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package io.konig.formula;

/*
 * #%L
 * Konig Core
 * %%
 * Copyright (C) 2015 - 2017 Gregory McFall
 * %%
 * Licensed 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
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */


import io.konig.core.io.PrettyPrintWriter;

public class BinaryRelationalExpression extends AbstractFormula implements RelationalExpression {

	private BinaryOperator operator;
	private NumericExpression left;
	private NumericExpression right;

	public BinaryRelationalExpression(BinaryOperator operator, NumericExpression left, NumericExpression right) {
		this.operator = operator;
		this.left = left;
		this.right = right;
	}
	
	public BinaryOperator getOperator() {
		return operator;
	}

	public NumericExpression getLeft() {
		return left;
	}

	public NumericExpression getRight() {
		return right;
	}

	@Override
	public void print(PrettyPrintWriter out) {
		left.print(out);
		if (operator != null) {
			operator.print(out);
			right.print(out);
		}

	}

	@Override
	public void dispatch(FormulaVisitor visitor) {
		visitor.enter(this);
		left.dispatch(visitor);
		if (operator!=null) {
			operator.dispatch(visitor);
			right.dispatch(visitor);
		}
		visitor.exit(this);
		
	}
	
	@Override
	public BinaryRelationalExpression asBinaryRelationalExpression() {
		return this;
	}
	

}




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