cascading.flow.planner.graph

Enum Extent

java.lang.Object

java.lang.Enum<Extent>

cascading.flow.planner.graph.Extent

All Implemented Interfaces:

FlowElement, java.io.Serializable, java.lang.Comparable<Extent>

public enum Extent
extends java.lang.Enum<Extent>
implements FlowElement

Enum Extent provides simple markers for the head and tail of an ElementGraph FlowElement graph.

Enum Constant Summary

Enum Constants

Enum Constant and Description
head
tail

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	toString()
static Extent	valueOf(java.lang.String name) Returns the enum constant of this type with the specified name.
static Extent[]	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, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

head

public static final Extent head

tail

public static final Extent tail

Method Detail

values

public static Extent[] 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 (Extent c : Extent.values())
    System.out.println(c);

Returns:

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

valueOf

public static Extent valueOf(java.lang.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:

java.lang.IllegalArgumentException - if this enum type has no constant with the specified name

java.lang.NullPointerException - if the argument is null

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Enum<Extent>