62 lines
2.1 KiB
Java
62 lines
2.1 KiB
Java
package org.baeldung.async;
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import java.util.concurrent.ExecutionException;
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import java.util.concurrent.Future;
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import org.baeldung.async.config.SpringAsyncConfig;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.test.context.ContextConfiguration;
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import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
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import org.springframework.test.context.support.AnnotationConfigContextLoader;
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@RunWith(SpringJUnit4ClassRunner.class)
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@ContextConfiguration(classes = { SpringAsyncConfig.class }, loader = AnnotationConfigContextLoader.class)
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public class AsyncAnnotationExampleTest {
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@Autowired
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AsyncAnnotationExample asyncAnnotationExample;
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@Test
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public void testAsyncAnnotationForMethodsWithVoidReturnType() {
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System.out.println("Start - invoking an asynchronous method. "
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+ Thread.currentThread().getName());
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asyncAnnotationExample.asyncMethodWithVoidReturnType();
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System.out.println("End - invoking an asynchronous method. ");
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}
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@Test
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public void testAsyncAnnotationForMethodsWithReturnType()
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throws InterruptedException, ExecutionException {
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System.out.println("Start - invoking an asynchronous method. "
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+ Thread.currentThread().getName());
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final Future<String> future = asyncAnnotationExample
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.asyncMethodWithReturnType();
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while (true) {
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if (future.isDone()) {
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System.out.println("Result from asynchronous process - "
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+ future.get());
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break;
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}
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System.out.println("Continue doing something else. ");
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Thread.sleep(1000);
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}
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}
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@Test
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public void testAsyncAnnotationForMethodsWithConfiguredExecutor() {
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System.out.println("Start - invoking an asynchronous method. ");
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asyncAnnotationExample.asyncMethodWithConfiguredExecutor();
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System.out.println("End - invoking an asynchronous method. ");
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}
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@Test
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public void testAsyncAnnotationForMethodsWithException() throws Exception {
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System.out.println("Start - invoking an asynchronous method. ");
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asyncAnnotationExample.asyncMethodWithExceptions();
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System.out.println("End - invoking an asynchronous method. ");
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}
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}
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