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Examples of errors detected by the V603…

Examples of errors detected by the V6032 diagnostic

April 5, 2021

V6032. It is odd that the body of 'Foo_1' function is fully equivalent to the body of 'Foo_2' function.


SonarQube

V6032 It is odd that the body of method 'setUpdatedAtFromDefinition' is fully equivalent to the body of another method 'setUpdatedAtFromMetadata'. Check lines: 396, 405. RuleDto.java 396


public class RuleDto {
  ....
  private final RuleDefinitionDto definition;
  private final RuleMetadataDto metadata;
  ....
  private void setUpdatedAtFromDefinition(@Nullable Long updatedAt) {
    if (updatedAt != null && updatedAt > definition.getUpdatedAt()) {
      setUpdatedAt(updatedAt);
    }
  }

  private void setUpdatedAtFromMetadata(@Nullable Long updatedAt) {
    if (updatedAt != null && updatedAt > definition.getUpdatedAt()) {
      setUpdatedAt(updatedAt);
    }
  }
  ....
}

A definition field is used in the method setUpdatedAtFromMetadata. Most likely, the metadata field should be used. This is very similar to the effects of a failed Copy-Paste.


CUBA Platform

V6032 It is odd that the body of method 'firstItemId' is fully equivalent to the body of another method 'lastItemId'. ContainerTableItems.java(213), ContainerTableItems.java(219)


@Override
public Object firstItemId() {
  List<E> items = container.getItems();
  return items.isEmpty() ? null : items.get(0).getId();
}

@Override
public Object lastItemId() {
  List<E> items = container.getItems();
  return items.isEmpty() ? null : items.get(0).getId();
}

CUBA Platform

V6032 It is odd that the body of method is fully equivalent to the body of another method. SearchComboBoxPainter.java(495), SearchComboBoxPainter.java(501)


private void paintBackgroundDisabledAndEditable(Graphics2D g) {
  rect = decodeRect1();
  g.setPaint(color53);
  g.fill(rect);
}

private void paintBackgroundEnabledAndEditable(Graphics2D g) {
  rect = decodeRect1();
  g.setPaint(color53);
  g.fill(rect);
}

Huawei Cloud

V6032 It is odd that the body of method 'enable' is fully equivalent to the body of another method 'disable'. ServiceAction.java(32), ServiceAction.java(36)


public class ServiceAction implements ModelEntity
{
  private String binary;
  private String host;

  private ServiceAction(String binary, String host) {
    this.binary = binary;
    this.host = host;
  }

  public static ServiceAction enable(String binary, String host) { // <=
    return new ServiceAction(binary, host);
  }

  public static ServiceAction disable(String binary, String host) { // <=
    return new ServiceAction(binary, host);
  }
  ....
}

Apache Flink

V6032 It is odd that the body of method 'seekToFirst' is fully equivalent to the body of another method 'seekToLast'. RocksIteratorWrapper.java(53), RocksIteratorWrapper.java(59)


public class RocksIteratorWrapper implements RocksIteratorInterface, Closeable {
  ....
  private RocksIterator iterator;
  ....

  @Override
  public void seekToFirst() {
    iterator.seekToFirst(); // <=
    status();
  }

  @Override
  public void seekToLast() {
    iterator.seekToFirst();  // <=
    status();
  }

  ....
}

public class RocksIterator extends AbstractRocksIterator<RocksDB>
{
  ....
}

public abstract class AbstractRocksIterator<...> extends ...
{
  ....
  public void seekToFirst() // <=
  {
    assert this.isOwningHandle();
    this.seekToFirst0(this.nativeHandle_);
  }

  public void seekToLast() // <=
  {
    assert this.isOwningHandle();
    this.seekToLast0(this.nativeHandle_);
  }
  ....
}

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