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1   /*
2    * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
3    * The software in this package is published under the terms of the CPAL v1.0
4    * license, a copy of which has been included with this distribution in the
5    * LICENSE.txt file.
6    */
7   package org.mule.tck.probe;
8   
9   /**
10   * A probe indicates whether the state of the system satisfies a given criteria
11   */
12  public interface Probe
13  {
14  
15      /**
16       * Indicates wheter or not the specified criteria was met or not.
17       *
18       * @return true if the criteria is satisfied.
19       */
20      boolean isSatisfied();
21  
22      /**
23       * Describes the cause of the criteria failure for further analysis.
24       *
25       * @return the error message.
26       */
27      String describeFailure();
28  }