Examples with MvccVersionImpl org.apache.ignite.internal.processors.cache.mvcc.MvccVersionImpl used on opensource projects

Example 1 with MvccVersionImpl

use of org.apache.ignite.internal.processors.cache.mvcc.MvccVersionImpl in project ignite by apache.

the class IgnitePdsCheckpointSimulationWithRealCpDisabledTest method checkDataWalEntries.

/**
 * @throws Exception if failed.
 */
private void checkDataWalEntries(boolean mvcc) throws Exception {
    IgniteEx ig = startGrid(0);
    ig.cluster().active(true);
    GridCacheSharedContext<Object, Object> sharedCtx = ig.context().cache().context();
    GridCacheContext<Object, Object> cctx = sharedCtx.cache().cache(mvcc ? MVCC_CACHE_NAME : CACHE_NAME).context();
    GridCacheDatabaseSharedManager db = (GridCacheDatabaseSharedManager) sharedCtx.database();
    IgniteWriteAheadLogManager wal = sharedCtx.wal();
    assertTrue(wal.isAlwaysWriteFullPages());
    db.enableCheckpoints(false).get();
    final int cnt = 10;
    List<DataEntry> entries = new ArrayList<>(cnt);
    for (int i = 0; i < cnt; i++) {
        GridCacheOperation op = i % 2 == 0 ? GridCacheOperation.UPDATE : GridCacheOperation.DELETE;
        KeyCacheObject key = cctx.toCacheKeyObject(i);
        CacheObject val = null;
        if (op != GridCacheOperation.DELETE)
            val = cctx.toCacheObject("value-" + i);
        entries.add(mvcc ? new MvccDataEntry(cctx.cacheId(), key, val, op, null, cctx.cache().nextVersion(), 0L, cctx.affinity().partition(i), i, new MvccVersionImpl(1000L, 10L, i + 1)) : new DataEntry(cctx.cacheId(), key, val, op, null, cctx.cache().nextVersion(), 0L, cctx.affinity().partition(i), i, DataEntry.EMPTY_FLAGS));
    }
    UUID cpId = UUID.randomUUID();
    WALPointer start = wal.log(new CheckpointRecord(cpId, null));
    wal.flush(start, false);
    for (DataEntry entry : entries) wal.log(mvcc ? new MvccDataRecord((MvccDataEntry) entry) : new DataRecord(entry));
    // Data will not be written to the page store.
    stopAllGrids();
    ig = startGrid(0);
    ig.cluster().active(true);
    sharedCtx = ig.context().cache().context();
    cctx = sharedCtx.cache().cache(mvcc ? MVCC_CACHE_NAME : CACHE_NAME).context();
    db = (GridCacheDatabaseSharedManager) sharedCtx.database();
    wal = sharedCtx.wal();
    db.enableCheckpoints(false).get();
    try (PartitionMetaStateRecordExcludeIterator it = new PartitionMetaStateRecordExcludeIterator(wal.replay(start))) {
        IgniteBiTuple<WALPointer, WALRecord> cpRecordTup = it.next();
        assert cpRecordTup.get2() instanceof CheckpointRecord;
        assertEquals(start, cpRecordTup.get1());
        CheckpointRecord cpRec = (CheckpointRecord) cpRecordTup.get2();
        assertEquals(cpId, cpRec.checkpointId());
        assertNull(cpRec.checkpointMark());
        assertFalse(cpRec.end());
        int idx = 0;
        CacheObjectContext coctx = cctx.cacheObjectContext();
        while (idx < entries.size()) {
            IgniteBiTuple<WALPointer, WALRecord> dataRecTup = it.next();
            if (!mvcc)
                assert dataRecTup.get2() instanceof DataRecord;
            else
                assert dataRecTup.get2() instanceof MvccDataRecord;
            DataRecord dataRec = (DataRecord) dataRecTup.get2();
            DataEntry entry = entries.get(idx);
            assertEquals(1, dataRec.entryCount());
            DataEntry readEntry = dataRec.get(0);
            assertEquals(entry.cacheId(), readEntry.cacheId());
            assertEquals(entry.key().<Integer>value(coctx, true), readEntry.key().<Integer>value(coctx, true));
            assertEquals(entry.op(), readEntry.op());
            if (entry.op() == GridCacheOperation.UPDATE)
                assertEquals(entry.value().value(coctx, true), readEntry.value().value(coctx, true));
            else
                assertNull(entry.value());
            assertEquals(entry.writeVersion(), readEntry.writeVersion());
            assertEquals(entry.nearXidVersion(), readEntry.nearXidVersion());
            assertEquals(entry.partitionCounter(), readEntry.partitionCounter());
            if (mvcc) {
                assert entry instanceof MvccDataEntry;
                assert readEntry instanceof MvccDataEntry;
                assertEquals(((MvccDataEntry) entry).mvccVer(), ((MvccDataEntry) readEntry).mvccVer());
            }
            idx++;
        }
    }
}