Examples with QueryExpression org.eclipse.che.api.vfs.search.QueryExpression used on opensource projects

Example 6 with QueryExpression

use of org.eclipse.che.api.vfs.search.QueryExpression in project che by eclipse.

the class MemoryLuceneSearcherTest method initializesIndexForExistedFiles.

@Test
public void initializesIndexForExistedFiles() throws Exception {
    VirtualFileSystem virtualFileSystem = virtualFileSystem();
    VirtualFile folder = virtualFileSystem.getRoot().createFolder("folder");
    folder.createFile("xxx.txt", TEST_CONTENT[2]);
    folder.createFile("zzz.txt", TEST_CONTENT[1]);
    searcher.init(virtualFileSystem);
    List<String> paths = searcher.search(new QueryExpression().setText("think")).getFilePaths();
    assertEquals(newArrayList("/folder/zzz.txt"), paths);
}

Example 7 with QueryExpression

use of org.eclipse.che.api.vfs.search.QueryExpression in project che by eclipse.

the class ProjectService method search.

@GET
@Path("/search/{path:.*}")
@Produces(MediaType.APPLICATION_JSON)
@ApiOperation(value = "Search for resources", notes = "Search for resources applying a number of search filters as query parameters", response = ItemReference.class, responseContainer = "List")
@ApiResponses({ @ApiResponse(code = 200, message = "OK"), @ApiResponse(code = 403, message = "User not authorized to call this operation"), @ApiResponse(code = 404, message = "Not found"), @ApiResponse(code = 409, message = "Conflict error"), @ApiResponse(code = 500, message = "Internal Server Error") })
public List<ItemReference> search(@ApiParam(value = "Path to resource, i.e. where to search?", required = true) @PathParam("path") String path, @ApiParam(value = "Resource name") @QueryParam("name") String name, @ApiParam(value = "Search keywords") @QueryParam("text") String text, @ApiParam(value = "Maximum items to display. If this parameter is dropped, there are no limits") @QueryParam("maxItems") @DefaultValue("-1") int maxItems, @ApiParam(value = "Skip count") @QueryParam("skipCount") int skipCount) throws NotFoundException, ForbiddenException, ConflictException, ServerException {
    final Searcher searcher;
    try {
        searcher = projectManager.getSearcher();
    } catch (NotFoundException e) {
        LOG.warn(e.getLocalizedMessage());
        return Collections.emptyList();
    }
    if (skipCount < 0) {
        throw new ConflictException(String.format("Invalid 'skipCount' parameter: %d.", skipCount));
    }
    final QueryExpression expr = new QueryExpression().setPath(path.startsWith("/") ? path : ('/' + path)).setName(name).setText(text).setMaxItems(maxItems).setSkipCount(skipCount);
    final SearchResult result = searcher.search(expr);
    final List<SearchResultEntry> searchResultEntries = result.getResults();
    final List<ItemReference> items = new ArrayList<>(searchResultEntries.size());
    final FolderEntry root = projectManager.getProjectsRoot();
    for (SearchResultEntry searchResultEntry : searchResultEntries) {
        final VirtualFileEntry child = root.getChild(searchResultEntry.getFilePath());
        if (child != null && child.isFile()) {
            items.add(injectFileLinks(asDto((FileEntry) child)));
        }
    }
    return items;
}

Example 8 with QueryExpression

use of org.eclipse.che.api.vfs.search.QueryExpression in project che by eclipse.

the class LuceneSearcher method search.

@Override
public SearchResult search(QueryExpression query) throws ServerException {
    IndexSearcher luceneSearcher = null;
    try {
        final long startTime = System.currentTimeMillis();
        searcherManager.maybeRefresh();
        luceneSearcher = searcherManager.acquire();
        Query luceneQuery = createLuceneQuery(query);
        ScoreDoc after = null;
        final int numSkipDocs = Math.max(0, query.getSkipCount());
        if (numSkipDocs > 0) {
            after = skipScoreDocs(luceneSearcher, luceneQuery, numSkipDocs);
        }
        final int numDocs = query.getMaxItems() > 0 ? Math.min(query.getMaxItems(), RESULT_LIMIT) : RESULT_LIMIT;
        TopDocs topDocs = luceneSearcher.searchAfter(after, luceneQuery, numDocs);
        final int totalHitsNum = topDocs.totalHits;
        List<SearchResultEntry> results = newArrayList();
        for (int i = 0; i < topDocs.scoreDocs.length; i++) {
            ScoreDoc scoreDoc = topDocs.scoreDocs[i];
            String filePath = luceneSearcher.doc(scoreDoc.doc).getField(PATH_FIELD).stringValue();
            results.add(new SearchResultEntry(filePath));
        }
        final long elapsedTimeMillis = System.currentTimeMillis() - startTime;
        boolean hasMoreToRetrieve = numSkipDocs + topDocs.scoreDocs.length + 1 < totalHitsNum;
        QueryExpression nextPageQueryExpression = null;
        if (hasMoreToRetrieve) {
            nextPageQueryExpression = createNextPageQuery(query, numSkipDocs + topDocs.scoreDocs.length);
        }
        return SearchResult.aSearchResult().withResults(results).withTotalHits(totalHitsNum).withNextPageQueryExpression(nextPageQueryExpression).withElapsedTimeMillis(elapsedTimeMillis).build();
    } catch (IOException | ParseException e) {
        throw new ServerException(e.getMessage(), e);
    } finally {
        try {
            searcherManager.release(luceneSearcher);
        } catch (IOException e) {
            LOG.error(e.getMessage());
        }
    }
}

Example 9 with QueryExpression

use of org.eclipse.che.api.vfs.search.QueryExpression in project che by eclipse.

the class FSLuceneSearcherTest method deletesSingleFileFromIndex.

@Test
public void deletesSingleFileFromIndex() throws Exception {
    VirtualFileSystem virtualFileSystem = virtualFileSystem();
    VirtualFile file = virtualFileSystem.getRoot().createFolder("aaa").createFile("aaa.txt", TEST_CONTENT[2]);
    searcher.init(virtualFileSystem);
    List<String> paths = searcher.search(new QueryExpression().setText("be")).getFilePaths();
    assertEquals(newArrayList(file.getPath().toString()), paths);
    searcher.delete(file.getPath().toString(), file.isFile());
    paths = searcher.search(new QueryExpression().setText("be")).getFilePaths();
    assertTrue(paths.isEmpty());
}

Example 10 with QueryExpression

use of org.eclipse.che.api.vfs.search.QueryExpression in project che by eclipse.

the class FSLuceneSearcherTest method deletesFileTreeFromIndex.

@Test
public void deletesFileTreeFromIndex() throws Exception {
    VirtualFileSystem virtualFileSystem = virtualFileSystem();
    VirtualFile folder = virtualFileSystem.getRoot().createFolder("folder");
    folder.createFile("xxx.txt", TEST_CONTENT[2]);
    folder.createFile("zzz.txt", TEST_CONTENT[1]);
    searcher.init(virtualFileSystem);
    List<String> paths = searcher.search(new QueryExpression().setText("be")).getFilePaths();
    assertEquals(newArrayList("/folder/xxx.txt"), paths);
    paths = searcher.search(new QueryExpression().setText("should")).getFilePaths();
    assertEquals(newArrayList("/folder/zzz.txt"), paths);
    searcher.delete("/folder", false);
    paths = searcher.search(new QueryExpression().setText("be")).getFilePaths();
    assertTrue(paths.isEmpty());
    paths = searcher.search(new QueryExpression().setText("should")).getFilePaths();
    assertTrue(paths.isEmpty());
}