Examples with MemberChildrenConstraint mondrian.rolap.sql.MemberChildrenConstraint used on opensource projects

Example 1 with MemberChildrenConstraint

use of mondrian.rolap.sql.MemberChildrenConstraint in project mondrian by pentaho.

the class CacheControlImpl method addMember.

/**
 * Adds a member to cache.
 *
 * @param member Member
 * @param parent Member's parent (generally equals member.getParentMember)
 * @param cellRegionList List of cell regions to be flushed
 *
 * @return Callable that yields true when the member has been added to the
 * cache
 */
private Callable<Boolean> addMember(final RolapMember member, final RolapMember parent, List<CellRegion> cellRegionList) {
    // Cells for all of member's ancestors are now invalid. It's sufficient
    // to flush its parent.
    cellRegionList.add(createMemberRegion(parent, false));
    return new Callable<Boolean>() {

        public Boolean call() throws Exception {
            final MemberCache memberCache = getMemberCache(member);
            final MemberChildrenConstraint memberConstraint = new ChildByNameConstraint(new Id.NameSegment(member.getName()));
            // Check if there is already a list in cache
            // constrained by a wildcard.
            List<RolapMember> childrenList = memberCache.getChildrenFromCache(parent, DefaultMemberChildrenConstraint.instance());
            if (childrenList == null) {
            // There was no cached list. We can ignore.
            } else {
                // Might be immutable. Let's append to it.
                if (childrenList.isEmpty()) {
                    childrenList = new ArrayList<RolapMember>();
                }
                childrenList.add(member);
                memberCache.putChildren(parent, memberConstraint, childrenList);
            }
            final List<RolapMember> levelMembers = memberCache.getLevelMembersFromCache(member.getLevel(), DefaultTupleConstraint.instance());
            if (levelMembers != null) {
                // There was already a cached list.
                // Let's append to it.
                levelMembers.add(member);
                memberCache.putChildren(member.getLevel(), DefaultTupleConstraint.instance(), levelMembers);
            }
            // Now add the member itself into cache
            final Object memberKey = memberCache.makeKey(member.getParentMember(), member.getKey());
            memberCache.putMember(memberKey, member);
            return true;
        }
    };
}

Example 2 with MemberChildrenConstraint

use of mondrian.rolap.sql.MemberChildrenConstraint in project mondrian by pentaho.

the class CacheControlImpl method deleteMember.

private Callable<Boolean> deleteMember(final RolapMember member, final RolapMember previousParent, List<CellRegion> cellRegionList) {
    // Cells for member and its ancestors are now invalid.
    // It's sufficient to flush the member.
    cellRegionList.add(createMemberRegion(member, true));
    return new Callable<Boolean>() {

        public Boolean call() throws Exception {
            final MemberCache memberCache = getMemberCache(member);
            final MemberChildrenConstraint memberConstraint = new ChildByNameConstraint(new Id.NameSegment(member.getName()));
            // Remove the member from its parent's lists. First try the
            // unconstrained cache.
            final List<RolapMember> childrenList = memberCache.getChildrenFromCache(previousParent, DefaultMemberChildrenConstraint.instance());
            if (childrenList != null) {
                // A list existed before. Let's splice it.
                childrenList.remove(member);
                memberCache.putChildren(previousParent, DefaultMemberChildrenConstraint.instance(), childrenList);
            }
            // Now make sure there is no constrained cache entry
            // for this member's parent.
            memberCache.putChildren(previousParent, memberConstraint, null);
            // Let's update the level members cache.
            final List<RolapMember> levelMembers = memberCache.getLevelMembersFromCache(member.getLevel(), DefaultTupleConstraint.instance());
            if (levelMembers != null) {
                levelMembers.remove(member);
                memberCache.putChildren(member.getLevel(), DefaultTupleConstraint.instance(), childrenList);
            }
            // Remove the member itself. The MemberCacheHelper takes care of
            // removing the member's children as well.
            final Object key = memberCache.makeKey(previousParent, member.getKey());
            memberCache.removeMember(key);
            return true;
        }
    };
}

Example 3 with MemberChildrenConstraint

use of mondrian.rolap.sql.MemberChildrenConstraint in project mondrian by pentaho.

the class NoCacheMemberReader method getMemberChildren.

public void getMemberChildren(final List<RolapMember> parentMembers, final List<RolapMember> children) {
    MemberChildrenConstraint constraint = sqlConstraintFactory.getMemberChildrenConstraint(null);
    getMemberChildren(parentMembers, children, constraint);
}

Example 4 with MemberChildrenConstraint

use of mondrian.rolap.sql.MemberChildrenConstraint in project mondrian by pentaho.

the class RestrictedMemberReader method getMemberChildren.

public void getMemberChildren(RolapMember parentMember, List<RolapMember> children) {
    MemberChildrenConstraint constraint = sqlConstraintFactory.getMemberChildrenConstraint(null);
    getMemberChildren(parentMember, children, constraint);
}

Example 5 with MemberChildrenConstraint

use of mondrian.rolap.sql.MemberChildrenConstraint in project mondrian by pentaho.

the class RolapSchemaReader method getMemberChildren.

public List<Member> getMemberChildren(Member member, Evaluator context) {
    MemberChildrenConstraint constraint = sqlConstraintFactory.getMemberChildrenConstraint(context);
    List<RolapMember> memberList = internalGetMemberChildren(member, constraint);
    return Util.cast(memberList);
}