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- /*
- * SonarQube
- * Copyright (C) 2009-2023 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
- package org.sonar.api.batch.fs.internal.predicates;
-
- import java.util.ArrayList;
- import java.util.Collection;
- import java.util.Collections;
- import java.util.List;
- import org.sonar.api.batch.fs.FilePredicate;
- import org.sonar.api.batch.fs.FileSystem.Index;
- import org.sonar.api.batch.fs.InputFile;
-
- /**
- * @since 4.2
- */
- class AndPredicate extends AbstractFilePredicate implements OperatorPredicate {
-
- private final List<OptimizedFilePredicate> predicates = new ArrayList<>();
-
- private AndPredicate() {
- }
-
- public static FilePredicate create(Collection<FilePredicate> predicates) {
- if (predicates.isEmpty()) {
- return TruePredicate.TRUE;
- }
- AndPredicate result = new AndPredicate();
- for (FilePredicate filePredicate : predicates) {
- if (filePredicate == TruePredicate.TRUE) {
- continue;
- } else if (filePredicate == FalsePredicate.FALSE) {
- return FalsePredicate.FALSE;
- } else if (filePredicate instanceof AndPredicate andPredicate) {
- result.predicates.addAll(andPredicate.predicates);
- } else {
- result.predicates.add(OptimizedFilePredicateAdapter.create(filePredicate));
- }
- }
- Collections.sort(result.predicates);
- return result;
- }
-
- @Override
- public boolean apply(InputFile f) {
- for (OptimizedFilePredicate predicate : predicates) {
- if (!predicate.apply(f)) {
- return false;
- }
- }
- return true;
- }
-
- @Override
- public Iterable<InputFile> filter(Iterable<InputFile> target) {
- Iterable<InputFile> result = target;
- for (OptimizedFilePredicate predicate : predicates) {
- result = predicate.filter(result);
- }
- return result;
- }
-
- @Override
- public Iterable<InputFile> get(Index index) {
- if (predicates.isEmpty()) {
- return index.inputFiles();
- }
- // Optimization, use get on first predicate then filter with next predicates
- Iterable<InputFile> result = predicates.get(0).get(index);
- for (int i = 1; i < predicates.size(); i++) {
- result = predicates.get(i).filter(result);
- }
- return result;
- }
-
- Collection<OptimizedFilePredicate> predicates() {
- return predicates;
- }
-
- @Override
- public List<FilePredicate> operands() {
- return predicates.stream().map(p -> (FilePredicate) p).toList();
- }
-
- }
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