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   *  regarding copyright ownership.  The ASF licenses this file
   *  to you under the Apache License, Version 2.0 (the
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  package org.apache.cayenne.exp.parser;
  
  import java.io.IOException;
  import java.util.Date;
  
  import org.apache.cayenne.exp.Expression;
  
  /**
   * @since 4.0
   */
  public class ASTCurrentDate extends ASTFunctionCall {
  
      public ASTCurrentDate() {
          this(ExpressionParserTreeConstants.JJTCURRENTDATE);
      }
  
      ASTCurrentDate(int id) {
          super(id, "CURRENT_DATE");
      }
  
      @Override
      public boolean needParenthesis() {
          return false;
      }
  
      @Override
      protected int getRequiredChildrenCount() {
          return 0;
      }
  
      @Override
      protected Object evaluateSubNode(Object o, Object[] evaluatedChildren) throws Exception {
          return new Date();
      }
  
      @Override
      public Expression shallowCopy() {
          return new ASTCurrentDate(id);
      }
  }
  