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add option to run SimpleWorker task onMainLoop before execution on worker-thread

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This commit is contained in:
Hannes Janetzek 2014-02-02 14:13:00 +01:00
parent bf2e0e44a8
commit bdc18c9eb6
1 changed files with 24 additions and 4 deletions
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28
vtm/src/org/oscim/utils/async/SimpleWorker.java
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@ -8,7 +8,7 @@ import org.oscim.map.Map;
*/
public abstract class SimpleWorker<T> implements Runnable {
private final Map mMap;
protected final Map mMap;
protected boolean mRunning;
protected boolean mWait;
@ -48,7 +48,12 @@ public abstract class SimpleWorker<T> implements Runnable {
return;
}
// FIXME: mTaskTodo == null?
if (mDelayed || mTaskTodo == null) {
if (mDelayed)
onMainLoop(mTaskTodo);
// entered on main-loop
mDelayed = false;
// unset running temporarily
@ -88,6 +93,15 @@ public abstract class SimpleWorker<T> implements Runnable {
}
/** do stuff on main-loop before executing the task */
public void onMainLoop(T task) {
}
/**
* If delay > 0 onMainLoop will be called before Task
* is passed to worker-thread
*/
public synchronized void submit(long delay) {
if (mRunning) {
@ -101,9 +115,10 @@ public abstract class SimpleWorker<T> implements Runnable {
return;
}
mDelayed = true;
mMap.postDelayed(this, delay);
if (!mDelayed) {
mDelayed = true;
mMap.postDelayed(this, delay);
}
}
public synchronized T poll() {
@ -133,4 +148,9 @@ public abstract class SimpleWorker<T> implements Runnable {
cleanup(mTaskTodo);
finish();
}
public synchronized boolean isRunning() {
return mRunning;
}
}