Examples with Entry org.janusgraph.diskstorage.Entry used on opensource projects

Example 56 with Entry

use of org.janusgraph.diskstorage.Entry in project janusgraph by JanusGraph.

the class KCVSLog method writeSetting.

private void writeSetting(String identifier, final StaticBuffer column, long value) {
    final StaticBuffer key = getSettingKey(identifier);
    final Entry add = StaticArrayEntry.of(column, BufferUtil.getLongBuffer(value));
    Boolean status = BackendOperation.execute(new BackendOperation.Transactional<Boolean>() {

        @Override
        public Boolean call(StoreTransaction txh) throws BackendException {
            store.mutate(key, Collections.singletonList(add), KeyColumnValueStore.NO_DELETIONS, txh);
            return Boolean.TRUE;
        }

        @Override
        public String toString() {
            return "writingLogSetting";
        }
    }, this, times, maxWriteTime);
    Preconditions.checkState(status);
}

Example 57 with Entry

use of org.janusgraph.diskstorage.Entry in project janusgraph by JanusGraph.

the class StaticArrayEntryTest method testEntryListWithMetaSchema.

/**
 * Copied from above - the only difference is using schema instances and checking the schema
 */
@Test
public void testEntryListWithMetaSchema() {
    final Map<Integer, Long> entries = generateRandomEntries();
    EntryList[] el = generateEntryListArray(entries, "SCHEMA_INSTANCE");
    for (final EntryList anEl : el) {
        // System.out.println("Iteration: " + i);
        assertEquals(entries.size(), anEl.size());
        int num = 0;
        for (final Entry e : anEl) {
            checkEntry(e, entries);
            assertTrue(e.hasMetaData());
            assertFalse(e.getMetaData().isEmpty());
            assertEquals(metaData, e.getMetaData());
            assertNull(e.getCache());
            e.setCache(cache);
            num++;
        }
        assertEquals(entries.size(), num);
        final Iterator<Entry> iter = anEl.reuseIterator();
        num = 0;
        while (iter.hasNext()) {
            final Entry e = iter.next();
            assertTrue(e.hasMetaData());
            assertFalse(e.getMetaData().isEmpty());
            assertEquals(metaData, e.getMetaData());
            assertEquals(cache, e.getCache());
            checkEntry(e, entries);
            num++;
        }
        assertEquals(entries.size(), num);
    }
}

Example 58 with Entry

use of org.janusgraph.diskstorage.Entry in project janusgraph by JanusGraph.

the class StaticArrayEntryTest method testEntryList.

@Test
public void testEntryList() {
    final Map<Integer, Long> entries = generateRandomEntries();
    EntryList[] el = generateEntryListArray(entries, "INSTANCE");
    for (final EntryList anEl : el) {
        assertEquals(entries.size(), anEl.size());
        int num = 0;
        for (final Entry e : anEl) {
            checkEntry(e, entries);
            assertFalse(e.hasMetaData());
            assertTrue(e.getMetaData().isEmpty());
            assertNull(e.getCache());
            e.setCache(cache);
            num++;
        }
        assertEquals(entries.size(), num);
        final Iterator<Entry> iterator = anEl.reuseIterator();
        num = 0;
        while (iterator.hasNext()) {
            final Entry e = iterator.next();
            checkEntry(e, entries);
            assertFalse(e.hasMetaData());
            assertTrue(e.getMetaData().isEmpty());
            assertEquals(cache, e.getCache());
            num++;
        }
        assertEquals(entries.size(), num);
    }
}

Example 59 with Entry

use of org.janusgraph.diskstorage.Entry in project janusgraph by JanusGraph.

the class ConsistentKeyLockerTest method recordSuccessfulLockWrite.

private LockInfo recordSuccessfulLockWrite(StoreTransaction tx, long duration, TemporalUnit tu, StaticBuffer del) throws BackendException {
    currentTimeNS = currentTimeNS.plusNanos(1);
    expect(times.getTime()).andReturn(currentTimeNS);
    final Instant lockNS = currentTimeNS;
    StaticBuffer lockCol = codec.toLockCol(lockNS, defaultLockRid, times);
    Entry add = StaticArrayEntry.of(lockCol, defaultLockVal);
    StaticBuffer k = eq(defaultLockKey);
    final List<Entry> adds = eq(Collections.singletonList(add));
    final List<StaticBuffer> deletions;
    if (null != del) {
        deletions = eq(Collections.singletonList(del));
    } else {
        deletions = eq(ImmutableList.of());
    }
    store.mutate(k, adds, deletions, eq(tx));
    expectLastCall().once();
    currentTimeNS = currentTimeNS.plus(duration, tu);
    expect(times.getTime()).andReturn(currentTimeNS);
    ConsistentKeyLockStatus status = new ConsistentKeyLockStatus(lockNS, lockNS.plus(defaultExpireNS));
    return new LockInfo(lockNS, status, lockCol);
}

Example 60 with Entry

use of org.janusgraph.diskstorage.Entry in project janusgraph by JanusGraph.

the class LockCleanerRunnableTest method testPreservesLocksAtOrAfterCutoff.

/**
 * Locks with timestamps equal to or numerically greater than the cleaner
 * cutoff timestamp must be preserved. Test that the cleaner reads locks by
 * slicing the store and then does <b>not</b> attempt to write.
 */
@Test
public void testPreservesLocksAtOrAfterCutoff() throws BackendException {
    final Instant cutoff = Instant.ofEpochMilli(10L);
    Entry currentLock = StaticArrayEntry.of(codec.toLockCol(cutoff, defaultLockRid, TimestampProviders.MILLI), BufferUtil.getIntBuffer(0));
    Entry futureLock = StaticArrayEntry.of(codec.toLockCol(cutoff.plusMillis(1), defaultLockRid, TimestampProviders.MILLI), BufferUtil.getIntBuffer(0));
    EntryList locks = StaticArrayEntryList.of(currentLock, futureLock);
    // Don't increment cutoff: lockCol is exactly at the cutoff timestamp
    del = new StandardLockCleanerRunnable(store, kc, tx, codec, cutoff, TimestampProviders.MILLI);
    expect(store.getSlice(eq(ksq), eq(tx))).andReturn(locks);
    ctrl.replay();
    del.run();
}