Examples of org.apache.hadoop.hbase.master.MasterServices

org.apache.hadoop.hbase.master.MasterServices
Services Master supplies

      requirePermission("getTableDescriptors", Permission.Action.ADMIN);
    }
    // Otherwise, if the requestor has ADMIN or CREATE privs for all listed tables, the
    // request can be granted.
    else {
      MasterServices masterServices = ctx.getEnvironment().getMasterServices();
      for (String tableName: tableNamesList) {
        // Do not deny if the table does not exist
        byte[] nameAsBytes = Bytes.toBytes(tableName);
        try {
          masterServices.checkTableModifiable(nameAsBytes);
        } catch (TableNotFoundException ex) {
          // Skip checks for a table that does not exist
          continue;
        } catch (TableNotDisabledException ex) {
          // We don't care about this

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      requireGlobalPermission("getTableDescriptors", Permission.Action.ADMIN, null, null);
    }
    // Otherwise, if the requestor has ADMIN or CREATE privs for all listed tables, the
    // request can be granted.
    else {
      MasterServices masterServices = ctx.getEnvironment().getMasterServices();
      for (TableName tableName: tableNamesList) {
        // Do not deny if the table does not exist
        try {
          masterServices.checkTableModifiable(tableName);
        } catch (TableNotFoundException ex) {
          // Skip checks for a table that does not exist
          continue;
        } catch (TableNotDisabledException ex) {
          // We don't care about this

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   * @param htd
   * @throws IOException
   */
  private void modifyTable(final byte [] tableName, final HTableDescriptor htd)
  throws IOException {
    MasterServices services = TEST_UTIL.getMiniHBaseCluster().getMaster();
    ExecutorService executor = services.getExecutorService();
    AtomicBoolean done = new AtomicBoolean(false);
    executor.registerListener(EventType.C_M_MODIFY_TABLE, new DoneListener(done));
    this.admin.modifyTable(tableName, htd);
    while (!done.get()) {
      synchronized (done) {

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      requireGlobalPermission("getTableDescriptors", Action.ADMIN, null, null);
    }
    // Otherwise, if the requestor has ADMIN or CREATE privs for all listed tables, the
    // request can be granted.
    else {
      MasterServices masterServices = ctx.getEnvironment().getMasterServices();
      for (TableName tableName: tableNamesList) {
        // Do not deny if the table does not exist
        try {
          masterServices.checkTableModifiable(tableName);
        } catch (TableNotFoundException ex) {
          // Skip checks for a table that does not exist
          continue;
        } catch (TableNotDisabledException ex) {
          // We don't care about this

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  /********************************* Master related hooks **********************************/


  @Override
  public void postStartMaster(ObserverContext<MasterCoprocessorEnvironment> ctx) throws IOException {
    // Need to create the new system table for labels here
    MasterServices master = ctx.getEnvironment().getMasterServices();
    if (!MetaReader.tableExists(master.getCatalogTracker(), LABELS_TABLE_NAME)) {
      HTableDescriptor labelsTable = new HTableDescriptor(LABELS_TABLE_NAME);
      HColumnDescriptor labelsColumn = new HColumnDescriptor(LABELS_TABLE_FAMILY);
      labelsColumn.setBloomFilterType(BloomType.NONE);
      labelsColumn.setBlockCacheEnabled(false); // We will cache all the labels. No need of normal
                                                 // table block cache.
      labelsTable.addFamily(labelsColumn);
      // Let the "labels" table having only one region always. We are not expecting too many labels in
      // the system.
      labelsTable.setValue(HTableDescriptor.SPLIT_POLICY,
          DisabledRegionSplitPolicy.class.getName());
      labelsTable.setValue(Bytes.toBytes(HConstants.DISALLOW_WRITES_IN_RECOVERING),
          Bytes.toBytes(true));
      master.createTable(labelsTable, null);
    }
  }

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      requireGlobalPermission("getTableDescriptors", Permission.Action.ADMIN, null, null);
    }
    // Otherwise, if the requestor has ADMIN or CREATE privs for all listed tables, the
    // request can be granted.
    else {
      MasterServices masterServices = ctx.getEnvironment().getMasterServices();
      for (TableName tableName: tableNamesList) {
        // Do not deny if the table does not exist
        try {
          masterServices.checkTableModifiable(tableName);
        } catch (TableNotFoundException ex) {
          // Skip checks for a table that does not exist
          continue;
        } catch (TableNotDisabledException ex) {
          // We don't care about this

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   * @param htd
   * @throws IOException
   */
  private void modifyTable(final byte [] tableName, final HTableDescriptor htd)
  throws IOException {
    MasterServices services = TEST_UTIL.getMiniHBaseCluster().getMaster();
    ExecutorService executor = services.getExecutorService();
    AtomicBoolean done = new AtomicBoolean(false);
    executor.registerListener(EventType.C_M_MODIFY_TABLE, new DoneListener(done));
    this.admin.modifyTable(tableName, htd);
    while (!done.get()) {
      synchronized (done) {

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   * @param htd
   * @throws IOException
   */
  private void modifyTable(final byte [] tableName, final HTableDescriptor htd)
  throws IOException {
    MasterServices services = TEST_UTIL.getMiniHBaseCluster().getMaster();
    ExecutorService executor = services.getExecutorService();
    AtomicBoolean done = new AtomicBoolean(false);
    executor.registerListener(EventType.C_M_MODIFY_TABLE, new DoneListener(done));
    this.admin.modifyTable(tableName, htd);
    while (!done.get()) {
      synchronized (done) {

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   * @param htd
   * @throws IOException
   */
  private void modifyTable(final byte [] tableName, final HTableDescriptor htd)
  throws IOException {
    MasterServices services = TEST_UTIL.getMiniHBaseCluster().getMaster();
    ExecutorService executor = services.getExecutorService();
    AtomicBoolean done = new AtomicBoolean(false);
    executor.registerListener(EventType.C_M_MODIFY_TABLE, new DoneListener(done));
    this.admin.modifyTable(tableName, htd);
    while (!done.get()) {
      synchronized (done) {

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      requireGlobalPermission("getTableDescriptors", Permission.Action.ADMIN, null, null);
    }
    // Otherwise, if the requestor has ADMIN or CREATE privs for all listed tables, the
    // request can be granted.
    else {
      MasterServices masterServices = ctx.getEnvironment().getMasterServices();
      for (TableName tableName: tableNamesList) {
        // Do not deny if the table does not exist
        try {
          masterServices.checkTableModifiable(tableName);
        } catch (TableNotFoundException ex) {
          // Skip checks for a table that does not exist
          continue;
        } catch (TableNotDisabledException ex) {
          // We don't care about this

View Full Code Here

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org.apache.hadoop.hbase.index.coprocessor.master.IndexMasterObserver

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org.apache.hadoop.hbase.security.access.AccessController

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