Examples with BatchElement com.palantir.atlasdb.autobatch.BatchElement used on opensource projects

Example 11 with BatchElement

use of com.palantir.atlasdb.autobatch.BatchElement in project atlasdb by palantir.

the class WriteBatchingTransactionServiceTest method repeatedProcessBatchOnlyMakesOneCallWithDuplicatesIfSuccessful.

@Test
public void repeatedProcessBatchOnlyMakesOneCallWithDuplicatesIfSuccessful() {
    KeyAlreadyExistsException exception = new KeyAlreadyExistsException("boo", ImmutableList.of(ENCODING_STRATEGY.encodeStartTimestampAsCell(5L)));
    doNothing().doThrow(exception).when(mockTransactionService).putUnlessExistsMultiple(anyMap());
    int numRequests = 100;
    List<BatchElement<WriteBatchingTransactionService.TimestampPair, Void>> batchedRequest = IntStream.range(0, numRequests).mapToObj(unused -> TestTransactionBatchElement.of(5L, 9L)).collect(Collectors.toList());
    WriteBatchingTransactionService.processBatch(mockTransactionService, batchedRequest);
    AtomicInteger successCount = new AtomicInteger();
    AtomicInteger failureCount = new AtomicInteger();
    getResultsTrackingOutcomes(batchedRequest, successCount, failureCount);
    verify(mockTransactionService, times(1)).putUnlessExistsMultiple(anyMap());
    verify(mockTransactionService, atLeastOnce()).getCellEncodingStrategy();
    // XXX Technically invalid, but valid for a mock transaction service.
    assertThat(successCount).hasValue(1);
    assertThat(failureCount).hasValue(numRequests - 1);
}

Example 12 with BatchElement

use of com.palantir.atlasdb.autobatch.BatchElement in project atlasdb by palantir.

the class WriteBatchingTransactionServiceTest method throwsExceptionsCorrectlyOnDuplicatedElementsInBatch.

@Test
public void throwsExceptionsCorrectlyOnDuplicatedElementsInBatch() throws InterruptedException {
    EncodingTransactionService encodingTransactionService = SimpleTransactionService.createV1(new InMemoryKeyValueService(true));
    int numRequests = 100;
    List<BatchElement<WriteBatchingTransactionService.TimestampPair, Void>> batchedRequest = IntStream.range(0, numRequests).mapToObj(unused -> TestTransactionBatchElement.of(1L, 5L)).collect(Collectors.toList());
    WriteBatchingTransactionService.processBatch(encodingTransactionService, batchedRequest);
    AtomicInteger successCounter = new AtomicInteger();
    AtomicInteger exceptionCounter = new AtomicInteger();
    for (BatchElement<WriteBatchingTransactionService.TimestampPair, Void> batchElement : batchedRequest) {
        try {
            batchElement.result().get();
            successCounter.incrementAndGet();
        } catch (ExecutionException ex) {
            assertThat(ex).hasCauseInstanceOf(KeyAlreadyExistsException.class).satisfies(executionException -> {
                KeyAlreadyExistsException keyAlreadyExistsException = (KeyAlreadyExistsException) executionException.getCause();
                assertThat(keyAlreadyExistsException.getExistingKeys()).containsExactly(encodingTransactionService.getCellEncodingStrategy().encodeStartTimestampAsCell(1L));
            });
            exceptionCounter.incrementAndGet();
        }
    }
    // XXX Not something reasonable to assume in production (since the one successful call might actually
    // return fail while succeeding on the KVS), but acceptable for In Memory KVS.
    assertThat(successCounter).hasValue(1);
    assertThat(exceptionCounter).hasValue(numRequests - 1);
}