Enum Graph.EdgeType
- All Implemented Interfaces:
Serializable,Comparable<Graph.EdgeType>,java.lang.constant.Constable
The edge types in a graph.
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Nested Class Summary
Nested classes/interfaces inherited from class java.lang.Enum
Enum.EnumDesc<E extends Enum<E>> -
Enum Constant Summary
Enum Constants -
Method Summary
Modifier and TypeMethodDescriptionstatic Graph.EdgeTypeReturns the enum constant of this type with the specified name.static Graph.EdgeType[]values()Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Details
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TREE
An edge (u, v) is a tree edge if v is visited the first time. -
FORWARD
An edge (u, v) is a forward edge if v is descendant of u. -
BACK
An edge (u, v) is a back edge if v is ancestor of u. -
CROSS
An edge (u, v) is a cross edge if v is neither ancestor or descendant of u.
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Method Details
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values
Returns an array containing the constants of this enum type, in the order they are declared.- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)- Parameters:
name- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
IllegalArgumentException- if this enum type has no constant with the specified nameNullPointerException- if the argument is null
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