Package org.phoenixdb.io.network

Examples of org.phoenixdb.io.network.Message$Query

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  private List<Tuple2<Query, Float>> prepareValidation(List<TrainingData.Rating> testRatings) {
    List<Tuple2<Query, Float>> validationList = new ArrayList<Tuple2<Query, Float>>();

    for (TrainingData.Rating r : testRatings) {
      validationList.add(new Tuple2<Query, Float>(
        new Query(r.uid, r.iid),
        r.rating));
    }

    return validationList;
  }
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     * @throws IOException
     */
    public Result prepare(String queryString) throws Error, IOException
    {
        log.fine(String.format("Preparing query '%s'", queryString));
        Message msg = new Message.Query(0, queryString, afl, "", false);
        net.write(msg);
        msg = net.read();

        switch (msg.getHeader().messageType)
        {
            case Message.mtQueryResult:
                log.fine("Got result from server");
                Result res = new Result((QueryResult) msg, this);
                _queryId = res.getQueryId();
                return res;

            case Message.mtError:
                log.fine("Got error message from server");
                throw new Error((Message.Error) msg);

            default:
                log.severe("Got unhandled network message during execution");
                throw new Error(String.format("Can not handle network message '%s'",
                        msg.getHeader().messageType));
        }
    }
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        {
            throw new Error("Query not prepared");
        }
       
        log.fine(String.format("Executing query %d", _queryId));
        Message msg = new Message.Query(_queryId, "", afl, "", true);
        net.write(msg);
        msg = net.read();

        switch (msg.getHeader().messageType)
        {
            case Message.mtQueryResult:
                log.fine("Got result from server");
                Result res = new Result((QueryResult) msg, this);
                _activeQueries.add(res.getQueryId());
                if (res.isSelective())
                    return new Array(res.getQueryId(), res.getSchema(), net);
                else
                    return null;

            case Message.mtError:
                log.fine("Got error message from server");
                throw new Error((Message.Error) msg);

            default:
                log.severe("Got unhandled network message during execution");
                throw new Error(String.format("Can not handle network message '%s'",
                        msg.getHeader().messageType));
        }
    }
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        _activeQueries.clear();
        for (long queryId: activeQueries)
        {
            log.fine(String.format("Committing query %d", queryId));
            net.write(new Message.CompleteQuery(queryId));
            Message msg = net.read();

            switch (msg.getHeader().messageType)
            {
                case Message.mtError:
                    Message.Error err = (Message.Error) msg;
                    if (err.getRecord().getLongErrorCode() != 0)
                    {
                        log.fine("Got error message from server");
                        throw new Error((Message.Error) msg);
                    }
                    log.fine("Query completed successfully");
                    break;

                default:
                    log.severe("Got unhandled network message during query completing");
                    throw new Error(String.format("Can not handle network message '%s'",
                            msg.getHeader().messageType));
            }
        }
    }
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        _activeQueries.clear();
        for (long queryId: activeQueries)
        {
            log.fine(String.format("Rolling back query %d", queryId));
            net.write(new Message.AbortQuery(queryId));
            Message msg = net.read();

            switch (msg.getHeader().messageType)
            {
                case Message.mtError:
                    Message.Error err = (Message.Error) msg;
                    if (err.getRecord().getLongErrorCode() != 0)
                    {
                        log.fine("Got error message from server");
                        throw new Error((Message.Error) msg);
                    }
                    log.fine("Query aborted successfully");
                    break;

                default:
                    log.severe("Got unhandled network message during query aborting");
                    throw new Error(String.format("Can not handle network message '%s'",
                            msg.getHeader().messageType));
            }
        }
    }
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    public void fetch() throws IOException, Error
    {
        log.fine(String.format("Fetching chunks"));
        for (Schema.Attribute att: schema.getAttributes())
        {
            Message msg = new Message.Fetch(queryId, att.getId(), schema.getName());
            net.write(msg);
            msg = net.read();
            if (msg instanceof Message.Error) {
                throw new Error((Message.Error) msg);
            }
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        ParameterizedType returnType = (ParameterizedType) t;
        final Type[] h = returnType.getActualTypeArguments();
        assert(h.length == 1);
        assert(h[0] instanceof Class);
        Class c = (Class) h[0];
        Query q = handle.createQuery(s.value()).map(c);
        if (args != null) bindArguments(method.isAnnotationPresent(BindBy.class) ?
                                        method.getAnnotation(BindBy.class).value() :
                                        BindType.Position, q, args);
        return f.doit(q);
    }
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    }

    @SuppressWarnings("unchecked")
    private Object handleInstance(Select s, Method method, Object[] args)
    {
        Query q = handle.createQuery(s.value()).map(method.getReturnType());
        if (args != null) bindArguments(method.isAnnotationPresent(BindBy.class) ?
                                        method.getAnnotation(BindBy.class).value() :
                                        BindType.Position, q, args);
        if (args != null) bindArguments(method.isAnnotationPresent(BindBy.class) ?
                                        method.getAnnotation(BindBy.class).value() :
                                        BindType.Position, q, args);
        q.setMaxRows(1);
        return q.first();
    }
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            return new SqlStatementCustomizer()
            {
                @Override
                public void apply(SQLStatement s) throws SQLException
                {
                   Query q = (Query) s;
                   NamingStrategy dbNamingStrategy = ((MapResultForSnakeCaseAsBean) annotation).dbNamingStrategy();
                   NamingStrategy fieldNamingStrategy = ((MapResultForSnakeCaseAsBean) annotation).fieldNamingStrategy();
                   q.registerMapper(new FormatterAwareBeanMapperFactory(dbNamingStrategy,fieldNamingStrategy));
                }
            };
        }
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        @Override
        public SqlStatementCustomizer createForMethod(final Annotation annotation, Class sqlObjectType, Method method) {
            return new SqlStatementCustomizer() {
                @Override
                public void apply(SQLStatement s) throws SQLException {
                    Query q = (Query) s;
                    q.registerMapper(new TranslationAwareBeanMapperFactory());
                }
            };
        }
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