Package org.apache.cassandra.service

Examples of org.apache.cassandra.service.QueryState

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    public static UntypedResultSet process(String query) throws RequestExecutionException
    {
        try
        {
            QueryState state = new QueryState(new ClientState(true));
            ResultMessage result = process(query, ConsistencyLevel.ONE, state);
            if (result instanceof ResultMessage.Rows)
                return new UntypedResultSet(((ResultMessage.Rows)result).result);
            else
                return null;
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    public static UntypedResultSet processInternal(String query)
    {
        try
        {
            ClientState state = new ClientState(true);
            QueryState qState = new QueryState(state);
            state.setKeyspace(Table.SYSTEM_KS);
            CQLStatement statement = getStatement(query, state).statement;
            statement.validate(state);
            ResultMessage result = statement.executeInternal(qState);
            if (result instanceof ResultMessage.Rows)
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            try
            {
                assert request.connection() instanceof ServerConnection;
                connection = (ServerConnection)request.connection();
                QueryState qstate = connection.validateNewMessage(request.type, connection.getVersion(), request.getStreamId());

                logger.debug("Received: {}, v={}", request, connection.getVersion());

                response = request.execute(qstate);
                response.setStreamId(request.getStreamId());
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    private final QueryState queryState;

    public ThriftClientState(SocketAddress remoteAddress)
    {
        super(remoteAddress);
        this.queryState = new QueryState(this);
    }
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    public static UntypedResultSet process(String query, ConsistencyLevel cl) throws RequestExecutionException
    {
        try
        {
            QueryState state = new QueryState(new ClientState(true));
            ResultMessage result = process(query, cl, state);
            if (result instanceof ResultMessage.Rows)
                return new UntypedResultSet(((ResultMessage.Rows)result).result);
            else
                return null;
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    public static UntypedResultSet processInternal(String query)
    {
        try
        {
            ClientState state = new ClientState(true);
            QueryState qState = new QueryState(state);
            state.setKeyspace(Table.SYSTEM_KS);
            CQLStatement statement = getStatement(query, state).statement;
            statement.validate(state);
            ResultMessage result = statement.executeInternal(qState);
            if (result instanceof ResultMessage.Rows)
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    public ResultMessage execute(ClientState state) throws RequestValidationException, RequestExecutionException
    {
        return QueryProcessor.process(String.format("SELECT * FROM %s.%s", Auth.AUTH_KS, Auth.USERS_CF),
                                      ConsistencyLevel.QUORUM,
                                      new QueryState(new ClientState(true)));
    }
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        this.state = State.UNINITIALIZED;
    }

    private QueryState getQueryState(int streamId)
    {
        QueryState qState = queryStates.get(streamId);
        if (qState == null)
        {
            // In theory we shouldn't get any race here, but it never hurts to be careful
            QueryState newState = new QueryState(clientState);
            if ((qState = queryStates.putIfAbsent(streamId, newState)) == null)
                qState = newState;
        }
        return qState;
    }
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        UntypedResultSet result;
        try
        {
            ResultMessage.Rows rows = authorizeStatement.execute(ConsistencyLevel.ONE,
                                                                 new QueryState(new ClientState(true)),
                                                                 Lists.newArrayList(ByteBufferUtil.bytes(user.getName()),
                                                                                    ByteBufferUtil.bytes(resource.getName())),
                                                                 -1,
                                                                 null);
            result = new UntypedResultSet(rows.result);
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    public static UntypedResultSet process(String query, ConsistencyLevel cl) throws RequestExecutionException
    {
        try
        {
            QueryState state = new QueryState(new ClientState(true));
            ResultMessage result = process(query, cl, state);
            if (result instanceof ResultMessage.Rows)
                return new UntypedResultSet(((ResultMessage.Rows)result).result);
            else
                return null;
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Related Classes of org.apache.cassandra.service.QueryState

  • org.apache.cassandra.auth.CassandraAuthorizer
  • org.apache.cassandra.auth.PasswordAuthenticator
  • org.apache.cassandra.cql3.QueryProcessor
  • org.apache.cassandra.cql3.statements.ListUsersStatement
  • org.apache.cassandra.thrift.ThriftClientState
  • org.apache.cassandra.transport.Message$Dispatcher
  • org.apache.cassandra.transport.ServerConnection
  • org.lealone.cassandra.command.CassandraCommand
  • org.lealone.cassandra.engine.CassandraSession
  • java.util.UUID
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