Package org.apache.camel.component.hbase.model

Examples of org.apache.camel.component.hbase.model.HBaseRow

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    /**
     * Resolves the cell that the {@link Exchange} refers to.
     */
    private HBaseRow resolveRow(Message message, int index) {
        HBaseRow hRow = new HBaseRow();
        HBaseCell hCell = new HBaseCell();

        if (message != null) {
            Object id =  message.getHeader(HbaseAttribute.HBASE_ROW_ID.asHeader(index));
            String rowClassName = message.getHeader(HbaseAttribute.HBASE_ROW_TYPE.asHeader(index), String.class);
            Class<?> rowClass = rowClassName == null || rowClassName.isEmpty() ? String.class : message.getExchange().getContext().getClassResolver().resolveClass(rowClassName);
            String columnFamily = (String) message.getHeader(HbaseAttribute.HBASE_FAMILY.asHeader(index));
            String columnName = (String) message.getHeader(HbaseAttribute.HBASE_QUALIFIER.asHeader(index));
            Object value =  message.getHeader(HbaseAttribute.HBASE_VALUE.asHeader(index));

            String valueClassName = message.getHeader(HbaseAttribute.HBASE_VALUE_TYPE.asHeader(index), String.class);
            Class<?> valueClass = valueClassName == null || valueClassName.isEmpty() ? String.class : message.getExchange().getContext().getClassResolver().resolveClass(valueClassName);

            //Id can be accepted as null when using get, scan etc.
            if (id == null && columnFamily == null && columnName == null) {
                return null;
            }

            hRow.setId(id);
            hRow.setRowType(rowClass);
            if (columnFamily != null && columnName != null) {
                hCell.setQualifier(columnName);
                hCell.setFamily(columnFamily);
                hCell.setValue(value);
                // String is the default value type
                hCell.setValueType((valueClass != null) ? valueClass : String.class);
                hRow.getCells().add(hCell);
            }
        }
        return hRow;
    }
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    public HBaseData resolveModel(Message message) {
        int index = 1;
        HBaseData data = new HBaseData();
        //We use a LinkedHashMap to preserve the order.
        Map<Object, HBaseRow> rows = new LinkedHashMap<Object, HBaseRow>();
        HBaseRow hRow = new HBaseRow();
        while (hRow != null) {
            hRow = resolveRow(message, index++);
            if (hRow != null) {
                if (rows.containsKey(hRow.getId())) {
                    rows.get(hRow.getId()).getCells().addAll(hRow.getCells());
                } else {
                    rows.put(hRow.getId(), hRow);
                }
            }
        }
        for (Map.Entry<Object, HBaseRow> rowEntry : rows.entrySet()) {
            data.getRows().add(rowEntry.getValue());
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    protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
        String tableName = remaining;

        HBaseEndpoint endpoint = new HBaseEndpoint(uri, this, tablePool, tableName);
        HBaseRow parameterRowModel = createRowModel(parameters);
        setProperties(endpoint, parameters);
        if (endpoint.getRowModel() == null) {
            endpoint.setRowModel(parameterRowModel);
        }
        return endpoint;
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    /**
     * Creates an {@link HBaseRow} model from the specified endpoint parameters.
     */
    public HBaseRow createRowModel(Map<String, Object> parameters) {
        HBaseRow rowModel = new HBaseRow();
        if (parameters.containsKey(HbaseAttribute.HBASE_ROW_TYPE.asOption())) {
            String rowType = String.valueOf(parameters.remove(HbaseAttribute.HBASE_ROW_TYPE.asOption()));
            if (rowType != null && !rowType.isEmpty()) {
                rowModel.setRowType(getCamelContext().getClassResolver().resolveClass(rowType));
            }
        }
        for (int i = 1; parameters.get(HbaseAttribute.HBASE_FAMILY.asOption(i)) != null
                && parameters.get(HbaseAttribute.HBASE_QUALIFIER.asOption(i)) != null; i++) {
            HBaseCell cellModel = new HBaseCell();
            cellModel.setFamily(String.valueOf(parameters.remove(HbaseAttribute.HBASE_FAMILY.asOption(i))));
            cellModel.setQualifier(String.valueOf(parameters.remove(HbaseAttribute.HBASE_QUALIFIER.asOption(i))));
            cellModel.setValue(String.valueOf(parameters.remove(HbaseAttribute.HBASE_VALUE.asOption(i))));
            if (parameters.containsKey(HbaseAttribute.HBASE_VALUE_TYPE.asOption(i))) {
                String valueType = String.valueOf(parameters.remove(HbaseAttribute.HBASE_VALUE_TYPE.asOption(i)));
                if (valueType != null && !valueType.isEmpty()) {
                    rowModel.setRowType(getCamelContext().getClassResolver().resolveClass(valueType));
                }
            }
            rowModel.getCells().add(cellModel);
        }
        return rowModel;
    }
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            for (HBaseRow hRow : data.getRows()) {
                hRow.apply(rowModel);
                if (HBaseContats.PUT.equals(operation)) {
                    putOperations.add(createPut(hRow));
                } else if (HBaseContats.GET.equals(operation)) {
                    HBaseRow getResultRow = getCells(table, hRow);
                    getOperationResult.add(getResultRow);
                } else if (HBaseContats.DELETE.equals(operation)) {
                    deleteOperations.add(createDeleteRow(hRow));
                } else if (HBaseContats.SCAN.equals(operation)) {
                    scanOperationResult = scanCells(table, hRow, endpoint.getFilters());
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     * @param hRow
     * @return
     * @throws Exception
     */
    private HBaseRow getCells(HTableInterface table, HBaseRow hRow) throws Exception {
        HBaseRow resultRow = new HBaseRow();
        List<HBaseCell> resultCells = new LinkedList<HBaseCell>();
        ObjectHelper.notNull(hRow, "HBase row");
        ObjectHelper.notNull(hRow.getId(), "HBase row id");
        ObjectHelper.notNull(hRow.getCells(), "HBase cells");

        resultRow.setId(hRow.getId());
        Get get = new Get(endpoint.getCamelContext().getTypeConverter().convertTo(byte[].class, hRow.getId()));
        Set<HBaseCell> cellModels = hRow.getCells();
        for (HBaseCell cellModel : cellModels) {
            String family = cellModel.getFamily();
            String column = cellModel.getQualifier();

            ObjectHelper.notNull(family, "HBase column family", cellModel);
            ObjectHelper.notNull(column, "HBase column", cellModel);
            get.addColumn(HBaseHelper.getHBaseFieldAsBytes(family), HBaseHelper.getHBaseFieldAsBytes(column));
        }

        Result result = table.get(get);

        for (HBaseCell cellModel : cellModels) {
            HBaseCell resultCell = new HBaseCell();
            String family = cellModel.getFamily();
            String column = cellModel.getQualifier();
            resultCell.setFamily(family);
            resultCell.setQualifier(column);

            List<KeyValue> kvs = result.getColumn(HBaseHelper.getHBaseFieldAsBytes(family), HBaseHelper.getHBaseFieldAsBytes(column));
            if (kvs != null && !kvs.isEmpty()) {
                //Return the most recent entry.
                resultCell.setValue(endpoint.getCamelContext().getTypeConverter().convertTo(cellModel.getValueType(), kvs.get(0).getValue()));
            }
            resultCells.add(resultCell);
            resultRow.getCells().add(resultCell);
        }
        return resultRow;
    }
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        }

        ResultScanner resultScanner = table.getScanner(scan);
        Result result = resultScanner.next();
        while (result != null) {
            HBaseRow resultRow = new HBaseRow();
            resultRow.setId(endpoint.getCamelContext().getTypeConverter().convertTo(model.getRowType(), result.getRow()));
            cellModels = model.getCells();
            for (HBaseCell modelCell : cellModels) {
                HBaseCell resultCell = new HBaseCell();
                String family = modelCell.getFamily();
                String column = modelCell.getQualifier();
                resultRow.setId(endpoint.getCamelContext().getTypeConverter().convertTo(model.getRowType(), result.getRow()));
                resultCell.setValue(endpoint.getCamelContext().getTypeConverter().convertTo(modelCell.getValueType(),
                        result.getValue(HBaseHelper.getHBaseFieldAsBytes(family), HBaseHelper.getHBaseFieldAsBytes(column))));
                resultCell.setFamily(modelCell.getFamily());
                resultCell.setQualifier(modelCell.getQualifier());
                resultRow.getCells().add(resultCell);
                rowSet.add(resultRow);
            }

            result = resultScanner.next();
        }
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            ResultScanner scanner = table.getScanner(scan);
            int exchangeCount = 0;
            for (Result result = scanner.next(); (exchangeCount < maxMessagesPerPoll || maxMessagesPerPoll <= 0) && result != null; result = scanner.next()) {
                HBaseData data = new HBaseData();
                HBaseRow resultRow = new HBaseRow();
                resultRow.apply(rowModel);
                byte[] row = result.getRow();
                resultRow.setId(endpoint.getCamelContext().getTypeConverter().convertTo(rowModel.getRowType(), row));

                List<KeyValue> keyValues = result.list();
                if (keyValues != null) {
                    for (KeyValue keyValue : keyValues) {
                        String qualifier = new String(keyValue.getQualifier());
                        String family = new String(keyValue.getFamily());
                        HBaseCell resultCell = new HBaseCell();
                        resultCell.setFamily(family);
                        resultCell.setQualifier(qualifier);
                        resultCell.setValue(endpoint.getCamelContext().getTypeConverter().convertTo(String.class, keyValue.getValue()));
                        resultRow.getCells().add(resultCell);
                    }
                    data.getRows().add(resultRow);
                    Exchange exchange = endpoint.createExchange();
                    exchange.getIn().setHeader(CellMappingStrategyFactory.STRATEGY, CellMappingStrategyFactory.BODY);
                    CellMappingStrategy mappingStrategy = endpoint.getCellMappingStrategyFactory().getStrategy(exchange.getIn());
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    protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
        URI endpointUri = new URI(uri);
        String tableName = endpointUri.getHost();

        HBaseEndpoint endpoint = new HBaseEndpoint(uri, this, tablePool, tableName);
        HBaseRow parameterRowModel = createRowModel(parameters);
        setProperties(endpoint, parameters);
        if (endpoint.getRowModel() == null) {
            endpoint.setRowModel(parameterRowModel);
        }
        return endpoint;
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     *
     * @param parameters
     * @return
     */
    public HBaseRow createRowModel(Map<String, Object> parameters) {
        HBaseRow rowModel = new HBaseRow();
        if (parameters.containsKey(HbaseAttribute.HBASE_ROW_TYPE.asOption())) {
            String rowType = String.valueOf(parameters.remove(HbaseAttribute.HBASE_ROW_TYPE.asOption()));
            if (rowType != null && !rowType.isEmpty()) {
                rowModel.setRowType(getCamelContext().getClassResolver().resolveClass(rowType));
            }
        }
        for (int i = 1; parameters.get(HbaseAttribute.HBASE_FAMILY.asOption(i)) != null
                && parameters.get(HbaseAttribute.HBASE_QUALIFIER.asOption(i)) != null; i++) {
            HBaseCell cellModel = new HBaseCell();
            cellModel.setFamily(String.valueOf(parameters.remove(HbaseAttribute.HBASE_FAMILY.asOption(i))));
            cellModel.setQualifier(String.valueOf(parameters.remove(HbaseAttribute.HBASE_QUALIFIER.asOption(i))));
            cellModel.setValue(String.valueOf(parameters.remove(HbaseAttribute.HBASE_VALUE.asOption(i))));
            if (parameters.containsKey(HbaseAttribute.HBASE_VALUE_TYPE.asOption())) {
                String valueType = String.valueOf(parameters.remove(HbaseAttribute.HBASE_VALUE_TYPE.asOption()));
                if (valueType != null && !valueType.isEmpty()) {
                    rowModel.setRowType(getCamelContext().getClassResolver().resolveClass(valueType));
                }
            }

            rowModel.getCells().add(cellModel);
        }
        return rowModel;
    }
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Related Classes of org.apache.camel.component.hbase.model.HBaseRow

  • org.apache.camel.component.hbase.HBaseComponent
  • org.apache.camel.component.hbase.HBaseConsumer
  • org.apache.camel.component.hbase.HBaseProducer
  • org.apache.camel.component.hbase.mapping.HeaderMappingStrategy
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