Package org.apache.catalina.users

## Class MemoryGroup

- java.lang.Object
- - org.apache.catalina.users.AbstractGroup
  - - org.apache.catalina.users.MemoryGroup

- All Implemented Interfaces:
    `java.security.Principal`, `Group`

      @Deprecated
      public class MemoryGroup
      extends AbstractGroup

  Deprecated.
  Use `AbstractGroup` instead.

  Concrete implementation of `Group` for the `MemoryUserDatabase` implementation of `UserDatabase`.

  Since:
    4.1
  Author:
    Craig R. McClanahan

- - ### Field Summary

    Fields
    Modifier and Type | Field | Description
    --- | --- | ---
    `protected MemoryUserDatabase` | `database` | Deprecated. The `MemoryUserDatabase` that owns this group.
    `protected java.util.concurrent.CopyOnWriteArrayList<Role>` | `roles` | Deprecated. The set of `Role`s associated with this group.

    - ### Fields inherited from class org.apache.catalina.users.AbstractGroup

      `description, groupname`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods Deprecated Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | `addRole​(Role role)` | Deprecated. Add a new `Role` to those assigned specifically to this group.
    `java.util.Iterator<Role>` | `getRoles()` | Deprecated. Return the set of `Role`s assigned specifically to this group.
    `UserDatabase` | `getUserDatabase()` | Deprecated. Return the `UserDatabase` within which this Group is defined.
    `java.util.Iterator<User>` | `getUsers()` | Deprecated. Return the set of `User`s that are members of this group.
    `boolean` | `isInRole​(Role role)` | Deprecated. Is this group specifically assigned the specified `Role`?
    `void` | `removeRole​(Role role)` | Deprecated. Remove a `Role` from those assigned to this group.
    `void` | `removeRoles()` | Deprecated. Remove all `Role`s from those assigned to this group.
    `java.lang.String` | `toString()` | Deprecated. Return a String representation of this group in XML format.

    - ### Methods inherited from class org.apache.catalina.users.AbstractGroup

      `getDescription, getGroupname, getName, setDescription, setGroupname`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

    - ### Methods inherited from interface java.security.Principal

      `equals, hashCode, implies`

- - ### Field Detail

    - #### database

          protected final MemoryUserDatabase database

      Deprecated.
      The `MemoryUserDatabase` that owns this group.

    - #### roles

          protected final java.util.concurrent.CopyOnWriteArrayList<Role> roles

      Deprecated.
      The set of `Role`s associated with this group.

  - ### Method Detail

    - #### getRoles

          public java.util.Iterator<Role> getRoles()

      Deprecated.
      Return the set of `Role`s assigned specifically to this group.
      Specified by:
        `getRoles` in interface `Group`
      Specified by:
        `getRoles` in class `AbstractGroup`
      Returns:
        the set of `Role`s assigned specifically to this group.

    - #### getUserDatabase

          public UserDatabase getUserDatabase()

      Deprecated.
      Return the `UserDatabase` within which this Group is defined.
      Specified by:
        `getUserDatabase` in interface `Group`
      Specified by:
        `getUserDatabase` in class `AbstractGroup`
      Returns:
        the `UserDatabase` within which this Group is defined.

    - #### getUsers

          public java.util.Iterator<User> getUsers()

      Deprecated.
      Return the set of `User`s that are members of this group.
      Specified by:
        `getUsers` in interface `Group`
      Specified by:
        `getUsers` in class `AbstractGroup`
      Returns:
        the set of `User`s that are members of this group.

    - #### addRole

          public void addRole​(Role role)

      Deprecated.
      Add a new `Role` to those assigned specifically to this group.
      Specified by:
        `addRole` in interface `Group`
      Specified by:
        `addRole` in class `AbstractGroup`
      Parameters:
        `role` - The new role

    - #### isInRole

          public boolean isInRole​(Role role)

      Deprecated.
      Is this group specifically assigned the specified `Role`?
      Specified by:
        `isInRole` in interface `Group`
      Specified by:
        `isInRole` in class `AbstractGroup`
      Parameters:
        `role` - The role to check
      Returns:
        `true` if the group is assigned to the specified role otherwise `false`

    - #### removeRole

          public void removeRole​(Role role)

      Deprecated.
      Remove a `Role` from those assigned to this group.
      Specified by:
        `removeRole` in interface `Group`
      Specified by:
        `removeRole` in class `AbstractGroup`
      Parameters:
        `role` - The old role

    - #### removeRoles

          public void removeRoles()

      Deprecated.
      Remove all `Role`s from those assigned to this group.
      Specified by:
        `removeRoles` in interface `Group`
      Specified by:
        `removeRoles` in class `AbstractGroup`

    - #### toString

          public java.lang.String toString()

      Deprecated.

      Return a String representation of this group in XML format.

      Specified by:
        `toString` in interface `java.security.Principal`
      Overrides:
        `toString` in class `java.lang.Object`