/*
* Copyright (c) 2018 Pantheon Technologies, s.r.o. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.yangtools.yang.xpath.api;
import static java.util.Objects.requireNonNull;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import java.io.Serial;
/**
* YANG XPath binary operator.
*/
public enum YangBinaryOperator {
/**
* Operands are equal.
*
* @see EqualityExpr
*/
EQUALS("="),
/**
* Operands do not equal.
*
* @see EqualityExpr
*/
NOT_EQUALS("!="),
/**
* Left-hand operand is greater than right-hand operand.
*
* @see RelationalExpr
*/
GT(">"),
/**
* Left-hand operand is greater than or equal to right-hand operand.
*
* @see RelationalExpr
*/
GTE(">="),
/**
* Left-hand operand is less than right-hand operand.
*
* @see RelationalExpr
*/
LT("<"),
/**
* Left-hand operand is less than or equal to right-hand operand.
*
* @see RelationalExpr
*/
LTE("<="),
/**
* Arithmetic addition.
*
* @see AdditiveExpr
*/
PLUS("+"),
/**
* Arithmetic subtraction.
*
* @see AdditiveExpr
*/
MINUS("-"),
/**
* Arithmetic multiplication.
*
* @see MultiplicativeExpr
*/
MUL("*"),
/**
* Arithmetic division.
*
* @see MultiplicativeExpr
*/
DIV("div"),
/**
* Arithmetic modulus after truncating division.
*
* @see MultiplicativeExpr
*/
MOD("mod");
@SuppressFBWarnings(value = "SE_INNER_CLASS", justification = "Outer class is a retained enumeration")
final class Expr extends YangBinaryExpr {
@Serial
private static final long serialVersionUID = 1L;
Expr(final YangExpr leftExpr, final YangExpr rightExpr) {
super(leftExpr, rightExpr);
}
@Override
public YangBinaryOperator getOperator() {
return YangBinaryOperator.this;
}
}
private final String str;
YangBinaryOperator(final String str) {
this.str = requireNonNull(str);
}
public YangBinaryExpr exprWith(final YangExpr leftExpr, final YangExpr rightExpr) {
return new Expr(leftExpr, rightExpr);
}
@Override
public String toString() {
return str;
}
}