Created
January 3, 2023 20:17
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/* | |
* Public Domain @ CPMGN | |
* Centre de Production Multimédia de la Gendarmerie Nationale | |
*/ | |
package com.agroneo.grow.system.utils; | |
import android.os.Handler; | |
import android.os.Looper; | |
import java.util.concurrent.ExecutorService; | |
import java.util.concurrent.Executors; | |
/** | |
* The type Async task. | |
* | |
* @param <Result> the type parameter | |
*/ | |
public abstract class AsyncTask<Result> { | |
/** | |
* The Executor. | |
*/ | |
private final ExecutorService executor = Executors.newSingleThreadExecutor(); | |
/** | |
* The Handler. | |
*/ | |
private final Handler handler = new Handler(Looper.getMainLooper()); | |
/** | |
* The Is cancelled. | |
*/ | |
private boolean isCancelled = false; | |
/** | |
* Is cancelled boolean. | |
* | |
* @return the boolean | |
*/ | |
public boolean isCancelled() { | |
return isCancelled; | |
} | |
/** | |
* Cancel. | |
*/ | |
public final void cancel() { | |
isCancelled = true; | |
executor.shutdownNow(); | |
} | |
/** | |
* Execute. | |
* | |
* @param params the params | |
*/ | |
public final void execute(Object... params) { | |
executor.execute(() -> { | |
Result rez = background(params); | |
handler.post(() -> executed(rez)); | |
}); | |
} | |
/** | |
* Background result. | |
* | |
* @param params the params | |
* @return the result | |
*/ | |
protected abstract Result background(Object... params); | |
/** | |
* Send progress. | |
* | |
* @param percent the percent | |
*/ | |
protected final void sendProgress(int percent) { | |
handler.post(() -> progress(percent)); | |
} | |
/** | |
* Progress. | |
* | |
* @param percent the percent | |
*/ | |
protected void progress(int percent) { | |
} | |
/** | |
* Executed. | |
* | |
* @param result the result | |
*/ | |
protected void executed(Result result) { | |
} | |
} |
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