# Enum Class VMOption.Origin

java.lang.Object
java.lang.Enum<VMOption.Origin>
com.sun.management.VMOption.Origin

All Implemented Interfaces:
  `Serializable, Comparable<VMOption.Origin>, Constable`

Enclosing class:
  `VMOption`

public static enum VMOption.Origin extends Enum<VMOption.Origin>
Origin of the value of a VM option. It tells where the value of a VM option came from.

Since:
  1.6

- ## Nested Class Summary

  ### Nested classes/interfaces declared in class Enum

  `Enum.EnumDesc<E>`
  Modifier and Type
  Class
  Description
  `static final class`
  `Enum.EnumDesc<E extends Enum<E>>`
  A nominal descriptor for an `enum` constant.

- ## Enum Constant Summary

  Enum Constants
  Enum Constant
  Description
  `ATTACH_ON_DEMAND`
  The VM option was set using the attach framework.
  `CONFIG_FILE`
  The VM option was set via a configuration file.
  `DEFAULT`
  The VM option has not been set and its value is the default value.
  `ENVIRON_VAR`
  The VM option was set via an environment variable.
  `ERGONOMIC`
  The VM option was set via the VM ergonomic support.
  `MANAGEMENT`
  The VM option was set via the management interface after the VM was started.
  `OTHER`
  The VM option was set via some other mechanism.
  `VM_CREATION`
  The VM option was set at VM creation time typically as a command line argument to the launcher or an argument passed to the VM created using the JNI invocation interface.

- ## Method Summary

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

  ### Methods declared in class Enum

  `clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf`
  Modifier and Type
  Method
  Description
  `protected final Object`
  `clone()`
  Throws CloneNotSupportedException.
  `final int`
  `compareTo(VMOption.Origin o)`
  Compares this enum with the specified object for order.
  `final Optional<Enum.EnumDesc<VMOption.Origin>>`
  `describeConstable()`
  Returns an enum descriptor `EnumDesc` for this instance, if one can be constructed, or an empty `Optional` if one cannot be.
  `final boolean`
  `equals(Object other)`
  Returns true if the specified object is equal to this enum constant.
  `protected final void`
  `finalize()`
  Deprecated, for removal: This API element is subject to removal in a future version.
  Finalization has been deprecated for removal.
  `final Class<VMOption.Origin>`
  `getDeclaringClass()`
  Returns the Class object corresponding to this enum constant's enum type.
  `final int`
  `hashCode()`
  Returns a hash code for this enum constant.
  `final String`
  `name()`
  Returns the name of this enum constant, exactly as declared in its enum declaration.
  `final int`
  `ordinal()`
  Returns the ordinal of this enumeration constant (its position in its enum declaration, where the initial constant is assigned an ordinal of zero).
  `String`
  `toString()`
  Returns the name of this enum constant, as contained in the declaration.
  `static <T extends Enum<T>>
  T`
  `valueOf(Class<T> enumClass, String name)`
  Returns the enum constant of the specified enum class with the specified name.

  ### Methods declared in class Object

  `getClass, notify, notifyAll, wait, wait, wait`
  Modifier and Type
  Method
  Description
  `final Class<?>`
  `getClass()`
  Returns the runtime class of this `Object`.
  `final void`
  `notify()`
  Wakes up a single thread that is waiting on this object's monitor.
  `final void`
  `notifyAll()`
  Wakes up all threads that are waiting on this object's monitor.
  `final void`
  `wait()`
  Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
  `final void`
  `wait(long timeoutMillis)`
  Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
  `final void`
  `wait(long timeoutMillis, int nanos)`
  Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

- ## Enum Constant Details

  - ### DEFAULT

    public static final VMOption.Origin DEFAULT
    The VM option has not been set and its value is the default value.

  - ### VM_CREATION

    public static final VMOption.Origin VM_CREATION
    The VM option was set at VM creation time typically as a command line argument to the launcher or an argument passed to the VM created using the JNI invocation interface.

  - ### ENVIRON_VAR

    public static final VMOption.Origin ENVIRON_VAR
    The VM option was set via an environment variable.

  - ### CONFIG_FILE

    public static final VMOption.Origin CONFIG_FILE
    The VM option was set via a configuration file.

  - ### MANAGEMENT

    public static final VMOption.Origin MANAGEMENT
    The VM option was set via the management interface after the VM was started.

  - ### ERGONOMIC

    public static final VMOption.Origin ERGONOMIC
    The VM option was set via the VM ergonomic support.

  - ### ATTACH_ON_DEMAND

    public static final VMOption.Origin ATTACH_ON_DEMAND
    The VM option was set using the attach framework.
    Since:
      9

  - ### OTHER

    public static final VMOption.Origin OTHER
    The VM option was set via some other mechanism.

- ## Method Details

  - ### values

    public static VMOption.Origin[] values()
    Returns an array containing the constants of this enum class, in the order they are declared.
    Returns:
      an array containing the constants of this enum class, in the order they are declared

  - ### valueOf

    public static VMOption.Origin valueOf(String name)
    Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (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 class has no constant with the specified name
      `NullPointerException` - if the argument is null