Added optional tasks

This commit is contained in:
M66B 2022-04-23 23:08:00 +02:00
parent 11c696e3b4
commit a45994bf7a
2 changed files with 47 additions and 24 deletions

View File

@ -49,6 +49,7 @@ import java.util.concurrent.Future;
public abstract class SimpleTask<T> implements LifecycleObserver {
private boolean log = true;
private boolean count = true;
private boolean optional = false;
private String name;
private long started;
@ -78,6 +79,11 @@ public abstract class SimpleTask<T> implements LifecycleObserver {
return this;
}
public SimpleTask<T> setOptional(boolean optional) {
this.optional = optional;
return this;
}
public SimpleTask<T> setExecutor(ExecutorService executor) {
this.localExecutor = executor;
return this;
@ -144,6 +150,15 @@ public abstract class SimpleTask<T> implements LifecycleObserver {
}
}
LifecycleObserver watcher = new LifecycleObserver() {
@OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
public void onDestroy() {
EntityLog.log(context, EntityLog.Type.Debug, "Cancelling task=" + name);
cancel(context);
owner.getLifecycle().removeObserver(this);
}
};
future = getExecutor(context).submit(new Runnable() {
private Object data;
private long elapsed;
@ -181,30 +196,35 @@ public abstract class SimpleTask<T> implements LifecycleObserver {
if (state.equals(Lifecycle.State.DESTROYED)) {
// No delivery
cleanup(context);
} else if (state.isAtLeast(Lifecycle.State.RESUMED)) {
// Inline delivery
Log.i("Deliver task " + name + " state=" + state + " elapse=" + elapsed + " ms");
deliver();
cleanup(context);
} else {
Log.i("Deferring task " + name + " state=" + state);
owner.getLifecycle().addObserver(new LifecycleObserver() {
@OnLifecycleEvent(Lifecycle.Event.ON_ANY)
public void onAny() {
state = owner.getLifecycle().getCurrentState();
if (state.equals(Lifecycle.State.DESTROYED)) {
Log.i("Destroyed task " + name);
owner.getLifecycle().removeObserver(this);
cleanup(context);
} else if (state.isAtLeast(Lifecycle.State.RESUMED)) {
Log.i("Deferred delivery task " + name);
owner.getLifecycle().removeObserver(this);
deliver();
cleanup(context);
} else
Log.i("Deferring task " + name + " state=" + state);
}
});
if (optional)
owner.getLifecycle().removeObserver(watcher);
if (state.isAtLeast(Lifecycle.State.RESUMED)) {
// Inline delivery
Log.i("Deliver task " + name + " state=" + state + " elapse=" + elapsed + " ms");
deliver();
cleanup(context);
} else {
Log.i("Deferring task " + name + " state=" + state);
owner.getLifecycle().addObserver(new LifecycleObserver() {
@OnLifecycleEvent(Lifecycle.Event.ON_ANY)
public void onAny() {
state = owner.getLifecycle().getCurrentState();
if (state.equals(Lifecycle.State.DESTROYED)) {
Log.i("Destroyed task " + name);
owner.getLifecycle().removeObserver(this);
cleanup(context);
} else if (state.isAtLeast(Lifecycle.State.RESUMED)) {
Log.i("Deferred delivery task " + name);
owner.getLifecycle().removeObserver(this);
deliver();
cleanup(context);
} else
Log.i("Deferring task " + name + " state=" + state);
}
});
}
}
}
@ -249,6 +269,9 @@ public abstract class SimpleTask<T> implements LifecycleObserver {
}
});
if (optional)
owner.getLifecycle().addObserver(watcher);
updateTaskCount(context);
}

View File

@ -431,7 +431,7 @@ public class ViewModelMessages extends ViewModel {
Log.i("Observe previous/next fallback=" + result);
return result;
}
}.execute(context, owner, args, "model:fallback");
}.setOptional(true).execute(context, owner, args, "model:fallback");
}
});
}