@Override public Status scan( String table, String startKey, int recordCount, Set<String> fields, Vector<HashMap<String, ByteIterator>> result) { if (queriesForReads) { return scanUsingQuery(table, startKey, recordCount, fields, result); } Iterable<String> columns = fields == null ? STANDARD_FIELDS : fields; KeySet keySet = KeySet.newBuilder().addRange(KeyRange.closedClosed(Key.of(startKey), Key.of())).build(); try (ResultSet resultSet = dbClient.singleUse(timestampBound) .read(table, keySet, columns, Options.limit(recordCount))) { while (resultSet.next()) { HashMap<String, ByteIterator> row = new HashMap<>(); decodeStruct(columns, resultSet, row); result.add(row); } return Status.OK; } catch (Exception e) { LOGGER.log(Level.INFO, "scan()", e); return Status.ERROR; } }
@Test public void toBuilder() { KeySet set = KeySet.singleKey(Key.of(1)).toBuilder().addKey(Key.of(2)).build(); assertThat(set.isAll()).isFalse(); assertThat(set.getKeys()).containsExactly(Key.of(1), Key.of(2)).inOrder(); assertThat(set.getRanges()).isEmpty(); set = KeySet.range(KeyRange.closedOpen(Key.of("a"), Key.of("b"))) .toBuilder() .addRange(KeyRange.closedOpen(Key.of("c"), Key.of("d"))) .build(); assertThat(set.isAll()).isFalse(); assertThat(set.getKeys()).isEmpty(); assertThat(set.getRanges()) .containsExactly( KeyRange.closedOpen(Key.of("a"), Key.of("b")), KeyRange.closedOpen(Key.of("c"), Key.of("d"))) .inOrder(); set = KeySet.all().toBuilder().addKey(Key.of(1)).build(); assertThat(set.isAll()).isTrue(); assertThat(set.getKeys()).containsExactly(Key.of(1)); assertThat(set.getRanges()).isEmpty(); }
@Test public void builder() { KeySet set = KeySet.newBuilder() .addKey(Key.of("k1")) .addKey(Key.of("k2")) .addRange(KeyRange.closedOpen(Key.of("r1"), Key.of("rr1"))) .addRange(KeyRange.closedOpen(Key.of("r2"), Key.of("rr2"))) .build(); assertThat(set.isAll()).isFalse(); // Order isn't strictly important to the API, but it's helpful to preserve it. assertThat(set.getKeys()).containsExactly(Key.of("k1"), Key.of("k2")).inOrder(); assertThat(set.getRanges()) .containsExactly( KeyRange.closedOpen(Key.of("r1"), Key.of("rr1")), KeyRange.closedOpen(Key.of("r2"), Key.of("rr2"))) .inOrder(); assertThat(set.toString()).isEqualTo("{[k1],[k2],[[r1],[rr1]),[[r2],[rr2])}"); }
"test", KeySet.newBuilder() .addRange(KeyRange.closedClosed(Key.of("one", 2, null), Key.of("two", 3, null))) .build())); reserializeAndAssert( "test", KeySet.newBuilder() .addRange(KeyRange.closedOpen(Key.of("one", 2, null), Key.of("two", 3, null))) .build())); reserializeAndAssert( "test", KeySet.newBuilder() .addRange(KeyRange.openClosed(Key.of("one", 2, null), Key.of("two", 3, null))) .build())); reserializeAndAssert( "test", KeySet.newBuilder() .addRange(KeyRange.openOpen(Key.of("one", 2, null), Key.of("two", 3, null))) .build()));
@Test public void equalsAndHashCode() { EqualsTester tester = new EqualsTester(); tester.addEqualityGroup(KeySet.newBuilder().build()); tester.addEqualityGroup(KeySet.all(), KeySet.newBuilder().setAll().build()); tester.addEqualityGroup( KeySet.singleKey(Key.of("a")), KeySet.newBuilder().addKey(Key.of("a")).build()); tester.addEqualityGroup( KeySet.range(KeyRange.closedOpen(Key.of("a"), Key.of("b"))), KeySet.newBuilder().addRange(KeyRange.closedOpen(Key.of("a"), Key.of("b"))).build()); tester.addEqualityGroup(KeySet.newBuilder().addKey(Key.of(1)).addKey(Key.of(2)).build()); // We currently consider order, although this doesn't affect visible results. tester.addEqualityGroup(KeySet.newBuilder().addKey(Key.of(2)).addKey(Key.of(1)).build()); tester.addEqualityGroup(KeySet.newBuilder().setAll().addKey(Key.of("a")).build()); tester.addEqualityGroup( KeySet.newBuilder() .addKey(Key.of("a")) .addRange(KeyRange.closedOpen(Key.of("a"), Key.of("b"))) .build()); tester.testEquals(); }
@Test public void serializationMulti() { KeySet keySet = KeySet.newBuilder() .addKey(Key.of("d", 1)) .addRange(KeyRange.closedOpen(Key.of("m"), Key.of("p"))) .addKey(Key.of("a", 1)) .addRange(KeyRange.closedClosed(Key.of("a"), Key.of("d"))) .build(); checkProto( keySet, "keys { values { string_value: 'd' } values { string_value: '1' } }" + " keys { values { string_value: 'a' } values { string_value:'1' } }" + " ranges { start_closed { values { string_value: 'm' } }" + " end_open { values { string_value: 'p' } } }" + " ranges { start_closed { values { string_value: 'a' } }" + " end_closed { values { string_value: 'd' } } }"); }
@Test public void serializationMultiWithAll() { KeySet keySet = KeySet.all() .toBuilder() .addKey(Key.of("a", 1)) .addRange(KeyRange.closedOpen(Key.of("m"), Key.of("p"))) .build(); checkProto( keySet, "keys { values { string_value: 'a' } values { string_value: '1' } }" + " ranges { start_closed { values { string_value: 'm' } }" + " end_open { values { string_value: 'p' } } }" + " all:true"); }
@Test public void javaSerialization() throws Exception { reserializeAndAssert( KeySet.all() .toBuilder() .addKey(Key.of("a", 1)) .addRange(KeyRange.closedOpen(Key.of("m"), Key.of("p"))) .build()); }