Package com.im.df.api.dml

Class Vertices

java.lang.Object

com.im.df.api.dml.Vertices

public final class Vertices
extends java.lang.Object

Common utilities related to DFDataTree.Vertex class.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Vertices.DataTreeLevelComparator	Compares two vertices according to their level in a data tree to which they belong.

Method Summary

Modifier and Type	Method	Description
static java.lang.String	prettyPrintTree(DFDataTree.Vertex vertex)	Pretty-prints tree having given DFDataTree.Vertex as a root.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

prettyPrintTree

@Beta
public static java.lang.String prettyPrintTree(DFDataTree.Vertex vertex)

Pretty-prints tree having given DFDataTree.Vertex as a root.

E.g.:

 +-- root entity ()
     +-- entity A (1:1)
         |-- entity B (1:1)
         |   |-- entity C (M:N)
         |   |   |-- entity D (M:1)
         |   |   +-- entity I (1:1)
         |   +-- entity H (1:1)
         |-- entity E (1:1)
         |   +-- entity G (1:1)
         +-- entity F (1:M)
 

Note: this method is not considered stable API and might be removed at any time. More generic solution is being considered instead. So use this only during development.

Parameters:

vertex - vertex whose sub-tree to print

Returns:

pretty-printed tree as string