org.springframework.data.hadoop.scripting

Enum EvaluationPolicy

java.lang.Object

java.lang.Enum<EvaluationPolicy>

org.springframework.data.hadoop.scripting.EvaluationPolicy

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<EvaluationPolicy>

public enum EvaluationPolicy
extends java.lang.Enum<EvaluationPolicy>

The policy for evaluating a script.

Author:

Costin Leau

Enum Constant Summary

Enum Constants

Enum Constant and Description
ALWAYS Evaluate the script on each invocation.
IF_MODIFIED Evaluate the script only if it has been modified.
ONCE Evaluate the script only once.

Method Summary

Methods

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

Enum Constant Detail

ONCE

public static final EvaluationPolicy ONCE

Evaluate the script only once.

IF_MODIFIED

public static final EvaluationPolicy IF_MODIFIED

Evaluate the script only if it has been modified.

ALWAYS

public static final EvaluationPolicy ALWAYS

Evaluate the script on each invocation.

Method Detail

values

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

Returns:

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

valueOf

public static EvaluationPolicy 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