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com.google.common.util.concurrent
Enum Service.State

java.lang.Object
  extended by java.lang.Enum<Service.State>
      extended by 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 (in version 1 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 name
NullPointerException - if the argument is null
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