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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 - 2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.so.client.restproperties;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.assertThat;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import org.junit.Test;
import org.onap.so.client.RestPropertiesLoader;
import org.onap.so.client.aai.AAIProperties;
import org.onap.so.BaseTest;
public class ThreadedReadTest {
@Test
public void allAtOnce() throws InterruptedException {
ExecutorService executorService = Executors.newFixedThreadPool(10);
Callable<AAIProperties> callableTask = () -> {
return RestPropertiesLoader.getInstance().getNewImpl(AAIProperties.class);
};
List<Callable<AAIProperties>> callableTasks = new ArrayList<>();
callableTasks.add(callableTask);
callableTasks.add(callableTask);
callableTasks.add(callableTask);
callableTasks.add(callableTask);
callableTasks.add(callableTask);
List<Future<AAIProperties>> futures = executorService.invokeAll(callableTasks);
Set<AAIProperties> results = new HashSet<>();
futures.forEach(item -> {
try {
results.add(item.get());
} catch (InterruptedException | ExecutionException e) {
throw new RuntimeException(e);
}
});
assertThat("expect all unique results", results.size(), equalTo(callableTasks.size()));
}
@Test
public void executeOverTime() {
ScheduledExecutorService executorService = Executors.newScheduledThreadPool(10);
Callable<AAIProperties> callableTask = () -> {
TimeUnit.MILLISECONDS.sleep(500);
return RestPropertiesLoader.getInstance().getNewImpl(AAIProperties.class);
};
List<Callable<AAIProperties>> callableTasks = new ArrayList<>();
callableTasks.add(callableTask);
callableTasks.add(callableTask);
callableTasks.add(callableTask);
callableTasks.add(callableTask);
callableTasks.add(callableTask);
Set<AAIProperties> results = new HashSet<>();
callableTasks.forEach(callable -> {
try {
TimeUnit.MILLISECONDS.sleep(300);
Future<AAIProperties> result = executorService.submit(callable);
results.add(result.get());
} catch (InterruptedException | ExecutionException e) {
throw new RuntimeException(e);
}
});
assertThat("expect all unique results", results.size(), equalTo(callableTasks.size()));
}
}
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