GroupManager (edoras one Javadoc)

```
public interface GroupManager
```
Manager to retrieve current group information. All APIs are restricted to the current tenant unless specifically noted otherwise.

Method Summary

Methods
Modifier and Type	Method and Description
`com.edorasware.commons.core.entity.GroupId`	`createGroup(Group group)` Persists the given `Group` object as an `AnyWorkObject` with type `Group.ENTITY_TYPE`.
`com.google.common.base.Optional<Group>`	`findGroup(com.edorasware.commons.core.query.Predicate predicate)` Finds the `Group` that matches the given predicate.
`com.google.common.collect.ImmutableList<Group>`	`findGroups(com.edorasware.commons.core.query.Predicate predicate)` Finds the `Group`s that match the given predicate.
`SystemGroups`	`getCurrentSystemGroups()` Returns the current system groups.
`Group`	`getGroup(com.edorasware.commons.core.entity.GroupId groupId)` Returns the group with the given id.
`com.edorasware.commons.core.entity.GroupId`	`updateGroup(Group group)` Updates an already persisted group.

- Method Detail
  - getGroup
```
Group getGroup(com.edorasware.commons.core.entity.GroupId groupId)
```
    Returns the group with the given id.
    
    Parameters:
    groupId - the group id, not null
    
    Returns:
    the group with the given id, never null
    
    Throws:
    
    com.edorasware.commons.core.entity.EntityNotFoundException - if a group with the given id does not exist
  - getCurrentSystemGroups
```
SystemGroups getCurrentSystemGroups()
```
    Returns the current system groups.
    
    Returns:
    the current system groups, never null
  - findGroup
```
com.google.common.base.Optional<Group> findGroup(com.edorasware.commons.core.query.Predicate predicate)
```
    Finds the Group that matches the given predicate.
    
    Parameters:
    predicate - the predicate to apply, never null
    
    Returns:
    the matching group if any, never null
    
    Throws:
    
    IllegalStateException - if more than one matching user is found
  - findGroups
```
com.google.common.collect.ImmutableList<Group> findGroups(com.edorasware.commons.core.query.Predicate predicate)
```
    Finds the Groups that match the given predicate.
    
    Parameters:
    predicate - the predicate to apply, never null
    
    Returns:
    the matching groups if any, never null
  - createGroup
```
com.edorasware.commons.core.entity.GroupId createGroup(Group group)
```
    Persists the given Group object as an AnyWorkObject with type Group.ENTITY_TYPE.
    
    Parameters:
    group - the group to be created, not null
    
    Returns:
    the group id of the created group
    
    Throws:
    
    IllegalArgumentException - if the given group is null
  - updateGroup
```
com.edorasware.commons.core.entity.GroupId updateGroup(Group group)
```
    Updates an already persisted group. All group properties are updated except the following id's:
    Parameters:
    group - the group to be updated, not null
    
    Returns:
    the group id of the updated user
    
    Throws:
    
    IllegalArgumentException - if the given group is null or the id of the group is undefined

Interface GroupManager

Method Summary

Method Detail

getGroup

getCurrentSystemGroups

findGroup

findGroups

createGroup

updateGroup