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Add delay in @Background #525

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mathieuboniface merged 4 commits into from
Apr 13, 2013
Merged

Add delay in @Background #525

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044017c
Add delay in @Background
Mar 4, 2013
31adbd8
Use ScheduledExecutorService instead of Handler
Mar 6, 2013
8fc6e05
Remove unused method
Mar 11, 2013
98c361a
Change corePoolSize from 1 to 2 * Runtime.availableProcessors()
Mar 13, 2013
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1 change: 1 addition & 0 deletions ...s/androidannotations-api/src/main/java/org/androidannotations/annotations/Background.java
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Original file line number Diff line number Diff line change
Expand Up @@ -28,4 +28,5 @@
@Retention(RetentionPolicy.CLASS)
@Target(ElementType.METHOD)
public @interface Background {
long delay() default 0;
}
12 changes: 11 additions & 1 deletion ...tions/androidannotations/src/main/java/org/androidannotations/api/BackgroundExecutor.java
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Expand Up @@ -17,17 +17,27 @@

import java.util.concurrent.Executor;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;

public class BackgroundExecutor {

private static Executor executor = Executors.newCachedThreadPool();
private static ScheduledExecutorService scheduledExecutor = Executors.newScheduledThreadPool(2 * Runtime.getRuntime().availableProcessors());

public static void execute(Runnable runnable) {
executor.execute(runnable);
}

public static void setExecutor(Executor executor) {
BackgroundExecutor.executor = executor;
}

public static void executeDelayed(Runnable runnable, long delay) {
scheduledExecutor.schedule(runnable, delay, TimeUnit.MILLISECONDS);
}

public static void setScheduledExecutor(ScheduledExecutorService scheduledExecutor) {
BackgroundExecutor.scheduledExecutor = scheduledExecutor;
}
}
16 changes: 13 additions & 3 deletions ...droidannotations/src/main/java/org/androidannotations/processing/BackgroundProcessor.java
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Expand Up @@ -15,6 +15,9 @@
*/
package org.androidannotations.processing;

import static com.sun.codemodel.JExpr._new;
import static com.sun.codemodel.JExpr.lit;

import javax.lang.model.element.Element;
import javax.lang.model.element.ExecutableElement;

Expand All @@ -26,7 +29,6 @@
import com.sun.codemodel.JClassAlreadyExistsException;
import com.sun.codemodel.JCodeModel;
import com.sun.codemodel.JDefinedClass;
import com.sun.codemodel.JExpr;
import com.sun.codemodel.JInvocation;
import com.sun.codemodel.JMethod;

Expand All @@ -52,13 +54,21 @@ public void process(Element element, JCodeModel codeModel, EBeanHolder holder) t

{
// Execute Runnable
Background annotation = element.getAnnotation(Background.class);
long delay = annotation.delay();

JClass backgroundExecutorClass = holder.refClass(BackgroundExecutor.class);
JInvocation executeCall;

JInvocation executeCall = backgroundExecutorClass.staticInvoke("execute").arg(JExpr._new(anonymousRunnableClass));
if (delay == 0) {
executeCall = backgroundExecutorClass.staticInvoke("execute").arg(_new(anonymousRunnableClass));
} else {
executeCall = backgroundExecutorClass.staticInvoke("executeDelayed").arg(_new(anonymousRunnableClass)).arg(lit(delay));
}

delegatingMethod.body().add(executeCall);

}

}

}
6 changes: 5 additions & 1 deletion ...tions/functional-test-1-5/src/main/java/org/androidannotations/test15/ThreadActivity.java
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Expand Up @@ -18,7 +18,6 @@
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.SortedSet;

import org.androidannotations.annotations.Background;
import org.androidannotations.annotations.EActivity;
Expand All @@ -40,6 +39,11 @@ void emptyUiMethod() {
@Background
void emptyBackgroundMethod() {

}

@Background(delay = 1000)
void emptyDelayedBackgroundMethod() {

}

@UiThread
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