/**
* Creates a <code>RestrictedMemberReader</code>.
*
* <p>There's no filtering to be done unless either the role has restrictions on this hierarchy,
* or the hierarchy is ragged; there's a pre-condition to this effect.
*
* @param memberReader Underlying (presumably unrestricted) member reader
* @param role Role whose access profile to obey. The role must have restrictions on this
* hierarchy
* @pre role.getAccessDetails(memberReader.getHierarchy()) != null ||
* memberReader.getHierarchy().isRagged()
*/
RestrictedMemberReader(MemberReader memberReader, Role role) {
super(memberReader);
RolapHierarchy hierarchy = memberReader.getHierarchy();
ragged = hierarchy.isRagged();
if (role.getAccessDetails(hierarchy) == null) {
assert ragged;
hierarchyAccess = RoleImpl.createAllAccess(hierarchy);
} else {
hierarchyAccess = role.getAccessDetails(hierarchy);
}
}
