Package org.apache.hadoop.hbase.client

Examples of org.apache.hadoop.hbase.client.HTable.coprocessorProxy()

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      Coprocessor.PRIORITY_HIGHEST, 1, conf);

    // initilize access control
    HTable acl = new HTable(conf, AccessControlLists.ACL_TABLE_NAME);
    try {
      AccessControllerProtocol protocol = acl.coprocessorProxy(AccessControllerProtocol.class,
        TEST_TABLE);

     protocol.grant(new UserPermission(Bytes.toBytes(USER_ADMIN.getShortName()),
        Permission.Action.ADMIN, Permission.Action.CREATE, Permission.Action.READ,
        Permission.Action.WRITE));
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    PrivilegedExceptionAction grantAction = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        HTable acl = new HTable(conf, AccessControlLists.ACL_TABLE_NAME);
        try {
          AccessControllerProtocol protocol = acl.coprocessorProxy(AccessControllerProtocol.class,
            TEST_TABLE);
          protocol.grant(new UserPermission(Bytes.toBytes(USER_RO.getShortName()), TEST_TABLE,
            TEST_FAMILY, (byte[]) null, Action.READ));
        } finally {
          acl.close();
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    PrivilegedExceptionAction revokeAction = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        HTable acl = new HTable(conf, AccessControlLists.ACL_TABLE_NAME);
        try {
          AccessControllerProtocol protocol = acl.coprocessorProxy(AccessControllerProtocol.class,
            TEST_TABLE);
          protocol.revoke(new UserPermission(Bytes.toBytes(USER_RO.getShortName()), TEST_TABLE,
            TEST_FAMILY, (byte[]) null, Action.READ));
        } finally {
          acl.close();
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    PrivilegedExceptionAction getPermissionsAction = new PrivilegedExceptionAction() {
      public Object run() throws Exception {
        HTable acl = new HTable(conf, AccessControlLists.ACL_TABLE_NAME);
        try {
          AccessControllerProtocol protocol = acl.coprocessorProxy(AccessControllerProtocol.class,
            TEST_TABLE);
          protocol.getUserPermissions(TEST_TABLE);
        } finally {
          acl.close();
        }
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    verifyDenied(gblUser, deleteActionAll, deleteAction1, deleteAction2);

    // grant table read permission
    HTable acl = new HTable(conf, AccessControlLists.ACL_TABLE_NAME);
    try {
      AccessControllerProtocol protocol = acl.coprocessorProxy(AccessControllerProtocol.class,
        tableName);
      protocol.grant(new UserPermission(Bytes.toBytes(tblUser.getShortName()), tableName, null,
        Permission.Action.READ));
      protocol.grant(new UserPermission(Bytes.toBytes(gblUser.getShortName()),
        Permission.Action.READ));
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    verifyDenied(gblUser, deleteActionAll, deleteAction1, deleteAction2);

    // grant table write permission
    acl = new HTable(conf, AccessControlLists.ACL_TABLE_NAME);
    try {
      AccessControllerProtocol protocol = acl.coprocessorProxy(AccessControllerProtocol.class,
        tableName);
      protocol.grant(new UserPermission(Bytes.toBytes(tblUser.getShortName()), tableName, null,
        Permission.Action.WRITE));
      protocol.grant(new UserPermission(Bytes.toBytes(gblUser.getShortName()),
        Permission.Action.WRITE));
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    verifyAllowed(gblUser, deleteActionAll, deleteAction1, deleteAction2);

    // revoke table permission
    acl = new HTable(conf, AccessControlLists.ACL_TABLE_NAME);
    try {
      AccessControllerProtocol protocol = acl.coprocessorProxy(AccessControllerProtocol.class,
        tableName);
      protocol.grant(new UserPermission(Bytes.toBytes(tblUser.getShortName()), tableName, null,
        Permission.Action.READ, Permission.Action.WRITE));
      protocol.revoke(new UserPermission(Bytes.toBytes(tblUser.getShortName()), tableName, null));
      protocol.revoke(new UserPermission(Bytes.toBytes(gblUser.getShortName())));
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    verifyDenied(gblUser, deleteActionAll, deleteAction1, deleteAction2);

    // grant column family read permission
    acl = new HTable(conf, AccessControlLists.ACL_TABLE_NAME);
    try {
      AccessControllerProtocol protocol = acl.coprocessorProxy(AccessControllerProtocol.class,
        tableName);
      protocol.grant(new UserPermission(Bytes.toBytes(tblUser.getShortName()), tableName, family1,
        Permission.Action.READ));
      protocol.grant(new UserPermission(Bytes.toBytes(gblUser.getShortName()),
        Permission.Action.READ));
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    verifyDenied(gblUser, deleteActionAll, deleteAction1, deleteAction2);

    // grant column family write permission
    acl = new HTable(conf, AccessControlLists.ACL_TABLE_NAME);
    try {
      AccessControllerProtocol protocol = acl.coprocessorProxy(AccessControllerProtocol.class,
        tableName);
      protocol.grant(new UserPermission(Bytes.toBytes(tblUser.getShortName()), tableName, family2,
        Permission.Action.WRITE));
      protocol.grant(new UserPermission(Bytes.toBytes(gblUser.getShortName()),
        Permission.Action.WRITE));
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    verifyAllowed(gblUser, deleteActionAll, deleteAction1, deleteAction2);

    // revoke column family permission
    acl = new HTable(conf, AccessControlLists.ACL_TABLE_NAME);
    try {
      AccessControllerProtocol protocol = acl.coprocessorProxy(AccessControllerProtocol.class,
        tableName);
      protocol.revoke(new UserPermission(Bytes.toBytes(tblUser.getShortName()), tableName, family2));
      protocol.revoke(new UserPermission(Bytes.toBytes(gblUser.getShortName())));
    } finally {
      acl.close();
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