MultiFunctionUtils.java

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package com.github.dakusui.pcond.experimentals.currying.multi;
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import com.github.dakusui.pcond.core.printable.PrintableFunctionFactory;
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import com.github.dakusui.pcond.internals.InternalUtils;
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import java.lang.reflect.Method;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import static java.util.Arrays.asList;
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import static java.util.stream.Collectors.toList;
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/**
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 * A utility class that collects helper methods for the multi-parameters function.
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 */
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public enum MultiFunctionUtils {
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  ;
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  private static final ThreadLocal<Map<List<Object>, MultiFunction<?>>> METHOD_BASED_FUNCTION_POOL = new ThreadLocal<>();
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  @SuppressWarnings("unchecked")
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  public static <R> MultiFunction<R> multifunction(int[] order, Class<?> aClass, String methodName, Class<?>... parameterTypes) {
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    Map<List<Object>, MultiFunction<?>> methodBasedMultiParameterFunctionPool = methodBasedMultiParameterFunctionPool();
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    List<Object> multiParamFuncDef = composeFuncDef(order, aClass, methodName, parameterTypes);
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    methodBasedMultiParameterFunctionPool.computeIfAbsent(
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        multiParamFuncDef,
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        MultiFunctionUtils::createMultiParameterFunctionForStaticMethod);
29 1 1. multifunction : replaced return value with null for com/github/dakusui/pcond/experimentals/currying/multi/MultiFunctionUtils::multifunction → KILLED
 
    return (MultiFunction<R>) methodBasedMultiParameterFunctionPool.get(multiParamFuncDef);
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  }
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  private static List<Object> composeFuncDef(int[] order, Class<?> aClass, String methodName, Class<?>[] parameterTypes) {
33 1 1. composeFuncDef : replaced return value with Collections.emptyList for com/github/dakusui/pcond/experimentals/currying/multi/MultiFunctionUtils::composeFuncDef → KILLED
 
    return asList(InternalUtils.getMethod(aClass, methodName, parameterTypes), Arrays.stream(order).boxed().collect(toList()));
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  }
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  private static <R> MultiFunction<R> createMultiParameterFunctionForStaticMethod(List<Object> multiParamFuncDef) {
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    final Method method = (Method) multiParamFuncDef.get(0);
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    @SuppressWarnings("unchecked") final List<Integer> paramOrder = (List<Integer>) multiParamFuncDef.get(1);
39 1 1. createMultiParameterFunctionForStaticMethod : replaced return value with null for com/github/dakusui/pcond/experimentals/currying/multi/MultiFunctionUtils::createMultiParameterFunctionForStaticMethod → KILLED
 
    return PrintableFunctionFactory.multifunction(method, paramOrder);
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  }
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  private static Map<List<Object>, MultiFunction<?>> methodBasedMultiParameterFunctionPool() {
43 1 1. methodBasedMultiParameterFunctionPool : negated conditional → KILLED
 
    if (METHOD_BASED_FUNCTION_POOL.get() == null)
44 1 1. methodBasedMultiParameterFunctionPool : removed call to java/lang/ThreadLocal::set → SURVIVED
 
      METHOD_BASED_FUNCTION_POOL.set(new HashMap<>());
45 1 1. methodBasedMultiParameterFunctionPool : replaced return value with Collections.emptyMap for com/github/dakusui/pcond/experimentals/currying/multi/MultiFunctionUtils::methodBasedMultiParameterFunctionPool → KILLED
 
    return METHOD_BASED_FUNCTION_POOL.get();
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  }
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}

Mutations

29

1.1
Location : multifunction
Killed by : com.github.dakusui.pcond.ut.FunctionsTest$MultiFunctionTest.testEqualsWithIdenticalObjects(com.github.dakusui.pcond.ut.FunctionsTest$MultiFunctionTest) replaced return value with null for com/github/dakusui/pcond/experimentals/currying/multi/MultiFunctionUtils::multifunction → KILLED
33

1.1
Location : composeFuncDef
Killed by : com.github.dakusui.pcond.ut.FunctionsTest$MultiFunctionTest.testEqualsWithIdenticalObjects(com.github.dakusui.pcond.ut.FunctionsTest$MultiFunctionTest) replaced return value with Collections.emptyList for com/github/dakusui/pcond/experimentals/currying/multi/MultiFunctionUtils::composeFuncDef → KILLED
39

1.1
Location : createMultiParameterFunctionForStaticMethod
Killed by : com.github.dakusui.pcond.ut.FunctionsTest$MultiFunctionTest.testEqualsWithDifferentObjects(com.github.dakusui.pcond.ut.FunctionsTest$MultiFunctionTest) replaced return value with null for com/github/dakusui/pcond/experimentals/currying/multi/MultiFunctionUtils::createMultiParameterFunctionForStaticMethod → KILLED
43

1.1
Location : methodBasedMultiParameterFunctionPool
Killed by : com.github.dakusui.pcond.ut.FunctionsTest$MultiFunctionTest.testEqualsWithIdenticalObjects(com.github.dakusui.pcond.ut.FunctionsTest$MultiFunctionTest) negated conditional → KILLED
44

1.1
Location : methodBasedMultiParameterFunctionPool
Killed by : none removed call to java/lang/ThreadLocal::set → SURVIVED
45

1.1
Location : methodBasedMultiParameterFunctionPool
Killed by : com.github.dakusui.pcond.ut.FunctionsTest$MultiFunctionTest.testEqualsWithIdenticalObjects(com.github.dakusui.pcond.ut.FunctionsTest$MultiFunctionTest) replaced return value with Collections.emptyMap for com/github/dakusui/pcond/experimentals/currying/multi/MultiFunctionUtils::methodBasedMultiParameterFunctionPool → KILLED

Active mutators

Tests examined


Report generated by PIT 1.7.3