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class LayoutEntity #Red {
	// Tree of Cuboid

    long id
    String name
    List<Integer> colOrder
    long updateTime
    int storageType
    List<Integer> shardByColumns

    Map<Integer, ColumnDesc> orderedDimensions;
    Map<Integer, FunctionDesc> orderedMeasures;

    long rows
    long sourceRows
    long byteSize
    long fileCount
    int shardNum
}

abstract class SpanningTree {
    Collection<LayoutEntity> cuboids

    Collection<LayoutEntity> getRootIndexEntities()
    void decideTheNextLayer(Collection<LayoutEntity> currentLayer, SegmentInfo segment)
    Collection<LayoutEntity> getChildrenByIndexPlan(LayoutEntity parent)
}


class ForestSpanningTree {
    Map<Long, TreeNode> nodesMap
    List<TreeNode> roots

}

class TreeNode {
    LayoutEntity indexEntity;
    ArrayList<TreeNode> children
    int level
    TreeNode parent
    List<LayoutEntity> parentCandidates
    boolean hasBeenDecided = false
}

ForestSpanningTree -> SpanningTree

SpanningTree *-- TreeNode
TreeNode *-- LayoutEntity













abstract class SparkApplicationManagerHub {
	SegmentInfo getSegmentInfo(KylinConfig kylinConfig, String Map<StringcubeName, String> params
    volatile KylinConfig config
    String jobId

    void execute()
    void execute(String[] args)
}


class CubeBuildJob {

}

CubeBuildJob -> SparkApplicationString segmentId)
}


class MetadataConverter {
	SegmentInfo getSegmentInfo(cubeInstance: CubeInstance, segmentId: String, segmentName: String, identifier: String)
}

class SegmentInfo {
	// JoinDesc TableDesc etc..
}

class ParentSourceChooser {
	
}

ManagerHub -- MetadataConverter : "call" >
MetadataConverter -- SegmentInfo : "call" >