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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.docproc.jdisc;
import com.yahoo.docproc.Processing;
import com.yahoo.documentapi.messagebus.protocol.DocumentProtocol;
import org.junit.Test;
import java.net.URI;
import java.util.List;
import java.util.Queue;
import java.util.concurrent.PriorityBlockingQueue;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.hamcrest.CoreMatchers.sameInstance;
import static org.junit.Assert.assertThat;
/**
* @author <a href="mailto:einarmr@yahoo-inc.com">Einar M R Rosenvinge</a>
*/
public class DocumentProcessingTaskPrioritizationTestCase {
@Test
public void proritization() {
Queue<DocumentProcessingTask> queue = new PriorityBlockingQueue<>();
DocumentProcessingTask highest = new TestDocumentProcessingTask(DocumentProtocol.Priority.HIGHEST);
DocumentProcessingTask veryhigh = new TestDocumentProcessingTask(DocumentProtocol.Priority.VERY_HIGH);
DocumentProcessingTask high1 = new TestDocumentProcessingTask(DocumentProtocol.Priority.HIGH_1);
DocumentProcessingTask normal_1 = new TestDocumentProcessingTask(DocumentProtocol.Priority.NORMAL_1);
DocumentProcessingTask low_1 = new TestDocumentProcessingTask(DocumentProtocol.Priority.LOW_1);
DocumentProcessingTask verylow = new TestDocumentProcessingTask(DocumentProtocol.Priority.VERY_LOW);
DocumentProcessingTask lowest = new TestDocumentProcessingTask(DocumentProtocol.Priority.LOWEST);
DocumentProcessingTask normal_2 = new TestDocumentProcessingTask(DocumentProtocol.Priority.NORMAL_1);
DocumentProcessingTask normal_3 = new TestDocumentProcessingTask(DocumentProtocol.Priority.NORMAL_1);
DocumentProcessingTask normal_4 = new TestDocumentProcessingTask(DocumentProtocol.Priority.NORMAL_1);
DocumentProcessingTask highest_2 = new TestDocumentProcessingTask(DocumentProtocol.Priority.HIGHEST);
DocumentProcessingTask highest_3 = new TestDocumentProcessingTask(DocumentProtocol.Priority.HIGHEST);
queue.add(highest);
queue.add(veryhigh);
queue.add(high1);
queue.add(normal_1);
queue.add(low_1);
queue.add(verylow);
queue.add(lowest);
queue.add(normal_2);
queue.add(normal_3);
queue.add(normal_4);
queue.add(highest_2);
queue.add(highest_3);
assertThat(queue.poll(), sameInstance(highest));
assertThat(queue.poll(), sameInstance(highest_2));
assertThat(queue.poll(), sameInstance(highest_3));
assertThat(queue.poll(), sameInstance(veryhigh));
assertThat(queue.poll(), sameInstance(high1));
assertThat(queue.poll(), sameInstance(normal_1));
assertThat(queue.poll(), sameInstance(normal_2));
assertThat(queue.poll(), sameInstance(normal_3));
assertThat(queue.poll(), sameInstance(normal_4));
assertThat(queue.poll(), sameInstance(low_1));
assertThat(queue.poll(), sameInstance(verylow));
assertThat(queue.poll(), sameInstance(lowest));
assertThat(queue.poll(), nullValue());
}
private class TestDocumentProcessingTask extends DocumentProcessingTask {
private TestDocumentProcessingTask(DocumentProtocol.Priority priority) {
super(new TestRequestContext(priority), null, null);
}
}
private class TestRequestContext implements RequestContext {
private final DocumentProtocol.Priority priority;
public TestRequestContext(DocumentProtocol.Priority priority) {
this.priority = priority;
}
@Override
public List<Processing> getProcessings() {
return null;
}
@Override
public void skip() {
}
@Override
public void processingDone(List<Processing> processing) {
}
@Override
public void processingFailed(ErrorCode error, String msg) {
}
@Override
public void processingFailed(Exception exception) {
}
@Override
public int getApproxSize() {
return 0;
}
@Override
public int getPriority() {
return priority.getValue();
}
@Override
public boolean isProcessable() {
return true;
}
@Override
public URI getUri() {
return null;
}
@Override
public String getServiceName() {
return null;
}
}
}
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