001/*
002 * SonarQube
003 * Copyright (C) 2009-2017 SonarSource SA
004 * mailto:info AT sonarsource DOT com
005 *
006 * This program is free software; you can redistribute it and/or
007 * modify it under the terms of the GNU Lesser General Public
008 * License as published by the Free Software Foundation; either
009 * version 3 of the License, or (at your option) any later version.
010 *
011 * This program is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014 * Lesser General Public License for more details.
015 *
016 * You should have received a copy of the GNU Lesser General Public License
017 * along with this program; if not, write to the Free Software Foundation,
018 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
019 */
020package org.sonar.api.batch.rule.internal;
021
022import com.google.common.collect.ImmutableListMultimap;
023import com.google.common.collect.ListMultimap;
024import org.sonar.api.batch.rule.ActiveRule;
025import org.sonar.api.batch.rule.ActiveRules;
026import org.sonar.api.rule.RuleKey;
027
028import javax.annotation.concurrent.Immutable;
029
030import java.util.Collection;
031import java.util.HashMap;
032import java.util.Map;
033
034@Immutable
035public class DefaultActiveRules implements ActiveRules {
036
037  // TODO use disk-backed cache (persistit) instead of full in-memory cache ?
038  private final ListMultimap<String, ActiveRule> activeRulesByRepository;
039  private final Map<String, Map<String, ActiveRule>> activeRulesByRepositoryAndKey = new HashMap<>();
040  private final Map<String, Map<String, ActiveRule>> activeRulesByRepositoryAndInternalKey = new HashMap<>();
041  private final ListMultimap<String, ActiveRule> activeRulesByLanguage;
042
043  public DefaultActiveRules(Collection<NewActiveRule> newActiveRules) {
044    ImmutableListMultimap.Builder<String, ActiveRule> repoBuilder = ImmutableListMultimap.builder();
045    ImmutableListMultimap.Builder<String, ActiveRule> langBuilder = ImmutableListMultimap.builder();
046    for (NewActiveRule newAR : newActiveRules) {
047      DefaultActiveRule ar = new DefaultActiveRule(newAR);
048      repoBuilder.put(ar.ruleKey().repository(), ar);
049      if (ar.language() != null) {
050        langBuilder.put(ar.language(), ar);
051      }
052      if (!activeRulesByRepositoryAndKey.containsKey(ar.ruleKey().repository())) {
053        activeRulesByRepositoryAndKey.put(ar.ruleKey().repository(), new HashMap<String, ActiveRule>());
054        activeRulesByRepositoryAndInternalKey.put(ar.ruleKey().repository(), new HashMap<String, ActiveRule>());
055      }
056      activeRulesByRepositoryAndKey.get(ar.ruleKey().repository()).put(ar.ruleKey().rule(), ar);
057      String internalKey = ar.internalKey();
058      if (internalKey != null) {
059        activeRulesByRepositoryAndInternalKey.get(ar.ruleKey().repository()).put(internalKey, ar);
060      }
061    }
062    activeRulesByRepository = repoBuilder.build();
063    activeRulesByLanguage = langBuilder.build();
064  }
065
066  @Override
067  public ActiveRule find(RuleKey ruleKey) {
068    Map<String, ActiveRule> map = activeRulesByRepositoryAndKey.get(ruleKey.repository());
069    if(map != null) {
070      return map.get(ruleKey.rule());
071    }
072    return null;
073  }
074
075  @Override
076  public Collection<ActiveRule> findAll() {
077    return activeRulesByRepository.values();
078  }
079
080  @Override
081  public Collection<ActiveRule> findByRepository(String repository) {
082    return activeRulesByRepository.get(repository);
083  }
084
085  @Override
086  public Collection<ActiveRule> findByLanguage(String language) {
087    return activeRulesByLanguage.get(language);
088  }
089
090  @Override
091  public ActiveRule findByInternalKey(String repository, String internalKey) {
092    return activeRulesByRepositoryAndInternalKey.containsKey(repository) ? activeRulesByRepositoryAndInternalKey.get(repository).get(internalKey) : null;
093  }
094}