net.charlesames.music.common
Class Root

java.lang.Object
  net.charlesames.music.common.Root

public class Root
extends java.lang.Object

Singleton class which maintains a list of all ensemble entities currently in memory.

Author:

Charles Ames

Field Summary

static java.lang.String

XML_URL XML URL

Method Summary

Ensemble	getEnsemble()
java.util.SortedMap<java.lang.Long,EnsembleEntity>	getEntities()
EnsembleEntity	getEntity(java.lang.Long entityID)
static Root	getSingleton()
static java.lang.String	getVersion()
void	setEnsemble(Ensemble ensemble)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

XML_URL

public static final java.lang.String XML_URL

XML URL

See Also:

Constant Field Values

Method Detail

getSingleton

public static Root getSingleton()

Returns:

The single instance of this class.

getVersion

public static java.lang.String getVersion()

Returns:

The current project version.

getEnsemble

public Ensemble getEnsemble()

Returns:

The ensemble to which future operations will apply.

setEnsemble

public void setEnsemble(Ensemble ensemble)

Parameters:

ensemble - The ensemble to which future operations will apply.

getEntities

public java.util.SortedMap<java.lang.Long,EnsembleEntity> getEntities()

Returns:

The Map of id's to Ensemble entities in memory.

getEntity

public EnsembleEntity getEntity(java.lang.Long entityID)

Parameters:

entityID - The desired ID

Returns:

The ensemble entity with the desired ID.

Throws:

java.lang.IllegalArgumentException - When the ensemble does not contain an entity with the desired id.