org.obiba.mica.core.ExceptionHandlingAsyncTaskExecutor.java Source code

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Here is the source code for org.obiba.mica.core.ExceptionHandlingAsyncTaskExecutor.java

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/*
 * Copyright (c) 2018 OBiBa. All rights reserved.
 *
 * This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.obiba.mica.core;

import java.util.concurrent.Callable;
import java.util.concurrent.Future;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.core.task.AsyncTaskExecutor;

public class ExceptionHandlingAsyncTaskExecutor implements AsyncTaskExecutor, InitializingBean, DisposableBean {

    private static final Logger log = LoggerFactory.getLogger(ExceptionHandlingAsyncTaskExecutor.class);

    private final AsyncTaskExecutor executor;

    public ExceptionHandlingAsyncTaskExecutor(AsyncTaskExecutor executor) {
        this.executor = executor;
    }

    @Override
    public void execute(Runnable task) {
        executor.execute(task);
    }

    @Override
    public void execute(Runnable task, long startTimeout) {
        executor.execute(createWrappedRunnable(task), startTimeout);
    }

    private <T> Callable<T> createCallable(Callable<T> task) {
        return () -> {
            try {
                return task.call();
            } catch (Exception e) {
                handle(e);
                throw e;
            }
        };
    }

    private Runnable createWrappedRunnable(Runnable task) {
        return () -> {
            try {
                task.run();
            } catch (Exception e) {
                handle(e);
            }
        };
    }

    protected void handle(Exception e) {
        log.error("Caught async exception", e);
    }

    @Override
    public Future<?> submit(Runnable task) {
        return executor.submit(createWrappedRunnable(task));
    }

    @Override
    public <T> Future<T> submit(Callable<T> task) {
        return executor.submit(createCallable(task));
    }

    @Override
    public void destroy() throws Exception {
        if (executor instanceof DisposableBean) {
            DisposableBean bean = (DisposableBean) executor;
            bean.destroy();
        }
    }

    @Override
    public void afterPropertiesSet() throws Exception {
        if (executor instanceof InitializingBean) {
            InitializingBean bean = (InitializingBean) executor;
            bean.afterPropertiesSet();
        }
    }
}