45 lines
1.4 KiB
Java
45 lines
1.4 KiB
Java
/**
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* Copyright (c) 2018-2028, DreamLu 卢春梦 (qq596392912@gmail.com).
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* <p>
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* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* <p>
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* http://www.gnu.org/licenses/lgpl.html
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* <p>
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springblade.core.cloud.feign;
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import feign.Target;
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import lombok.AllArgsConstructor;
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import org.springframework.cglib.proxy.Enhancer;
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import org.springframework.cloud.openfeign.FallbackFactory;
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/**
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* 默认 Fallback,避免写过多fallback类
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*
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* @param <T> 泛型标记
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* @author L.cm
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*/
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@AllArgsConstructor
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public class BladeFallbackFactory<T> implements FallbackFactory<T> {
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private final Target<T> target;
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@Override
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@SuppressWarnings("unchecked")
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public T create(Throwable cause) {
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final Class<T> targetType = target.type();
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final String targetName = target.name();
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Enhancer enhancer = new Enhancer();
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enhancer.setSuperclass(targetType);
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enhancer.setUseCache(true);
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enhancer.setCallback(new BladeFeignFallback<>(targetType, targetName, cause));
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return (T) enhancer.create();
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}
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}
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