2 * Copyright (c) 2018 Pantheon Technologies, s.r.o. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.yang.xpath.api;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.annotations.Beta;
13 import java.util.Objects;
15 import org.eclipse.jdt.annotation.Nullable;
18 public abstract class YangNaryExpr implements YangExpr {
19 private static final long serialVersionUID = 1L;
21 private final Set<YangExpr> expressions;
23 YangNaryExpr(final Set<YangExpr> expressions) {
24 this.expressions = requireNonNull(expressions);
27 public final Set<YangExpr> getExpressions() {
31 public abstract YangNaryOperator getOperator();
34 public final int hashCode() {
35 return Objects.hash(getOperator(), expressions);
39 public final boolean equals(final @Nullable Object obj) {
43 if (!(obj instanceof YangNaryExpr)) {
46 final YangNaryExpr other = (YangNaryExpr) obj;
47 return getOperator().equals(other.getOperator()) && expressions.equals(other.expressions);