net.bytebuddy.implementation.bind.DeclaringTypeResolver Maven / Gradle / Ivy
/*
* 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.bind;
import net.bytebuddy.description.method.MethodDescription;
import net.bytebuddy.description.type.TypeDescription;
/**
* This ambiguity resolver matches that method out of two methods that is declared by the more specific type. If two
* methods are declared by the same type or by two unrelated types, this resolver returns an ambiguous result.
*/
public enum DeclaringTypeResolver implements MethodDelegationBinder.AmbiguityResolver {
/**
* The singleton instance.
*/
INSTANCE;
/**
* {@inheritDoc}
*/
public Resolution resolve(MethodDescription source,
MethodDelegationBinder.MethodBinding left,
MethodDelegationBinder.MethodBinding right) {
TypeDescription leftType = left.getTarget().getDeclaringType().asErasure();
TypeDescription rightType = right.getTarget().getDeclaringType().asErasure();
if (leftType.equals(rightType)) {
return Resolution.AMBIGUOUS;
} else if (leftType.isAssignableFrom(rightType)) {
return Resolution.RIGHT;
} else if (leftType.isAssignableTo(rightType)) {
return Resolution.LEFT;
} else {
return Resolution.AMBIGUOUS;
}
}
}