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.StepIntersection} objects. 26 * 27 * @since 1.0.0 28 */ 29 public final class StepIntersectionBuilder extends StepBinaryOperationBuilder { 30 /** 31 * Constructs a new {@code StepIntersectionBuilder} object. 32 * 33 * @param lhs the left-hand side of the intersection 34 * @param rhs the right-hand side of the intersection 35 * @throws java.lang.NullPointerException if {@code lhs} or {@code rhs} is {@code null} 36 * @since 1.0.0 37 */ 38 public StepIntersectionBuilder(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 }