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1   /*
2    * Copyright 2012 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package io.netty.util.concurrent;
17  
18  /**
19   * An {@link IllegalStateException} which is raised when a user performed a blocking operation
20   * when the user is in an event loop thread.  If a blocking operation is performed in an event loop
21   * thread, the blocking operation will most likely enter a dead lock state, hence throwing this
22   * exception.
23   */
24  public class BlockingOperationException extends IllegalStateException {
25  
26      private static final long serialVersionUID = 2462223247762460301L;
27  
28      public BlockingOperationException() { }
29  
30      public BlockingOperationException(String s) {
31          super(s);
32      }
33  
34      public BlockingOperationException(Throwable cause) {
35          super(cause);
36      }
37  
38      public BlockingOperationException(String message, Throwable cause) {
39          super(message, cause);
40      }
41  }