1 /*
2 * Copyright 2020-2022 Foreseeti AB <https://foreseeti.com>
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package org.mal_lang.langspec.builders.step;
18
19 import java.util.List;
20 import java.util.Map;
21 import org.mal_lang.langspec.Asset;
22 import org.mal_lang.langspec.builders.AssetBuilder;
23
24 /**
25 * A builder for creating {@link org.mal_lang.langspec.step.StepUnion} objects.
26 *
27 * @since 1.0.0
28 */
29 public final class StepUnionBuilder extends StepBinaryOperationBuilder {
30 /**
31 * Constructs a new {@code StepUnionBuilder} object.
32 *
33 * @param lhs the left-hand side of the union
34 * @param rhs the right-hand side of the union
35 * @throws java.lang.NullPointerException if {@code lhs} or {@code rhs} is {@code null}
36 * @since 1.0.0
37 */
38 public StepUnionBuilder(StepExpressionBuilder lhs, StepExpressionBuilder rhs) {
39 super(lhs, rhs);
40 }
41
42 @Override
43 public Asset getTarget(
44 Asset sourceAsset, Map<String, Asset> assets, List<AssetBuilder> assetBuilders) {
45 return Asset.leastUpperBound(
46 this.getLhs().getTarget(sourceAsset, assets, assetBuilders),
47 this.getRhs().getTarget(sourceAsset, assets, assetBuilders));
48 }
49 }