spring SimpleMethodMetadata 源码
spring SimpleMethodMetadata 代码
文件路径：/spring-core/src/main/java/org/springframework/core/type/classreading/SimpleMethodMetadata.java
/*
* Copyright 2002-2021 the original author or authors.
*
* 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
*
* https://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 org.springframework.core.type.classreading;
import org.springframework.asm.Opcodes;
import org.springframework.core.annotation.MergedAnnotations;
import org.springframework.core.type.MethodMetadata;
import org.springframework.lang.Nullable;
/**
* {@link MethodMetadata} created from a {@link SimpleMethodMetadataReadingVisitor}.
*
* @author Phillip Webb
* @author Sam Brannen
* @since 5.2
*/
final class SimpleMethodMetadata implements MethodMetadata {
private final String methodName;
private final int access;
private final String declaringClassName;
private final String returnTypeName;
// The source implements equals(), hashCode(), and toString() for the underlying method.
private final Object source;
private final MergedAnnotations annotations;
SimpleMethodMetadata(String methodName, int access, String declaringClassName,
String returnTypeName, Object source, MergedAnnotations annotations) {
this.methodName = methodName;
this.access = access;
this.declaringClassName = declaringClassName;
this.returnTypeName = returnTypeName;
this.source = source;
this.annotations = annotations;
}
@Override
public String getMethodName() {
return this.methodName;
}
@Override
public String getDeclaringClassName() {
return this.declaringClassName;
}
@Override
public String getReturnTypeName() {
return this.returnTypeName;
}
@Override
public boolean isAbstract() {
return (this.access & Opcodes.ACC_ABSTRACT) != 0;
}
@Override
public boolean isStatic() {
return (this.access & Opcodes.ACC_STATIC) != 0;
}
@Override
public boolean isFinal() {
return (this.access & Opcodes.ACC_FINAL) != 0;
}
@Override
public boolean isOverridable() {
return !isStatic() && !isFinal() && !isPrivate();
}
private boolean isPrivate() {
return (this.access & Opcodes.ACC_PRIVATE) != 0;
}
@Override
public MergedAnnotations getAnnotations() {
return this.annotations;
}
@Override
public boolean equals(@Nullable Object obj) {
return ((this == obj) || ((obj instanceof SimpleMethodMetadata) &&
this.source.equals(((SimpleMethodMetadata) obj).source)));
}
@Override
public int hashCode() {
return this.source.hashCode();
}
@Override
public String toString() {
return this.source.toString();
}
}
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