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   *  to you under the Apache License, Version 2.0 (the
   *  "License"); you may not use this file except in compliance
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  package org.apache.cayenne.exp.parser;
  
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.Iterator;
  
  import org.apache.cayenne.exp.Expression;
  
  
  /**
   * Bitwise disjunction (OR or '|') expression.
   * 
   * @since 3.1
   */
  public class ASTBitwiseOr extends EvaluatedBitwiseNode {
  	private static final long serialVersionUID = 1L;
  
  	ASTBitwiseOr(int id) {
  		super(id);
  	}
  	
  	public ASTBitwiseOr() {
  		super(ExpressionParserTreeConstants.JJTBITWISEOR);
  	}
  	
  	public ASTBitwiseOr(Object[] nodes) {
          this(Arrays.asList(nodes));
  	}
  	
      public ASTBitwiseOr(Collection<Object> nodes) {
          super(ExpressionParserTreeConstants.JJTBITWISEOR);
          int len = nodes.size();
          Iterator<Object> it = nodes.iterator();
          for (int i = 0; i < len; i++) {
              jjtAddChild(wrapChild(it.next()), i);
          }
          connectChildren();
      }
  
      @Override
      protected long op(long result, long arg) {
          return result | arg;
      }
  
      @Override
  	protected String getExpressionOperator(int index) {
  		return "|";
  	}
  	
  	@Override
  	public int getType() {
  		return Expression.BITWISE_OR;
  	}
  	
  	@Override
  	protected String getEJBQLExpressionOperator(int index) {
  		throw new UnsupportedOperationException(
  				"EJBQL 'bitwise not' is not supported");
  	}
  	
  	@Override
  	public Expression shallowCopy() {
  		return new ASTBitwiseOr(id);
  	}
  	
      @Override
      public void jjtClose() {
          super.jjtClose();
          flattenTree();
      }
  
  }