Examples with Schema io.openmessaging.connector.api.data.Schema used on opensource projects

Example 6 with Schema

use of io.openmessaging.connector.api.data.Schema in project rocketmq-externals by apache.

the class RedisEntryConverter method getRedisSchema.

private Schema getRedisSchema(FieldType valueType) {
    Schema schema = new Schema();
    schema.setDataSource(Options.REDIS_DATASOURCE.name());
    List<Field> fields = new ArrayList<>();
    fields.add(new Field(0, Options.REDIS_COMMAND.name(), FieldType.STRING));
    fields.add(new Field(1, Options.REDIS_KEY.name(), FieldType.STRING));
    fields.add(new Field(2, Options.REDIS_VALUE.name(), valueType));
    fields.add(new Field(3, Options.REDIS_PARAMS.name(), FieldType.MAP));
    schema.setFields(fields);
    return schema;
}

Example 7 with Schema

use of io.openmessaging.connector.api.data.Schema in project rocketmq-externals by apache.

the class WorkerSourceTask method sendRecord.

/**
 * Send list of sourceDataEntries to MQ.
 *
 * @param sourceDataEntries
 */
private void sendRecord(Collection<SourceDataEntry> sourceDataEntries) {
    for (SourceDataEntry sourceDataEntry : sourceDataEntries) {
        ByteBuffer partition = sourceDataEntry.getSourcePartition();
        Optional<ByteBuffer> opartition = Optional.ofNullable(partition);
        ByteBuffer position = sourceDataEntry.getSourcePosition();
        Optional<ByteBuffer> oposition = Optional.ofNullable(position);
        sourceDataEntry.setSourcePartition(null);
        sourceDataEntry.setSourcePosition(null);
        Message sourceMessage = new Message();
        sourceMessage.setTopic(sourceDataEntry.getQueueName());
        if (null == recordConverter || recordConverter instanceof RocketMQConverter) {
            if (StringUtils.isNotEmpty(sourceDataEntry.getShardingKey())) {
                MessageAccessor.putProperty(sourceMessage, RuntimeConfigDefine.CONNECT_SHARDINGKEY, sourceDataEntry.getShardingKey());
            }
            if (StringUtils.isNotEmpty(sourceDataEntry.getQueueName())) {
                MessageAccessor.putProperty(sourceMessage, RuntimeConfigDefine.CONNECT_TOPICNAME, sourceDataEntry.getQueueName());
            }
            if (opartition.isPresent()) {
                MessageAccessor.putProperty(sourceMessage, RuntimeConfigDefine.CONNECT_SOURCE_PARTITION, new String(opartition.get().array()));
            }
            if (oposition.isPresent()) {
                MessageAccessor.putProperty(sourceMessage, RuntimeConfigDefine.CONNECT_SOURCE_POSITION, new String(oposition.get().array()));
            }
            EntryType entryType = sourceDataEntry.getEntryType();
            Optional<EntryType> oentryType = Optional.ofNullable(entryType);
            if (oentryType.isPresent()) {
                MessageAccessor.putProperty(sourceMessage, RuntimeConfigDefine.CONNECT_ENTRYTYPE, oentryType.get().name());
            }
            Long timestamp = sourceDataEntry.getTimestamp();
            Optional<Long> otimestamp = Optional.ofNullable(timestamp);
            if (otimestamp.isPresent()) {
                MessageAccessor.putProperty(sourceMessage, RuntimeConfigDefine.CONNECT_TIMESTAMP, otimestamp.get().toString());
            }
            Schema schema = sourceDataEntry.getSchema();
            Optional<Schema> oschema = Optional.ofNullable(schema);
            if (oschema.isPresent()) {
                MessageAccessor.putProperty(sourceMessage, RuntimeConfigDefine.CONNECT_SCHEMA, JSON.toJSONString(oschema.get()));
            }
            Object[] payload = sourceDataEntry.getPayload();
            if (null != payload && null != payload[0]) {
                Object object = payload[0];
                final byte[] messageBody = (String.valueOf(object)).getBytes();
                if (messageBody.length > RuntimeConfigDefine.MAX_MESSAGE_SIZE) {
                    log.error("Send record, message size is greater than {} bytes, payload: {}", RuntimeConfigDefine.MAX_MESSAGE_SIZE, sourceDataEntry.getPayload());
                    return;
                }
                sourceMessage.setBody(messageBody);
            }
        } else {
            byte[] payload = recordConverter.objectToByte(sourceDataEntry.getPayload());
            Object[] newPayload = new Object[1];
            newPayload[0] = Base64.getEncoder().encodeToString(payload);
            sourceDataEntry.setPayload(newPayload);
            final byte[] messageBody = JSON.toJSONString(sourceDataEntry).getBytes();
            if (messageBody.length > RuntimeConfigDefine.MAX_MESSAGE_SIZE) {
                log.error("Send record, message size is greater than {} bytes, payload: {}", RuntimeConfigDefine.MAX_MESSAGE_SIZE, sourceDataEntry.getPayload());
                return;
            }
            sourceMessage.setBody(messageBody);
        }
        try {
            producer.send(sourceMessage, new SendCallback() {

                @Override
                public void onSuccess(org.apache.rocketmq.client.producer.SendResult result) {
                    log.info("Successful send message to RocketMQ:{}", result.getMsgId());
                    try {
                        if (null != partition && null != position) {
                            positionManagementService.putPosition(partition, position);
                        }
                    } catch (Exception e) {
                        log.error("Source task save position info failed.", e);
                    }
                }

                @Override
                public void onException(Throwable throwable) {
                    if (null != throwable) {
                        log.error("Source task send record failed {}.", throwable);
                    }
                }
            });
        } catch (MQClientException e) {
            log.error("Send message error. message: {}, error info: {}.", sourceMessage, e);
        } catch (RemotingException e) {
            log.error("Send message error. message: {}, error info: {}.", sourceMessage, e);
        } catch (InterruptedException e) {
            log.error("Send message error. message: {}, error info: {}.", sourceMessage, e);
        }
    }
}

Example 8 with Schema

use of io.openmessaging.connector.api.data.Schema in project rocketmq-externals by apache.

the class MetaSourceTask method poll.

@Override
public Collection<SourceDataEntry> poll() {
    log.debug("polling...");
    List<String> groups = JSONObject.parseArray(this.config.getTaskGroupList(), String.class);
    if (groups == null) {
        log.info("no group in task.");
        try {
            Thread.sleep(TimeUnit.SECONDS.toMillis(10));
        } catch (InterruptedException e) {
            throw new IllegalStateException(e);
        }
        return Collections.emptyList();
    }
    List<SourceDataEntry> res = new ArrayList<>();
    for (String group : groups) {
        ConsumeStats stats;
        try {
            stats = this.srcMQAdminExt.examineConsumeStats(group);
        } catch (Exception e) {
            log.error("admin get consumer info failed for consumer groups: " + group, e);
            continue;
        }
        for (Map.Entry<MessageQueue, OffsetWrapper> offsetTable : stats.getOffsetTable().entrySet()) {
            MessageQueue mq = offsetTable.getKey();
            long srcOffset = offsetTable.getValue().getConsumerOffset();
            long targetOffset = this.store.convertTargetOffset(mq, group, srcOffset);
            JSONObject jsonObject = new JSONObject();
            jsonObject.put(RmqConstants.NEXT_POSITION, srcOffset);
            Schema schema = new Schema();
            schema.setDataSource(this.config.getSourceRocketmq());
            schema.setName(mq.getTopic());
            schema.setFields(new ArrayList<>());
            schema.getFields().add(new Field(0, FieldName.OFFSET.getKey(), FieldType.INT64));
            DataEntryBuilder dataEntryBuilder = new DataEntryBuilder(schema);
            dataEntryBuilder.timestamp(System.currentTimeMillis()).queue(this.config.getStoreTopic()).entryType(EntryType.UPDATE);
            dataEntryBuilder.putFiled(FieldName.OFFSET.getKey(), targetOffset);
            SourceDataEntry sourceDataEntry = dataEntryBuilder.buildSourceDataEntry(ByteBuffer.wrap(RmqConstants.getPartition(mq.getTopic(), mq.getBrokerName(), String.valueOf(mq.getQueueId())).getBytes(StandardCharsets.UTF_8)), ByteBuffer.wrap(jsonObject.toJSONString().getBytes(StandardCharsets.UTF_8)));
            String targetTopic = new StringBuilder().append(group).append("-").append(mq.getTopic()).append("-").append(mq.getQueueId()).toString();
            sourceDataEntry.setQueueName(targetTopic);
            res.add(sourceDataEntry);
        }
    }
    return res;
}

Example 9 with Schema

use of io.openmessaging.connector.api.data.Schema in project rocketmq-externals by apache.

the class FileSourceTask method poll.

@Override
public Collection<SourceDataEntry> poll() {
    log.info("Start a poll stream is null:{}", stream == null);
    if (stream == null) {
        try {
            stream = Files.newInputStream(Paths.get(fileConfig.getFilename()));
            ByteBuffer positionInfo;
            positionInfo = this.context.positionStorageReader().getPosition(ByteBuffer.wrap(FileConstants.getPartition(fileConfig.getFilename()).getBytes(Charset.defaultCharset())));
            if (positionInfo != null) {
                log.info("positionInfo is not null!");
                String positionJson = new String(positionInfo.array(), Charset.defaultCharset());
                JSONObject jsonObject = JSONObject.parseObject(positionJson);
                Object lastRecordedOffset = jsonObject.getLong(FileConstants.NEXT_POSITION);
                if (lastRecordedOffset != null && !(lastRecordedOffset instanceof Long))
                    throw new ConnectException(-1, "Offset position is the incorrect type");
                if (lastRecordedOffset != null) {
                    log.debug("Found previous offset, trying to skip to file offset {}", lastRecordedOffset);
                    long skipLeft = (Long) lastRecordedOffset;
                    while (skipLeft > 0) {
                        try {
                            long skipped = stream.skip(skipLeft);
                            skipLeft -= skipped;
                        } catch (IOException e) {
                            log.error("Error while trying to seek to previous offset in file {}: ", fileConfig.getFilename(), e);
                            throw new ConnectException(-1, e);
                        }
                    }
                    log.debug("Skipped to offset {}", lastRecordedOffset);
                }
                streamOffset = (lastRecordedOffset != null) ? (Long) lastRecordedOffset : 0L;
            } else {
                log.info("positionInfo is null!");
                streamOffset = 0L;
            }
            reader = new BufferedReader(new InputStreamReader(stream, StandardCharsets.UTF_8));
            log.debug("Opened {} for reading", logFilename());
        } catch (NoSuchFileException e) {
            log.warn("Couldn't find file {} for FileStreamSourceTask, sleeping to wait for it to be created", logFilename());
            synchronized (this) {
                try {
                    this.wait(1000);
                } catch (InterruptedException e1) {
                    log.error("Interrupt error .", e1);
                }
            }
            return null;
        } catch (IOException e) {
            log.error("Error while trying to open file {}: ", fileConfig.getFilename(), e);
            throw new ConnectException(-1, e);
        }
    }
    try {
        final BufferedReader readerCopy;
        synchronized (this) {
            readerCopy = reader;
        }
        if (readerCopy == null) {
            return null;
        }
        Collection<SourceDataEntry> records = null;
        int nread = 0;
        while (readerCopy.ready()) {
            nread = readerCopy.read(buffer, offset, buffer.length - offset);
            log.trace("Read {} bytes from {}", nread, logFilename());
            if (nread > 0) {
                offset += nread;
                if (offset == buffer.length) {
                    char[] newbuf = new char[buffer.length * 2];
                    System.arraycopy(buffer, 0, newbuf, 0, buffer.length);
                    buffer = newbuf;
                }
                String line;
                do {
                    line = extractLine();
                    if (line != null) {
                        log.trace("Read a line from {}", logFilename());
                        if (records == null) {
                            records = new ArrayList<>();
                        }
                        Schema schema = new Schema();
                        schema.setDataSource(fileConfig.getFilename());
                        schema.setName(fileConfig.getFilename() + LINE);
                        final Field field = new Field(0, FileConstants.FILE_LINE_CONTENT, FieldType.STRING);
                        List<Field> fields = new ArrayList<Field>() {

                            {
                                add(field);
                            }
                        };
                        schema.setFields(fields);
                        DataEntryBuilder dataEntryBuilder = new DataEntryBuilder(schema).entryType(EntryType.CREATE).queue(fileConfig.getTopic()).timestamp(System.currentTimeMillis()).putFiled(FileConstants.FILE_LINE_CONTENT, line);
                        final SourceDataEntry sourceDataEntry = dataEntryBuilder.buildSourceDataEntry(offsetKey(FileConstants.getPartition(fileConfig.getFilename())), offsetValue(streamOffset));
                        records.add(sourceDataEntry);
                        if (records.size() >= batchSize) {
                            return records;
                        }
                    }
                } while (line != null);
            }
        }
        if (nread <= 0) {
            synchronized (this) {
                this.wait(1000);
            }
        }
        return records;
    } catch (IOException e) {
    } catch (InterruptedException e) {
        log.error("Interrupt error .", e);
    }
    return null;
}

Example 10 with Schema

use of io.openmessaging.connector.api.data.Schema in project rocketmq-externals by apache.

the class WorkerSinkTask method convertToSinkDataEntry.

private SinkDataEntry convertToSinkDataEntry(MessageExt message) {
    Map<String, String> properties = message.getProperties();
    String queueName;
    EntryType entryType;
    Schema schema;
    Long timestamp;
    Object[] datas = new Object[1];
    if (null == recordConverter || recordConverter instanceof RocketMQConverter) {
        queueName = properties.get(RuntimeConfigDefine.CONNECT_TOPICNAME);
        String connectEntryType = properties.get(RuntimeConfigDefine.CONNECT_ENTRYTYPE);
        entryType = StringUtils.isNotEmpty(connectEntryType) ? EntryType.valueOf(connectEntryType) : null;
        String connectTimestamp = properties.get(RuntimeConfigDefine.CONNECT_TIMESTAMP);
        timestamp = StringUtils.isNotEmpty(connectTimestamp) ? Long.valueOf(connectTimestamp) : null;
        String connectSchema = properties.get(RuntimeConfigDefine.CONNECT_SCHEMA);
        schema = StringUtils.isNotEmpty(connectSchema) ? JSON.parseObject(connectSchema, Schema.class) : null;
        datas = new Object[1];
        datas[0] = message.getBody();
    } else {
        final byte[] messageBody = message.getBody();
        final SourceDataEntry sourceDataEntry = JSON.parseObject(new String(messageBody), SourceDataEntry.class);
        final Object[] payload = sourceDataEntry.getPayload();
        final byte[] decodeBytes = Base64.getDecoder().decode((String) payload[0]);
        Object recodeObject;
        if (recordConverter instanceof JsonConverter) {
            JsonConverter jsonConverter = (JsonConverter) recordConverter;
            jsonConverter.setClazz(Object[].class);
            recodeObject = recordConverter.byteToObject(decodeBytes);
            datas = (Object[]) recodeObject;
        }
        schema = sourceDataEntry.getSchema();
        entryType = sourceDataEntry.getEntryType();
        queueName = sourceDataEntry.getQueueName();
        timestamp = sourceDataEntry.getTimestamp();
    }
    DataEntryBuilder dataEntryBuilder = new DataEntryBuilder(schema);
    dataEntryBuilder.entryType(entryType);
    dataEntryBuilder.queue(queueName);
    dataEntryBuilder.timestamp(timestamp);
    List<Field> fields = schema.getFields();
    if (null != fields && !fields.isEmpty()) {
        for (Field field : fields) {
            dataEntryBuilder.putFiled(field.getName(), datas[field.getIndex()]);
        }
    }
    SinkDataEntry sinkDataEntry = dataEntryBuilder.buildSinkDataEntry(message.getQueueOffset());
    return sinkDataEntry;
}