Package org.apache.catalina.users

## Class GenericGroup<UD extends UserDatabase>

- java.lang.Object
- - org.apache.catalina.users.AbstractGroup
  - - org.apache.catalina.users.GenericGroup<UD>

- Type Parameters:
    `UD` - The specific type of UserDase with which this group is associated
  All Implemented Interfaces:
    `java.security.Principal`, `Group`
  Direct Known Subclasses:
    `MemoryGroup`

      public class GenericGroup<UD extends UserDatabase>
      extends AbstractGroup

  Concrete implementation of `Group` for a `UserDatabase`.

  Author:
    Craig R. McClanahan

- - ### Field Summary

    Fields
    Modifier and Type | Field | Description
    --- | --- | ---
    `protected UD` | `database` | The `UserDatabase` that owns this group.
    `protected java.util.concurrent.CopyOnWriteArrayList<Role>` | `roles` | 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
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | `addRole​(Role role)` | Add a new `Role` to those assigned specifically to this group.
    `boolean` | `equals​(java.lang.Object obj)` |
    `java.util.Iterator<Role>` | `getRoles()` | Return the set of `Role`s assigned specifically to this group.
    `UserDatabase` | `getUserDatabase()` | Return the `UserDatabase` within which this Group is defined.
    `java.util.Iterator<User>` | `getUsers()` | Return the set of `User`s that are members of this group.
    `int` | `hashCode()` |
    `boolean` | `isInRole​(Role role)` | Is this group specifically assigned the specified `Role`?
    `void` | `removeRole​(Role role)` | Remove a `Role` from those assigned to this group.
    `void` | `removeRoles()` | Remove all `Role`s from those assigned to this group.

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

      `getDescription, getGroupname, getName, setDescription, setGroupname`

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

      `clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait`

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

      `implies, toString`

- - ### Field Detail

    - #### database

          protected final UD extends UserDatabase database

      The `UserDatabase` that owns this group.

    - #### roles

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

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

  - ### Method Detail

    - #### getRoles

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

      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()

      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()

      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)

      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)

      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)

      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()

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

    - #### equals

          public boolean equals​(java.lang.Object obj)

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

    - #### hashCode

          public int hashCode()

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