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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.implementation;
import net.bytebuddy.description.method.MethodDescription;
import net.bytebuddy.dynamic.scaffold.InstrumentedType;
import net.bytebuddy.implementation.bytecode.ByteCodeAppender;
import net.bytebuddy.implementation.bytecode.StackManipulation;
import net.bytebuddy.implementation.bytecode.constant.DefaultValue;
import net.bytebuddy.implementation.bytecode.member.MethodReturn;
import net.bytebuddy.jar.asm.MethodVisitor;
/**
* This implementation creates a method stub which does nothing but returning the default value of the return
* type of the method. These default values are:
*
* - The value {@code 0} for all numeric type.
* - The null character for the {@code char} type.
* - {@code false} for the {@code boolean} type.
* - Nothing for {@code void} types.
* - A {@code null} reference for any reference types. Note that this includes primitive wrapper types.
*
*/
public enum StubMethod implements Implementation.Composable, ByteCodeAppender {
/**
* The singleton instance.
*/
INSTANCE;
/**
* {@inheritDoc}
*/
public InstrumentedType prepare(InstrumentedType instrumentedType) {
return instrumentedType;
}
/**
* {@inheritDoc}
*/
public ByteCodeAppender appender(Target implementationTarget) {
return this;
}
/**
* {@inheritDoc}
*/
public Implementation andThen(Implementation implementation) {
return implementation;
}
/**
* {@inheritDoc}
*/
public Composable andThen(Composable implementation) {
return implementation;
}
/**
* {@inheritDoc}
*/
public Size apply(MethodVisitor methodVisitor,
Context implementationContext,
MethodDescription instrumentedMethod) {
StackManipulation.Size stackSize = new StackManipulation.Compound(
DefaultValue.of(instrumentedMethod.getReturnType()),
MethodReturn.of(instrumentedMethod.getReturnType())
).apply(methodVisitor, implementationContext);
return new Size(stackSize.getMaximalSize(), instrumentedMethod.getStackSize());
}
}
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