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Service.State (Guava: Google Core Libraries for Java 11.0.1 API)
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com.google.common.util.concurrent
Enum Service.State
java.lang.Object
java.lang.Enum<Service.State>
com.google.common.util.concurrent.Service.State
- All Implemented Interfaces:
- Serializable, Comparable<Service.State>
- Enclosing interface:
- Service
@Beta
public static enum Service.State
- extends Enum<Service.State>
The lifecycle states of a service.
- Since:
- 9.0 (in 1.0 as
com.google.common.base.Service.State
)
Enum Constant Summary | |
---|---|
FAILED
A service in this state has encountered a problem and may not be operational. |
|
NEW
A service in this state is inactive. |
|
RUNNING
A service in this state is operational. |
|
STARTING
A service in this state is transitioning to RUNNING . |
|
STOPPING
A service in this state is transitioning to TERMINATED . |
|
TERMINATED
A service in this state has completed execution normally. |
Method Summary | |
---|---|
static Service.State |
valueOf(String name)
Returns the enum constant of this type with the specified name. |
static Service.State[] |
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 |
---|
NEW
public static final Service.State NEW
- A service in this state is inactive. It does minimal work and consumes
minimal resources.
STARTING
public static final Service.State STARTING
- A service in this state is transitioning to
RUNNING
.
RUNNING
public static final Service.State RUNNING
- A service in this state is operational.
STOPPING
public static final Service.State STOPPING
- A service in this state is transitioning to
TERMINATED
.
TERMINATED
public static final Service.State TERMINATED
- A service in this state has completed execution normally. It does minimal
work and consumes minimal resources.
FAILED
public static final Service.State FAILED
- A service in this state has encountered a problem and may not be
operational. It cannot be started nor stopped.
Method Detail |
---|
values
public static Service.State[] 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 (Service.State c : Service.State.values()) System.out.println(c);
- Returns:
- an array containing the constants of this enum type, in the order they are declared
valueOf
public static Service.State 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 nameNullPointerException
- if the argument is null
|
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