freemarker.ext.beans.ExecutableMemberSignature Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 freemarker.ext.beans;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.Map;
import java.util.Set;
/**
* Used as a key in a {@link Map} or {@link Set} of methods or constructors.
*
* @since 2.3.30
*/
final class ExecutableMemberSignature {
private final String name;
private final Class[] args;
ExecutableMemberSignature(String name, Class[] args) {
this.name = name;
this.args = args;
}
/**
* Uses the method name, and the parameter types.
*/
ExecutableMemberSignature(Method method) {
this(method.getName(), method.getParameterTypes());
}
/**
* Doesn't use the constructor name, only the parameter types.
*/
ExecutableMemberSignature(Constructor constructor) {
this("", constructor.getParameterTypes());
}
@Override
public boolean equals(Object o) {
if (o instanceof ExecutableMemberSignature) {
ExecutableMemberSignature ms = (ExecutableMemberSignature) o;
return ms.name.equals(name) && Arrays.equals(args, ms.args);
}
return false;
}
@Override
public int hashCode() {
return name.hashCode() + args.length * 31;
}
}