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

Example 1 with HTableDescriptor

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

the class AsyncHBaseAdmin method getTableDescriptor.

@Override
public CompletableFuture<HTableDescriptor> getTableDescriptor(TableName tableName) {
    CompletableFuture<HTableDescriptor> future = new CompletableFuture<>();
    this.<List<TableSchema>>newMasterCaller().action((controller, stub) -> this.<GetTableDescriptorsRequest, GetTableDescriptorsResponse, List<TableSchema>>call(controller, stub, RequestConverter.buildGetTableDescriptorsRequest(tableName), (s, c, req, done) -> s.getTableDescriptors(c, req, done), (resp) -> resp.getTableSchemaList())).call().whenComplete((tableSchemas, error) -> {
        if (error != null) {
            future.completeExceptionally(error);
            return;
        }
        if (!tableSchemas.isEmpty()) {
            future.complete(ProtobufUtil.convertToHTableDesc(tableSchemas.get(0)));
        } else {
            future.completeExceptionally(new TableNotFoundException(tableName.getNameAsString()));
        }
    });
    return future;
}

Example 2 with HTableDescriptor

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

the class TestBatchCoprocessorEndpoint method setupBeforeClass.

@BeforeClass
public static void setupBeforeClass() throws Exception {
    // set configure to indicate which cp should be loaded
    Configuration conf = util.getConfiguration();
    conf.setStrings(CoprocessorHost.REGION_COPROCESSOR_CONF_KEY, org.apache.hadoop.hbase.coprocessor.ColumnAggregationEndpoint.class.getName(), ProtobufCoprocessorService.class.getName(), ColumnAggregationEndpointWithErrors.class.getName(), ColumnAggregationEndpointNullResponse.class.getName());
    conf.setStrings(CoprocessorHost.MASTER_COPROCESSOR_CONF_KEY, ProtobufCoprocessorService.class.getName());
    util.startMiniCluster(2);
    Admin admin = util.getAdmin();
    HTableDescriptor desc = new HTableDescriptor(TEST_TABLE);
    desc.addFamily(new HColumnDescriptor(TEST_FAMILY));
    admin.createTable(desc, new byte[][] { ROWS[rowSeperator1], ROWS[rowSeperator2] });
    util.waitUntilAllRegionsAssigned(TEST_TABLE);
    admin.close();
    Table table = util.getConnection().getTable(TEST_TABLE);
    for (int i = 0; i < ROWSIZE; i++) {
        Put put = new Put(ROWS[i]);
        put.addColumn(TEST_FAMILY, TEST_QUALIFIER, Bytes.toBytes(i));
        table.put(put);
    }
    table.close();
}

Example 3 with HTableDescriptor

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

the class TestCoprocessorEndpoint method setupBeforeClass.

@BeforeClass
public static void setupBeforeClass() throws Exception {
    // set configure to indicate which cp should be loaded
    Configuration conf = util.getConfiguration();
    conf.setInt(HConstants.HBASE_CLIENT_OPERATION_TIMEOUT, 5000);
    conf.setStrings(CoprocessorHost.REGION_COPROCESSOR_CONF_KEY, org.apache.hadoop.hbase.coprocessor.ColumnAggregationEndpoint.class.getName(), ProtobufCoprocessorService.class.getName());
    conf.setStrings(CoprocessorHost.MASTER_COPROCESSOR_CONF_KEY, ProtobufCoprocessorService.class.getName());
    util.startMiniCluster(2);
    Admin admin = util.getAdmin();
    HTableDescriptor desc = new HTableDescriptor(TEST_TABLE);
    desc.addFamily(new HColumnDescriptor(TEST_FAMILY));
    admin.createTable(desc, new byte[][] { ROWS[rowSeperator1], ROWS[rowSeperator2] });
    util.waitUntilAllRegionsAssigned(TEST_TABLE);
    Table table = util.getConnection().getTable(TEST_TABLE);
    for (int i = 0; i < ROWSIZE; i++) {
        Put put = new Put(ROWS[i]);
        put.addColumn(TEST_FAMILY, TEST_QUALIFIER, Bytes.toBytes(i));
        table.put(put);
    }
    table.close();
}

Example 4 with HTableDescriptor

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

the class BackupManager method createBackupInfo.

/**
   * Creates a backup info based on input backup request.
   * @param backupId backup id
   * @param type type
   * @param tableList table list
   * @param targetRootDir root dir
   * @param workers number of parallel workers
   * @param bandwidth bandwidth per worker in MB per sec
   * @return BackupInfo
   * @throws BackupException exception
   */
public BackupInfo createBackupInfo(String backupId, BackupType type, List<TableName> tableList, String targetRootDir, int workers, long bandwidth) throws BackupException {
    if (targetRootDir == null) {
        throw new BackupException("Wrong backup request parameter: target backup root directory");
    }
    if (type == BackupType.FULL && (tableList == null || tableList.isEmpty())) {
        // If table list is null for full backup, which means backup all tables. Then fill the table
        // list with all user tables from meta. It no table available, throw the request exception.
        HTableDescriptor[] htds = null;
        try (Admin admin = conn.getAdmin()) {
            htds = admin.listTables();
        } catch (Exception e) {
            throw new BackupException(e);
        }
        if (htds == null) {
            throw new BackupException("No table exists for full backup of all tables.");
        } else {
            tableList = new ArrayList<>();
            for (HTableDescriptor hTableDescriptor : htds) {
                TableName tn = hTableDescriptor.getTableName();
                if (tn.equals(BackupSystemTable.getTableName(conf))) {
                    // skip backup system table
                    continue;
                }
                tableList.add(hTableDescriptor.getTableName());
            }
            LOG.info("Full backup all the tables available in the cluster: " + tableList);
        }
    }
    // there are one or more tables in the table list
    backupInfo = new BackupInfo(backupId, type, tableList.toArray(new TableName[tableList.size()]), targetRootDir);
    backupInfo.setBandwidth(bandwidth);
    backupInfo.setWorkers(workers);
    return backupInfo;
}

Example 5 with HTableDescriptor

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

the class TestRSGroupBasedLoadBalancer method getTableName.

private TableName getTableName(ServerName sn) throws IOException {
    TableName tableName = null;
    RSGroupInfoManager gm = getMockedGroupInfoManager();
    RSGroupInfo groupOfServer = null;
    for (RSGroupInfo gInfo : gm.listRSGroups()) {
        if (gInfo.containsServer(sn.getAddress())) {
            groupOfServer = gInfo;
            break;
        }
    }
    for (HTableDescriptor desc : tableDescs) {
        if (gm.getRSGroupOfTable(desc.getTableName()).endsWith(groupOfServer.getName())) {
            tableName = desc.getTableName();
        }
    }
    return tableName;
}