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datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java

Summary

Maintainability
F
4 days
Test Coverage

Method execute has a Cognitive Complexity of 59 (exceeds 5 allowed). Consider refactoring.
Open

    private static Pair<List<List<Writable>>, List<List<List<Writable>>>> execute(
            List<List<Writable>> inputWritables, List<List<List<Writable>>> inputSequence,
            TransformProcess sequence) {
        List<List<Writable>> currentWritables = inputWritables;
        List<List<List<Writable>>> currentSequence = inputSequence;
Severity: Minor
Found in datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.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

Method execute has 189 lines of code (exceeds 25 allowed). Consider refactoring.
Open

    private static Pair<List<List<Writable>>, List<List<List<Writable>>>> execute(
            List<List<Writable>> inputWritables, List<List<List<Writable>>> inputSequence,
            TransformProcess sequence) {
        List<List<Writable>> currentWritables = inputWritables;
        List<List<List<Writable>>> currentSequence = inputSequence;
Severity: Major
Found in datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java - About 7 hrs to fix

    File LocalTransformExecutor.java has 381 lines of code (exceeds 250 allowed). Consider refactoring.
    Open

    /*
 *  ******************************************************************************
 *  *
 *  *
 *  * This program and the accompanying materials are made available under the
    Severity: Minor
    Found in datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java - About 5 hrs to fix

      Method convertStringInputTimeSeries has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.
      Open

          public static List<List<List<Writable>>> convertStringInputTimeSeries(List<List<List<String>>> stringInput,Schema schema) {
        List<List<List<Writable>>> ret = new ArrayList<>();
        for(int i = 0; i < stringInput.size(); i++) {
            List<List<String>> currInput = stringInput.get(i);
            List<List<Writable>> timeStepAdd = new ArrayList<>();
      Severity: Minor
      Found in datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.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 executeJoin has 27 lines of code (exceeds 25 allowed). Consider refactoring.
      Open

          public static List<List<Writable>> executeJoin(Join join, List<List<Writable>> left,
                                                   List<List<Writable>> right) {

        String[] leftColumnNames = join.getJoinColumnsLeft();
        int[] leftColumnIndexes = new int[leftColumnNames.length];
      Severity: Minor
      Found in datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java - About 1 hr to fix

        Method convertWritableInputToStringTimeSeries has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
        Open

            public static List<List<List<String>>> convertWritableInputToStringTimeSeries(List<List<List<Writable>>> stringInput,Schema schema) {
        List<List<List<String>>> ret = new ArrayList<>();
        for(int i = 0; i < stringInput.size(); i++) {
            List<List<Writable>> currInput = stringInput.get(i);
            List<List<String>> timeStepAdd = new ArrayList<>();
        Severity: Minor
        Found in datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java - About 25 mins 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 convertStringInput has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
        Open

            public static List<List<Writable>> convertStringInput(List<List<String>> stringInput,Schema schema) {
        List<List<Writable>> ret = new ArrayList<>();
        List<List<Writable>> timeStepAdd = new ArrayList<>();
        for(int j = 0; j < stringInput.size(); j++) {
            List<String> record = stringInput.get(j);
        Severity: Minor
        Found in datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java - About 25 mins 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

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

                    for(int j = 0; j < currInput.size(); j++) {
                List<String> record = currInput.get(j);
                List<Writable> recordAdd = new ArrayList<>();
                for(int k = 0; k < record.size(); k++) {
                    switch(schema.getType(k)) {
        Severity: Major
        Found in datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java and 1 other location - About 3 hrs to fix
        datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java on lines 200..216

        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 220.

        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

                for(int j = 0; j < stringInput.size(); j++) {
            List<String> record = stringInput.get(j);
            List<Writable> recordAdd = new ArrayList<>();
            for(int k = 0; k < record.size(); k++) {
                switch(schema.getType(k)) {
        Severity: Major
        Found in datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java and 1 other location - About 3 hrs to fix
        datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java on lines 272..288

        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 220.

        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

                    for(int j = 0; j < currInput.size(); j++) {
                List<Writable> record = currInput.get(j);
                List<String> recordAdd = new ArrayList<>();
                for(int k = 0; k < record.size(); k++) {
                    recordAdd.add(record.get(k).toString());
        Severity: Major
        Found in datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java and 1 other location - About 1 hr to fix
        datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java on lines 172..180

        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 86.

        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

                for(int j = 0; j < stringInput.size(); j++) {
            List<Writable> record = stringInput.get(j);
            List<String> recordAdd = new ArrayList<>();
            for(int k = 0; k < record.size(); k++) {
                recordAdd.add(record.get(k).toString());
        Severity: Major
        Found in datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java and 1 other location - About 1 hr to fix
        datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java on lines 240..248

        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 86.

        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 {
                    Function<List<List<Writable>>, List<List<Writable>>> function =
                            new LocalSequenceTransformFunction(t);
                    if (isTryCatch())
                        currentSequence = currentSequence.stream()
        Severity: Major
        Found in datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java and 1 other location - About 1 hr to fix
        datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java on lines 334..342

        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 80.

        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 (currentWritables != null) {
                    Function<List<Writable>, List<Writable>> function = new LocalTransformFunction(t);
                    if (isTryCatch())
                        currentWritables = currentWritables.stream()
                                .map(input -> function.apply(input)).filter(input -> new EmptyRecordFunction().apply(input)).collect(toList());
        Severity: Major
        Found in datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java and 1 other location - About 1 hr to fix
        datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java on lines 342..354

        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 80.

        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

                for (int i = 0; i < rightColumnNames.length; i++) {
            rightColumnIndexes[i] = join.getRightSchema().getIndexOfColumn(rightColumnNames[i]);
        }
        Severity: Minor
        Found in datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java and 1 other location - About 35 mins to fix
        datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java on lines 569..571

        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

                for (int i = 0; i < leftColumnNames.length; i++) {
            leftColumnIndexes[i] = join.getLeftSchema().getIndexOfColumn(leftColumnNames[i]);
        }
        Severity: Minor
        Found in datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java and 1 other location - About 35 mins to fix
        datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java on lines 580..582

        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

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

                List<Pair<List<Writable>, List<Writable>>> rightJV =
                right.stream().filter(input -> input.size() != rightColumnNames.length)
                        .map(input -> extractKeysFunction.apply(input))
                        .collect(toList());
        Severity: Minor
        Found in datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java and 1 other location - About 30 mins to fix
        datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java on lines 574..576

        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 42.

        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

                List<Pair<List<Writable>, List<Writable>>> leftJV = left.stream()
                .filter(input -> input.size() != leftColumnNames.length).map(input ->
                extractKeysFunction1.apply(input)).collect(toList());
        Severity: Minor
        Found in datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java and 1 other location - About 30 mins to fix
        datavec/datavec-local/src/main/java/org/datavec/local/transforms/LocalTransformExecutor.java on lines 585..588

        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 42.

        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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