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de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java

Summary

Maintainability
F
6 days
Test Coverage

Method performExecute has a Cognitive Complexity of 72 (exceeds 5 allowed). Consider refactoring.
Open

  @Override
  protected PortObject[] performExecute(PortObject[] inObjects, ExecutionContext exec)
      throws Exception {
    String portObjectModelType = "";
    if (inObjects[0] != null) {
Severity: Minor
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java - About 1 day to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

File FSKEditorJSNodeModel.java has 600 lines of code (exceeds 250 allowed). Consider refactoring.
Open

/*
 ***************************************************************************************************
 * Copyright (c) 2017 Federal Institute for Risk Assessment (BfR), Germany
 *
 * This program is free software: you can redistribute it and/or modify it under the terms of the
Severity: Major
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java - About 1 day to fix

Method performExecute has 188 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  @Override
  protected PortObject[] performExecute(PortObject[] inObjects, ExecutionContext exec)
      throws Exception {
    String portObjectModelType = "";
    if (inObjects[0] != null) {
Severity: Major
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java - About 7 hrs to fix

FSKEditorJSNodeModel has 23 methods (exceeds 20 allowed). Consider refactoring.
Open

final class FSKEditorJSNodeModel
    extends AbstractWizardNodeModel<FSKEditorJSViewRepresentation, FSKEditorJSViewValue>
    implements PortObjectHolder {

  private static final NodeLogger LOGGER = NodeLogger.getLogger(FSKEditorJSNodeModel.class);
Severity: Minor
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java - About 2 hrs to fix

Method createEmptyViewRepresentation has 59 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  @Override
  public FSKEditorJSViewRepresentation createEmptyViewRepresentation() {
    FSKEditorJSViewRepresentation representation = super.getViewRepresentation();
    if (representation == null) {
      representation = new FSKEditorJSViewRepresentation();
Severity: Major
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java - About 2 hrs to fix

Method checkAndRegenerateSimulation has 53 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  public void checkAndRegenerateSimulation(List<FskSimulation> simulations,
      List<Parameter> originalParameters, List<Parameter> newParams) {
    List<Parameter> paramsToBeRemoved =
        (List<Parameter>) CollectionUtils.removeAll(originalParameters, newParams);
    List<Parameter> viewParams =  (List<Parameter>) CollectionUtils.removeAll(newParams, originalParameters);
Severity: Major
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java - About 2 hrs to fix

Method getViewValue has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.
Open

  @Override
  public FSKEditorJSViewValue getViewValue() {

    FSKEditorJSViewValue value = super.getViewValue();
Severity: Minor
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java - About 1 hr to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Method getViewValue has 32 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  @Override
  public FSKEditorJSViewValue getViewValue() {

    FSKEditorJSViewValue value = super.getViewValue();
Severity: Minor
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java - About 1 hr to fix

Refactor this method to reduce its Cognitive Complexity from 72 to the 15 allowed.
Open

  protected PortObject[] performExecute(PortObject[] inObjects, ExecutionContext exec)
Severity: Critical
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java by sonar-java

Cognitive Complexity is a measure of how hard the control flow of a method is to understand. Methods with high Cognitive Complexity will be difficult to maintain.

See

Refactor this method to reduce its Cognitive Complexity from 25 to the 15 allowed.
Open

  public void checkAndRegenerateSimulation(List<FskSimulation> simulations,
Severity: Critical
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java by sonar-java

Cognitive Complexity is a measure of how hard the control flow of a method is to understand. Methods with high Cognitive Complexity will be difficult to maintain.

See

Define a constant instead of duplicating this literal "genericModel" 3 times.
Open

      String modelType = metadataNode.get("modelType").asText("genericModel");
Severity: Critical
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java by sonar-java

Duplicated string literals make the process of refactoring error-prone, since you must be sure to update all occurrences.

On the other hand, constants can be referenced from many places, but only need to be updated in a single place.

Noncompliant Code Example

With the default threshold of 3:

public void run() {
  prepare("action1");                              // Noncompliant - "action1" is duplicated 3 times
  execute("action1");
  release("action1");
}

@SuppressWarning("all")                            // Compliant - annotations are excluded
private void method1() { /* ... */ }
@SuppressWarning("all")
private void method2() { /* ... */ }

public String method3(String a) {
  System.out.println("'" + a + "'");               // Compliant - literal "'" has less than 5 characters and is excluded
  return "";                                       // Compliant - literal "" has less than 5 characters and is excluded
}

Compliant Solution

private static final String ACTION_1 = "action1";  // Compliant

public void run() {
  prepare(ACTION_1);                               // Compliant
  execute(ACTION_1);
  release(ACTION_1);
}

Exceptions

To prevent generating some false-positives, literals having less than 5 characters are excluded.

Define a constant instead of duplicating this literal "modelType" 3 times.
Open

      String modelType = metadataNode.get("modelType").asText("genericModel");
Severity: Critical
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java by sonar-java

Duplicated string literals make the process of refactoring error-prone, since you must be sure to update all occurrences.

On the other hand, constants can be referenced from many places, but only need to be updated in a single place.

Noncompliant Code Example

With the default threshold of 3:

public void run() {
  prepare("action1");                              // Noncompliant - "action1" is duplicated 3 times
  execute("action1");
  release("action1");
}

@SuppressWarning("all")                            // Compliant - annotations are excluded
private void method1() { /* ... */ }
@SuppressWarning("all")
private void method2() { /* ... */ }

public String method3(String a) {
  System.out.println("'" + a + "'");               // Compliant - literal "'" has less than 5 characters and is excluded
  return "";                                       // Compliant - literal "" has less than 5 characters and is excluded
}

Compliant Solution

private static final String ACTION_1 = "action1";  // Compliant

public void run() {
  prepare(ACTION_1);                               // Compliant
  execute(ACTION_1);
  release(ACTION_1);
}

Exceptions

To prevent generating some false-positives, literals having less than 5 characters are excluded.

Add a nested comment explaining why this method is empty, throw an UnsupportedOperationException or complete the implementation.
Open

  public void setHideInWizard(boolean hide) {
Severity: Critical
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java by sonar-java

There are several reasons for a method not to have a method body:

  • It is an unintentional omission, and should be fixed to prevent an unexpected behavior in production.
  • It is not yet, or never will be, supported. In this case an UnsupportedOperationException should be thrown.
  • The method is an intentionally-blank override. In this case a nested comment should explain the reason for the blank override.

Noncompliant Code Example

public void doSomething() {
}

public void doSomethingElse() {
}

Compliant Solution

@Override
public void doSomething() {
  // Do nothing because of X and Y.
}

@Override
public void doSomethingElse() {
  throw new UnsupportedOperationException();
}

Exceptions

Default (no-argument) constructors are ignored when there are other constructors in the class, as are empty methods in abstract classes.

public abstract class Animal {
  void speak() {  // default implementation ignored
  }
}

Add a nested comment explaining why this method is empty, throw an UnsupportedOperationException or complete the implementation.
Open

  public void saveCurrentValue(NodeSettingsWO content) {
Severity: Critical
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java by sonar-java

There are several reasons for a method not to have a method body:

  • It is an unintentional omission, and should be fixed to prevent an unexpected behavior in production.
  • It is not yet, or never will be, supported. In this case an UnsupportedOperationException should be thrown.
  • The method is an intentionally-blank override. In this case a nested comment should explain the reason for the blank override.

Noncompliant Code Example

public void doSomething() {
}

public void doSomethingElse() {
}

Compliant Solution

@Override
public void doSomething() {
  // Do nothing because of X and Y.
}

@Override
public void doSomethingElse() {
  throw new UnsupportedOperationException();
}

Exceptions

Default (no-argument) constructors are ignored when there are other constructors in the class, as are empty methods in abstract classes.

public abstract class Animal {
  void speak() {  // default implementation ignored
  }
}

Identical blocks of code found in 2 locations. Consider refactoring.
Open

    synchronized (getLock()) {

      final String connectedNodeId = getTableId(0);
      
      if (value.isEmpty()) {
Severity: Major
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java and 1 other location - About 2 hrs to fix
de.bund.bfr.knime.fsklab.deprecatednodes/src-1_9_0/de/bund/bfr/knime/fsklab/v1_9/editor/FSKEditorJSNodeModel.java on lines 98..126

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 162.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Identical blocks of code found in 2 locations. Consider refactoring.
Open

  public void downloadFileToWorkingDir(String fileURL, String workingDir)
      throws IOException, URISyntaxException, InvalidSettingsException {
    String fileName = fileURL.substring(fileURL.lastIndexOf("/") + 1, fileURL.length());
    String destinationPath = workingDir + File.separator + fileName;
    File fileTodownload = new File(destinationPath);
Severity: Major
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java and 1 other location - About 1 hr to fix
de.bund.bfr.knime.fsklab.deprecatednodes/src-1_7_2/de/bund/bfr/knime/fsklab/nodes/v1_7_2/editor/FSKEditorJSNodeModel.java on lines 204..214

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 101.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Identical blocks of code found in 2 locations. Consider refactoring.
Open

  private void copyValueToConfig() {
    FSKEditorJSViewValue value = getViewValue();
    m_config.setModelMetaData(value.getModelMetaData());
    m_config.setModelScript(value.getModelScript());
    m_config.setVisualizationScript(value.getVisualizationScript());
Severity: Major
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java and 1 other location - About 1 hr to fix
de.bund.bfr.knime.fsklab.deprecatednodes/src-1_9_0/de/bund/bfr/knime/fsklab/v1_9/editor/FSKEditorJSNodeModel.java on lines 325..336

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 101.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Identical blocks of code found in 2 locations. Consider refactoring.
Open

  private void copyConfigToView(FSKEditorJSViewValue value) {
    value.setModelMetaData(m_config.getModelMetaData());
    value.setModelScript(m_config.getModelScript());
    value.setVisualizationScript(m_config.getVisualizationScript());
    value.setReadme(m_config.getReadme());
Severity: Major
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java and 1 other location - About 1 hr to fix
de.bund.bfr.knime.fsklab.deprecatednodes/src-1_9_0/de/bund/bfr/knime/fsklab/v1_9/editor/FSKEditorJSNodeModel.java on lines 313..323

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 94.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Identical blocks of code found in 2 locations. Consider refactoring.
Open

  private void copyConnectedNodeToView(String connectedNodeId, FSKEditorJSViewValue value) {

    try {
      String jsonMetadata = MAPPER.writeValueAsString(m_port.modelMetadata);
      value.setModelMetaData(jsonMetadata);
Severity: Major
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java and 1 other location - About 1 hr to fix
de.bund.bfr.knime.fsklab.deprecatednodes/src-1_9_0/de/bund/bfr/knime/fsklab/v1_9/editor/FSKEditorJSNodeModel.java on lines 343..358

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 89.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Identical blocks of code found in 2 locations. Consider refactoring.
Open

    } else if (inObjects[0] != null) {
      environmentManager = ((FskPortObject) inObjects[0]).getEnvironmentManager();
    } else {
      environmentManager = Optional.empty();
    }
Severity: Minor
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java and 1 other location - About 35 mins to fix
de.bund.bfr.knime.fsklab.deprecatednodes/src-1_9_0/de/bund/bfr/knime/fsklab/v1_9/editor/FSKEditorJSNodeModel.java on lines 174..178

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 44.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 2 locations. Consider refactoring.
Open

            }else {
              //update representation for following model type changes
              viewRep.setModelMetadata(MAPPER.writeValueAsString(metadata));
              viewRep.setModelScript(viewValue.getModelScript());
              viewRep.setVisScript(viewValue.getVisualizationScript());
Severity: Minor
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java and 1 other location - About 35 mins to fix
de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java on lines 438..443

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 44.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 2 locations. Consider refactoring.
Open

            if(!viewValue.isCompleted()) {
              viewValue.setModelMetaData(MAPPER.writeValueAsString(metadata));
              viewValue.setModelScript(viewRep.getModelScript());
              viewValue.setVisualizationScript(viewRep.getVisScript());
              viewValue.setReadme(viewRep.getReadme());
Severity: Minor
Found in de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java and 1 other location - About 35 mins to fix
de.bund.bfr.knime.fsklab.nodes/src/de/bund/bfr/knime/fsklab/v2_0/editor/FSKEditorJSNodeModel.java on lines 443..449

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 44.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

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