Enum VMOption.Origin

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

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.

Methods

Modifier and Type Method Description
static VMOption.Origin valueOf​(String name)

Returns the enum constant of this type with the specified name.
static VMOption.Origin[] values()

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

Methods declared in class java.lang.Enum

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

Methods declared in class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constants

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.

Methods

values

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

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

valueOf

public static VMOption.Origin 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

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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
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https://docs.oracle.com/en/java/javase/11/docs/api/jdk.management/com/sun/management/VMOption.Origin.html