AbstractPowerManager (JMRI API)

java.lang.Object
- jmri.beans.PropertyChangeSupport
- - jmri.managers.AbstractPowerManager<M>

Type Parameters:

M - the type of SystemConnectionMemo supported by this PowerManager

All Implemented Interfaces:

PropertyChangeFirer, PropertyChangeProvider, PowerManager

Direct Known Subclasses:

CbusPowerManager, DCCppPowerManager, DefaultPowerManager, EasyDccPowerManager, EcosPowerManager, JMRIClientPowerManager, LnPowerManager, MarklinPowerManager, MrcPowerManager, Mx1PowerManager, NcePowerManager, SprogPowerManager, SRCPPowerManager, TamsPowerManager, XNetPowerManager, XpaPowerManager
```
public abstract class AbstractPowerManager<M extends SystemConnectionMemo>
extends PropertyChangeSupport
implements PowerManager
```
Base PowerManager implementation for controlling layout power.
These are registered when they are added to the InstanceManager

Nested Class Summary

Nested Classes
Modifier and Type Class Description

class AbstractPowerManager.TimeKeeper

Field Summary

Fields
Modifier and Type Field Description

protected M memo

protected int power
Note that all changes must fire a property change with the old and new values
- Fields inherited from class jmri.beans.PropertyChangeSupport
  propertyChangeSupport
- Fields inherited from interface jmri.PowerManager
  IDLE, OFF, ON, POWER, UNKNOWN

Constructor Summary

Constructors
Constructor Description

AbstractPowerManager(M memo)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`firePowerPropertyChange(int old, int current)`	Fires a `PropertyChangeEvent` for the power state using property name "power".
`int`	`getPower()`
`java.lang.String`	`getUserName()`
`void`	`setPower(int state)`
`long`	`timeSinceLastPowerOn()`	Returns the amount of time since the layout was last powered up, in milliseconds.

Methods inherited from class jmri.beans.PropertyChangeSupport
addPropertyChangeListener, addPropertyChangeListener, fireIndexedPropertyChange, fireIndexedPropertyChange, fireIndexedPropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getPropertyChangeListeners, getPropertyChangeListeners, removePropertyChangeListener, removePropertyChangeListener

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface jmri.PowerManager
dispose, implementsIdle

Methods inherited from interface jmri.beans.PropertyChangeProvider
addPropertyChangeListener, addPropertyChangeListener, getPropertyChangeListeners, getPropertyChangeListeners, removePropertyChangeListener, removePropertyChangeListener

- Field Detail
  - memo
```
protected final M extends SystemConnectionMemo memo
```
  - power
```
protected int power
```
    Note that all changes must fire a property change with the old and new values
- Constructor Detail
  - AbstractPowerManager
```
public AbstractPowerManager(M memo)
```
- Method Detail
  - getPower
```
public int getPower()
```
    Specified by:
    
    getPower in interface PowerManager
  - setPower
```
public void setPower(int state)
              throws JmriException
```
    Specified by:
    
    setPower in interface PowerManager
    
    Throws:
    
    JmriException
  - getUserName
```
public final java.lang.String getUserName()
```
    Specified by:
    
    getUserName in interface PowerManager
  - timeSinceLastPowerOn
```
public long timeSinceLastPowerOn()
```
    Returns the amount of time since the layout was last powered up, in milliseconds. If the layout has not been powered up as far as JMRI knows it returns a very long time indeed.
    
    Returns:
    
    long int
  - firePowerPropertyChange
```
protected final void firePowerPropertyChange(int old,
                                             int current)
```
    Fires a PropertyChangeEvent for the power state using property name "power".
    
    Parameters:
    
    old - the old power state
    
    current - the new power state