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   *   Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you 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
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   *  Unless required by applicable law or agreed to in writing,
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   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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   ****************************************************************/
  
  package org.apache.cayenne.exp;
  
  import org.apache.cayenne.CayenneRuntimeException;
  
  /**
   * RuntimeException thrown on errors during expressions creation/parsing.
   */
  public class ExpressionException extends CayenneRuntimeException {
  
  	private static final long serialVersionUID = -4933472762330859309L;
  	
  	protected String expressionString;
  
  	public ExpressionException() {
  		super();
  	}
  
  	public ExpressionException(String messageFormat, Object... messageArgs) {
  		super(messageFormat, messageArgs);
  	}
  
  	public ExpressionException(String messageFormat, Throwable cause, Object... messageArgs) {
  		super(messageFormat, cause, messageArgs);
  	}
  
  	public ExpressionException(Throwable cause) {
  		super(cause);
  	}
  
  	/**
  	 * Constructor for ExpressionException.
  	 * 
  	 * @since 1.1
  	 */
  	public ExpressionException(String messageFormat, String expressionString, Throwable th, Object... messageArgs) {
  		super(messageFormat, th, messageArgs);
  		this.expressionString = expressionString;
  	}
  
  	public String getExpressionString() {
  		return expressionString;
  	}
  }
  