Examples with CompletableFuture java8.util.concurrent.CompletableFuture used on opensource projects

Example 21 with CompletableFuture

use of java8.util.concurrent.CompletableFuture in project streamsupport by stefan-zobel.

the class CompletableFutureTest method testAcceptEither_actionFailed.

/**
 * acceptEither result completes exceptionally if action does
 */
public void testAcceptEither_actionFailed() {
    for (ExecutionMode m : ExecutionMode.values()) for (Integer v1 : new Integer[] { 1, null }) for (Integer v2 : new Integer[] { 2, null }) {
        final CompletableFuture<Integer> f = new CompletableFuture<>();
        final CompletableFuture<Integer> g = new CompletableFuture<>();
        final FailingConsumer[] rs = new FailingConsumer[6];
        for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
        final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
        final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
        f.complete(v1);
        final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
        final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
        checkCompletedWithWrappedException(h0, rs[0].ex);
        checkCompletedWithWrappedException(h1, rs[1].ex);
        checkCompletedWithWrappedException(h2, rs[2].ex);
        checkCompletedWithWrappedException(h3, rs[3].ex);
        for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
        g.complete(v2);
        // unspecified behavior - both source completions available
        final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
        final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
        checkCompletedWithWrappedException(h4, rs[4].ex);
        assertTrue(Objects.equals(v1, rs[4].value) || Objects.equals(v2, rs[4].value));
        checkCompletedWithWrappedException(h5, rs[5].ex);
        assertTrue(Objects.equals(v1, rs[5].value) || Objects.equals(v2, rs[5].value));
        checkCompletedNormally(f, v1);
        checkCompletedNormally(g, v2);
    }
}

Example 22 with CompletableFuture

use of java8.util.concurrent.CompletableFuture in project streamsupport by stefan-zobel.

the class CompletableFutureTest method testRejectingExecutor.

/**
 * Test submissions to an executor that rejects all tasks.
 */
public void testRejectingExecutor() {
    for (Integer v : new Integer[] { 1, null }) {
        final CountingRejectingExecutor e = new CountingRejectingExecutor();
        final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
        final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
        List<CompletableFuture<?>> futures = new ArrayList<>();
        List<CompletableFuture<Integer>> srcs = new ArrayList<>();
        srcs.add(complete);
        srcs.add(incomplete);
        for (CompletableFuture<Integer> src : srcs) {
            List<CompletableFuture<?>> fs = new ArrayList<>();
            fs.add(src.thenRunAsync(() -> {
            }, e));
            fs.add(src.thenAcceptAsync(z -> {
            }, e));
            fs.add(src.thenApplyAsync(z -> z, e));
            fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
            fs.add(src.thenAcceptBothAsync(src, (x, y) -> {
            }, e));
            fs.add(src.runAfterBothAsync(src, () -> {
            }, e));
            fs.add(src.applyToEitherAsync(src, z -> z, e));
            fs.add(src.acceptEitherAsync(src, z -> {
            }, e));
            fs.add(src.runAfterEitherAsync(src, () -> {
            }, e));
            fs.add(src.thenComposeAsync(z -> null, e));
            fs.add(src.whenCompleteAsync((z, t) -> {
            }, e));
            fs.add(src.handleAsync((z, t) -> null, e));
            for (CompletableFuture<?> future : fs) {
                if (src.isDone())
                    checkCompletedWithWrappedException(future, e.ex);
                else
                    checkIncomplete(future);
            }
            futures.addAll(fs);
        }
        {
            List<CompletableFuture<?>> fs = new ArrayList<>();
            fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
            fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
            fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {
            }, e));
            fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {
            }, e));
            fs.add(complete.runAfterBothAsync(incomplete, () -> {
            }, e));
            fs.add(incomplete.runAfterBothAsync(complete, () -> {
            }, e));
            for (CompletableFuture<?> future : fs) checkIncomplete(future);
            futures.addAll(fs);
        }
        {
            List<CompletableFuture<?>> fs = new ArrayList<>();
            fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
            fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
            fs.add(complete.acceptEitherAsync(incomplete, z -> {
            }, e));
            fs.add(incomplete.acceptEitherAsync(complete, z -> {
            }, e));
            fs.add(complete.runAfterEitherAsync(incomplete, () -> {
            }, e));
            fs.add(incomplete.runAfterEitherAsync(complete, () -> {
            }, e));
            for (CompletableFuture<?> future : fs) checkCompletedWithWrappedException(future, e.ex);
            futures.addAll(fs);
        }
        incomplete.complete(v);
        for (CompletableFuture<?> future : futures) checkCompletedWithWrappedException(future, e.ex);
        assertEquals(futures.size(), e.count.get());
    }
}

Example 23 with CompletableFuture

use of java8.util.concurrent.CompletableFuture in project streamsupport by stefan-zobel.

the class CompletableFutureTest method testAcceptEither_exceptionalCompletion2.

public void testAcceptEither_exceptionalCompletion2() {
    for (ExecutionMode m : ExecutionMode.values()) for (boolean fFirst : new boolean[] { true, false }) for (Integer v1 : new Integer[] { 1, null }) {
        final CompletableFuture<Integer> f = new CompletableFuture<>();
        final CompletableFuture<Integer> g = new CompletableFuture<>();
        final CFException ex = new CFException();
        final NoopConsumer[] rs = new NoopConsumer[6];
        for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
        final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
        final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
        assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
        assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
        final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
        final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
        // unspecified behavior - both source completions available
        try {
            assertNull(h0.join());
            rs[0].assertValue(v1);
        } catch (CompletionException ok) {
            checkCompletedWithWrappedException(h0, ex);
            rs[0].assertNotInvoked();
        }
        try {
            assertNull(h1.join());
            rs[1].assertValue(v1);
        } catch (CompletionException ok) {
            checkCompletedWithWrappedException(h1, ex);
            rs[1].assertNotInvoked();
        }
        try {
            assertNull(h2.join());
            rs[2].assertValue(v1);
        } catch (CompletionException ok) {
            checkCompletedWithWrappedException(h2, ex);
            rs[2].assertNotInvoked();
        }
        try {
            assertNull(h3.join());
            rs[3].assertValue(v1);
        } catch (CompletionException ok) {
            checkCompletedWithWrappedException(h3, ex);
            rs[3].assertNotInvoked();
        }
        checkCompletedNormally(f, v1);
        checkCompletedExceptionally(g, ex);
    }
}

Example 24 with CompletableFuture

use of java8.util.concurrent.CompletableFuture in project streamsupport by stefan-zobel.

the class CompletableFutureTest method testCompleteAsync.

/**
 * completeAsync completes with value of given supplier
 */
public void testCompleteAsync() {
    for (Integer v1 : new Integer[] { 1, null }) {
        CompletableFuture<Integer> f = new CompletableFuture<>();
        f.completeAsync(() -> v1);
        f.join();
        checkCompletedNormally(f, v1);
    }
}

Example 25 with CompletableFuture

use of java8.util.concurrent.CompletableFuture in project opacclient by opacapp.

the class Open method parse_search.

protected SearchRequestResult parse_search(Document doc, int page) throws OpacErrorException {
    searchResultDoc = doc;
    if (doc.select("#Label1, span[id$=LblInfoMessage]").size() > 0) {
        String message = doc.select("#Label1, span[id$=LblInfoMessage]").text();
        if (message.contains("keine Treffer")) {
            return new SearchRequestResult(new ArrayList<SearchResult>(), 0, 1, page);
        } else {
            throw new OpacErrorException(message);
        }
    }
    int totalCount;
    if (doc.select("span[id$=TotalItemsLabel]").size() > 0) {
        totalCount = Integer.parseInt(doc.select("span[id$=TotalItemsLabel]").first().text().split("[ \\t\\xA0\\u1680\\u180e\\u2000-\\u200a\\u202f\\u205f\\u3000]")[0]);
    } else {
        throw new OpacErrorException(stringProvider.getString(StringProvider.UNKNOWN_ERROR));
    }
    Pattern idPattern = Pattern.compile("\\$(mdv|civ|dcv)(\\d+)\\$");
    Pattern weakIdPattern = Pattern.compile("(mdv|civ|dcv)(\\d+)[^\\d]");
    Elements elements = doc.select("div[id$=divMedium], div[id$=divComprehensiveItem], div[id$=divDependentCatalogue]");
    List<SearchResult> results = new ArrayList<>();
    int i = 0;
    List<CompletableFuture<Void>> futures = new ArrayList<>();
    for (Element element : elements) {
        final SearchResult result = new SearchResult();
        // Cover
        if (element.select("input[id$=mediumImage]").size() > 0) {
            result.setCover(element.select("input[id$=mediumImage]").first().attr("src"));
        } else if (element.select("img[id$=CoverView_Image]").size() > 0) {
            assignBestCover(result, getCoverUrlList(element.select("img[id$=CoverView_Image]").first()));
        }
        Element catalogueContent = element.select(".catalogueContent, .oclc-searchmodule-mediumview-content, .oclc-searchmodule-comprehensiveitemview-content, .oclc-searchmodule-dependentitemview-content").first();
        // Media Type
        if (catalogueContent.select("#spanMediaGrpIcon, .spanMediaGrpIcon").size() > 0) {
            String mediatype = catalogueContent.select("#spanMediaGrpIcon, .spanMediaGrpIcon").attr("class");
            if (mediatype.startsWith("itemtype ")) {
                mediatype = mediatype.substring("itemtype ".length());
            }
            SearchResult.MediaType defaulttype = defaulttypes.get(mediatype);
            if (defaulttype == null)
                defaulttype = SearchResult.MediaType.UNKNOWN;
            if (data.has("mediatypes")) {
                try {
                    result.setType(SearchResult.MediaType.valueOf(data.getJSONObject("mediatypes").getString(mediatype)));
                } catch (JSONException e) {
                    result.setType(defaulttype);
                }
            } else {
                result.setType(defaulttype);
            }
        } else {
            result.setType(SearchResult.MediaType.UNKNOWN);
        }
        // Text
        String title = catalogueContent.select("a[id$=LbtnShortDescriptionValue], a[id$=LbtnTitleValue]").text();
        String subtitle = catalogueContent.select("span[id$=LblSubTitleValue]").text();
        String author = catalogueContent.select("span[id$=LblAuthorValue]").text();
        String year = catalogueContent.select("span[id$=LblProductionYearValue]").text();
        String series = catalogueContent.select("span[id$=LblSeriesValue]").text();
        // Some libraries, such as Bern, have labels but no <span id="..Value"> tags
        int j = 0;
        for (Element div : catalogueContent.children()) {
            if (subtitle.equals("") && div.select("span").size() == 0 && j > 0 && j < 3) {
                subtitle = div.text().trim();
            }
            if (author.equals("") && div.select("span[id$=LblAuthor]").size() == 1) {
                author = div.text().trim();
                if (author.contains(":")) {
                    author = author.split(":")[1];
                }
            }
            if (year.equals("") && div.select("span[id$=LblProductionYear]").size() == 1) {
                year = div.text().trim();
                if (year.contains(":")) {
                    year = year.split(":")[1];
                }
            }
            j++;
        }
        StringBuilder text = new StringBuilder();
        text.append("<b>").append(title).append("</b>");
        if (!subtitle.equals(""))
            text.append("<br/>").append(subtitle);
        if (!author.equals(""))
            text.append("<br/>").append(author);
        if (!year.equals(""))
            text.append("<br/>").append(year);
        if (!series.equals(""))
            text.append("<br/>").append(series);
        result.setInnerhtml(text.toString());
        // ID
        Matcher matcher = idPattern.matcher(element.html());
        if (matcher.find()) {
            result.setId(matcher.group(2));
        } else {
            matcher = weakIdPattern.matcher(element.html());
            if (matcher.find()) {
                result.setId(matcher.group(2));
            }
        }
        // Availability
        if (result.getId() != null) {
            String url = opac_url + "/DesktopModules/OCLC.OPEN.PL.DNN.SearchModule/SearchService" + ".asmx/GetAvailability";
            String culture = element.select("input[name$=culture]").val();
            JSONObject data = new JSONObject();
            try {
                // Determine portalID value
                int portalId = 1;
                for (Element scripttag : doc.select("script")) {
                    String scr = scripttag.html();
                    if (scr.contains("LoadSharedCatalogueViewAvailabilityAsync")) {
                        Pattern portalIdPattern = Pattern.compile(".*LoadSharedCatalogueViewAvailabilityAsync\\([^,]*,[^,]*," + "[^0-9,]*([0-9]+)[^0-9,]*,.*\\).*");
                        Matcher portalIdMatcher = portalIdPattern.matcher(scr);
                        if (portalIdMatcher.find()) {
                            portalId = Integer.parseInt(portalIdMatcher.group(1));
                        }
                    }
                }
                data.put("portalId", portalId).put("mednr", result.getId()).put("culture", culture).put("requestCopyData", false).put("branchFilter", "");
                RequestBody entity = RequestBody.create(MEDIA_TYPE_JSON, data.toString());
                futures.add(asyncPost(url, entity, false).handle((response, throwable) -> {
                    if (throwable != null)
                        return null;
                    try {
                        JSONObject availabilityData = new JSONObject(response.body().string());
                        String isAvail = availabilityData.getJSONObject("d").getString("IsAvail");
                        switch(isAvail) {
                            case "true":
                                result.setStatus(SearchResult.Status.GREEN);
                                break;
                            case "false":
                                result.setStatus(SearchResult.Status.RED);
                                break;
                            case "digital":
                                result.setStatus(SearchResult.Status.UNKNOWN);
                                break;
                        }
                    } catch (JSONException | IOException e) {
                        e.printStackTrace();
                    }
                    return null;
                }));
            } catch (JSONException e) {
                e.printStackTrace();
            }
        }
        result.setNr(i);
        results.add(result);
    }
    CompletableFuture.allOf(futures.toArray(new CompletableFuture[futures.size()])).join();
    return new SearchRequestResult(results, totalCount, page);
}