Examples with CheckAndSetException com.palantir.atlasdb.keyvalue.api.CheckAndSetException used on opensource projects

Example 6 with CheckAndSetException

use of com.palantir.atlasdb.keyvalue.api.CheckAndSetException in project atlasdb by palantir.

the class PersistentLockManagerTest method whenWeGetTheLockFirstTimeAndThenHoldItForever.

private void whenWeGetTheLockFirstTimeAndThenHoldItForever() {
    LockEntry oldEntry = ImmutableLockEntry.builder().lockName("BackupLock").instanceId(FIRST_LOCK_ID.value()).reason("Sweep").build();
    CheckAndSetException casException = new CheckAndSetException(Cell.create(PtBytes.toBytes("unu"), PtBytes.toBytes("sed")), TableReference.createFromFullyQualifiedName("unu.sed"), PtBytes.toBytes("unused"), ImmutableList.of(oldEntry.value()));
    when(mockPls.acquireBackupLock(anyString())).thenReturn(FIRST_LOCK_ID).thenThrow(casException);
}

Example 7 with CheckAndSetException

use of com.palantir.atlasdb.keyvalue.api.CheckAndSetException in project atlasdb by palantir.

the class PersistentLockManagerTest method cannotAcquireAfterReleaseSeemsToFailButSecretlySucceedsAndThenSomeoneElseTakesTheLock.

@Test
@GuardedBy("manager")
public void cannotAcquireAfterReleaseSeemsToFailButSecretlySucceedsAndThenSomeoneElseTakesTheLock() {
    doThrow(RuntimeException.class).when(mockPls).releaseBackupLock(any());
    manager.acquirePersistentLockWithRetry();
    try {
        manager.releasePersistentLock();
    } catch (RuntimeException e) {
    // Expected
    }
    LockEntry usurper = ImmutableLockEntry.builder().lockName("BackupLock").instanceId(UUID.randomUUID()).reason("backup").build();
    CheckAndSetException casException = new CheckAndSetException(Cell.create(PtBytes.toBytes("unu"), PtBytes.toBytes("sed")), TableReference.createFromFullyQualifiedName("unu.sed"), PtBytes.toBytes("unused"), ImmutableList.of(usurper.value()));
    when(mockPls.acquireBackupLock(anyString())).thenThrow(casException);
    // We call the non-retrying version here, because we:
    // (a) don't want the test to hang
    // (b) want to verify that we adjusted our view of the lockId.
    manager.tryAcquirePersistentLock();
    verify(mockPls, times(2)).acquireBackupLock("Sweep");
    assertNull(manager.lockId);
}

Example 8 with CheckAndSetException

use of com.palantir.atlasdb.keyvalue.api.CheckAndSetException in project atlasdb by palantir.

the class AbstractKeyValueServiceTest method testCheckAndSetFromWrongValue.

@Test(expected = CheckAndSetException.class)
public void testCheckAndSetFromWrongValue() {
    Assume.assumeTrue(checkAndSetSupported());
    CheckAndSetRequest request = CheckAndSetRequest.newCell(TEST_TABLE, TEST_CELL, value00);
    keyValueService.checkAndSet(request);
    try {
        CheckAndSetRequest secondRequest = CheckAndSetRequest.singleCell(TEST_TABLE, TEST_CELL, value01, value00);
        keyValueService.checkAndSet(secondRequest);
    } catch (CheckAndSetException ex) {
        assertThat(ex.getActualValues(), contains(value00));
        throw ex;
    }
}