hyracks/hyracks-storage-am-lsm-btree/src/main/java/org/apache/hyracks/storage/am/lsm/btree/impls/ExternalBTreeWithBuddy.java [271:298]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    @Override
    public void subsumeMergedComponents(ILSMComponent newComponent, List<ILSMComponent> mergedComponents)
            throws HyracksDataException {
        List<ILSMComponent> newerList;
        List<ILSMComponent> olderList;
        if (version == 0) {
            newerList = diskComponents;
            olderList = secondDiskComponents;
        } else {
            newerList = secondDiskComponents;
            olderList = diskComponents;
        }

        // Check if merge will affect the older list
        if (olderList.containsAll(mergedComponents)) {
            int swapIndex = olderList.indexOf(mergedComponents.get(0));
            olderList.removeAll(mergedComponents);
            olderList.add(swapIndex, newComponent);
        }

        // The new list will always have all the merged components
        int swapIndex = newerList.indexOf(mergedComponents.get(0));
        newerList.removeAll(mergedComponents);
        newerList.add(swapIndex, newComponent);
    }

    // For initial load
    @Override
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



hyracks/hyracks-storage-am-lsm-rtree/src/main/java/org/apache/hyracks/storage/am/lsm/rtree/impls/ExternalRTree.java [119:147]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    @Override
    public void subsumeMergedComponents(ILSMComponent newComponent, List<ILSMComponent> mergedComponents)
            throws HyracksDataException {
        // determine which list is the new one
        List<ILSMComponent> newerList;
        List<ILSMComponent> olderList;
        if (version == 0) {
            newerList = diskComponents;
            olderList = secondDiskComponents;
        } else {
            newerList = secondDiskComponents;
            olderList = diskComponents;
        }
        // check if merge will affect the older list
        if (olderList.containsAll(mergedComponents)) {
            int swapIndex = olderList.indexOf(mergedComponents.get(0));
            olderList.removeAll(mergedComponents);
            olderList.add(swapIndex, newComponent);
        }
        // The new list will always have all the merged components
        int swapIndex = newerList.indexOf(mergedComponents.get(0));
        newerList.removeAll(mergedComponents);
        newerList.add(swapIndex, newComponent);
    }

    // This method is used by the merge policy when it needs to check if a merge
    // is needed.
    // It only needs to return the newer list
    @Override
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -