Java Code Examples for org.apache.hadoop.hbase.util.Bytes#len()
The following examples show how to use
org.apache.hadoop.hbase.util.Bytes#len() .
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Example 1
Source File: AccessControlUtil.java From hbase with Apache License 2.0 | 6 votes |
/** * Validates whether specified user has permission to perform actions on the mentioned table, * column family or column qualifier. * @param controller RpcController * @param protocol the AccessControlService protocol proxy * @param tableName Table name, it shouldn't be null or empty. * @param columnFamily The column family. Optional argument, can be empty. If empty then * validation will happen at table level. * @param columnQualifier The column qualifier. Optional argument, can be empty. If empty then * validation will happen at table and column family level. columnQualifier will not be * considered if columnFamily is passed as null or empty. * @param userName User name, it shouldn't be null or empty. * @param actions Actions * @return true if access allowed, otherwise false * @throws ServiceException * @deprecated Use {@link Admin#hasUserPermissions(String, List)} instead. */ @Deprecated public static boolean hasPermission(RpcController controller, AccessControlService.BlockingInterface protocol, TableName tableName, byte[] columnFamily, byte[] columnQualifier, String userName, Permission.Action[] actions) throws ServiceException { AccessControlProtos.TablePermission.Builder tablePermissionBuilder = AccessControlProtos.TablePermission.newBuilder(); tablePermissionBuilder .setTableName(ProtobufUtil.toProtoTableName(tableName)); if (Bytes.len(columnFamily) > 0) { tablePermissionBuilder.setFamily(UnsafeByteOperations.unsafeWrap(columnFamily)); } if (Bytes.len(columnQualifier) > 0) { tablePermissionBuilder.setQualifier(UnsafeByteOperations.unsafeWrap(columnQualifier)); } for (Permission.Action a : actions) { tablePermissionBuilder.addAction(toPermissionAction(a)); } AccessControlProtos.HasPermissionRequest request = AccessControlProtos.HasPermissionRequest .newBuilder().setTablePermission(tablePermissionBuilder) .setUserName(ByteString.copyFromUtf8(userName)).build(); AccessControlProtos.HasPermissionResponse response = protocol.hasPermission(controller, request); return response.getHasPermission(); }
Example 2
Source File: AccessControlUtil.java From hbase with Apache License 2.0 | 5 votes |
/** * A utility used to get user table permissions based on the column family, column qualifier and * user name. * @param controller RpcController * @param protocol the AccessControlService protocol proxy * @param t optional table name * @param columnFamily Column family * @param columnQualifier Column qualifier * @param userName User name, if empty then all user permissions will be retrieved. * @throws ServiceException * @deprecated Use {@link Admin#getUserPermissions(GetUserPermissionsRequest)} instead. */ @Deprecated public static List<UserPermission> getUserPermissions(RpcController controller, AccessControlService.BlockingInterface protocol, TableName t, byte[] columnFamily, byte[] columnQualifier, String userName) throws ServiceException { AccessControlProtos.GetUserPermissionsRequest.Builder builder = AccessControlProtos.GetUserPermissionsRequest.newBuilder(); if (t != null) { builder.setTableName(ProtobufUtil.toProtoTableName(t)); } if (Bytes.len(columnFamily) > 0) { builder.setColumnFamily(ByteString.copyFrom(columnFamily)); } if (Bytes.len(columnQualifier) > 0) { builder.setColumnQualifier(ByteString.copyFrom(columnQualifier)); } if (!StringUtils.isEmpty(userName)) { builder.setUserName(ByteString.copyFromUtf8(userName)); } builder.setType(AccessControlProtos.Permission.Type.Table); AccessControlProtos.GetUserPermissionsRequest request = builder.build(); AccessControlProtos.GetUserPermissionsResponse response = protocol.getUserPermissions(controller, request); List<UserPermission> perms = new ArrayList<>(response.getUserPermissionCount()); for (AccessControlProtos.UserPermission perm : response.getUserPermissionList()) { perms.add(toUserPermission(perm)); } return perms; }
Example 3
Source File: Scan.java From hbase with Apache License 2.0 | 3 votes |
/** * Set the start row of the scan. * <p> * If the specified row does not exist, or the {@code inclusive} is {@code false}, the Scanner * will start from the next closest row after the specified row. * @param startRow row to start scanner at or after * @param inclusive whether we should include the start row when scan * @return this * @throws IllegalArgumentException if startRow does not meet criteria for a row key (when length * exceeds {@link HConstants#MAX_ROW_LENGTH}) */ public Scan withStartRow(byte[] startRow, boolean inclusive) { if (Bytes.len(startRow) > HConstants.MAX_ROW_LENGTH) { throw new IllegalArgumentException("startRow's length must be less than or equal to " + HConstants.MAX_ROW_LENGTH + " to meet the criteria" + " for a row key."); } this.startRow = startRow; this.includeStartRow = inclusive; return this; }
Example 4
Source File: Scan.java From hbase with Apache License 2.0 | 3 votes |
/** * Set the stop row of the scan. * <p> * The scan will include rows that are lexicographically less than (or equal to if * {@code inclusive} is {@code true}) the provided stopRow. * @param stopRow row to end at * @param inclusive whether we should include the stop row when scan * @return this * @throws IllegalArgumentException if stopRow does not meet criteria for a row key (when length * exceeds {@link HConstants#MAX_ROW_LENGTH}) */ public Scan withStopRow(byte[] stopRow, boolean inclusive) { if (Bytes.len(stopRow) > HConstants.MAX_ROW_LENGTH) { throw new IllegalArgumentException("stopRow's length must be less than or equal to " + HConstants.MAX_ROW_LENGTH + " to meet the criteria" + " for a row key."); } this.stopRow = stopRow; this.includeStopRow = inclusive; return this; }