fd5e74ca
 jcartign
First student ver...
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package fr.plil.sio.persistence.api;
public interface GroupService {
/**
* Create a group with a specific name in the database.
* There is no two groups with the same name in the database.
*
* @param name the name of the group
* @return an instance of the group
* @throws IllegalArgumentException if name is null
* @throws IllegalStateException if a group with the same name is already present
*/
Group create(String name);
/**
* Delete a group in the database. Remove all users in the group.
*
* @param name the name of the group to remove
* @return true if group has been deleted, false if group is not found in the database.
* @throws IllegalArgumentException if name is null
*/
boolean delete(String name);
/**
* Find a group in the database based on its name.
*
* @param name the name of the group to search for.
* @return an instance of the group if found, else null.
* @throws IllegalArgumentException if name is null
*/
Group findByName(String name);
/**
* Add a right in the group. Right is inserted at the end of rights list of the group.
*
* @param groupName the name of the group.
* @param right the right to add
* @return true if right is added in the group, false if right was already present.
* @throws IllegalArgumentException if groupName or right is null, or if group or right cannot be found.
*/
boolean addRight(String groupName, Right right);
/**
* Remove a right associated with a group.
*
* @param groupName the name of the group.
* @param right the right to remove
* @return true if right is removed from the group, false if teh right was not present in the group.
* @throws IllegalArgumentException if groupName or right is null, or if group or right cannot be found.
*/
boolean removeRight(String groupName, Right right);
}
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