Package dev.engine_room.flywheel.backend.engine

Class BaseInstancer<I extends Instance>

java.lang.Object

dev.engine_room.flywheel.backend.engine.AbstractInstancer<I>

dev.engine_room.flywheel.backend.engine.BaseInstancer<I>

All Implemented Interfaces:

Instancer<I>, InstanceHandleImpl.State<I>

Direct Known Subclasses:

InstancedInstancer

public abstract class BaseInstancer<I extends Instance>
extends AbstractInstancer<I>
implements InstanceHandleImpl.State<I>

Nested Class Summary

Nested classes/interfaces inherited from class dev.engine_room.flywheel.backend.engine.AbstractInstancer

AbstractInstancer.Recreate<I extends Instance>

Field Summary

Fields

Modifier and Type	Field	Description
protected final AtomicBitSet	changed
protected final AtomicBitSet	deleted
protected final ArrayList<InstanceHandleImpl<I>>	handles
protected final ArrayList<I>	instances
protected final Object	lock

Fields inherited from class dev.engine_room.flywheel.backend.engine.AbstractInstancer

environment, recreate, type

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	BaseInstancer(InstancerKey<I> key, AbstractInstancer.Recreate<I> recreate)

Method Summary

Modifier and Type	Method	Description
void	clear()	Clear all instances without freeing resources.
I	createInstance()
int	instanceCount()
void	notifyDirty(int index)
void	notifyRemoval(int index)
InstanceHandleImpl.State<I>	revealInstance(InstanceHandleImpl<I> handle, I instance)
InstanceHandleImpl.State<I>	setChanged(int index)
InstanceHandleImpl.State<I>	setDeleted(int index)
protected void	setIndexChanged(int index)
InstanceHandleImpl.State<I>	setVisible(InstanceHandleImpl<I> handle, int index, boolean visible)
void	stealInstance(I instance)	Steal an instance from another instancer.

Methods inherited from class dev.engine_room.flywheel.backend.engine.AbstractInstancer

delete, parallelUpdate, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface dev.engine_room.flywheel.api.instance.Instancer

createInstances

Field Details

lock

protected final Object lock

instances

protected final ArrayList<I extends Instance> instances

handles

protected final ArrayList<InstanceHandleImpl<I extends Instance>> handles

changed

protected final AtomicBitSet changed

deleted

protected final AtomicBitSet deleted

Constructor Details

BaseInstancer

protected BaseInstancer(InstancerKey<I> key,
 AbstractInstancer.Recreate<I> recreate)

Method Details

setChanged

public InstanceHandleImpl.State<I> setChanged(int index)

Specified by:

setChanged in interface InstanceHandleImpl.State<I extends Instance>

setDeleted

public InstanceHandleImpl.State<I> setDeleted(int index)

Specified by:

setDeleted in interface InstanceHandleImpl.State<I extends Instance>

setVisible

public InstanceHandleImpl.State<I> setVisible(InstanceHandleImpl<I> handle,
 int index,
 boolean visible)

Specified by:

setVisible in interface InstanceHandleImpl.State<I extends Instance>

createInstance

public I createInstance()

Specified by:

createInstance in interface Instancer<I extends Instance>

Returns:

a handle to a new copy of this model.

revealInstance

public InstanceHandleImpl.State<I> revealInstance(InstanceHandleImpl<I> handle,
 I instance)

Specified by:

revealInstance in class AbstractInstancer<I extends Instance>

stealInstance

public void stealInstance(@Nullable
 I instance)

Description copied from interface: Instancer

Steal an instance from another instancer.
This has the effect of swapping the instance's model in-place.

If the given instance is already owned by this instancer, this method does nothing.
If the given instance is null, this method does nothing.
If the given instance was created by a different backend, the behavior of this method is undefined.

Specified by:

stealInstance in interface Instancer<I extends Instance>

Parameters:

instance - The instance to steal.

instanceCount

public int instanceCount()

Specified by:

instanceCount in class AbstractInstancer<I extends Instance>

notifyDirty

public void notifyDirty(int index)

setIndexChanged

protected void setIndexChanged(int index)

notifyRemoval

public void notifyRemoval(int index)

clear

public void clear()

Clear all instances without freeing resources.

Specified by:

clear in class AbstractInstancer<I extends Instance>