/**
* 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);
}
}
private void clearCache(RolapCube cube) {
// Clear the cache for the Sales cube, so the query runs as if
// for the first time. (TODO: Cleaner way to do this.)
final Cube salesCube = getConnection().getSchema().lookupCube("Sales", true);
RolapHierarchy hierarchy =
(RolapHierarchy)
salesCube.lookupHierarchy(new Id.NameSegment("Store", Id.Quoting.UNQUOTED), false);
SmartMemberReader memberReader = (SmartMemberReader) hierarchy.getMemberReader();
MemberCacheHelper cacheHelper = memberReader.cacheHelper;
cacheHelper.mapLevelToMembers.cache.clear();
cacheHelper.mapMemberToChildren.cache.clear();
// Flush the cache, to ensure that the query gets executed.
cube.clearCachedAggregations(true);
CacheControl cacheControl = getConnection().getCacheControl(null);
final CacheControl.CellRegion measuresRegion = cacheControl.createMeasuresRegion(cube);
cacheControl.flush(measuresRegion);
}
/**
* Creates a WritebackCell.
*
* @param cube Cube
* @param members Members that form context
* @param constrainedColumnsBitKey Bitmap of columns which have values
* @param keyValues List of values, by bit position
* @param newValue New value
* @param currentValue Current value
* @param allocationPolicy Allocation policy
*/
WritebackCell(
RolapCube cube,
List<RolapMember> members,
BitKey constrainedColumnsBitKey,
Object[] keyValues,
double newValue,
double currentValue,
AllocationPolicy allocationPolicy) {
assert keyValues.length == constrainedColumnsBitKey.cardinality();
Util.discard(cube); // not used currently
Util.discard(constrainedColumnsBitKey); // not used currently
Util.discard(keyValues); // not used currently
this.newValue = newValue;
this.currentValue = currentValue;
this.allocationPolicy = allocationPolicy;
this.atomicCellCount = computeAtomicCellCount(cube, members);
// Build the array of members by ordinal. If a member is not
// specified for a particular dimension, use the 'all' member (not
// necessarily the same as the default member).
final List<RolapHierarchy> hierarchyList = cube.getHierarchies();
this.membersByOrdinal = new Member[hierarchyList.size()];
for (int i = 0; i < membersByOrdinal.length; i++) {
membersByOrdinal[i] = hierarchyList.get(i).getDefaultMember();
}
for (RolapMember member : members) {
final RolapHierarchy hierarchy = member.getHierarchy();
if (isScenario(hierarchy)) {
assert member.isAll();
}
// REVIEW The following works because Measures is the only
// dimension whose members do not belong to RolapCubeDimension,
// just a regular RolapDimension, but has ordinal 0.
final int ordinal = hierarchy.getOrdinalInCube();
membersByOrdinal[ordinal] = member;
}
}
