FunctionBuilder.java

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package pro.verron.officestamper.core.functions;
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import pro.verron.officestamper.api.CustomFunction;
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import pro.verron.officestamper.core.DocxStamperConfiguration;
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import java.util.List;
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import java.util.function.Function;
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/// A builder class for creating and registering custom functions in the context of a `DocxStamperConfiguration`.
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/// The custom functions are defined by a name, a single input parameter type, and their implementation.
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///
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/// @param <T> the type of the input to the function
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public class FunctionBuilder<T>
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        implements CustomFunction.NeedsFunctionImpl<T> {
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    private final DocxStamperConfiguration source;
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    private final String name;
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    private final Class<T> class0;
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    /// Constructs a new `FunctionBuilder` to define and register a custom function in the provided
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    /// `DocxStamperConfiguration`.
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    ///
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    /// @param source the `DocxStamperConfiguration` instance in which the custom function will be registered
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    /// @param name   the name of the custom function to be defined
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    /// @param class0 the `Class` object representing the type of the single input parameter for the custom function
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    public FunctionBuilder(DocxStamperConfiguration source, String name, Class<T> class0) {
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        this.source = source;
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        this.name = name;
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        this.class0 = class0;
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    }
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    /// Sets the implementation for the custom function being built.
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    /// The implementation defines the behavior of the function for a specific input type and is wrapped in a
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    /// `CustomFunction` instance that is added to the configuration.
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    ///
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    /// @param implementation a `Function` that takes an input of type `T` and produces a result
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    @Override
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    public void withImplementation(Function<T, ?> implementation) {
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        Function<List<Object>, Object> objectFunction = args -> {
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            var arg0 = class0.cast(args.getFirst());
40 1 1. lambda$withImplementation$0 : replaced return value with null for pro/verron/officestamper/core/functions/FunctionBuilder::lambda$withImplementation$0 → KILLED
 
            return implementation.apply(arg0);
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        };
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        var customFunction = new CustomFunction(name, List.of(class0), objectFunction);
43 1 1. withImplementation : removed call to pro/verron/officestamper/core/DocxStamperConfiguration::addCustomFunction → KILLED
 
        source.addCustomFunction(customFunction);
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    }
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}

Mutations

40

1.1
Location : lambda$withImplementation$0
Killed by : pro.verron.officestamper.test.CustomFunctionTests.[engine:junit-jupiter]/[class:pro.verron.officestamper.test.CustomFunctionTests]/[test-template:functions(pro.verron.officestamper.test.ContextFactory)]/[test-template-invocation:#1] replaced return value with null for pro/verron/officestamper/core/functions/FunctionBuilder::lambda$withImplementation$0 → KILLED

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1.1
Location : withImplementation
Killed by : pro.verron.officestamper.test.CustomFunctionTests.[engine:junit-jupiter]/[class:pro.verron.officestamper.test.CustomFunctionTests]/[test-template:functions(pro.verron.officestamper.test.ContextFactory)]/[test-template-invocation:#1] removed call to pro/verron/officestamper/core/DocxStamperConfiguration::addCustomFunction → KILLED

Active mutators

Tests examined


Report generated by PIT 1.21.0