Examples with Transaction com.palantir.atlasdb.transaction.api.Transaction used on opensource projects

Example 41 with Transaction

use of com.palantir.atlasdb.transaction.api.Transaction in project atlasdb by palantir.

the class AbstractTransactionTest method testReadMyDeletesColumnRangePagingTransaction.

@Test
public void testReadMyDeletesColumnRangePagingTransaction() {
    Transaction t = startTransaction();
    int totalPuts = 101;
    byte[] row = PtBytes.toBytes("row1");
    // Record expected results using byte ordering
    ImmutableSortedMap.Builder<Cell, byte[]> writes = ImmutableSortedMap.orderedBy(Ordering.from(UnsignedBytes.lexicographicalComparator()).onResultOf(key -> key.getColumnName()));
    for (int i = 0; i < totalPuts; i++) {
        put(t, "row1", "col" + i, "v" + i);
        if (i % 2 == 0) {
            writes.put(Cell.create(row, PtBytes.toBytes("col" + i)), PtBytes.toBytes("v" + i));
        }
    }
    t.commit();
    t = startTransaction();
    for (int i = 0; i < totalPuts; i++) {
        if (i % 2 == 1) {
            delete(t, "row1", "col" + i);
        }
    }
    Map<byte[], BatchingVisitable<Map.Entry<Cell, byte[]>>> columnRange = t.getRowsColumnRange(TEST_TABLE, ImmutableList.of(row), BatchColumnRangeSelection.create(PtBytes.EMPTY_BYTE_ARRAY, PtBytes.EMPTY_BYTE_ARRAY, 1));
    List<Map.Entry<Cell, byte[]>> expected = ImmutableList.copyOf(writes.build().entrySet());
    verifyMatchingResult(expected, row, columnRange);
}

Example 42 with Transaction

use of com.palantir.atlasdb.transaction.api.Transaction in project atlasdb by palantir.

the class AbstractTransactionTest method testEmptyColumnRangePagingTransaction.

@Test
public void testEmptyColumnRangePagingTransaction() {
    byte[] row = PtBytes.toBytes("row1");
    Transaction t = startTransaction();
    Map<byte[], BatchingVisitable<Map.Entry<Cell, byte[]>>> columnRange = t.getRowsColumnRange(TEST_TABLE, ImmutableList.of(row), BatchColumnRangeSelection.create(PtBytes.EMPTY_BYTE_ARRAY, PtBytes.EMPTY_BYTE_ARRAY, 1));
    List<Map.Entry<Cell, byte[]>> expected = ImmutableList.of();
    verifyMatchingResult(expected, row, columnRange);
    put(t, "row1", "col1", "v1");
    t.commit();
    t = startTransaction();
    delete(t, "row1", "col1");
    columnRange = t.getRowsColumnRange(TEST_TABLE, ImmutableList.of(row), BatchColumnRangeSelection.create(PtBytes.EMPTY_BYTE_ARRAY, PtBytes.EMPTY_BYTE_ARRAY, 1));
    verifyMatchingResult(expected, row, columnRange);
    t.commit();
    t = startTransaction();
    columnRange = t.getRowsColumnRange(TEST_TABLE, ImmutableList.of(row), BatchColumnRangeSelection.create(PtBytes.EMPTY_BYTE_ARRAY, PtBytes.EMPTY_BYTE_ARRAY, 1));
    verifyMatchingResult(expected, row, columnRange);
}

Example 43 with Transaction

use of com.palantir.atlasdb.transaction.api.Transaction in project atlasdb by palantir.

the class AbstractTransactionTest method testGetRanges.

@Test
public void testGetRanges() {
    Transaction t = startTransaction();
    byte[] row1Bytes = PtBytes.toBytes("row1");
    Cell row1Key = Cell.create(row1Bytes, PtBytes.toBytes("col"));
    byte[] row1Value = PtBytes.toBytes("value1");
    byte[] row2Bytes = PtBytes.toBytes("row2");
    Cell row2Key = Cell.create(row2Bytes, PtBytes.toBytes("col"));
    byte[] row2Value = PtBytes.toBytes("value2");
    t.put(TEST_TABLE, ImmutableMap.of(row1Key, row1Value, row2Key, row2Value));
    t.commit();
    t = startTransaction();
    List<RangeRequest> ranges = ImmutableList.of(RangeRequest.builder().prefixRange(row1Bytes).build(), RangeRequest.builder().prefixRange(row2Bytes).build());
    verifyAllGetRangesImplsNumRanges(t, ranges, ImmutableList.of("value1", "value2"));
}

Example 44 with Transaction

use of com.palantir.atlasdb.transaction.api.Transaction in project atlasdb by palantir.

the class AbstractTransactionTest method testWriteWriteConflict.

@Test
public void testWriteWriteConflict() {
    Transaction t1 = startTransaction();
    Transaction t2 = startTransaction();
    put(t1, "row1", "col1", "v1");
    put(t2, "row1", "col1", "v2");
    t1.commit();
    try {
        t2.commit();
        fail("Expected write-write conflict.");
    } catch (TransactionConflictException e) {
    // expected
    }
}

Example 45 with Transaction

use of com.palantir.atlasdb.transaction.api.Transaction in project atlasdb by palantir.

the class AbstractTransactionTest method testGetRangesPaging.

@Test
public void testGetRangesPaging() {
    Transaction t = startTransaction();
    byte[] row0Bytes = PtBytes.toBytes("row0");
    byte[] row00Bytes = PtBytes.toBytes("row00");
    byte[] colBytes = PtBytes.toBytes("col");
    Cell k1 = Cell.create(row00Bytes, colBytes);
    byte[] row1Bytes = PtBytes.toBytes("row1");
    Cell k2 = Cell.create(row1Bytes, colBytes);
    byte[] v = PtBytes.toBytes("v");
    t.put(TEST_TABLE, ImmutableMap.of(Cell.create(row0Bytes, colBytes), v));
    t.put(TEST_TABLE, ImmutableMap.of(k1, v));
    t.put(TEST_TABLE, ImmutableMap.of(k2, v));
    t.commit();
    t = startTransaction();
    t.delete(TEST_TABLE, ImmutableSet.of(k1));
    t.commit();
    t = startTransaction();
    byte[] rangeEnd = RangeRequests.nextLexicographicName(row00Bytes);
    List<RangeRequest> ranges = ImmutableList.of(RangeRequest.builder().prefixRange(row0Bytes).endRowExclusive(rangeEnd).batchHint(1).build());
    verifyAllGetRangesImplsNumRanges(t, ranges, ImmutableList.of("v"));
}