/*
* SonarQube, open source software quality management tool.
* Copyright (C) 2008-2014 SonarSource
* mailto:contact AT sonarsource DOT com
*
* SonarQube 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.
*
* SonarQube 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.plugins.cpd.index;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import org.sonar.api.batch.fs.InputFile;
import org.sonar.api.database.model.Snapshot;
import org.sonar.api.resources.Project;
import org.sonar.batch.index.ResourcePersister;
import org.sonar.core.duplication.DuplicationDao;
import org.sonar.core.duplication.DuplicationUnitDto;
import org.sonar.duplications.block.Block;
import org.sonar.duplications.block.ByteArray;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
public class DbDuplicationsIndex {
private final Map<ByteArray, Collection<Block>> cache = Maps.newHashMap();
private final ResourcePersister resourcePersister;
private final int currentProjectSnapshotId;
private final Integer lastSnapshotId;
private final String languageKey;
private DuplicationDao dao;
public DbDuplicationsIndex(ResourcePersister resourcePersister, Project currentProject, DuplicationDao dao,
String language) {
this.dao = dao;
this.resourcePersister = resourcePersister;
Snapshot currentSnapshot = resourcePersister.getSnapshotOrFail(currentProject);
Snapshot lastSnapshot = resourcePersister.getLastSnapshot(currentSnapshot, false);
this.currentProjectSnapshotId = currentSnapshot.getId();
this.lastSnapshotId = lastSnapshot == null ? null : lastSnapshot.getId();
this.languageKey = language;
}
int getSnapshotIdFor(InputFile inputFile) {
return resourcePersister.getSnapshotOrFail(inputFile).getId();
}
public void prepareCache(InputFile inputFile) {
int resourceSnapshotId = getSnapshotIdFor(inputFile);
List<DuplicationUnitDto> units = dao.selectCandidates(resourceSnapshotId, lastSnapshotId, languageKey);
cache.clear();
// TODO Godin: maybe remove conversion of units to blocks?
for (DuplicationUnitDto unit : units) {
String hash = unit.getHash();
String resourceKey = unit.getResourceKey();
int indexInFile = unit.getIndexInFile();
int startLine = unit.getStartLine();
int endLine = unit.getEndLine();
// TODO Godin: in fact we could work directly with id instead of key - this will allow to decrease memory consumption
Block block = Block.builder()
.setResourceId(resourceKey)
.setBlockHash(new ByteArray(hash))
.setIndexInFile(indexInFile)
.setLines(startLine, endLine)
.build();
// Group blocks by hash
Collection<Block> sameHash = cache.get(block.getBlockHash());
if (sameHash == null) {
sameHash = Lists.newArrayList();
cache.put(block.getBlockHash(), sameHash);
}
sameHash.add(block);
}
}
public Collection<Block> getByHash(ByteArray hash) {
Collection<Block> result = cache.get(hash);
if (result != null) {
return result;
} else {
return Collections.emptyList();
}
}
public void insert(InputFile inputFile, Collection<Block> blocks) {
int resourceSnapshotId = getSnapshotIdFor(inputFile);
// TODO Godin: maybe remove conversion of blocks to units?
List<DuplicationUnitDto> units = Lists.newArrayList();
for (Block block : blocks) {
DuplicationUnitDto unit = new DuplicationUnitDto(
currentProjectSnapshotId,
resourceSnapshotId,
block.getBlockHash().toString(),
block.getIndexInFile(),
block.getStartLine(),
block.getEndLine());
units.add(unit);
}
dao.insert(units);
}
}