spring-retry ClassifierSupport 源码
spring-retry ClassifierSupport 代码
文件路径：/src/main/java/org/springframework/classify/ClassifierSupport.java
/*
* Copyright 2006-2007 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.classify;
/**
* Base class for {@link Classifier} implementations. Provides default behaviour and some
* convenience members, like constants.
*
* @author Dave Syer
* @param <C> the type of the thing to classify
* @param <T> the output of the classifier
*/
@SuppressWarnings("serial")
public class ClassifierSupport<C, T> implements Classifier<C, T> {
final private T defaultValue;
/**
* @param defaultValue the default value
*/
public ClassifierSupport(T defaultValue) {
super();
this.defaultValue = defaultValue;
}
/**
* Always returns the default value. This is the main extension point for subclasses,
* so it must be able to classify null.
*
* @see org.springframework.classify.Classifier#classify(Object)
*/
@Override
public T classify(C throwable) {
return this.defaultValue;
}
}
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