net.bytebuddy.dynamic.scaffold.RecordComponentRegistry Maven / Gradle / Ivy
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Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC
/*
* Copyright 2014 - Present Rafael Winterhalter
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.bytebuddy.dynamic.scaffold;
import net.bytebuddy.build.HashCodeAndEqualsPlugin;
import net.bytebuddy.description.type.RecordComponentDescription;
import net.bytebuddy.description.type.TypeDescription;
import net.bytebuddy.dynamic.Transformer;
import net.bytebuddy.implementation.attribute.RecordComponentAttributeAppender;
import net.bytebuddy.matcher.ElementMatcher;
import net.bytebuddy.matcher.LatentMatcher;
import net.bytebuddy.utility.nullability.MaybeNull;
import java.util.*;
/**
* A record component registry represents an extendable collection of record components which are identified by their names that are mapped
* to a given {@link RecordComponentAttributeAppender}. Record components
* can be uniquely identified by their name for a given type since record components are never inherited.
*
* This registry is the counterpart of a {@link MethodRegistry}.
* However, a record component registry is implemented simpler since it does not have to deal with complex signatures or
* inheritance. For the sake of consistency, the record component registry follows however a similar pattern without introducing
* unnecessary complexity.
*/
public interface RecordComponentRegistry {
/**
* Prepends the given record component definition to this record component registry, i.e. this configuration is applied first.
*
* @param matcher The matcher to identify any record component that this definition concerns.
* @param recordComponentAttributeAppenderFactory The record component attribute appender factory to apply on any matched record component.
* @param transformer The record component transformer to apply to any matched record component.
* @return An adapted version of this method registry.
*/
RecordComponentRegistry prepend(LatentMatcher matcher,
RecordComponentAttributeAppender.Factory recordComponentAttributeAppenderFactory,
Transformer transformer);
/**
* Prepares the record component registry for a given instrumented type.
*
* @param instrumentedType The instrumented type.
* @return A prepared record component registry.
*/
Compiled compile(TypeDescription instrumentedType);
/**
* Represents a compiled record component registry.
*/
interface Compiled extends TypeWriter.RecordComponentPool {
/**
* A no-op record component registry that does not register annotations for any record component.
*/
enum NoOp implements Compiled {
/**
* The singleton instance.
*/
INSTANCE;
/**
* {@inheritDoc}
*/
public Record target(RecordComponentDescription recordComponentDescription) {
return new Record.ForImplicitRecordComponent(recordComponentDescription);
}
}
}
/**
* An immutable default implementation of a record component registry.
*/
@HashCodeAndEqualsPlugin.Enhance
class Default implements RecordComponentRegistry {
/**
* This registries entries.
*/
private final List entries;
/**
* Creates a new empty default record component registry.
*/
public Default() {
this(Collections.emptyList());
}
/**
* Creates a new default record component registry.
*
* @param entries The entries of the record component registry.
*/
private Default(List entries) {
this.entries = entries;
}
/**
* {@inheritDoc}
*/
public RecordComponentRegistry prepend(LatentMatcher matcher,
RecordComponentAttributeAppender.Factory recordComponentAttributeAppenderFactory,
Transformer transformer) {
List entries = new ArrayList(this.entries.size() + 1);
entries.add(new Entry(matcher, recordComponentAttributeAppenderFactory, transformer));
entries.addAll(this.entries);
return new Default(entries);
}
/**
* {@inheritDoc}
*/
public RecordComponentRegistry.Compiled compile(TypeDescription instrumentedType) {
List entries = new ArrayList(this.entries.size());
Map recordComponentAttributeAppenders = new HashMap();
for (Entry entry : this.entries) {
RecordComponentAttributeAppender recordComponentAttributeAppender = recordComponentAttributeAppenders.get(entry.getRecordComponentAttributeAppender());
if (recordComponentAttributeAppender == null) {
recordComponentAttributeAppender = entry.getRecordComponentAttributeAppender().make(instrumentedType);
recordComponentAttributeAppenders.put(entry.getRecordComponentAttributeAppender(), recordComponentAttributeAppender);
}
entries.add(new Compiled.Entry(entry.resolve(instrumentedType), recordComponentAttributeAppender, entry.getTransformer()));
}
return new Compiled(instrumentedType, entries);
}
/**
* An entry of the default record component registry.
*/
@HashCodeAndEqualsPlugin.Enhance
protected static class Entry implements LatentMatcher {
/**
* The matcher to identify any record component that this definition concerns.
*/
private final LatentMatcher matcher;
/**
* The record component attribute appender factory to apply on any matched record component.
*/
private final RecordComponentAttributeAppender.Factory recordComponentAttributeAppender;
/**
* The record component transformer to apply to any matched record component.
*/
private final Transformer transformer;
/**
* Creates a new entry.
*
* @param matcher The matcher to identify any record component that this definition concerns.
* @param recordComponentAttributeAppender The record component attribute appender factory to apply on any matched record component.
* @param transformer The record component transformer to apply to any matched record component.
*/
protected Entry(LatentMatcher matcher,
RecordComponentAttributeAppender.Factory recordComponentAttributeAppender,
Transformer transformer) {
this.matcher = matcher;
this.recordComponentAttributeAppender = recordComponentAttributeAppender;
this.transformer = transformer;
}
/**
* Returns the record component attribute appender factory to apply on any matched record component.
*
* @return The record component attribute appender factory to apply on any matched record component.
*/
protected RecordComponentAttributeAppender.Factory getRecordComponentAttributeAppender() {
return recordComponentAttributeAppender;
}
/**
* Returns the record component transformer to apply to any matched record component.
*
* @return The record component transformer to apply to any matched record component.
*/
protected Transformer getTransformer() {
return transformer;
}
/**
* {@inheritDoc}
*/
public ElementMatcher resolve(TypeDescription typeDescription) {
return matcher.resolve(typeDescription);
}
}
/**
* A compiled default record component registry.
*/
@HashCodeAndEqualsPlugin.Enhance
protected static class Compiled implements RecordComponentRegistry.Compiled {
/**
* The instrumented type for which this registry was compiled for.
*/
private final TypeDescription instrumentedType;
/**
* The entries of this compiled record component registry.
*/
private final List entries;
/**
* Creates a new compiled record component registry.
*
* @param instrumentedType The instrumented type for which this registry was compiled for.
* @param entries The entries of this compiled record component registry.
*/
protected Compiled(TypeDescription instrumentedType, List entries) {
this.instrumentedType = instrumentedType;
this.entries = entries;
}
/**
* {@inheritDoc}
*/
public Record target(RecordComponentDescription recordComponentDescription) {
for (Entry entry : entries) {
if (entry.matches(recordComponentDescription)) {
return entry.bind(instrumentedType, recordComponentDescription);
}
}
return new Record.ForImplicitRecordComponent(recordComponentDescription);
}
/**
* An entry of a compiled record component registry.
*/
@HashCodeAndEqualsPlugin.Enhance
protected static class Entry implements ElementMatcher {
/**
* The matcher to identify any record component that this definition concerns.
*/
private final ElementMatcher matcher;
/**
* The record component attribute appender to apply on any matched record component.
*/
private final RecordComponentAttributeAppender recordComponentAttributeAppender;
/**
* The record component transformer to apply to any matched record component.
*/
private final Transformer transformer;
/**
* Creates a new entry.
*
* @param matcher The matcher to identify any record component that this definition concerns.
* @param recordComponentAttributeAppender The record component attribute appender to apply on any matched record component.
* @param transformer The record component transformer to apply to any matched record component.
*/
protected Entry(ElementMatcher matcher,
RecordComponentAttributeAppender recordComponentAttributeAppender,
Transformer transformer) {
this.matcher = matcher;
this.recordComponentAttributeAppender = recordComponentAttributeAppender;
this.transformer = transformer;
}
/**
* Binds this entry to the provided record component description.
*
* @param instrumentedType The instrumented type for which this entry applies.
* @param recordComponentDescription The record component description to be bound to this entry.
* @return A record representing the binding of this entry to the provided record component.
*/
protected Record bind(TypeDescription instrumentedType, RecordComponentDescription recordComponentDescription) {
return new Record.ForExplicitRecordComponent(recordComponentAttributeAppender, transformer.transform(instrumentedType, recordComponentDescription));
}
/**
* {@inheritDoc}
*/
public boolean matches(@MaybeNull RecordComponentDescription target) {
return matcher.matches(target);
}
}
}
}
}
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