Package org.apache.camel.component.hbase.mapping

Examples of org.apache.camel.component.hbase.mapping.CellMappingStrategy

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            ResultScanner scanner = table.getScanner(scan);
            int exchangeCount = 0;
            // The next three statements are used just to get a reference to the BodyCellMappingStrategy instance.
            Exchange exchange = endpoint.createExchange();
            exchange.getIn().setHeader(CellMappingStrategyFactory.STRATEGY, CellMappingStrategyFactory.BODY);
            CellMappingStrategy mappingStrategy = endpoint.getCellMappingStrategyFactory().getStrategy(exchange.getIn());
            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) {
                    Set<HBaseCell> cellModels = rowModel.getCells();
                    if (cellModels.size() > 0) {
                        for (HBaseCell modelCell : cellModels) {
                            HBaseCell resultCell = new HBaseCell();
                            String family = modelCell.getFamily();
                            String column = modelCell.getQualifier();
                            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);
                        }
                    } else {
                        // just need to put every key value into the result Cells
                        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 = endpoint.createExchange();
                    // Probably overkill but kept it here for consistency.
                    exchange.getIn().setHeader(CellMappingStrategyFactory.STRATEGY, CellMappingStrategyFactory.BODY);
                    mappingStrategy.applyScanResults(exchange.getIn(), data);
                    //Make sure that there is a header containing the marked row ids, so that they can be deleted.
                    exchange.getIn().setHeader(HbaseAttribute.HBASE_MARKED_ROW_ID.asHeader(), result.getRow());
                    queue.add(exchange);
                    exchangeCount++;
                }
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                        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());
                    mappingStrategy.applyScanResults(exchange.getIn(), data);
                    //Make sure that there is a header containing the marked row ids, so that they can be deleted.
                    exchange.getIn().setHeader(HbaseAttribute.HBASE_MARKED_ROW_ID.asHeader(), result.getRow());
                    queue.add(exchange);
                    exchangeCount++;
                }
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        HTableInterface table = tablePool.getTable(tableName.getBytes());
        try {

            updateHeaders(exchange);
            String operation = (String) exchange.getIn().getHeader(HBaseConstants.OPERATION);
            CellMappingStrategy mappingStrategy = endpoint.getCellMappingStrategyFactory().getStrategy(exchange.getIn());

            HBaseData data = mappingStrategy.resolveModel(exchange.getIn());

            List<Put> putOperations = new LinkedList<Put>();
            List<Delete> deleteOperations = new LinkedList<Delete>();
            List<HBaseRow> getOperationResult = new LinkedList<HBaseRow>();
            List<HBaseRow> scanOperationResult = new LinkedList<HBaseRow>();

            for (HBaseRow hRow : data.getRows()) {
                hRow.apply(rowModel);
                if (HBaseConstants.PUT.equals(operation)) {
                    putOperations.add(createPut(hRow));
                } else if (HBaseConstants.GET.equals(operation)) {
                    HBaseRow getResultRow = getCells(table, hRow);
                    getOperationResult.add(getResultRow);
                } else if (HBaseConstants.DELETE.equals(operation)) {
                    deleteOperations.add(createDeleteRow(hRow));
                } else if (HBaseConstants.SCAN.equals(operation)) {
                    scanOperationResult = scanCells(table, hRow, endpoint.getFilters());
                }
            }

            //Check if we have something to add.
            if (!putOperations.isEmpty()) {
                table.put(putOperations);
                table.flushCommits();
            } else if (!deleteOperations.isEmpty()) {
                table.delete(deleteOperations);
            } else if (!getOperationResult.isEmpty()) {
                mappingStrategy.applyGetResults(exchange.getOut(), new HBaseData(getOperationResult));
            } else if (!scanOperationResult.isEmpty()) {
                mappingStrategy.applyScanResults(exchange.getOut(), new HBaseData(scanOperationResult));
            }
        } finally {
            tablePool.putTable(table);
        }
    }
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            ResultScanner scanner = table.getScanner(scan);
            int exchangeCount = 0;
            // The next three statements are used just to get a reference to the BodyCellMappingStrategy instance.
            Exchange exchange = endpoint.createExchange();
            exchange.getIn().setHeader(CellMappingStrategyFactory.STRATEGY, CellMappingStrategyFactory.BODY);
            CellMappingStrategy mappingStrategy = endpoint.getCellMappingStrategyFactory().getStrategy(exchange.getIn());
            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 = endpoint.createExchange();
                    // Probably overkill but kept it here for consistency.
                    exchange.getIn().setHeader(CellMappingStrategyFactory.STRATEGY, CellMappingStrategyFactory.BODY);
                    mappingStrategy.applyScanResults(exchange.getIn(), data);
                    //Make sure that there is a header containing the marked row ids, so that they can be deleted.
                    exchange.getIn().setHeader(HbaseAttribute.HBASE_MARKED_ROW_ID.asHeader(), result.getRow());
                    queue.add(exchange);
                    exchangeCount++;
                }
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                        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());
                    mappingStrategy.applyScanResults(exchange.getIn(), data);
                    //Make sure that there is a header containing the marked row ids, so that they can be deleted.
                    exchange.getIn().setHeader(HbaseAttribute.HBASE_MARKED_ROW_ID.asHeader(), result.getRow());
                    queue.add(exchange);
                    exchangeCount++;
                }
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        try {
            table = tablePool.getTable(tableName.getBytes());

            updateHeaders(exchange);
            String operation = (String) exchange.getIn().getHeader(HBaseContats.OPERATION);
            CellMappingStrategy mappingStrategy = endpoint.getCellMappingStrategyFactory().getStrategy(exchange.getIn());

            HBaseData data = mappingStrategy.resolveModel(exchange.getIn());

            List<Put> putOperations = new LinkedList<Put>();
            List<Delete> deleteOperations = new LinkedList<Delete>();
            List<HBaseRow> getOperationResult = new LinkedList<HBaseRow>();
            List<HBaseRow> scanOperationResult = new LinkedList<HBaseRow>();

            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());
                }
            }

            //Check if we have something to add.
            if (!putOperations.isEmpty()) {
                table.put(putOperations);
                table.flushCommits();
            } else if (!deleteOperations.isEmpty()) {
                table.delete(deleteOperations);
            } else if (!getOperationResult.isEmpty()) {
                mappingStrategy.applyGetResults(exchange.getOut(), new HBaseData(getOperationResult));
            } else if (!scanOperationResult.isEmpty()) {
                mappingStrategy.applyScanResults(exchange.getOut(), new HBaseData(scanOperationResult));
            }
        } finally {
            table.close();
        }
    }
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        HTableInterface table = tablePool.getTable(tableName.getBytes());
        try {

            updateHeaders(exchange);
            String operation = (String) exchange.getIn().getHeader(HBaseConstants.OPERATION);
            CellMappingStrategy mappingStrategy = endpoint.getCellMappingStrategyFactory().getStrategy(exchange.getIn());

            HBaseData data = mappingStrategy.resolveModel(exchange.getIn());

            List<Put> putOperations = new LinkedList<Put>();
            List<Delete> deleteOperations = new LinkedList<Delete>();
            List<HBaseRow> getOperationResult = new LinkedList<HBaseRow>();
            List<HBaseRow> scanOperationResult = new LinkedList<HBaseRow>();

            for (HBaseRow hRow : data.getRows()) {
                hRow.apply(rowModel);
                if (HBaseConstants.PUT.equals(operation)) {
                    putOperations.add(createPut(hRow));
                } else if (HBaseConstants.GET.equals(operation)) {
                    HBaseRow getResultRow = getCells(table, hRow);
                    getOperationResult.add(getResultRow);
                } else if (HBaseConstants.DELETE.equals(operation)) {
                    deleteOperations.add(createDeleteRow(hRow));
                } else if (HBaseConstants.SCAN.equals(operation)) {
                    scanOperationResult = scanCells(table, hRow, endpoint.getFilters());
                }
            }

            //Check if we have something to add.
            if (!putOperations.isEmpty()) {
                table.put(putOperations);
                table.flushCommits();
            } else if (!deleteOperations.isEmpty()) {
                table.delete(deleteOperations);
            } else if (!getOperationResult.isEmpty()) {
                mappingStrategy.applyGetResults(exchange.getOut(), new HBaseData(getOperationResult));
            } else if (!scanOperationResult.isEmpty()) {
                mappingStrategy.applyScanResults(exchange.getOut(), new HBaseData(scanOperationResult));
            }
        } finally {
            table.close();
        }
    }
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            ResultScanner scanner = table.getScanner(scan);
            int exchangeCount = 0;
            // The next three statements are used just to get a reference to the BodyCellMappingStrategy instance.
            Exchange exchange = endpoint.createExchange();
            exchange.getIn().setHeader(CellMappingStrategyFactory.STRATEGY, CellMappingStrategyFactory.BODY);
            CellMappingStrategy mappingStrategy = endpoint.getCellMappingStrategyFactory().getStrategy(exchange.getIn());
            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) {
                    Set<HBaseCell> cellModels = rowModel.getCells();
                    if (cellModels.size() > 0) {
                        for (HBaseCell modelCell : cellModels) {
                            HBaseCell resultCell = new HBaseCell();
                            String family = modelCell.getFamily();
                            String column = modelCell.getQualifier();
                            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);
                        }
                    } else {
                        // just need to put every key value into the result Cells
                        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 = endpoint.createExchange();
                    // Probably overkill but kept it here for consistency.
                    exchange.getIn().setHeader(CellMappingStrategyFactory.STRATEGY, CellMappingStrategyFactory.BODY);
                    mappingStrategy.applyScanResults(exchange.getIn(), data);
                    //Make sure that there is a header containing the marked row ids, so that they can be deleted.
                    exchange.getIn().setHeader(HbaseAttribute.HBASE_MARKED_ROW_ID.asHeader(), result.getRow());
                    queue.add(exchange);
                    exchangeCount++;
                }
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        HTableInterface table = tablePool.getTable(tableName.getBytes());
        try {

            updateHeaders(exchange);
            String operation = (String) exchange.getIn().getHeader(HBaseConstants.OPERATION);
            CellMappingStrategy mappingStrategy = endpoint.getCellMappingStrategyFactory().getStrategy(exchange.getIn());

            HBaseData data = mappingStrategy.resolveModel(exchange.getIn());

            List<Put> putOperations = new LinkedList<Put>();
            List<Delete> deleteOperations = new LinkedList<Delete>();
            List<HBaseRow> getOperationResult = new LinkedList<HBaseRow>();
            List<HBaseRow> scanOperationResult = new LinkedList<HBaseRow>();

            for (HBaseRow hRow : data.getRows()) {
                hRow.apply(rowModel);
                if (HBaseConstants.PUT.equals(operation)) {
                    putOperations.add(createPut(hRow));
                } else if (HBaseConstants.GET.equals(operation)) {
                    HBaseRow getResultRow = getCells(table, hRow);
                    getOperationResult.add(getResultRow);
                } else if (HBaseConstants.DELETE.equals(operation)) {
                    deleteOperations.add(createDeleteRow(hRow));
                } else if (HBaseConstants.SCAN.equals(operation)) {
                    scanOperationResult = scanCells(table, hRow, endpoint.getFilters());
                }
            }

            //Check if we have something to add.
            if (!putOperations.isEmpty()) {
                table.put(putOperations);
                table.flushCommits();
            } else if (!deleteOperations.isEmpty()) {
                table.delete(deleteOperations);
            } else if (!getOperationResult.isEmpty()) {
                mappingStrategy.applyGetResults(exchange.getOut(), new HBaseData(getOperationResult));
            } else if (!scanOperationResult.isEmpty()) {
                mappingStrategy.applyScanResults(exchange.getOut(), new HBaseData(scanOperationResult));
            }
        } finally {
            table.close();
        }
    }
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Related Classes of org.apache.camel.component.hbase.mapping.CellMappingStrategy

  • org.apache.camel.component.hbase.HBaseConsumer
  • org.apache.camel.component.hbase.HBaseProducer
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