vmario/docs
1
0
Fork 0
mirror of https://github.com/sismics/docs.git synced 2024-11-24 22:57:56 +01:00
Code Issues Packages Projects Releases Wiki Activity

Delete files from storage when necessary,

Browse Source 
batch to cleanup storage for orphan files,
better Lucene directory reader management
This commit is contained in:
jendib 2013-08-18 00:53:01 +02:00
parent 00ed2e3c25
commit 6b5c1b2b51
10 changed files with 140 additions and 48 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
docs-core/src/main/java/com/sismics/docs/core/dao/lucene/LuceneDao.java
View File

@ -10,8 +10,6 @@ import java.util.Set;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.StringField;
import org.apache.lucene.document.TextField;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.Term;
import org.apache.lucene.queries.TermsFilter;
@ -23,8 +21,6 @@ import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.search.TopDocs;
import org.apache.lucene.util.Version;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.sismics.docs.core.model.context.AppContext;
import com.sismics.docs.core.model.jpa.Document;
@ -38,11 +34,6 @@ import com.sismics.docs.core.util.LuceneUtil.LuceneRunnable;
* @author bgamard
*/
public class LuceneDao {
/**
* Logger.
*/
private static final Logger log = LoggerFactory.getLogger(LuceneDao.class);
/**
* Destroy and rebuild index.
*
@ -178,17 +169,12 @@ public class LuceneDao {
TermsFilter userFilter = new TermsFilter(terms);
// Search
Set<String> documentIdList = new HashSet<String>();
if (!DirectoryReader.indexExists(AppContext.getInstance().getLuceneDirectory())) {
log.warn("Lucene directory not yet initialized");
return documentIdList;
}
IndexReader reader = DirectoryReader.open(AppContext.getInstance().getLuceneDirectory());
IndexSearcher searcher = new IndexSearcher(reader);
IndexSearcher searcher = new IndexSearcher(AppContext.getInstance().getIndexingService().getDirectoryReader());
TopDocs topDocs = searcher.search(query, userFilter, Integer.MAX_VALUE);
ScoreDoc[] docs = topDocs.scoreDocs;
// Extract document IDs
Set<String> documentIdList = new HashSet<String>();
for (int i = 0; i < docs.length; i++) {
org.apache.lucene.document.Document document = searcher.doc(docs[i].doc);
String type = document.get("type");
@ -201,8 +187,6 @@ public class LuceneDao {
documentIdList.add(documentId);
}
reader.close();
return documentIdList;
}

18
docs-core/src/main/java/com/sismics/docs/core/listener/async/FileDeletedAsyncListener.java
View File

@ -1,11 +1,15 @@
package com.sismics.docs.core.listener.async;
import java.nio.file.Paths;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.eventbus.Subscribe;
import com.sismics.docs.core.dao.lucene.LuceneDao;
import com.sismics.docs.core.event.FileDeletedAsyncEvent;
import com.sismics.docs.core.model.jpa.File;
import com.sismics.docs.core.util.DirectoryUtil;
/**
* Listener on file deleted.
@ -30,10 +34,20 @@ public class FileDeletedAsyncListener {
log.info("File deleted event: " + fileDeletedAsyncEvent.toString());
}
// TODO Delete the file from storage
// Delete the file from storage
File file = fileDeletedAsyncEvent.getFile();
java.io.File thumbnailFile = Paths.get(DirectoryUtil.getStorageDirectory().getPath(), file.getId() + "_thumb").toFile();
java.io.File storedFile = Paths.get(DirectoryUtil.getStorageDirectory().getPath(), file.getId()).toFile();
if (thumbnailFile.exists()) {
thumbnailFile.delete();
}
if (storedFile.exists()) {
storedFile.delete();
}
// Update Lucene index
LuceneDao luceneDao = new LuceneDao();
luceneDao.deleteDocument(fileDeletedAsyncEvent.getFile().getId());
luceneDao.deleteDocument(file.getId());
}
}

22
docs-core/src/main/java/com/sismics/docs/core/model/context/AppContext.java
View File

@ -7,8 +7,6 @@ import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import org.apache.lucene.store.Directory;
import com.google.common.eventbus.AsyncEventBus;
import com.google.common.eventbus.EventBus;
import com.sismics.docs.core.constant.ConfigType;
@ -51,11 +49,6 @@ public class AppContext {
*/
private IndexingService indexingService;
/**
* Lucene directory.
*/
private Directory luceneDirectory;
/**
* Asynchronous executors.
*/
@ -71,8 +64,6 @@ public class AppContext {
Config luceneStorageConfig = configDao.getById(ConfigType.LUCENE_DIRECTORY_STORAGE);
indexingService = new IndexingService(luceneStorageConfig != null ? luceneStorageConfig.getValue() : null);
indexingService.startAndWait();
luceneDirectory = indexingService.getDirectory();
}
/**
@ -165,20 +156,11 @@ public class AppContext {
}
/**
* Getter of feedService.
* Getter of indexingService.
*
* @return feedService
* @return indexingService
*/
public IndexingService getIndexingService() {
return indexingService;
}
/**
* Getter of- luceneDirectory.
*
* @return the luceneDirectory
*/
public Directory getLuceneDirectory() {
return luceneDirectory;
}
}

50
docs-core/src/main/java/com/sismics/docs/core/service/IndexingService.java
View File

@ -4,6 +4,7 @@ import java.io.File;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.store.SimpleFSDirectory;
@ -34,6 +35,11 @@ public class IndexingService extends AbstractScheduledService {
*/
private Directory directory;
/**
* Directory reader.
*/
private DirectoryReader directoryReader;
/**
* Lucene storage config.
*/
@ -62,10 +68,16 @@ public class IndexingService extends AbstractScheduledService {
@Override
protected void shutDown() {
Directory luceneIndex = AppContext.getInstance().getLuceneDirectory();
if (luceneIndex != null) {
if (directoryReader != null) {
try {
luceneIndex.close();
directoryReader.close();
} catch (IOException e) {
log.error("Error closing the index reader", e);
}
}
if (directory != null) {
try {
directory.close();
} catch (IOException e) {
log.error("Error closing Lucene index", e);
}
@ -105,4 +117,36 @@ public class IndexingService extends AbstractScheduledService {
public Directory getDirectory() {
return directory;
}
/**
* Returns a valid directory reader.
* Take care of reopening the reader if the index has changed
* and closing the previous one.
*
* @return the directoryReader
*/
public DirectoryReader getDirectoryReader() {
if (directoryReader == null) {
if (!DirectoryReader.indexExists(directory)) {
log.info("Lucene directory not yet created");
return null;
}
try {
directoryReader = DirectoryReader.open(directory);
} catch (IOException e) {
log.error("Error creating the directory reader", e);
}
} else {
try {
DirectoryReader newReader = DirectoryReader.openIfChanged(directoryReader);
if (newReader != null) {
directoryReader.close();
directoryReader = newReader;
}
} catch (IOException e) {
log.error("Error while reopening the directory reader", e);
}
}
return directoryReader;
}
}

2
docs-core/src/main/java/com/sismics/docs/core/util/LuceneUtil.java
View File

@ -37,7 +37,7 @@ public class LuceneUtil {
config.setMergeScheduler(new SerialMergeScheduler());
// Creating index writer
Directory directory = AppContext.getInstance().getLuceneDirectory();
Directory directory = AppContext.getInstance().getIndexingService().getDirectory();
IndexWriter indexWriter = null;
try {
indexWriter = new IndexWriter(directory, config);

3
docs-parent/TODO
View File

@ -1,7 +1,6 @@
- New image rescale between thumbnail and original (client/server)
- Batch to regenerate all thumbnails (server)
- Delete files on FS when a file in database is deleted (server)
- Batch to delete unused files on FS (server)
- Special criteria to search inside OCR-ed content (eg. full:uranium) (server)
- Special criteria to search on a specific time span (eg. at:2013-06) (server)
- Show help on special criterias (client)
- Disable Add/Edit button while uploading (client)

48
docs-web/src/main/java/com/sismics/docs/rest/resource/AppResource.java
View File

@ -1,7 +1,9 @@
package com.sismics.docs.rest.resource;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.ResourceBundle;
import javax.ws.rs.GET;
@ -19,11 +21,14 @@ import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;
import com.sismics.docs.core.dao.jpa.DocumentDao;
import com.sismics.docs.core.dao.jpa.FileDao;
import com.sismics.docs.core.dao.jpa.criteria.DocumentCriteria;
import com.sismics.docs.core.dao.jpa.dto.DocumentDto;
import com.sismics.docs.core.event.OcrFileAsyncEvent;
import com.sismics.docs.core.model.context.AppContext;
import com.sismics.docs.core.model.jpa.File;
import com.sismics.docs.core.util.ConfigUtil;
import com.sismics.docs.core.util.DirectoryUtil;
import com.sismics.docs.core.util.jpa.PaginatedList;
import com.sismics.docs.core.util.jpa.PaginatedLists;
import com.sismics.docs.core.util.jpa.SortCriteria;
@ -177,12 +182,53 @@ public class AppResource extends BaseResource {
}
checkBaseFunction(BaseFunction.ADMIN);
JSONObject response = new JSONObject();
try {
AppContext.getInstance().getIndexingService().rebuildIndex();
} catch (Exception e) {
throw new ServerException("IndexingError", "Error rebuilding index", e);
}
JSONObject response = new JSONObject();
response.put("status", "ok");
return Response.ok().entity(response).build();
}
/**
* Destroy and rebuild Lucene index.
*
* @return Response
* @throws JSONException
*/
@POST
@Path("batch/clean_storage")
@Produces(MediaType.APPLICATION_JSON)
public Response batchCleanStorage() throws JSONException {
if (!authenticate()) {
throw new ForbiddenClientException();
}
checkBaseFunction(BaseFunction.ADMIN);
// Get all files
FileDao fileDao = new FileDao();
List<File> fileList = fileDao.findAll();
Map<String, File> fileMap = new HashMap<>();
for (File file : fileList) {
fileMap.put(file.getId(), file);
}
// Check if each stored file is valid
java.io.File[] storedFileList = DirectoryUtil.getStorageDirectory().listFiles();
for (java.io.File storedFile : storedFileList) {
String fileName = storedFile.getName();
if (fileName.endsWith("_thumb")) {
fileName = fileName.replace("_thumb", "");
}
if (!fileMap.containsKey(fileName)) {
storedFile.delete();
}
}
JSONObject response = new JSONObject();
response.put("status", "ok");
return Response.ok().entity(response).build();
}

6
docs-web/src/test/java/com/sismics/docs/rest/TestAppResource.java
View File

@ -55,6 +55,12 @@ public class TestAppResource extends BaseJerseyTest {
appResource.addFilter(new CookieAuthenticationFilter(adminAuthenticationToken));
response = appResource.post(ClientResponse.class);
Assert.assertEquals(Status.OK, Status.fromStatusCode(response.getStatus()));
// Clean storage
appResource = resource().path("/app/batch/clean_storage");
appResource.addFilter(new CookieAuthenticationFilter(adminAuthenticationToken));
response = appResource.post(ClientResponse.class);
Assert.assertEquals(Status.OK, Status.fromStatusCode(response.getStatus()));
}
/**

9
docs-web/src/test/java/com/sismics/docs/rest/TestDocumentResource.java
View File

@ -284,6 +284,15 @@ public class TestDocumentResource extends BaseJerseyTest {
json = response.getEntity(JSONObject.class);
Assert.assertEquals(document1Id, json.getString("id"));
// Search documents by query
documentResource = resource().path("/document/list");
documentResource.addFilter(new CookieAuthenticationFilter(document1Token));
getParams = new MultivaluedMapImpl();
getParams.putSingle("search", "super");
response = documentResource.queryParams(getParams).get(ClientResponse.class);
json = response.getEntity(JSONObject.class);
Assert.assertEquals(Status.OK, Status.fromStatusCode(response.getStatus()));
// Get a document
documentResource = resource().path("/document/" + document1Id);
documentResource.addFilter(new CookieAuthenticationFilter(document1Token));

8
docs-web/src/test/java/com/sismics/docs/rest/TestFileResource.java
View File

@ -2,6 +2,7 @@ package com.sismics.docs.rest;
import java.io.BufferedInputStream;
import java.io.InputStream;
import java.nio.file.Paths;
import javax.ws.rs.core.MediaType;
@ -12,6 +13,7 @@ import org.codehaus.jettison.json.JSONObject;
import org.junit.Test;
import com.google.common.io.ByteStreams;
import com.sismics.docs.core.util.DirectoryUtil;
import com.sismics.docs.rest.filter.CookieAuthenticationFilter;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.ClientResponse.Status;
@ -145,6 +147,12 @@ public class TestFileResource extends BaseJerseyTest {
json = response.getEntity(JSONObject.class);
Assert.assertEquals("ok", json.getString("status"));
// Check that files are deleted from FS
java.io.File thumbnailFile = Paths.get(DirectoryUtil.getStorageDirectory().getPath(), file1Id + "_thumb").toFile();
java.io.File storedFile = Paths.get(DirectoryUtil.getStorageDirectory().getPath(), file1Id).toFile();
Assert.assertFalse(thumbnailFile.exists());
Assert.assertFalse(storedFile.exists());
// Get all files from a document
fileResource = resource().path("/file/list");
fileResource.addFilter(new CookieAuthenticationFilter(file1AuthenticationToken));