sPFFramework/src/main/java/it/polimi/spf/framework/profile/SPFProfileManager.java
public boolean addGroupToField(ProfileField<?> field, String group, SPFPersona persona) {
		return mProfileTable.addCircleToFields(group, field, persona);
	}
public boolean addGroupToField(ProfileField<?> field, String group, SPFPersona persona) {
		return mProfileTable.addCircleToFields(group, field, persona);
	}
public boolean addGroupToField ( ProfileField < ? > field , String group , SPFPersona persona ) { return mProfileTable . addCircleToFields ( group , field , persona ) ; }
Adds a circle to a specified {@link ProfileField}.

@param field
- the {@link ProfileField} to modify
@param group
- the circle to add
@param persona
- the {@link SPFPersona} to modify
@return true if the operation was successful
Adds a circle to a specified { @link ProfileField } .