org.apache.tinkerpop.gremlin.structure

Enum Column

java.lang.Object

java.lang.Enum<Column>

org.apache.tinkerpop.gremlin.structure.Column

All Implemented Interfaces:

Serializable, Comparable<Column>, Function<Object,Object>

public enum Column
extends Enum<Column>
implements Function<Object,Object>

Column references a particular type of column in a complex data structure such as a Map, a Map.Entry, or a Path.

Author:

Marko A. Rodriguez (http://markorodriguez.com)

Enum Constant Summary

Enum Constants

Enum Constant and Description
keys The keys associated with the data structure.
values The values associated with the data structure.

Method Summary

Modifier and Type	Method and Description
static Column	valueOf(String name) Returns the enum constant of this type with the specified name.
static Column[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.function.Function

andThen, apply, compose, identity

Enum Constant Detail

keys

public static final Column keys

The keys associated with the data structure.

values

public static final Column values

The values associated with the data structure.

Method Detail

values

public static Column[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (Column c : Column.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static Column valueOf(String name)

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 name

NullPointerException - if the argument is null