BiFunctionBuilder.java

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package pro.verron.officestamper.core.functions;
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import org.jetbrains.annotations.Contract;
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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.BiFunction;
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import java.util.function.Function;
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/// A builder class for creating and registering bi-functional implementations with a given configuration.
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/// This class is responsible for bridging a BiFunction implementation into a custom function that
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/// can be utilized within the provided configuration context.
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///
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/// @param <T> the type of the first input parameter for the BiFunction
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/// @param <U> the type of the second input parameter for the BiFunction
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public class BiFunctionBuilder<T, U>
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        implements CustomFunction.NeedsBiFunctionImpl<T, U> {
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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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    private final Class<U> class1;
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    /// Constructs a new `BiFunctionBuilder` instance, which enables the creation and registration
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    /// of a bi-functional implementation with the specified source configuration.
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    ///
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    /// @param source the configuration instance where the custom function will be registered
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    /// @param name   the name given to the bi-functional custom function to identify it
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    /// @param class0 the `Class` type that represents the type of the first input parameter
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    /// @param class1 the `Class` type that represents the type of the second input parameter
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    @Contract(pure = true)
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    public BiFunctionBuilder(DocxStamperConfiguration source, String name, Class<T> class0, Class<U> class1) {
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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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        this.class1 = class1;
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    }
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    /// Registers a BiFunction implementation as a custom function within the current context.
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    /// The provided implementation is converted into a generic custom function that accepts
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    /// a list of arguments and produces a result.
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    /// This method enables the addition of a bi-functional logic to the associated configuration, which can be
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    /// invoked later with the defined parameter and behavior.
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    ///
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    /// @param implementation the BiFunction implementation to register, taking two input arguments
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    ///                                                                   of types `T` and `U`, and producing a result
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    @Override
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    public void withImplementation(BiFunction<T, U, ?> implementation) {
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        Function<List<Object>, Object> function = args -> {
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            var arg0 = class0.cast(args.getFirst());
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            var arg1 = class1.cast(args.get(1));
52 1 1. lambda$withImplementation$0 : replaced return value with null for pro/verron/officestamper/core/functions/BiFunctionBuilder::lambda$withImplementation$0 → KILLED
 
            return implementation.apply(arg0, arg1);
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        };
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        var customFunction = new CustomFunction(name, List.of(class0, class1), function);
55 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

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1.1
Location : lambda$withImplementation$0
Killed by : pro.verron.officestamper.test.CustomFunctionTests.[engine:junit-jupiter]/[class:pro.verron.officestamper.test.CustomFunctionTests]/[test-template:bifunctions(pro.verron.officestamper.test.ContextFactory)]/[test-template-invocation:#2] replaced return value with null for pro/verron/officestamper/core/functions/BiFunctionBuilder::lambda$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:bifunctions(pro.verron.officestamper.test.ContextFactory)]/[test-template-invocation:#2] removed call to pro/verron/officestamper/core/DocxStamperConfiguration::addCustomFunction → KILLED

Active mutators

Tests examined


Report generated by PIT 1.21.0