Package org.apache.cassandra.io.util

Examples of org.apache.cassandra.io.util.DataOutputStreamAndChannel

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    private void testSliceFromReadCommandWrite() throws IOException
    {
        SliceFromReadCommand standardCmd = new SliceFromReadCommand(statics.KS, statics.Key, statics.StandardCF, statics.readTs, nonEmptyRangePred);
        SliceFromReadCommand superCmd = new SliceFromReadCommand(statics.KS, statics.Key, statics.SuperCF, statics.readTs, nonEmptyRangeSCPred);
       
        DataOutputStreamAndChannel out = getOutput("db.SliceFromReadCommand.bin");
        SliceFromReadCommand.serializer.serialize(standardCmd, out, getVersion());
        SliceFromReadCommand.serializer.serialize(superCmd, out, getVersion());
        ReadCommand.serializer.serialize(standardCmd, out, getVersion());
        ReadCommand.serializer.serialize(superCmd, out, getVersion());
        standardCmd.createMessage().serialize(out, getVersion());
        superCmd.createMessage().serialize(out, getVersion());

        out.close();

        // test serializedSize
        testSerializedSize(standardCmd, SliceFromReadCommand.serializer);
        testSerializedSize(superCmd, SliceFromReadCommand.serializer);
    }
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        in.close();
    }

    private void testRowWrite() throws IOException
    {
        DataOutputStreamAndChannel out = getOutput("db.Row.bin");
        Row.serializer.serialize(statics.StandardRow, out, getVersion());
        Row.serializer.serialize(statics.SuperRow, out, getVersion());
        Row.serializer.serialize(statics.NullRow, out, getVersion());
        out.close();

        // test serializedSize
        testSerializedSize(statics.StandardRow, Row.serializer);
        testSerializedSize(statics.SuperRow, Row.serializer);
        testSerializedSize(statics.NullRow, Row.serializer);
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        Map<UUID, ColumnFamily> mods = new HashMap<UUID, ColumnFamily>();
        mods.put(statics.StandardCf.metadata().cfId, statics.StandardCf);
        mods.put(statics.SuperCf.metadata().cfId, statics.SuperCf);
        Mutation mixedRm = new Mutation(statics.KS, statics.Key, mods);

        DataOutputStreamAndChannel out = getOutput("db.RowMutation.bin");
        Mutation.serializer.serialize(standardRowRm, out, getVersion());
        Mutation.serializer.serialize(superRowRm, out, getVersion());
        Mutation.serializer.serialize(standardRm, out, getVersion());
        Mutation.serializer.serialize(superRm, out, getVersion());
        Mutation.serializer.serialize(mixedRm, out, getVersion());

        standardRowRm.createMessage().serialize(out, getVersion());
        superRowRm.createMessage().serialize(out, getVersion());
        standardRm.createMessage().serialize(out, getVersion());
        superRm.createMessage().serialize(out, getVersion());
        mixedRm.createMessage().serialize(out, getVersion());

        out.close();

        // test serializedSize
        testSerializedSize(standardRowRm, Mutation.serializer);
        testSerializedSize(superRowRm, Mutation.serializer);
        testSerializedSize(standardRm, Mutation.serializer);
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    private void testTruncateWrite() throws IOException
    {
        Truncation tr = new Truncation(statics.KS, "Doesn't Really Matter");
        TruncateResponse aff = new TruncateResponse(statics.KS, "Doesn't Matter Either", true);
        TruncateResponse neg = new TruncateResponse(statics.KS, "Still Doesn't Matter", false);
        DataOutputStreamAndChannel out = getOutput("db.Truncation.bin");
        Truncation.serializer.serialize(tr, out, getVersion());
        TruncateResponse.serializer.serialize(aff, out, getVersion());
        TruncateResponse.serializer.serialize(neg, out, getVersion());

        tr.createMessage().serialize(out, getVersion());
        aff.createMessage().serialize(out, getVersion());
        neg.createMessage().serialize(out, getVersion());
        // todo: notice how CF names weren't validated.
        out.close();

        // test serializedSize
        testSerializedSize(tr, Truncation.serializer);
        testSerializedSize(aff, TruncateResponse.serializer);
        testSerializedSize(neg, TruncateResponse.serializer);
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    private void testWriteResponseWrite() throws IOException
    {
        WriteResponse aff = new WriteResponse();
        WriteResponse neg = new WriteResponse();
        DataOutputStreamAndChannel out = getOutput("db.WriteResponse.bin");
        WriteResponse.serializer.serialize(aff, out, getVersion());
        WriteResponse.serializer.serialize(neg, out, getVersion());
        out.close();

        // test serializedSize
        testSerializedSize(aff, WriteResponse.serializer);
        testSerializedSize(neg, WriteResponse.serializer);
    }
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                String path = descriptor.filenameFor(Component.FILTER);
                try
                {
                    // bloom filter
                    FileOutputStream fos = new FileOutputStream(path);
                    DataOutputStreamAndChannel stream = new DataOutputStreamAndChannel(fos);
                    FilterFactory.serialize(bf, stream);
                    stream.flush();
                    fos.getFD().sync();
                    stream.close();
                }
                catch (IOException e)
                {
                    throw new FSWriteError(e, path);
                }
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public class SerializationsTest extends AbstractSerializationsTester
{
    private void testEndpointStateWrite() throws IOException
    {
        DataOutputStreamAndChannel out = getOutput("gms.EndpointState.bin");
        HeartBeatState.serializer.serialize(Statics.HeartbeatSt, out, getVersion());
        EndpointState.serializer.serialize(Statics.EndpointSt, out, getVersion());
        VersionedValue.serializer.serialize(Statics.vv0, out, getVersion());
        VersionedValue.serializer.serialize(Statics.vv1, out, getVersion());
        out.close();

        // test serializedSize
        testSerializedSize(Statics.HeartbeatSt, HeartBeatState.serializer);
        testSerializedSize(Statics.EndpointSt, EndpointState.serializer);
        testSerializedSize(Statics.vv0, VersionedValue.serializer);
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        states.put(InetAddress.getByName("127.0.0.2"), Statics.EndpointSt);
        GossipDigestAck ack = new GossipDigestAck(Statics.Digests, states);
        GossipDigestAck2 ack2 = new GossipDigestAck2(states);
        GossipDigestSyn syn = new GossipDigestSyn("Not a real cluster name", StorageService.getPartitioner().getClass().getCanonicalName(), Statics.Digests);

        DataOutputStreamAndChannel out = getOutput("gms.Gossip.bin");
        for (GossipDigest gd : Statics.Digests)
            GossipDigest.serializer.serialize(gd, out, getVersion());
        GossipDigestAck.serializer.serialize(ack, out, getVersion());
        GossipDigestAck2.serializer.serialize(ack2, out, getVersion());
        GossipDigestSyn.serializer.serialize(syn, out, getVersion());
        out.close();

        // test serializedSize
        for (GossipDigest gd : Statics.Digests)
            testSerializedSize(gd, GossipDigest.serializer);
        testSerializedSize(ack, GossipDigestAck.serializer);
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    {
        File summariesFile = new File(descriptor.filenameFor(Component.SUMMARY));
        if (summariesFile.exists())
            FileUtils.deleteWithConfirm(summariesFile);

        DataOutputStreamAndChannel oStream = null;
        try
        {
            oStream = new DataOutputStreamAndChannel(new FileOutputStream(summariesFile));
            IndexSummary.serializer.serialize(summary, oStream, descriptor.version.hasSamplingLevel);
            ByteBufferUtil.writeWithLength(first.getKey(), oStream);
            ByteBufferUtil.writeWithLength(last.getKey(), oStream);
            ibuilder.serializeBounds(oStream);
            dbuilder.serializeBounds(oStream);
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    private void rewriteSSTableMetadata(Descriptor descriptor, Map<MetadataType, MetadataComponent> currentComponents) throws IOException
    {
        Descriptor tmpDescriptor = descriptor.asType(Descriptor.Type.TEMP);

        try (DataOutputStreamAndChannel out = new DataOutputStreamAndChannel(new FileOutputStream(tmpDescriptor.filenameFor(Component.STATS))))
        {
            serialize(currentComponents, out);
            out.flush();
        }
        // we cant move a file on top of another file in windows:
        if (!FBUtilities.isUnix())
            FileUtils.delete(descriptor.filenameFor(Component.STATS));
        FileUtils.renameWithConfirm(tmpDescriptor.filenameFor(Component.STATS), descriptor.filenameFor(Component.STATS));
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Related Classes of org.apache.cassandra.io.util.DataOutputStreamAndChannel

  • org.apache.cassandra.AbstractSerializationsTester
  • org.apache.cassandra.db.SerializationsTest
  • org.apache.cassandra.gms.SerializationsTest
  • org.apache.cassandra.io.sstable.format.big.BigTableWriter$IndexWriter
  • org.apache.cassandra.io.sstable.metadata.MetadataSerializer
  • org.apache.cassandra.io.sstable.metadata.MetadataSerializerTest
  • org.apache.cassandra.io.sstable.SSTableReader
  • org.apache.cassandra.io.sstable.SSTableWriter$IndexWriter
  • org.apache.cassandra.streaming.ConnectionHandler$MessageHandler
  • org.apache.cassandra.streaming.ConnectionHandler$OutgoingMessageHandler
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