Examples with Result org.apache.hadoop.hbase.client.Result used on opensource projects

Example 21 with Result

use of org.apache.hadoop.hbase.client.Result in project hbase by apache.

the class AccessControlLists method loadAll.

/**
   * Load all permissions from the region server holding {@code _acl_},
   * primarily intended for testing purposes.
   */
static Map<byte[], ListMultimap<String, TablePermission>> loadAll(Configuration conf) throws IOException {
    Map<byte[], ListMultimap<String, TablePermission>> allPerms = new TreeMap<>(Bytes.BYTES_RAWCOMPARATOR);
    // do a full scan of _acl_, filtering on only first table region rows
    Scan scan = new Scan();
    scan.addFamily(ACL_LIST_FAMILY);
    ResultScanner scanner = null;
    // TODO: Pass in a Connection rather than create one each time.
    try (Connection connection = ConnectionFactory.createConnection(conf)) {
        try (Table table = connection.getTable(ACL_TABLE_NAME)) {
            scanner = table.getScanner(scan);
            try {
                for (Result row : scanner) {
                    ListMultimap<String, TablePermission> resultPerms = parsePermissions(row.getRow(), row);
                    allPerms.put(row.getRow(), resultPerms);
                }
            } finally {
                if (scanner != null)
                    scanner.close();
            }
        }
    }
    return allPerms;
}

Example 22 with Result

use of org.apache.hadoop.hbase.client.Result in project hbase by apache.

the class HBaseTestingUtility method deleteTableData.

//
// ==========================================================================
/**
   * Provide an existing table name to truncate.
   * Scans the table and issues a delete for each row read.
   * @param tableName existing table
   * @return HTable to that new table
   * @throws IOException
   */
public Table deleteTableData(TableName tableName) throws IOException {
    Table table = getConnection().getTable(tableName);
    Scan scan = new Scan();
    ResultScanner resScan = table.getScanner(scan);
    for (Result res : resScan) {
        Delete del = new Delete(res.getRow());
        table.delete(del);
    }
    resScan = table.getScanner(scan);
    resScan.close();
    return table;
}

Example 23 with Result

use of org.apache.hadoop.hbase.client.Result in project hbase by apache.

the class HBaseTestingUtility method findLastTableState.

@Nullable
public TableState findLastTableState(final TableName table) throws IOException {
    final AtomicReference<TableState> lastTableState = new AtomicReference<>(null);
    MetaTableAccessor.Visitor visitor = new MetaTableAccessor.Visitor() {

        @Override
        public boolean visit(Result r) throws IOException {
            if (!Arrays.equals(r.getRow(), table.getName()))
                return false;
            TableState state = MetaTableAccessor.getTableState(r);
            if (state != null)
                lastTableState.set(state);
            return true;
        }
    };
    MetaTableAccessor.scanMeta(connection, null, null, MetaTableAccessor.QueryType.TABLE, Integer.MAX_VALUE, visitor);
    return lastTableState.get();
}

Example 24 with Result

use of org.apache.hadoop.hbase.client.Result in project hbase by apache.

the class HBaseTestingUtility method verifyNumericRows.

public void verifyNumericRows(Table table, final byte[] f, int startRow, int endRow, int replicaId) throws IOException {
    for (int i = startRow; i < endRow; i++) {
        String failMsg = "Failed verification of row :" + i;
        byte[] data = Bytes.toBytes(String.valueOf(i));
        Get get = new Get(data);
        get.setReplicaId(replicaId);
        get.setConsistency(Consistency.TIMELINE);
        Result result = table.get(get);
        assertTrue(failMsg, result.containsColumn(f, null));
        assertEquals(failMsg, result.getColumnCells(f, null).size(), 1);
        Cell cell = result.getColumnLatestCell(f, null);
        assertTrue(failMsg, Bytes.equals(data, 0, data.length, cell.getValueArray(), cell.getValueOffset(), cell.getValueLength()));
    }
}

Example 25 with Result

use of org.apache.hadoop.hbase.client.Result in project hbase by apache.

the class HBaseTestCase method assertResultEquals.

protected void assertResultEquals(final HRegion region, final byte[] row, final byte[] family, final byte[] qualifier, final long timestamp, final byte[] value) throws IOException {
    Get get = new Get(row);
    get.setTimeStamp(timestamp);
    Result res = region.get(get);
    NavigableMap<byte[], NavigableMap<byte[], NavigableMap<Long, byte[]>>> map = res.getMap();
    byte[] res_value = map.get(family).get(qualifier).get(timestamp);
    if (value == null) {
        assertEquals(Bytes.toString(family) + " " + Bytes.toString(qualifier) + " at timestamp " + timestamp, null, res_value);
    } else {
        if (res_value == null) {
            fail(Bytes.toString(family) + " " + Bytes.toString(qualifier) + " at timestamp " + timestamp + "\" was expected to be \"" + Bytes.toStringBinary(value) + " but was null");
        }
        if (res_value != null) {
            assertEquals(Bytes.toString(family) + " " + Bytes.toString(qualifier) + " at timestamp " + timestamp, value, new String(res_value));
        }
    }
}