.fromInt(1), 1L, 1L, false), 4L, 3L);
assert left.reconcile(right) == left;
// live + live
left =
new CounterColumn(
ByteBufferUtil.bytes("x"),
cc.create(NodeId.fromInt(1), 1L, 1L, false),
4L,
Long.MIN_VALUE);
right =
new CounterColumn(
ByteBufferUtil.bytes("x"),
cc.create(NodeId.fromInt(1), 2L, 3L, false),
1L,
Long.MIN_VALUE);
reconciled = left.reconcile(right);
assert reconciled.name().equals(left.name());
assert ((CounterColumn) reconciled).total() == 3L;
assert reconciled.timestamp() == 4L;
left = reconciled;
right =
new CounterColumn(
ByteBufferUtil.bytes("x"),
cc.create(NodeId.fromInt(2), 1L, 5L, false),
2L,
Long.MIN_VALUE);
reconciled = left.reconcile(right);
assert reconciled.name().equals(left.name());
assert ((CounterColumn) reconciled).total() == 8L;
assert reconciled.timestamp() == 4L;
left = reconciled;
right =
new CounterColumn(
ByteBufferUtil.bytes("x"),
cc.create(NodeId.fromInt(2), 2L, 2L, false),
6L,
Long.MIN_VALUE);
reconciled = left.reconcile(right);
assert reconciled.name().equals(left.name());
assert ((CounterColumn) reconciled).total() == 5L;
assert reconciled.timestamp() == 6L;
context = reconciled.value();
int hd = 2; // header
assert hd + 2 * stepLength == context.remaining();
assert Util.equalsNodeId(NodeId.fromInt(1), context, hd + 0 * stepLength);
assert 2L == context.getLong(hd + 0 * stepLength + idLength);
assert 3L == context.getLong(hd + 0 * stepLength + idLength + clockLength);
assert Util.equalsNodeId(NodeId.fromInt(2), context, hd + 1 * stepLength);
assert 2L == context.getLong(hd + 1 * stepLength + idLength);
assert 2L == context.getLong(hd + 1 * stepLength + idLength + clockLength);
assert ((CounterColumn) reconciled).timestampOfLastDelete() == Long.MIN_VALUE;
}