content: /*
   * Copyright 2013-2023 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 com.alibaba.cloud.sentinel.feign;
  
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import feign.Contract;
  import feign.MethodMetadata;
  
  /**
   *
   * Using static field {@link SentinelContractHolder#METADATA_MAP} to hold
   * {@link MethodMetadata} data.
   *
   * @author <a href="mailto:fangjian0423@gmail.com">Jim</a>
   */
  public class SentinelContractHolder implements Contract {
  
  	private final Contract delegate;
  
  	/**
  	 * map key is constructed by ClassFullName + configKey. configKey is constructed by
  	 * {@link feign.Feign#configKey}
  	 */
  	public final static Map<String, MethodMetadata> METADATA_MAP = new HashMap<>();
  
  	public SentinelContractHolder(Contract delegate) {
  		this.delegate = delegate;
  	}
  
  	@Override
  	public List<MethodMetadata> parseAndValidateMetadata(Class<?> targetType) {
  		List<MethodMetadata> metadatas = delegate.parseAndValidateMetadata(targetType);
  		metadatas.forEach(metadata -> METADATA_MAP
  				.put(targetType.getName() + metadata.configKey(), metadata));
  		return metadatas;
  	}
  
  }
  