org.apache.drill.exec.util

Enum ActionOnFile

java.lang.Object

java.lang.Enum<ActionOnFile>

org.apache.drill.exec.util.ActionOnFile

All Implemented Interfaces:

Serializable, Comparable<ActionOnFile>

public enum ActionOnFile
extends Enum<ActionOnFile>

Defines possible actions on the file and performs the necessary action

Enum Constant Summary

Enum Constants

Enum Constant and Description
NONE No action will be performed
REMOVE Removes the file
RENAME Renames the file by adding current timestamp value with "yyyyMMdd_HHmmss" format before last dot of original file name

Method Summary

Modifier and Type	Method and Description
abstract void	action(URL url) Action which should be performed on the file
static ActionOnFile	valueOf(String name) Returns the enum constant of this type with the specified name.
static ActionOnFile[]	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

NONE

public static final ActionOnFile NONE

No action will be performed

RENAME

public static final ActionOnFile RENAME

Renames the file by adding current timestamp value with "yyyyMMdd_HHmmss" format before last dot of original file name

Example:
Original file name: "storage-plugins-override.conf"
New file name: "storage-plugins-override-20180703_033354.conf"

REMOVE

public static final ActionOnFile REMOVE

Removes the file

Method Detail

values

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

Returns:

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

valueOf

public static ActionOnFile 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

action

public abstract void action(URL url)

Action which should be performed on the file

Parameters:

url - the file URL