Package org.apache.hadoop.hbase.constraint

Examples of org.apache.hadoop.hbase.constraint.ConstraintException

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  public synchronized void remove(String name) throws IOException {
    if (get(name) == null) {
      throw new NamespaceNotFoundException(name);
    }
    if (NamespaceDescriptor.RESERVED_NAMESPACES.contains(name)) {
      throw new ConstraintException("Reserved namespace "+name+" cannot be removed.");
    }
    int tableCount;
    try {
      tableCount = masterServices.listTableDescriptorsByNamespace(name).size();
    } catch (FileNotFoundException fnfe) {
      throw new NamespaceNotFoundException(name);
    }
    if (tableCount > 0) {
      throw new ConstraintException("Only empty namespaces can be removed. " +
          "Namespace "+name+" has "+tableCount+" tables");
    }
    Delete d = new Delete(Bytes.toBytes(name));
    getNamespaceTable().delete(d);
    //don't abort if cleanup isn't complete
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  public synchronized void remove(String name) throws IOException {
    if (get(name) == null) {
      throw new NamespaceNotFoundException(name);
    }
    if (NamespaceDescriptor.RESERVED_NAMESPACES.contains(name)) {
      throw new ConstraintException("Reserved namespace "+name+" cannot be removed.");
    }
    int tableCount;
    try {
      tableCount = masterServices.listTableDescriptorsByNamespace(name).size();
    } catch (FileNotFoundException fnfe) {
      throw new NamespaceNotFoundException(name);
    }
    if (tableCount > 0) {
      throw new ConstraintException("Only empty namespaces can be removed. " +
          "Namespace "+name+" has "+tableCount+" tables");
    }
    Delete d = new Delete(Bytes.toBytes(name));
    getNamespaceTable().delete(d);
    //don't abort if cleanup isn't complete
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                    HTableDescriptor.NAMESPACE_COL_DESC_BYTES).getValue()));
  }

  public synchronized void create(NamespaceDescriptor ns) throws IOException {
    if (get(ns.getName()) != null) {
      throw new ConstraintException("Namespace "+ns.getName()+" already exists");
    }
    FileSystem fs = masterServices.getMasterFileSystem().getFileSystem();
    fs.mkdirs(FSUtils.getNamespaceDir(
        masterServices.getMasterFileSystem().getRootDir(), ns.getName()));
    upsert(ns);
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    upsert(ns);
  }

  public synchronized void update(NamespaceDescriptor ns) throws IOException {
    if (get(ns.getName()) == null) {
      throw new ConstraintException("Namespace "+ns.getName()+" does not exist");
    }
    upsert(ns);
  }
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    }
  }

  public synchronized void remove(String name) throws IOException {
    if (NamespaceDescriptor.RESERVED_NAMESPACES.contains(name)) {
      throw new ConstraintException("Reserved namespace "+name+" cannot be removed.");
    }
    int tableCount = masterServices.listTableDescriptorsByNamespace(name).size();
    if (tableCount > 0) {
      throw new ConstraintException("Only empty namespaces can be removed. " +
          "Namespace "+name+" has "+tableCount+" tables");
    }
    Delete d = new Delete(Bytes.toBytes(name));
    table.delete(d);
    //don't abort if cleanup isn't complete
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      throw new MasterNotRunningException();
    }

    String namespace = hTableDescriptor.getTableName().getNamespaceAsString();
    if (getNamespaceDescriptor(namespace) == null) {
      throw new ConstraintException("Namespace " + namespace + " does not exist");
    }
   
    HRegionInfo[] newRegions = getHRegionInfos(hTableDescriptor, splitKeys);
    checkInitialized();
    checkCompression(hTableDescriptor);
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  @Override
  public void preModifyTable(ObserverContext<MasterCoprocessorEnvironment> ctx,
      TableName tableName, HTableDescriptor htd) throws IOException {
    if (LABELS_TABLE_NAME.equals(tableName)) {
      throw new ConstraintException("Cannot alter " + LABELS_TABLE_NAME);
    }
  }
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  @Override
  public void preAddColumn(ObserverContext<MasterCoprocessorEnvironment> ctx, TableName tableName,
      HColumnDescriptor column) throws IOException {
    if (LABELS_TABLE_NAME.equals(tableName)) {
      throw new ConstraintException("Cannot alter " + LABELS_TABLE_NAME);
    }
  }
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  @Override
  public void preModifyColumn(ObserverContext<MasterCoprocessorEnvironment> ctx,
      TableName tableName, HColumnDescriptor descriptor) throws IOException {
    if (LABELS_TABLE_NAME.equals(tableName)) {
      throw new ConstraintException("Cannot alter " + LABELS_TABLE_NAME);
    }
  }
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  @Override
  public void preDeleteColumn(ObserverContext<MasterCoprocessorEnvironment> ctx,
      TableName tableName, byte[] c) throws IOException {
    if (LABELS_TABLE_NAME.equals(tableName)) {
      throw new ConstraintException("Cannot alter " + LABELS_TABLE_NAME);
    }
  }
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Related Classes of org.apache.hadoop.hbase.constraint.ConstraintException

  • org.apache.hadoop.hbase.master.handler.DisableTableHandler
  • org.apache.hadoop.hbase.master.HMaster
  • org.apache.hadoop.hbase.master.TableNamespaceManager
  • org.apache.hadoop.hbase.security.visibility.VisibilityController
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