Package org.apache.cassandra.db

Examples of org.apache.cassandra.db.ConsistencyLevel

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        public QueryOptions decode(ByteBuf body, int version)
        {
            assert version >= 2;

            ConsistencyLevel consistency = CBUtil.readConsistencyLevel(body);
            EnumSet<Flag> flags = Flag.deserialize((int)body.readByte());

            List<ByteBuffer> values = Collections.<ByteBuffer>emptyList();
            List<String> names = null;
            if (flags.contains(Flag.VALUES))
            {
                if (flags.contains(Flag.NAMES_FOR_VALUES))
                {
                    Pair<List<String>, List<ByteBuffer>> namesAndValues = CBUtil.readNameAndValueList(body);
                    names = namesAndValues.left;
                    values = namesAndValues.right;
                }
                else
                {
                    values = CBUtil.readValueList(body);
                }
            }

            boolean skipMetadata = flags.contains(Flag.SKIP_METADATA);
            flags.remove(Flag.VALUES);
            flags.remove(Flag.SKIP_METADATA);

            SpecificOptions options = SpecificOptions.DEFAULT;
            if (!flags.isEmpty())
            {
                int pageSize = flags.contains(Flag.PAGE_SIZE) ? body.readInt() : -1;
                PagingState pagingState = flags.contains(Flag.PAGING_STATE) ? PagingState.deserialize(CBUtil.readValue(body)) : null;
                ConsistencyLevel serialConsistency = flags.contains(Flag.SERIAL_CONSISTENCY) ? CBUtil.readConsistencyLevel(body) : ConsistencyLevel.SERIAL;
                long timestamp = -1L;
                if (flags.contains(Flag.TIMESTAMP))
                {
                    long ts = body.readLong();
                    if (ts < 0)
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        public QueryOptions decode(ByteBuf body, int version)
        {
            assert version >= 2;

            ConsistencyLevel consistency = CBUtil.readConsistencyLevel(body);
            EnumSet<Flag> flags = Flag.deserialize((int)body.readByte());

            List<ByteBuffer> values = Collections.<ByteBuffer>emptyList();
            List<String> names = null;
            if (flags.contains(Flag.VALUES))
            {
                if (flags.contains(Flag.NAMES_FOR_VALUES))
                {
                    Pair<List<String>, List<ByteBuffer>> namesAndValues = CBUtil.readNameAndValueList(body);
                    names = namesAndValues.left;
                    values = namesAndValues.right;
                }
                else
                {
                    values = CBUtil.readValueList(body);
                }
            }

            boolean skipMetadata = flags.contains(Flag.SKIP_METADATA);
            flags.remove(Flag.VALUES);
            flags.remove(Flag.SKIP_METADATA);

            SpecificOptions options = SpecificOptions.DEFAULT;
            if (!flags.isEmpty())
            {
                int pageSize = flags.contains(Flag.PAGE_SIZE) ? body.readInt() : -1;
                PagingState pagingState = flags.contains(Flag.PAGING_STATE) ? PagingState.deserialize(CBUtil.readValue(body)) : null;
                ConsistencyLevel serialConsistency = flags.contains(Flag.SERIAL_CONSISTENCY) ? CBUtil.readConsistencyLevel(body) : ConsistencyLevel.SERIAL;
                long timestamp = -1L;
                if (flags.contains(Flag.TIMESTAMP))
                {
                    long ts = body.readLong();
                    if (ts < 0)
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        // Nothing to do, all validation has been done by RawStatement.prepare()
    }

    public ResultMessage.Rows execute(QueryState state, QueryOptions options) throws RequestExecutionException, RequestValidationException
    {
        ConsistencyLevel cl = options.getConsistency();
        if (cl == null)
            throw new InvalidRequestException("Invalid empty consistency level");

        cl.validateForRead(keyspace());

        int limit = getLimit(options);
        long now = System.currentTimeMillis();
        Pageable command = getPageableCommand(options, limit, now);
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        if (!getCompressionOptions().isEmpty())
            cfm.compressionParameters(CompressionParameters.create(getCompressionOptions()));

        try
        {
            ConsistencyLevel readCL = getConsistencyLevel(KW_DEFAULT_R_CONSISTENCY);
            if (readCL != null)
            {
                readCL.validateForRead(cfm.ksName);
                cfm.defaultReadCL(readCL);
            }
            ConsistencyLevel writeCL = getConsistencyLevel(KW_DEFAULT_W_CONSISTENCY);
            if (writeCL != null)
            {
                writeCL.validateForWrite(cfm.ksName);
                cfm.defaultWriteCL(writeCL);
            }
        }
        catch (InvalidRequestException e)
        {
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        // Nothing to do, all validation has been done by RawStatement.prepare()
    }

    public ResultMessage.Rows execute(QueryState state, QueryOptions options) throws RequestExecutionException, RequestValidationException
    {
        ConsistencyLevel cl = options.getConsistency();
        List<ByteBuffer> variables = options.getValues();
        if (cl == null)
            throw new InvalidRequestException("Invalid empty consistency level");

        cl.validateForRead(keyspace());

        int limit = getLimit(variables);
        int limitForQuery = updateLimitForQuery(limit);
        long now = System.currentTimeMillis();
        Pageable command;
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    public void validate(ClientState state) throws InvalidRequestException
    {
        if (getTimeToLive() != 0)
            throw new InvalidRequestException("Global TTL on the BATCH statement is not supported.");

        ConsistencyLevel cLevel = null;
        for (ModificationStatement statement : statements)
        {
            if (statement.isSetConsistencyLevel())
                throw new InvalidRequestException("Consistency level must be set on the BATCH, not individual statements");

            if (isSetTimestamp() && statement.isSetTimestamp())
                throw new InvalidRequestException("Timestamp must be set either on BATCH or individual statements");

            if (statement.getTimeToLive() < 0)
                throw new InvalidRequestException("A TTL must be greater or equal to 0");

            if (isSetConsistencyLevel())
            {
                getConsistencyLevel().validateForWrite(statement.keyspace());
            }
            else
            {
                // If no consistency is set for the batch, we need all the CF in the batch to have the same default consistency level,
                // otherwise the batch is invalid (i.e. the user must explicitely set the CL)
                ConsistencyLevel stmtCL = statement.getConsistencyLevel();
                if (cLevel != null && cLevel != stmtCL)
                    throw new InvalidRequestException("The tables involved in the BATCH have different default write consistency, you must explicitely set the BATCH consitency level with USING CONSISTENCY");
                cLevel = stmtCL;
            }
        }
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        // Nothing to do, all validation has been done by RawStatement.prepare()
    }

    public ResultMessage.Rows execute(QueryState state, QueryOptions options) throws RequestExecutionException, RequestValidationException
    {
        ConsistencyLevel cl = options.getConsistency();
        if (cl == null)
            throw new InvalidRequestException("Invalid empty consistency level");

        cl.validateForRead(keyspace());

        int limit = getLimit(options);
        long now = System.currentTimeMillis();
        Pageable command = getPageableCommand(options, limit, now);
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        public QueryOptions decode(ByteBuf body, int version)
        {
            assert version >= 2;

            ConsistencyLevel consistency = CBUtil.readConsistencyLevel(body);
            EnumSet<Flag> flags = Flag.deserialize((int)body.readByte());

            List<ByteBuffer> values = Collections.<ByteBuffer>emptyList();
            List<String> names = null;
            if (flags.contains(Flag.VALUES))
            {
                if (flags.contains(Flag.NAMES_FOR_VALUES))
                {
                    Pair<List<String>, List<ByteBuffer>> namesAndValues = CBUtil.readNameAndValueList(body);
                    names = namesAndValues.left;
                    values = namesAndValues.right;
                }
                else
                {
                    values = CBUtil.readValueList(body);
                }
            }

            boolean skipMetadata = flags.contains(Flag.SKIP_METADATA);
            flags.remove(Flag.VALUES);
            flags.remove(Flag.SKIP_METADATA);

            SpecificOptions options = SpecificOptions.DEFAULT;
            if (!flags.isEmpty())
            {
                int pageSize = flags.contains(Flag.PAGE_SIZE) ? body.readInt() : -1;
                PagingState pagingState = flags.contains(Flag.PAGING_STATE) ? PagingState.deserialize(CBUtil.readValue(body)) : null;
                ConsistencyLevel serialConsistency = flags.contains(Flag.SERIAL_CONSISTENCY) ? CBUtil.readConsistencyLevel(body) : ConsistencyLevel.SERIAL;
                long timestamp = Long.MIN_VALUE;
                if (flags.contains(Flag.TIMESTAMP))
                {
                    long ts = body.readLong();
                    if (ts == Long.MIN_VALUE)
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    }

    public CounterMutation deserialize(DataInput dis, int version) throws IOException
    {
        RowMutation rm = RowMutation.serializer.deserialize(dis, version);
        ConsistencyLevel consistency = Enum.valueOf(ConsistencyLevel.class, dis.readUTF());
        return new CounterMutation(rm, consistency);
    }
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        // Nothing to do, all validation has been done by RawStatement.prepare()
    }

    public ResultMessage.Rows execute(QueryState state, QueryOptions options) throws RequestExecutionException, RequestValidationException
    {
        ConsistencyLevel cl = options.getConsistency();
        List<ByteBuffer> variables = options.getValues();
        if (cl == null)
            throw new InvalidRequestException("Invalid empty consistency level");

        cl.validateForRead(keyspace());

        int limit = getLimit(variables);
        int limitForQuery = updateLimitForQuery(limit);
        long now = System.currentTimeMillis();
        Pageable command;
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Related Classes of org.apache.cassandra.db.ConsistencyLevel

  • org.apache.cassandra.cql3.CFPropDefs
  • org.apache.cassandra.cql3.QueryOptions$Codec
  • org.apache.cassandra.cql3.statements.BatchStatement
  • org.apache.cassandra.cql3.statements.SelectStatement
  • org.apache.cassandra.db.CounterMutationSerializer
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