| 1 | package com.github.dakusui.osynth.core; | |
| 2 | ||
| 3 | import com.github.dakusui.osynth.annotations.BuiltInHandlerFactory; | |
| 4 | import com.github.dakusui.osynth.annotations.ReservedByOSynth; | |
| 5 | import com.github.dakusui.osynth.core.utils.AssertionUtils; | |
| 6 | ||
| 7 | import java.lang.annotation.Annotation; | |
| 8 | import java.lang.reflect.Method; | |
| 9 | import java.util.*; | |
| 10 | ||
| 11 | import static com.github.dakusui.osynth.core.AbstractObjectSynthesizer.DEFAULT_FALLBACK_OBJECT; | |
| 12 | import static com.github.dakusui.osynth.core.MethodHandlerDecorator.chainMethodHandlerDecorators; | |
| 13 | import static com.github.dakusui.osynth.core.SynthesizedObject.InternalUtils.builtIndMethodSignatures; | |
| 14 | import static com.github.dakusui.osynth.core.SynthesizedObject.InternalUtils.reservedMethodSignatures; | |
| 15 | import static com.github.dakusui.osynth.core.utils.MessageUtils.messageForAttemptToCastToUnavailableInterface; | |
| 16 | import static com.github.dakusui.pcond.forms.Predicates.*; | |
| 17 | import static com.github.dakusui.valid8j.Requires.require; | |
| 18 | import static java.lang.String.format; | |
| 19 | import static java.util.Collections.unmodifiableList; | |
| 20 | import static java.util.stream.Collectors.toList; | |
| 21 | import static java.util.stream.Collectors.toSet; | |
| 22 | ||
| 23 | public interface SynthesizedObject { | |
| 24 | Set<Method> RESERVED_METHODS = reservedMethodSignatures(); | |
| 25 | Set<Method> BUILT_IN_METHODS = builtIndMethodSignatures(); | |
| 26 | ||
| 27 | @BuiltInHandlerFactory(BuiltInHandlerFactory.ForDescriptor.class) | |
| 28 | @ReservedByOSynth | |
| 29 | Descriptor descriptor(); | |
| 30 | ||
| 31 | @ReservedByOSynth | |
| 32 | default <T> T castTo(Class<T> classInUse) { | |
| 33 | require(classInUse, and( | |
| 34 | isNotNull(), | |
| 35 | or(AssertionUtils.classIsInterface(), isEqualTo(Object.class)))); | |
| 36 |
1
1. castTo : replaced return value with null for com/github/dakusui/osynth/core/SynthesizedObject::castTo → KILLED |
return descriptor().interfaces().stream() |
| 37 | .filter(classInUse::isAssignableFrom) | |
| 38 | .findFirst() | |
| 39 |
1
1. lambda$castTo$0 : replaced return value with null for com/github/dakusui/osynth/core/SynthesizedObject::lambda$castTo$0 → KILLED |
.map(each -> classInUse.cast(this)) |
| 40 |
1
1. lambda$castTo$1 : replaced return value with null for com/github/dakusui/osynth/core/SynthesizedObject::lambda$castTo$1 → KILLED |
.orElseThrow(() -> new ClassCastException(messageForAttemptToCastToUnavailableInterface(classInUse, descriptor().interfaces()))); |
| 41 | } | |
| 42 | ||
| 43 | @BuiltInHandlerFactory(BuiltInHandlerFactory.ForEquals.class) | |
| 44 | @Override | |
| 45 | boolean equals(Object object); | |
| 46 | ||
| 47 | @BuiltInHandlerFactory(BuiltInHandlerFactory.ForHashCode.class) | |
| 48 | @Override | |
| 49 | int hashCode(); | |
| 50 | ||
| 51 | @BuiltInHandlerFactory(BuiltInHandlerFactory.ForToString.class) | |
| 52 | @Override | |
| 53 | String toString(); | |
| 54 | ||
| 55 | enum InternalUtils { | |
| 56 | ; | |
| 57 | ||
| 58 | static Set<Method> reservedMethodSignatures() { | |
| 59 |
1
1. reservedMethodSignatures : replaced return value with Collections.emptySet for com/github/dakusui/osynth/core/SynthesizedObject$InternalUtils::reservedMethodSignatures → SURVIVED |
return methodsAnnotatedBy(ReservedByOSynth.class); |
| 60 | } | |
| 61 | ||
| 62 | static Set<Method> builtIndMethodSignatures() { | |
| 63 |
1
1. builtIndMethodSignatures : replaced return value with Collections.emptySet for com/github/dakusui/osynth/core/SynthesizedObject$InternalUtils::builtIndMethodSignatures → SURVIVED |
return methodsAnnotatedBy(BuiltInHandlerFactory.class); |
| 64 | } | |
| 65 | ||
| 66 | private static Set<Method> methodsAnnotatedBy(Class<? extends Annotation> annotationClass) { | |
| 67 |
1
1. methodsAnnotatedBy : replaced return value with Collections.emptySet for com/github/dakusui/osynth/core/SynthesizedObject$InternalUtils::methodsAnnotatedBy → SURVIVED |
return Arrays.stream(SynthesizedObject.class.getMethods()) |
| 68 |
2
1. lambda$methodsAnnotatedBy$0 : replaced boolean return with false for com/github/dakusui/osynth/core/SynthesizedObject$InternalUtils::lambda$methodsAnnotatedBy$0 → SURVIVED 2. lambda$methodsAnnotatedBy$0 : replaced boolean return with true for com/github/dakusui/osynth/core/SynthesizedObject$InternalUtils::lambda$methodsAnnotatedBy$0 → SURVIVED |
.filter(each -> each.isAnnotationPresent(annotationClass)) |
| 69 | .collect(toSet()); | |
| 70 | } | |
| 71 | } | |
| 72 | ||
| 73 | /** | |
| 74 | * A class to describe attributes of a synthesized object. | |
| 75 | */ | |
| 76 | final class Descriptor { | |
| 77 | final List<MethodHandlerEntry> methodHandlers; | |
| 78 | final List<Class<?>> interfaces; | |
| 79 | final MethodHandlerDecorator methodHandlerDecorator; | |
| 80 | final Object fallbackObject; | |
| 81 | ||
| 82 | public Descriptor( | |
| 83 | List<Class<?>> interfaces, | |
| 84 | List<MethodHandlerEntry> methodHandlers, | |
| 85 | MethodHandlerDecorator methodHandlerDecorator, | |
| 86 | Object fallbackObject) { | |
| 87 | // Not using pcond library to avoid unintentional `toString` call back on failure. | |
| 88 | this.methodHandlers = new LinkedList<>(Objects.requireNonNull(unmodifiableList(methodHandlers))); | |
| 89 | this.interfaces = new LinkedList<>(Objects.requireNonNull(interfaces)); | |
| 90 | this.fallbackObject = Objects.requireNonNull(fallbackObject); | |
| 91 | this.methodHandlerDecorator = Objects.requireNonNull(methodHandlerDecorator); | |
| 92 | } | |
| 93 | ||
| 94 | public static List<MethodHandlerEntry> nonBuiltInMethodHandlerEntriesOf(Descriptor b) { | |
| 95 |
3
1. lambda$nonBuiltInMethodHandlerEntriesOf$0 : negated conditional → KILLED 2. lambda$nonBuiltInMethodHandlerEntriesOf$0 : replaced boolean return with true for com/github/dakusui/osynth/core/SynthesizedObject$Descriptor::lambda$nonBuiltInMethodHandlerEntriesOf$0 → KILLED 3. nonBuiltInMethodHandlerEntriesOf : replaced return value with Collections.emptyList for com/github/dakusui/osynth/core/SynthesizedObject$Descriptor::nonBuiltInMethodHandlerEntriesOf → KILLED |
return b.methodHandlerEntries().stream().filter(methodHandlerEntry -> !methodHandlerEntry.isBuiltIn()).collect(toList()); |
| 96 | } | |
| 97 | ||
| 98 | /** | |
| 99 | * Returns a new descriptor merging two descriptors. | |
| 100 | * The merge happens in a manner, where "a overrides b". | |
| 101 | * | |
| 102 | * @param a A descriptor to merge. | |
| 103 | * @param b Another descriptor to merge. | |
| 104 | * @return A merged new descriptor object. | |
| 105 | */ | |
| 106 | public static Descriptor merge(Descriptor a, Descriptor b) { | |
| 107 | Builder builder = a.toBuilder(); | |
| 108 |
1
1. merge : negated conditional → KILLED |
if (a.fallbackObject() == DEFAULT_FALLBACK_OBJECT) |
| 109 | builder.fallbackObject(b.fallbackObject()); | |
| 110 |
1
1. merge : removed call to java/util/List::forEach → SURVIVED |
nonBuiltInMethodHandlerEntriesOf(b).forEach(builder::addMethodHandler); |
| 111 |
1
1. merge : removed call to java/util/List::forEach → KILLED |
b.interfaces().forEach(builder::addInterface); |
| 112 | builder.methodHandlerDecorator(chainMethodHandlerDecorators(a.methodHandlerDecorator(), b.methodHandlerDecorator())); | |
| 113 |
1
1. merge : replaced return value with null for com/github/dakusui/osynth/core/SynthesizedObject$Descriptor::merge → KILLED |
return builder.build(); |
| 114 | } | |
| 115 | ||
| 116 | public List<Class<?>> interfaces() { | |
| 117 |
1
1. interfaces : replaced return value with Collections.emptyList for com/github/dakusui/osynth/core/SynthesizedObject$Descriptor::interfaces → KILLED |
return unmodifiableList(this.interfaces); |
| 118 | } | |
| 119 | ||
| 120 | public MethodHandlerDecorator methodHandlerDecorator() { | |
| 121 |
1
1. methodHandlerDecorator : replaced return value with null for com/github/dakusui/osynth/core/SynthesizedObject$Descriptor::methodHandlerDecorator → KILLED |
return this.methodHandlerDecorator; |
| 122 | } | |
| 123 | ||
| 124 | public Object fallbackObject() { | |
| 125 |
1
1. fallbackObject : replaced return value with null for com/github/dakusui/osynth/core/SynthesizedObject$Descriptor::fallbackObject → KILLED |
return this.fallbackObject; |
| 126 | } | |
| 127 | ||
| 128 | public List<MethodHandlerEntry> methodHandlerEntries() { | |
| 129 |
1
1. methodHandlerEntries : replaced return value with Collections.emptyList for com/github/dakusui/osynth/core/SynthesizedObject$Descriptor::methodHandlerEntries → KILLED |
return this.methodHandlers; |
| 130 | } | |
| 131 | ||
| 132 | @Override | |
| 133 | public int hashCode() { | |
| 134 |
1
1. hashCode : replaced int return with 0 for com/github/dakusui/osynth/core/SynthesizedObject$Descriptor::hashCode → SURVIVED |
return this.fallbackObject.hashCode(); |
| 135 | } | |
| 136 | ||
| 137 | @Override | |
| 138 | public boolean equals(Object anotherObject) { | |
| 139 |
1
1. equals : negated conditional → KILLED |
if (this == anotherObject) |
| 140 |
1
1. equals : replaced boolean return with false for com/github/dakusui/osynth/core/SynthesizedObject$Descriptor::equals → KILLED |
return true; |
| 141 |
1
1. equals : negated conditional → KILLED |
if (!(anotherObject instanceof Descriptor)) { |
| 142 |
1
1. equals : replaced boolean return with true for com/github/dakusui/osynth/core/SynthesizedObject$Descriptor::equals → KILLED |
return false; |
| 143 | } | |
| 144 | Descriptor another = (Descriptor) anotherObject; | |
| 145 | Set<MethodHandlerEntry> methodHandlerSet = new HashSet<>(nonBuiltInMethodHandlerEntriesOf(this)); | |
| 146 | Set<MethodHandlerEntry> methodHandlerSetFromAnother = new HashSet<>(nonBuiltInMethodHandlerEntriesOf(another)); | |
| 147 |
2
1. equals : negated conditional → KILLED 2. equals : replaced boolean return with true for com/github/dakusui/osynth/core/SynthesizedObject$Descriptor::equals → KILLED |
return Objects.equals(fallbackObject, another.fallbackObject) && |
| 148 |
1
1. equals : negated conditional → KILLED |
Objects.equals(methodHandlerDecorator, another.methodHandlerDecorator) && |
| 149 |
1
1. equals : negated conditional → KILLED |
Objects.equals(interfaces, another.interfaces) && |
| 150 |
1
1. equals : negated conditional → KILLED |
Objects.equals(methodHandlerSet, methodHandlerSetFromAnother); |
| 151 | } | |
| 152 | ||
| 153 | @Override | |
| 154 | public String toString() { | |
| 155 |
1
1. toString : replaced return value with "" for com/github/dakusui/osynth/core/SynthesizedObject$Descriptor::toString → KILLED |
return format("{methodHandlers=%s,interfaces=%s,fallback:%s}", |
| 156 | nonBuiltInMethodHandlerEntriesOf(this), | |
| 157 | this.interfaces(), | |
| 158 | this.fallbackObject()); | |
| 159 | } | |
| 160 | ||
| 161 | public Descriptor.Builder toBuilder() { | |
| 162 |
1
1. toBuilder : replaced return value with null for com/github/dakusui/osynth/core/SynthesizedObject$Descriptor::toBuilder → KILLED |
return new Descriptor.Builder() { |
| 163 | { | |
| 164 |
1
1. <init> : removed call to java/util/List::forEach → SURVIVED |
Descriptor.this.interfaces().forEach(this::addInterface); |
| 165 | this.fallbackObject = Descriptor.this.fallbackObject; | |
| 166 | this.methodHandlerDecorator = Descriptor.this.methodHandlerDecorator(); | |
| 167 | this.methodHandlers.addAll(nonBuiltInMethodHandlerEntriesOf(this.build())); | |
| 168 | } | |
| 169 | }.fallbackObject(this.fallbackObject()); | |
| 170 | } | |
| 171 | ||
| 172 | public static class Builder { | |
| 173 | final List<Class<?>> interfaces; | |
| 174 | final List<MethodHandlerEntry> methodHandlers; | |
| 175 | MethodHandlerDecorator methodHandlerDecorator; | |
| 176 | Object fallbackObject; | |
| 177 | ||
| 178 | public Builder() { | |
| 179 | interfaces = new LinkedList<>(); | |
| 180 | methodHandlers = new LinkedList<>(); | |
| 181 | } | |
| 182 | ||
| 183 | public Builder(Descriptor descriptor) { | |
| 184 | this(); | |
| 185 | this.interfaces.addAll(descriptor.interfaces()); | |
| 186 | this.methodHandlers.addAll(descriptor.methodHandlerEntries()); | |
| 187 | this.methodHandlerDecorator = descriptor.methodHandlerDecorator(); | |
| 188 | this.fallbackObject = descriptor.fallbackObject(); | |
| 189 | } | |
| 190 | ||
| 191 | public Builder fallbackObject(Object fallbackObject) { | |
| 192 | this.fallbackObject = fallbackObject; | |
| 193 |
1
1. fallbackObject : replaced return value with null for com/github/dakusui/osynth/core/SynthesizedObject$Descriptor$Builder::fallbackObject → KILLED |
return this; |
| 194 | } | |
| 195 | ||
| 196 | public Builder addInterface(Class<?> interfaceClass) { | |
| 197 | this.interfaces.add(interfaceClass); | |
| 198 |
1
1. addInterface : replaced return value with null for com/github/dakusui/osynth/core/SynthesizedObject$Descriptor$Builder::addInterface → SURVIVED |
return this; |
| 199 | } | |
| 200 | ||
| 201 | public Builder methodHandlerDecorator(MethodHandlerDecorator methodHandlerDecorator) { | |
| 202 | this.methodHandlerDecorator = methodHandlerDecorator; | |
| 203 |
1
1. methodHandlerDecorator : replaced return value with null for com/github/dakusui/osynth/core/SynthesizedObject$Descriptor$Builder::methodHandlerDecorator → KILLED |
return this; |
| 204 | } | |
| 205 | ||
| 206 | public void addMethodHandler(MethodHandlerEntry methodHandlerEntry) { | |
| 207 | this.methodHandlers.add(methodHandlerEntry); | |
| 208 | } | |
| 209 | ||
| 210 | ||
| 211 | public List<Class<?>> interfaces() { | |
| 212 |
1
1. interfaces : replaced return value with Collections.emptyList for com/github/dakusui/osynth/core/SynthesizedObject$Descriptor$Builder::interfaces → KILLED |
return unmodifiableList(this.interfaces); |
| 213 | } | |
| 214 | ||
| 215 | public MethodHandlerDecorator methodHandlerDecorator() { | |
| 216 |
1
1. methodHandlerDecorator : replaced return value with null for com/github/dakusui/osynth/core/SynthesizedObject$Descriptor$Builder::methodHandlerDecorator → KILLED |
return this.methodHandlerDecorator; |
| 217 | } | |
| 218 | ||
| 219 | public Descriptor build() { | |
| 220 |
1
1. build : replaced return value with null for com/github/dakusui/osynth/core/SynthesizedObject$Descriptor$Builder::build → KILLED |
return new Descriptor(this.interfaces, this.methodHandlers, this.methodHandlerDecorator, this.fallbackObject); |
| 221 | } | |
| 222 | } | |
| 223 | } | |
| 224 | } | |
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