cayenne-server/src/main/java/org/apache/cayenne/exp/parser/ASTBitwiseXor.java

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 *  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
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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 exclusive disjunction (XOR or '^') operation.
 * 
 * @since 3.1
 */
public class ASTBitwiseXor extends EvaluatedBitwiseNode {
	private static final long serialVersionUID = 1L;

	ASTBitwiseXor(int id) {
		super(id);
	}
	
	public ASTBitwiseXor() {
		super(ExpressionParserTreeConstants.JJTBITWISEXOR);
	}
	
	public ASTBitwiseXor(Object[] nodes) {
        this(Arrays.asList(nodes));
	}
	
    public ASTBitwiseXor(Collection<Object> nodes) {
        super(ExpressionParserTreeConstants.JJTBITWISEXOR);
        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_XOR;
	}
	
	@Override
	protected String getEJBQLExpressionOperator(int index) {
		throw new UnsupportedOperationException(
				"EJBQL 'bitwise not' is not supported");
	}
	
	@Override
	public Expression shallowCopy() {
		return new ASTBitwiseXor(id);
	}
	
    @Override
    public void jjtClose() {
        super.jjtClose();
        flattenTree();
    }
}