Package org.apache.cassandra.db

Examples of org.apache.cassandra.db.Mutation$MutationSerializer

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        int rows = 2;
        int columns = 10;
        for (int r = 0; r < rows; r++)
        {
            DecoratedKey key = Util.dk(String.valueOf(r));
            Mutation rm = new Mutation(KEYSPACE1, key.getKey());
            for (int c = 0; c < columns; c++)
            {
                rm.add(CF_STANDARDDLEVELED, Util.cellname("column" + c), value, 0);
            }
            rm.applyUnsafe();
            cfs.forceBlockingFlush();
        }

        waitForLeveling(cfs);
        LeveledCompactionStrategy strategy = (LeveledCompactionStrategy) ((WrappingCompactionStrategy) cfs.getCompactionStrategy()).getWrappedStrategies().get(1);
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        // Adds enough data to trigger multiple sstable per level
        for (int r = 0; r < rows; r++)
        {
            DecoratedKey key = Util.dk(String.valueOf(r));
            Mutation rm = new Mutation(KEYSPACE1, key.getKey());
            for (int c = 0; c < columns; c++)
            {
                rm.add(CF_STANDARDDLEVELED, Util.cellname("column" + c), value, 0);
            }
            rm.applyUnsafe();
            cfs.forceBlockingFlush();
        }
        waitForLeveling(cfs);
        cfs.forceBlockingFlush();
        LeveledCompactionStrategy strategy = (LeveledCompactionStrategy) ((WrappingCompactionStrategy) cfs.getCompactionStrategy()).getWrappedStrategies().get(1);
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        // Adds enough data to trigger multiple sstable per level
        for (int r = 0; r < rows; r++)
        {
            DecoratedKey key = Util.dk(String.valueOf(r));
            Mutation rm = new Mutation(KEYSPACE1, key.getKey());
            for (int c = 0; c < columns; c++)
            {
                rm.add(CF_STANDARDDLEVELED, Util.cellname("column" + c), value, 0);
            }
            rm.applyUnsafe();
            cfs.forceBlockingFlush();
        }
        waitForLeveling(cfs);
        cfs.disableAutoCompaction();
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        // create 3 sstables
        int numSSTables = 3;
        for (int r = 0; r < numSSTables; r++)
        {
            DecoratedKey key = Util.dk(String.valueOf(r));
            Mutation rm = new Mutation(KEYSPACE1, key.getKey());
            rm.add(CF_STANDARD1, Util.cellname("column"), value, r);
            rm.apply();
            cfs.forceBlockingFlush();
        }
        cfs.forceBlockingFlush();

        List<SSTableReader> sstrs = new ArrayList<>(cfs.getSSTables());
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        // create 3 sstables
        int numSSTables = 3;
        for (int r = 0; r < numSSTables; r++)
        {
            DecoratedKey key = Util.dk(String.valueOf(r));
            Mutation rm = new Mutation(KEYSPACE1, key.getKey());
            rm.add(CF_STANDARD1, Util.cellname("column"), value, r);
            rm.apply();
            cfs.forceBlockingFlush();
        }
        cfs.forceBlockingFlush();

        Iterable<SSTableReader> filtered;
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        ColumnFamilyStore cfs = keyspace.getColumnFamilyStore(CF);
        cfs.truncateBlocking();
        for (int j = 0; j < 100; j ++)
        {
            ByteBuffer key = ByteBufferUtil.bytes(String.valueOf(j));
            Mutation rm = new Mutation(KEYSPACE, key);
            rm.add(CF, Util.cellname("0"), ByteBufferUtil.EMPTY_BYTE_BUFFER, j);
            rm.apply();
        }
        cfs.forceBlockingFlush();
        Set<SSTableReader> sstables = new HashSet<>(cfs.getSSTables());
        assertEquals(1, sstables.size());
        SSTableRewriter writer = new SSTableRewriter(cfs, sstables, 1000, false);
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    {
        public Collection<Mutation> augment(ByteBuffer key, ColumnFamily update)
        {
            ColumnFamily extraUpdate = update.cloneMeShallow(ArrayBackedSortedColumns.factory, false);
            extraUpdate.addColumn(new BufferCell(update.metadata().comparator.makeCellName(bytes("v2")), bytes(999)));
            return Collections.singletonList(new Mutation(ksName, key, extraUpdate));
        }
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    static final String keyString = UUIDGen.getTimeUUID().toString();
    public static class CommitlogExecutor implements Runnable {
        public void run() {
            String ks = "Keyspace1";
            ByteBuffer key = ByteBufferUtil.bytes(keyString);
            Mutation mutation = new Mutation(ks, key);
            mutation.add("Standard1", Util.cellname("name"), ByteBufferUtil.bytes("value"),
                    System.currentTimeMillis());
            CommitLog.instance.add(mutation);
        }
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        {
            ColumnFamily extraUpdate = update.cloneMeShallow(ArrayBackedSortedColumns.factory, false);
            extraUpdate.addColumn(new BufferCell(update.metadata().comparator.makeCellName(bytes("v2")), bytes(999)));

            int newKey = toInt(key) + 1000;
            return Collections.singletonList(new Mutation(ksName, bytes(newKey), extraUpdate));
        }
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    {
        public Collection<Mutation> augment(ByteBuffer key, ColumnFamily update)
        {
            ColumnFamily extraUpdate = ArrayBackedSortedColumns.factory.create(ksName, otherCf);
            extraUpdate.addColumn(new BufferCell(extraUpdate.metadata().comparator.makeCellName(bytes("v2")), bytes(999)));
            return Collections.singletonList(new Mutation(ksName, key, extraUpdate));
        }
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Related Classes of org.apache.cassandra.db.Mutation$MutationSerializer

  • org.apache.cassandra.cache.AutoSavingCacheTest
  • org.apache.cassandra.config.CFMetaData
  • org.apache.cassandra.cql.DeleteStatement
  • org.apache.cassandra.db.commitlog.ComitLogStress$CommitlogExecutor
  • org.apache.cassandra.db.compaction.AntiCompactionTest
  • org.apache.cassandra.db.compaction.DateTieredCompactionStrategyTest
  • org.apache.cassandra.db.compaction.LeveledCompactionStrategyTest
  • org.apache.cassandra.db.index.PerRowSecondaryIndexTest
  • org.apache.cassandra.io.sstable.SSTableReaderTest
  • org.apache.cassandra.io.sstable.SSTableRewriterTest
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