Package com.thinkaurelius.titan.diskstorage

Examples of com.thinkaurelius.titan.diskstorage.StaticBuffer$Factory

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     * @throws StorageException     shouldn't happen
     */
    @Test
    public void testCheckLocksSucceedsWithJuniorClaimsByOthers() throws InterruptedException, StorageException {
        // Expect checker to fetch locks for defaultTx; return just our own lock (not the other guy's)
        StaticBuffer ownSeniorLockCol = codec.toLockCol(currentTimeNS, defaultLockRid);
        ConsistentKeyLockStatus ownSeniorLS = makeStatusNow();
        currentTimeNS += TimeUnit.NANOSECONDS.convert(1, TimeUnit.NANOSECONDS);
        // Make junior lock
        StaticBuffer otherJuniorLockCol = codec.toLockCol(currentTimeNS, otherLockRid);
        expect(lockState.getLocksForTx(defaultTx)).andReturn(ImmutableMap.of(defaultLockID, ownSeniorLS));

        currentTimeNS += TimeUnit.NANOSECONDS.convert(10, TimeUnit.SECONDS);

        // Return defaultTx's lock in a map when requested
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     * @throws StorageException     shouldn't happen
     */
    @Test
    public void testCheckLocksSucceedsWithSeniorAndJuniorClaimsBySelf() throws InterruptedException, StorageException {
        // Setup three lock columns differing only in timestamp
        StaticBuffer myFirstLockCol = codec.toLockCol(currentTimeNS, defaultLockRid);
        currentTimeNS += TimeUnit.NANOSECONDS.convert(1, TimeUnit.NANOSECONDS);
        StaticBuffer mySecondLockCol = codec.toLockCol(currentTimeNS, defaultLockRid);
        ConsistentKeyLockStatus mySecondLS = makeStatusNow();
        currentTimeNS += TimeUnit.NANOSECONDS.convert(1, TimeUnit.NANOSECONDS);
        StaticBuffer myThirdLockCol = codec.toLockCol(currentTimeNS, defaultLockRid);
        currentTimeNS += TimeUnit.NANOSECONDS.convert(1, TimeUnit.NANOSECONDS);

        expect(lockState.getLocksForTx(defaultTx)).andReturn(ImmutableMap.of(defaultLockID, mySecondLS));

        // Return defaultTx's second lock in a map when requested
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     * @throws InterruptedException shouldn't happen
     */
    @Test
    public void testCheckLocksRetriesAfterSingleTemporaryStorageException() throws StorageException, InterruptedException {
        // Setup one lock column
        StaticBuffer lockCol = codec.toLockCol(currentTimeNS, defaultLockRid);
        ConsistentKeyLockStatus lockStatus = makeStatusNow();
        currentTimeNS += TimeUnit.NANOSECONDS.convert(1, TimeUnit.NANOSECONDS);

        expect(lockState.getLocksForTx(defaultTx)).andReturn(ImmutableMap.of(defaultLockID, lockStatus));

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        Map<KeyColumn, ConsistentKeyLockStatus> expectedMap = new HashMap<KeyColumn, ConsistentKeyLockStatus>() {{
            put(defaultLockID, lockStatus);
        }};
        expect(lockState.getLocksForTx(defaultTx)).andReturn(expectedMap);

        StaticBuffer del = codec.toLockCol(lockStatus.getWriteTimestamp(TimeUnit.NANOSECONDS), defaultLockRid);
        expect(times.getApproxNSSinceEpoch()).andReturn(currentTimeNS);
        store.mutate(eq(defaultLockKey), eq(ImmutableList.<Entry>of()), eq(Arrays.asList(del)), eq(defaultTx));
        expect(mediator.unlock(defaultLockID, defaultTx)).andReturn(true);
        ctrl.replay();
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        ConsistentKeyLockStatus lockStatus = makeStatusNow();
        currentTimeNS += TimeUnit.NANOSECONDS.convert(1, TimeUnit.NANOSECONDS);

        expect(lockState.getLocksForTx(defaultTx)).andReturn(Maps.newLinkedHashMap(ImmutableMap.of(defaultLockID, lockStatus)));

        StaticBuffer del = codec.toLockCol(lockStatus.getWriteTimestamp(TimeUnit.NANOSECONDS), defaultLockRid);
        expect(times.getApproxNSSinceEpoch()).andReturn(currentTimeNS);
        store.mutate(eq(defaultLockKey), eq(ImmutableList.<Entry>of()), eq(Arrays.asList(del)), eq(defaultTx));
        expect(mediator.unlock(defaultLockID, defaultTx)).andReturn(true);
//        lockState.release(defaultTx, defaultLockID);
        ctrl.replay();
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    private LockInfo recordSuccessfulLockWrite(StoreTransaction tx, long duration, TimeUnit tu, StaticBuffer del) throws StorageException {
        expect(times.getApproxNSSinceEpoch()).andReturn(++currentTimeNS);

        final long lockNS = currentTimeNS;

        StaticBuffer lockCol = codec.toLockCol(lockNS, defaultLockRid);
        Entry add = new StaticBufferEntry(lockCol, defaultLockVal);

        StaticBuffer k = eq(defaultLockKey);
//        assert null != add;
        final List<Entry> adds = eq(Arrays.<Entry>asList(add));
//        assert null != adds;
        final List<StaticBuffer> dels;
        if (null != del) {
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    }

    private StaticBuffer recordExceptionLockWrite(long duration, TimeUnit tu, StaticBuffer del, Throwable t) throws StorageException {
        expect(times.getApproxNSSinceEpoch()).andReturn(++currentTimeNS);

        StaticBuffer lockCol = codec.toLockCol(currentTimeNS, defaultLockRid);
        Entry add = new StaticBufferEntry(lockCol, defaultLockVal);

        StaticBuffer k = eq(defaultLockKey);
//        assert null != add;
        final List<Entry> adds = eq(Arrays.<Entry>asList(add));
//        assert null != adds;
        final List<StaticBuffer> dels;
        if (null != del) {
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    private void recordSuccessfulLocalUnlock() {
        expect(mediator.unlock(defaultLockID, defaultTx)).andReturn(true);
    }

    private void recordLockGetSlice(List<Entry> returnedEntries) throws StorageException {
        final StaticBuffer lower = ByteBufferUtil.zeroBuffer(9);
        final StaticBuffer upper = ByteBufferUtil.oneBuffer(9);
        final KeySliceQuery ksq = new KeySliceQuery(defaultLockKey, lower, upper);
        expect(store.getSlice(eq(ksq), eq(defaultTx))).andReturn(returnedEntries);
    }
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        final KeySliceQuery ksq = new KeySliceQuery(defaultLockKey, lower, upper);
        expect(store.getSlice(eq(ksq), eq(defaultTx))).andReturn(returnedEntries);
    }

    private void recordExceptionalLockGetSlice(Throwable t) throws StorageException {
        final StaticBuffer lower = ByteBufferUtil.zeroBuffer(9);
        final StaticBuffer upper = ByteBufferUtil.oneBuffer(9);
        final KeySliceQuery ksq = new KeySliceQuery(defaultLockKey, lower, upper);
        expect(store.getSlice(eq(ksq), eq(defaultTx))).andThrow(t);
    }
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        else return compression.compress(value);
    }

    @Override
    public List<Entry> getSlice(KeySliceQuery query, StoreTransaction txh) throws StorageException {
        StaticBuffer value = decompress(store.get(query.getKey(), txh));
        return new CacheEntryIterator(value, query).toList(query.getLimit());
    }
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