content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * 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 com.alibaba.csp.sentinel.annotation.aspectj.integration.service;
  
  import com.alibaba.csp.sentinel.annotation.SentinelResource;
  import com.alibaba.csp.sentinel.slots.block.BlockException;
  import com.alibaba.csp.sentinel.slots.block.degrade.DegradeException;
  
  import org.springframework.stereotype.Service;
  
  import java.util.concurrent.ThreadLocalRandom;
  
  /**
   * @author Eric Zhao
   */
  @Service
  public class FooService {
  
      @SentinelResource(value = "apiFoo", blockHandler = "fooBlockHandler",
          exceptionsToTrace = {IllegalArgumentException.class})
      public String foo(int i) throws Exception {
          if (i == 5758) {
              throw new IllegalAccessException();
          }
          if (i == 5763) {
              throw new IllegalArgumentException();
          }
          return "Hello for " + i;
      }
  
      @SentinelResource(value = "apiFooWithFallback", blockHandler = "fooBlockHandler", fallback = "fooFallbackFunc",
          exceptionsToTrace = {IllegalArgumentException.class})
      public String fooWithFallback(int i) throws Exception {
          if (i == 5758) {
              throw new IllegalAccessException();
          }
          if (i == 5763) {
              throw new IllegalArgumentException();
          }
          return "Hello for " + i;
      }
  
      @SentinelResource(value = "apiAnotherFooWithDefaultFallback", defaultFallback = "globalDefaultFallback",
          fallbackClass = {FooUtil.class})
      public String anotherFoo(int i) {
          if (i == 5758) {
              throw new IllegalArgumentException("oops");
          }
          return "Hello for " + i;
      }
  
      @SentinelResource(blockHandler = "globalBlockHandler", blockHandlerClass = FooUtil.class)
      public int random() {
          return ThreadLocalRandom.current().nextInt(0, 30000);
      }
  
      @SentinelResource(value = "apiBaz", blockHandler = "bazBlockHandler",
              exceptionsToIgnore = {IllegalMonitorStateException.class})
      public String baz(String name) {
          if (name.equals("fail")) {
              throw new IllegalMonitorStateException("boom!");
          }
          return "cheers, " + name;
      }
  
      @SentinelResource(value = "apiFooWithFallback", blockHandler = "fooBlockHandlerPrivate", fallback = "fooFallbackFuncPrivate",
              exceptionsToTrace = {IllegalArgumentException.class})
      public String fooWithPrivateFallback(int i) throws Exception {
          if (i == 5758) {
              throw new IllegalAccessException();
          }
          if (i == 5763) {
              throw new IllegalArgumentException();
          }
          return "Hello for " + i;
      }
  
      public String fooBlockHandler(int i, BlockException ex) {
          return "Oops, " + i;
      }
  
      public String fooFallbackFunc(int i) {
          return "eee...";
      }
  
      private String fooFallbackFuncPrivate(int i) {
          return "EEE...";
      }
  
      private String fooBlockHandlerPrivate(int i, BlockException ex) {
          return "Oops, " + i;
      }
  }
  