Widening.

git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@320 c613c5cb-e716-0410-b11b-feb51c14d237
This commit is contained in:
Michael Bayne
2007-06-22 01:00:23 +00:00
parent a22a6e5551
commit 114fc2f0e7
@@ -35,16 +35,15 @@ import com.threerings.whirled.server.WhirledServer;
import com.threerings.whirled.util.UpdateList;
/**
* The scene manager extends the place manager and takes care of basic
* scene services. Presently that is little more than registering the
* scene manager with the scene registry so that the manager can be looked
* up by scene id in addition to place object id.
* The scene manager extends the place manager and takes care of basic scene services. Presently
* that is little more than registering the scene manager with the scene registry so that the
* manager can be looked up by scene id in addition to place object id.
*/
public class SceneManager extends PlaceManager
{
/**
* Returns the scene object (not the scene distributed object) being
* managed by this scene manager.
* Returns the scene object (not the scene distributed object) being managed by this scene
* manager.
*/
public Scene getScene ()
{
@@ -60,25 +59,21 @@ public class SceneManager extends PlaceManager
}
/**
* Called by the scene registry once the scene manager has been
* created (and initialized), but before it is started up.
* Called by the scene registry once the scene manager has been created (and initialized), but
* before it is started up.
*/
protected void setSceneData (Scene scene, UpdateList updates,
SceneRegistry screg)
protected void setSceneData (Scene scene, UpdateList updates, SceneRegistry screg)
{
_scene = scene;
_screg = screg;
_updates = updates;
// make sure the list and our version of the scene are in
// accordance
// make sure the list and our version of the scene are in accordance
if (!_updates.validate(scene.getVersion())) {
Log.warning("Provided with invalid updates; flushing " +
"[where=" + where() +
", sceneId=" + scene.getId() + "].");
// clear out the update list as it will not allow us to bring
// clients up to date with our current scene version; instead
// they'll have to download the whole thing
Log.warning("Provided with invalid updates; flushing [where=" + where() +
", sceneId=" + scene.getId() + ", version=" + scene.getVersion() + "].");
// clear out the update list as it will not allow us to bring clients up to date with
// our current scene version; instead they'll have to download the whole thing
_updates = new UpdateList();
}
@@ -87,26 +82,24 @@ public class SceneManager extends PlaceManager
}
/**
* A method that can be overridden by derived classes to perform
* initialization processing after we receive our scene information
* but before we're started up (and hence registered as an active
* place).
* A method that can be overridden by derived classes to perform initialization processing
* after we receive our scene information but before we're started up (and hence registered as
* an active place).
*/
protected void gotSceneData ()
{
}
/**
* We're fully ready to go, so now we register ourselves with the
* scene registry which will make us available to the clients and
* system at large.
* We're fully ready to go, so now we register ourselves with the scene registry which will
* make us available to the clients and system at large.
*/
protected void didStartup ()
{
super.didStartup();
// Wait until us and all of our subclasses have completely finished
// running didStartup prior to registering the scene as being ready.
// Wait until us and all of our subclasses have completely finished running didStartup
// prior to registering the scene as being ready.
PresentsServer.omgr.postRunnable(new Runnable() {
public void run () {
_screg.sceneManagerDidStart(SceneManager.this);
@@ -126,18 +119,15 @@ public class SceneManager extends PlaceManager
}
/**
* When a modification is made to a scene, the scene manager should
* create a SceneUpdate instance and pass it to this method which will
* update the in-memory scene, and apply and record the update in the
* scene repository.
* When a modification is made to a scene, the scene manager should create a SceneUpdate
* instance and pass it to this method which will update the in-memory scene, and apply and
* record the update in the scene repository.
*
* <p> This update will be stored persistently and provided (along
* with any other accumulated updates) to clients that later request
* to enter the scene with an old version of the scene data. Updates
* are not stored forever, but a sizable number of recent updates are
* stored so that moderately current clients can apply incremental
* patches to their scenes rather than redownloading entire scenes
* when they change.
* <p> This update will be stored persistently and provided (along with any other accumulated
* updates) to clients that later request to enter the scene with an old version of the scene
* data. Updates are not stored forever, but a sizable number of recent updates are stored so
* that moderately current clients can apply incremental patches to their scenes rather than
* redownloading entire scenes when they change.
*/
protected void recordUpdate (final SceneUpdate update)
{
@@ -168,8 +158,7 @@ public class SceneManager extends PlaceManager
// documentation inherited
public String where ()
{
return _scene.getName() + " (" + super.where() + ":" +
_scene.getId() + ")";
return _scene.getName() + " (" + super.where() + ":" + _scene.getId() + ")";
}
// documentation inherited
@@ -179,16 +168,16 @@ public class SceneManager extends PlaceManager
buf.append(", scene=").append(_scene);
}
/** A reference to our scene implementation which provides a
* meaningful interpretation of the data in the scene model. */
/** A reference to our scene implementation which provides a meaningful interpretation of the
* data in the scene model. */
protected Scene _scene;
/** A list of the updates tracked for this scene. These will be used
* to attempt to bring clients up to date efficiently if they request
* to enter our scene with old scene model data. */
/** A list of the updates tracked for this scene. These will be used to attempt to bring
* clients up to date efficiently if they request to enter our scene with old scene model
* data. */
protected UpdateList _updates;
/** A reference to the scene registry so that we can call back to it
* when we're fully initialized. */
/** A reference to the scene registry so that we can call back to it when we're fully
* initialized. */
protected SceneRegistry _screg;
}