Examples with Cell org.apache.hadoop.hbase.Cell used on opensource projects

Example 36 with Cell

use of org.apache.hadoop.hbase.Cell in project hbase by apache.

the class ProtobufStreamingUtil method createModelFromResults.

private CellSetModel createModelFromResults(Result[] results) {
    CellSetModel cellSetModel = new CellSetModel();
    for (Result rs : results) {
        byte[] rowKey = rs.getRow();
        RowModel rModel = new RowModel(rowKey);
        List<Cell> kvs = rs.listCells();
        for (Cell kv : kvs) {
            rModel.addCell(new CellModel(CellUtil.cloneFamily(kv), CellUtil.cloneQualifier(kv), kv.getTimestamp(), CellUtil.cloneValue(kv)));
        }
        cellSetModel.addRow(rModel);
    }
    return cellSetModel;
}

Example 37 with Cell

use of org.apache.hadoop.hbase.Cell in project hbase by apache.

the class AbstractMemStore method add.

@Override
public void add(Cell cell, MemstoreSize memstoreSize) {
    Cell toAdd = maybeCloneWithAllocator(cell);
    boolean mslabUsed = (toAdd != cell);
    // 3. When cells are from Append/Increment operation.
    if (!mslabUsed) {
        toAdd = deepCopyIfNeeded(toAdd);
    }
    internalAdd(toAdd, mslabUsed, memstoreSize);
}

Example 38 with Cell

use of org.apache.hadoop.hbase.Cell in project hbase by apache.

the class DefaultVisibilityLabelServiceImpl method extractLabelsAndAuths.

protected Pair<Map<String, Integer>, Map<String, List<Integer>>> extractLabelsAndAuths(List<List<Cell>> labelDetails) {
    Map<String, Integer> labels = new HashMap<>();
    Map<String, List<Integer>> userAuths = new HashMap<>();
    for (List<Cell> cells : labelDetails) {
        for (Cell cell : cells) {
            if (CellUtil.matchingQualifier(cell, LABEL_QUALIFIER)) {
                labels.put(Bytes.toString(cell.getValueArray(), cell.getValueOffset(), cell.getValueLength()), CellUtil.getRowAsInt(cell));
            } else {
                // These are user cells who has authorization for this label
                String user = Bytes.toString(cell.getQualifierArray(), cell.getQualifierOffset(), cell.getQualifierLength());
                List<Integer> auths = userAuths.get(user);
                if (auths == null) {
                    auths = new ArrayList<>();
                    userAuths.put(user, auths);
                }
                auths.add(CellUtil.getRowAsInt(cell));
            }
        }
    }
    return new Pair<>(labels, userAuths);
}

Example 39 with Cell

use of org.apache.hadoop.hbase.Cell in project hbase by apache.

the class VisibilityController method prePrepareTimeStampForDeleteVersion.

@Override
public void prePrepareTimeStampForDeleteVersion(ObserverContext<RegionCoprocessorEnvironment> ctx, Mutation delete, Cell cell, byte[] byteNow, Get get) throws IOException {
    // Nothing to do if we are not filtering by visibility
    if (!authorizationEnabled) {
        return;
    }
    CellVisibility cellVisibility = null;
    try {
        cellVisibility = delete.getCellVisibility();
    } catch (DeserializationException de) {
        throw new IOException("Invalid cell visibility specified " + delete, de);
    }
    // The check for checkForReservedVisibilityTagPresence happens in preBatchMutate happens.
    // It happens for every mutation and that would be enough.
    List<Tag> visibilityTags = new ArrayList<>();
    if (cellVisibility != null) {
        String labelsExp = cellVisibility.getExpression();
        try {
            visibilityTags = this.visibilityLabelService.createVisibilityExpTags(labelsExp, false, false);
        } catch (InvalidLabelException e) {
            throw new IOException("Invalid cell visibility specified " + labelsExp, e);
        }
    }
    get.setFilter(new DeleteVersionVisibilityExpressionFilter(visibilityTags, VisibilityConstants.SORTED_ORDINAL_SERIALIZATION_FORMAT));
    List<Cell> result = ctx.getEnvironment().getRegion().get(get, false);
    if (result.size() < get.getMaxVersions()) {
        // Nothing to delete
        CellUtil.updateLatestStamp(cell, byteNow, 0);
        return;
    }
    if (result.size() > get.getMaxVersions()) {
        throw new RuntimeException("Unexpected size: " + result.size() + ". Results more than the max versions obtained.");
    }
    Cell getCell = result.get(get.getMaxVersions() - 1);
    CellUtil.setTimestamp(cell, getCell.getTimestamp());
    // We are bypassing here because in the HRegion.updateDeleteLatestVersionTimeStamp we would
    // update with the current timestamp after again doing a get. As the hook as already determined
    // the needed timestamp we need to bypass here.
    // TODO : See if HRegion.updateDeleteLatestVersionTimeStamp() could be
    // called only if the hook is not called.
    ctx.bypass();
}

Example 40 with Cell

use of org.apache.hadoop.hbase.Cell in project hbase by apache.

the class VisibilityController method postMutationBeforeWAL.

@Override
public Cell postMutationBeforeWAL(ObserverContext<RegionCoprocessorEnvironment> ctx, MutationType opType, Mutation mutation, Cell oldCell, Cell newCell) throws IOException {
    List<Tag> tags = Lists.newArrayList();
    CellVisibility cellVisibility = null;
    try {
        cellVisibility = mutation.getCellVisibility();
    } catch (DeserializationException e) {
        throw new IOException(e);
    }
    if (cellVisibility == null) {
        return newCell;
    }
    // Prepend new visibility tags to a new list of tags for the cell
    // Don't check user auths for labels with Mutations when the user is super user
    boolean authCheck = authorizationEnabled && checkAuths && !(isSystemOrSuperUser());
    tags.addAll(this.visibilityLabelService.createVisibilityExpTags(cellVisibility.getExpression(), true, authCheck));
    // Carry forward all other tags
    Iterator<Tag> tagsItr = CellUtil.tagsIterator(newCell);
    while (tagsItr.hasNext()) {
        Tag tag = tagsItr.next();
        if (tag.getType() != TagType.VISIBILITY_TAG_TYPE && tag.getType() != TagType.VISIBILITY_EXP_SERIALIZATION_FORMAT_TAG_TYPE) {
            tags.add(tag);
        }
    }
    Cell rewriteCell = CellUtil.createCell(newCell, tags);
    return rewriteCell;
}