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Class uhr.core.cell.Lifecycle 

java.lang.Object
   |
   +----uhr.core.cell.Lifecycle
public class Lifecycle
extends Object
implements StateCommandable, PartUser
This class handles a cell's lifecycle, a formidable task made easier by cell design and the StateCommandableAide.

IMPLEMENTATION IN PROGRESS.

Constructor Index

o Lifecycle()

Method Index

o doStateCommand(String)
Performs the command if its present state allows it.
o getPartNamesNeeded()
Returns an array of the part names this part needs to do its work.
o getStateCommandableAide()
Returns the aide handling the StateCommandable's state manchine.
o isStarted()
Returns true if the cell is started or false if not.
o setPart(String, Object)
Sets a named part, in response to part needs.
o start()
Attempts to start the cell by issuing the Start command.

Constructors

o Lifecycle 
 public Lifecycle()

Methods

o getStateCommandableAide 
 public StateCommandableAide getStateCommandableAide()
Returns the aide handling the StateCommandable's state manchine.

Returns:
the very handy aide.
o doStateCommand 
 public void doStateCommand(String command)
Performs the command if its present state allows it.

Parameters:
command - the command to perform. It must be in the published list of commands available.
Throws: IllegalArgumentException
if unknown command.
Throws: IllegalStateException
if not in proper state to perform the command. Gee, this is precise. :-)
Throws: RuntimeException
or such if the command fails.
o getPartNamesNeeded 
 public String[] getPartNamesNeeded()
Returns an array of the part names this part needs to do its work. These are "core.CellDK".

Returns:
the names of the parts needed.
o setPart 
 public void setPart(String name,
                     Object part)
Sets a named part, in response to part needs. This implementation supports needed part replacement anytime. See the PartUser interface for further documentation.

Parameters:
name - the name of the needed part.
part - the needed part.
o isStarted 
 public boolean isStarted()
Returns true if the cell is started or false if not. If started then the current state is Running or Paused.

Returns:
true if started or false if not.
o start 
 public void start()
Attempts to start the cell by issuing the Start command. This will work if the current state is Created or Initialized, ir isStarted() returns false.. 

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