Examples with RowModel org.apache.hadoop.hbase.rest.model.RowModel used on opensource projects

Example 26 with RowModel

use of org.apache.hadoop.hbase.rest.model.RowModel in project hbase by apache.

the class RemoteHTable method buildResultFromModel.

protected Result[] buildResultFromModel(final CellSetModel model) {
    List<Result> results = new ArrayList<>();
    for (RowModel row : model.getRows()) {
        List<Cell> kvs = new ArrayList<>(row.getCells().size());
        for (CellModel cell : row.getCells()) {
            byte[][] split = KeyValue.parseColumn(cell.getColumn());
            byte[] column = split[0];
            byte[] qualifier = null;
            if (split.length == 1) {
                qualifier = HConstants.EMPTY_BYTE_ARRAY;
            } else if (split.length == 2) {
                qualifier = split[1];
            } else {
                throw new IllegalArgumentException("Invalid familyAndQualifier provided.");
            }
            kvs.add(new KeyValue(row.getKey(), column, qualifier, cell.getTimestamp(), cell.getValue()));
        }
        results.add(Result.create(kvs));
    }
    return results.toArray(new Result[results.size()]);
}

Example 27 with RowModel

use of org.apache.hadoop.hbase.rest.model.RowModel in project hbase by apache.

the class RemoteHTable method put.

@Override
public void put(List<Put> puts) throws IOException {
    // this is a trick: The gateway accepts multiple rows in a cell set and
    // ignores the row specification in the URI
    // separate puts by row
    TreeMap<byte[], List<Cell>> map = new TreeMap<>(Bytes.BYTES_COMPARATOR);
    for (Put put : puts) {
        byte[] row = put.getRow();
        List<Cell> cells = map.get(row);
        if (cells == null) {
            cells = new ArrayList<>();
            map.put(row, cells);
        }
        for (List<Cell> l : put.getFamilyCellMap().values()) {
            cells.addAll(l);
        }
    }
    // build the cell set
    CellSetModel model = new CellSetModel();
    for (Map.Entry<byte[], List<Cell>> e : map.entrySet()) {
        RowModel row = new RowModel(e.getKey());
        for (Cell cell : e.getValue()) {
            row.addCell(new CellModel(cell));
        }
        model.addRow(row);
    }
    // build path for multiput
    StringBuilder sb = new StringBuilder();
    sb.append('/');
    sb.append(Bytes.toString(name));
    // can be any nonexistent row
    sb.append("/$multiput");
    for (int i = 0; i < maxRetries; i++) {
        Response response = client.put(sb.toString(), Constants.MIMETYPE_PROTOBUF, model.createProtobufOutput());
        int code = response.getCode();
        switch(code) {
            case 200:
                return;
            case 509:
                try {
                    Thread.sleep(sleepTime);
                } catch (InterruptedException e) {
                    throw (InterruptedIOException) new InterruptedIOException().initCause(e);
                }
                break;
            default:
                throw new IOException("multiput request failed with " + code);
        }
    }
    throw new IOException("multiput request timed out");
}

Example 28 with RowModel

use of org.apache.hadoop.hbase.rest.model.RowModel in project hbase by apache.

the class RemoteHTable method buildModelFromPut.

protected CellSetModel buildModelFromPut(Put put) {
    RowModel row = new RowModel(put.getRow());
    long ts = put.getTimeStamp();
    for (List<Cell> cells : put.getFamilyCellMap().values()) {
        for (Cell cell : cells) {
            row.addCell(new CellModel(CellUtil.cloneFamily(cell), CellUtil.cloneQualifier(cell), ts != HConstants.LATEST_TIMESTAMP ? ts : cell.getTimestamp(), CellUtil.cloneValue(cell)));
        }
    }
    CellSetModel model = new CellSetModel();
    model.addRow(row);
    return model;
}

Example 29 with RowModel

use of org.apache.hadoop.hbase.rest.model.RowModel in project hbase by apache.

the class TestScannersWithFilters method verifyScanNoEarlyOut.

private static void verifyScanNoEarlyOut(Scan s, long expectedRows, long expectedKeys) throws Exception {
    ScannerModel model = ScannerModel.fromScan(s);
    // fetch it all at once
    model.setBatch(Integer.MAX_VALUE);
    StringWriter writer = new StringWriter();
    marshaller.marshal(model, writer);
    LOG.debug(writer.toString());
    byte[] body = Bytes.toBytes(writer.toString());
    Response response = client.put("/" + TABLE + "/scanner", Constants.MIMETYPE_XML, body);
    assertEquals(response.getCode(), 201);
    String scannerURI = response.getLocation();
    assertNotNull(scannerURI);
    // get a cell set
    response = client.get(scannerURI, Constants.MIMETYPE_XML);
    assertEquals(response.getCode(), 200);
    assertEquals(Constants.MIMETYPE_XML, response.getHeader("content-type"));
    CellSetModel cellSet = (CellSetModel) unmarshaller.unmarshal(new ByteArrayInputStream(response.getBody()));
    // delete the scanner
    response = client.delete(scannerURI);
    assertEquals(response.getCode(), 200);
    Iterator<RowModel> i = cellSet.getRows().iterator();
    int j = 0;
    for (boolean done = true; done; j++) {
        done = i.hasNext();
        if (!done)
            break;
        RowModel rowModel = i.next();
        List<CellModel> cells = rowModel.getCells();
        if (cells.isEmpty())
            break;
        assertTrue("Scanned too many rows! Only expected " + expectedRows + " total but already scanned " + (j + 1), expectedRows > j);
        assertEquals("Expected " + expectedKeys + " keys per row but " + "returned " + cells.size(), expectedKeys, cells.size());
    }
    assertEquals("Expected " + expectedRows + " rows but scanned " + j + " rows", expectedRows, j);
}

Example 30 with RowModel

use of org.apache.hadoop.hbase.rest.model.RowModel in project hbase by apache.

the class TestScannersWithFilters method verifyScan.

private static void verifyScan(Scan s, long expectedRows, long expectedKeys) throws Exception {
    ScannerModel model = ScannerModel.fromScan(s);
    // fetch it all at once
    model.setBatch(Integer.MAX_VALUE);
    StringWriter writer = new StringWriter();
    marshaller.marshal(model, writer);
    LOG.debug(writer.toString());
    byte[] body = Bytes.toBytes(writer.toString());
    Response response = client.put("/" + TABLE + "/scanner", Constants.MIMETYPE_XML, body);
    assertEquals(response.getCode(), 201);
    String scannerURI = response.getLocation();
    assertNotNull(scannerURI);
    // get a cell set
    response = client.get(scannerURI, Constants.MIMETYPE_XML);
    assertEquals(response.getCode(), 200);
    assertEquals(Constants.MIMETYPE_XML, response.getHeader("content-type"));
    CellSetModel cells = (CellSetModel) unmarshaller.unmarshal(new ByteArrayInputStream(response.getBody()));
    int rows = cells.getRows().size();
    assertTrue("Scanned too many rows! Only expected " + expectedRows + " total but scanned " + rows, expectedRows == rows);
    for (RowModel row : cells.getRows()) {
        int count = row.getCells().size();
        assertEquals("Expected " + expectedKeys + " keys per row but " + "returned " + count, expectedKeys, count);
    }
    // delete the scanner
    response = client.delete(scannerURI);
    assertEquals(response.getCode(), 200);
}