content: /*
   * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
   *
   * 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 org.activiti.engine.test.bpmn.event.signal;
  
  public class FileExistsMock {
  
      private boolean exists = false;
  
      private static FileExistsMock instance;
  
      public static synchronized FileExistsMock getInstance() {
          if (instance == null) {
              instance = new FileExistsMock();
          }
          return instance;
      }
  
      public boolean fileExists() {
          return this.exists;
      }
  
      public void touchFile() {
          this.exists = true;
      }
  
      public void removeFile() {
          this.exists = false;
      }
  }
  