Example usage for java.util.function Consumer accept

Introduction

In this page you can find the example usage for java.util.function Consumer accept.

Prototype

void accept(T t);

Source Link

Document

Performs this operation on the given argument.

Usage

From source file:com.ikanow.aleph2.graph.titan.services.TitanGraphBuilderEnrichmentService.java

protected void tryRecoverableTransaction(final Consumer<TitanTransaction> transaction,
        final Runnable on_success) {
    final Random random_generator = new Random(java.util.UUID.randomUUID().getMostSignificantBits());
    IntStream.range(0, 1 + _MAX_ATTEMPT_NUM).boxed().filter(i -> { //(at most 5 attempts)
        try {//from  w  w w  . java 2  s  .c o  m
            // Create transaction

            /**/
            //TRACE
            System.err.println(new java.util.Date().toString() + ": GRABBING TRANS " + i);

            final TitanTransaction mutable_tx = _titan.get().newTransaction();

            /**/
            //TRACE
            System.err.println(
                    new java.util.Date().toString() + ": GRABBED TRANS " + i + " toS=" + mutable_tx.toString());

            try {
                transaction.accept(mutable_tx);
            } catch (Exception e) { //(close the transaction without saving)
                /**/
                //TRACE
                System.err.println(new java.util.Date().toString() + ": (ERROR) ROLLING BACK TRANS " + i);

                mutable_tx.rollback();
                throw e;
            }

            /**/
            //TRACE
            System.err.println(new java.util.Date().toString() + ": COMMITTING TRANS " + i + " tx="
                    + mutable_tx.hasModifications() + " open=" + mutable_tx.isOpen() + " toS="
                    + mutable_tx.toString());

            // Attempt to commit
            mutable_tx.commit();

            /**/
            //TRACE
            System.err.println(new java.util.Date().toString() + ": COMMITTED TRANS " + i);

            on_success.run();

            return true; // (ie ends the loop)
        } catch (TitanException e) {
            if ((i >= _MAX_ATTEMPT_NUM) || !isRecoverableError(e)) {

                /**/
                //DEBUG
                System.err.println(new java.util.Date().toString() + ": HERE2 NON_RECOV: " + i + " vs "
                        + _MAX_ATTEMPT_NUM + ErrorUtils.getLongForm(" error={0}", e));
                //e.printStackTrace();               

                _logger.optional().ifPresent(logger -> {
                    logger.log(Level.ERROR, ErrorUtils.lazyBuildMessage(false,
                            () -> "GraphBuilderEnrichmentService", () -> "system.onStageComplete", () -> null,
                            () -> ErrorUtils.getLongForm(
                                    "Failed to commit transaction due to local conflicts, attempt_num={1} error={0} (uuid={2})",
                                    e, i, UUID),
                            () -> null));
                });
                throw e;
            }

            // If we're here, we're going to retry the transaction

            /**/
            //DEBUG
            System.err.println(new java.util.Date().toString() + ": HERE3 RECOVERABLE"
                    + ErrorUtils.getLongForm(" error={0}", e));

            final int min_sleep_time = _BACKOFF_TIMES_MS[i] / 2;
            final int sleep_time = min_sleep_time + random_generator.nextInt(min_sleep_time);

            _logger.optional().ifPresent(logger -> {
                logger.log(Level.DEBUG, ErrorUtils.lazyBuildMessage(false,
                        () -> "GraphBuilderEnrichmentService", () -> "system.onStageComplete", () -> null,
                        () -> ErrorUtils.get(
                                "Failed to commit transaction due to local conflicts, attempt_num={0} (uuid={1} sleep_ms={2})",
                                i, UUID, sleep_time),
                        () -> null));
            });

            try {
                Thread.sleep(sleep_time);
            } catch (Exception interrupted) {
            }
            return false;

            // (If it's a versioning conflict then try again)
        }
        /**/
        //TRACE:
        catch (Throwable x) {
            System.err.println(new java.util.Date().toString() + ": HERE1 OTHER ERR"
                    + ErrorUtils.getLongForm(" error={0}", x));
            //x.printStackTrace();
            throw x;
        }
    }).findFirst() // ie stop as soon as we have successfully transacted
    ;
}

---

From source file:org.onosproject.store.primitives.impl.CopycatTransportServer.java

private void listen(Address address, Consumer<Connection> listener, ThreadContext context) {
    messagingService.registerHandler(messageSubject, (sender, payload) -> {
        try (DataInputStream input = new DataInputStream(new ByteArrayInputStream(payload))) {
            long connectionId = input.readLong();
            AtomicBoolean newConnectionCreated = new AtomicBoolean(false);
            CopycatTransportConnection connection = connections.computeIfAbsent(connectionId, k -> {
                newConnectionCreated.set(true);
                CopycatTransportConnection newConnection = new CopycatTransportConnection(connectionId,
                        CopycatTransport.Mode.SERVER, partitionId, CopycatTransport.toAddress(sender),
                        messagingService, getOrCreateContext(context));
                log.debug("Created new incoming connection {}", connectionId);
                newConnection.closeListener(c -> connections.remove(connectionId, c));
                return newConnection;
            });//w w w.  j  a  v a  2  s  .  c o m
            byte[] request = IOUtils.toByteArray(input);
            return CompletableFuture.supplyAsync(() -> {
                if (newConnectionCreated.get()) {
                    listener.accept(connection);
                }
                return connection;
            }, context.executor()).thenCompose(c -> c.handle(request));
        } catch (IOException e) {
            return Tools.exceptionalFuture(e);
        }
    });
    context.execute(() -> {
        listenFuture.complete(null);
    });
}

---

From source file:org.kie.server.services.impl.KieServerImpl.java

/**
 * Persists updated KieServer state./*  w w w  . ja  va 2 s. c  o m*/
 * @param kieServerStateConsumer
 */
private void storeServerState(Consumer<KieServerState> kieServerStateConsumer) {
    KieServerState currentState = repository.load(KieServerEnvironment.getServerId());
    kieServerStateConsumer.accept(currentState);
    repository.store(KieServerEnvironment.getServerId(), currentState);
}

---

From source file:org.elasticsearch.client.RequestConvertersTests.java

private static void setRandomRefreshPolicy(Consumer<WriteRequest.RefreshPolicy> setter,
        Map<String, String> expectedParams) {
    if (randomBoolean()) {
        WriteRequest.RefreshPolicy refreshPolicy = randomFrom(WriteRequest.RefreshPolicy.values());
        setter.accept(refreshPolicy);
        if (refreshPolicy != WriteRequest.RefreshPolicy.NONE) {
            expectedParams.put("refresh", refreshPolicy.getValue());
        }/*from ww w  .j a v a 2 s .  co m*/
    }
}

---

From source file:org.elasticsearch.client.RequestConvertersTests.java

/**
 * Randomize the {@link FetchSourceContext} request parameters.
 *///w  w  w.ja  v  a 2  s.  c om
private static void randomizeFetchSourceContextParams(Consumer<FetchSourceContext> consumer,
        Map<String, String> expectedParams) {
    if (randomBoolean()) {
        if (randomBoolean()) {
            boolean fetchSource = randomBoolean();
            consumer.accept(new FetchSourceContext(fetchSource));
            if (fetchSource == false) {
                expectedParams.put("_source", "false");
            }
        } else {
            int numIncludes = randomIntBetween(0, 5);
            String[] includes = new String[numIncludes];
            String includesParam = randomFields(includes);
            if (numIncludes > 0) {
                expectedParams.put("_source_include", includesParam);
            }
            int numExcludes = randomIntBetween(0, 5);
            String[] excludes = new String[numExcludes];
            String excludesParam = randomFields(excludes);
            if (numExcludes > 0) {
                expectedParams.put("_source_exclude", excludesParam);
            }
            consumer.accept(new FetchSourceContext(true, includes, excludes));
        }
    }
}

---

From source file:acmi.l2.clientmod.l2smr.Controller.java

protected void longTask(Task task, Consumer<Throwable> exceptionHandler) {
    executor.execute(() -> {/*from   w w w .j ava 2s. c o  m*/
        Platform.runLater(() -> {
            progress.setProgress(-1);
            progress.setVisible(true);
        });

        try {
            task.run(value -> Platform.runLater(() -> progress.setProgress(value)));
        } catch (Throwable t) {
            exceptionHandler.accept(t);
        } finally {
            Platform.runLater(() -> progress.setVisible(false));
        }
    });
}

---

From source file:org.diorite.impl.CoreMain.java

public static OptionSet main(final String[] args, final boolean client, final Consumer<OptionParser> addon) {
    final OptionParser parser = new OptionParser() {
        {/*from  w  ww.  j av  a  2s  .c o m*/
            this.acceptsAll(Collections.singletonList("?"), "Print help");
            this.acceptsAll(Arrays.asList("v", "version"), "Print version");
            this.acceptsAll(Collections.singletonList("debug"), "Enable debug mode");
            this.acceptsAll(Arrays.asList("resourceleakdetector", "rld"),
                    "ResourceLeakDetector level, disabled by default").withRequiredArg().ofType(String.class)
                    .describedAs("rld").defaultsTo(ResourceLeakDetector.Level.DISABLED.name());
            this.acceptsAll(Arrays.asList("p", "port", "server-port"), "Port to listen on").withRequiredArg()
                    .ofType(Integer.class).describedAs("port").defaultsTo(Core.DEFAULT_PORT);
            this.acceptsAll(Arrays.asList("hostname", "h"), "hostname to listen on").withRequiredArg()
                    .ofType(String.class).describedAs("hostname").defaultsTo("localhost");
            this.acceptsAll(Arrays.asList("online-mode", "online", "o"), "is server should be in online-mode")
                    .withRequiredArg().ofType(Boolean.class).describedAs("online").defaultsTo(true);
            this.acceptsAll(Collections.singletonList("config"), "Configuration file to use.").withRequiredArg()
                    .ofType(File.class).describedAs("config").defaultsTo(new File("diorite.yml"));
            this.acceptsAll(Arrays.asList("keepalivetimer", "keep-alive-timer", "kat"),
                    "Each x seconds server will send keep alive packet to players").withRequiredArg()
                    .ofType(Integer.class).describedAs("keepalivetimer").defaultsTo(10);
            this.acceptsAll(Arrays.asList("netty", "netty-threads"), "Amount of netty event loop threads.")
                    .withRequiredArg().ofType(Integer.class).describedAs("netty").defaultsTo(4);
            this.acceptsAll(Collections.singletonList("noconsole"), "Disables the console");
        }
    };
    if (addon != null) {
        addon.accept(parser);
    }
    OptionSet options;
    try {
        options = parser.parse(args);
    } catch (final Exception e) {
        e.printStackTrace();
        options = parser.parse(ArrayUtils.EMPTY_STRING_ARRAY);
    }
    final InitResult result = init(options, client);
    switch (result) {
    case HELP:
        try {
            parser.printHelpOn(System.out);
        } catch (final IOException e) {
            e.printStackTrace();
        }
        return null;
    case VERSION:
        System.out.println("Diorite version: " + DioriteCore.class.getPackage().getImplementationVersion()
                + " (MC: " + Core.getMinecraftVersion() + ")");
        return null;
    case RUN:
        return options;
    default:
        return null;
    }
}

---

From source file:org.eclipse.packagedrone.utils.rpm.build.RpmBuilder.java

private void addResult(final PathName targetName, final Result result, final Consumer<FileEntry> customizer) {
    final FileEntry entry = new FileEntry();

    // set basic file attributes

    entry.setSize(result.getSize());//w  w w. j  a  v a2 s . co m
    entry.setTargetSize(result.getSize());
    entry.setDigest(result.getSha1() != null ? Rpms.toHex(result.getSha1()).toLowerCase() : "");
    entry.setTargetName(targetName);

    // run customizer

    if (customizer != null) {
        customizer.accept(entry);
    }

    // record file entry

    this.files.put(targetName.toString(), entry);
}

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From source file:de.fosd.jdime.artifact.file.FileArtifact.java

/**
 * Uses {@link #getJavaFiles()} and applies the given <code>Consumer</code> to every resulting
 * <code>FileArtifact</code> after it being parsed to an <code>ASTNodeArtifact</code>. If an
 * <code>IOException</code> occurs getting the files the method will immediately return. If an
 * <code>IOException</code> occurs parsing a file to an <code>ASTNodeArtifact</code> it will be skipped.
 *
 * @param cons/*  w  ww.j a  v a  2  s  .  co  m*/
 *         the <code>Consumer</code> to apply
 */
private void forAllJavaFiles(Consumer<ASTNodeArtifact> cons) {

    for (FileArtifact child : getJavaFiles()) {
        ASTNodeArtifact childAST;

        try {
            childAST = new ASTNodeArtifact(child);
        } catch (RuntimeException e) {
            LOG.log(Level.WARNING, e, () -> {
                String format = "Could not construct an ASTNodeArtifact from %s. No statistics will be collected for it.";
                return String.format(format, child);
            });

            continue;
        }

        cons.accept(childAST);
    }
}

---

From source file:org.geoserver.opensearch.rest.AbstractOpenSearchController.java

protected SimpleFeature mapFeatureToSimple(Feature f, SimpleFeatureType targetSchema,
        Consumer<SimpleFeatureBuilder> extraValueBuilder) {
    SimpleFeatureBuilder fb = new SimpleFeatureBuilder(targetSchema);
    List<AttributeDescriptor> attributeDescriptors = targetSchema.getAttributeDescriptors();
    String identifier = f.getIdentifier().getID();
    for (AttributeDescriptor ad : attributeDescriptors) {
        Name sourceName = (Name) ad.getUserData().get(SOURCE_NAME);
        Property p = f.getProperty(sourceName);
        if (p != null) {
            Object value = p.getValue();
            if (value != null) {
                fb.set(ad.getLocalName(), value);
                if (("eo:identifier".equals(ad.getLocalName()) || "eop:identifier".equals(ad.getLocalName()))
                        && value instanceof String) {
                    identifier = (String) value;
                }/*  ww  w  . j a v  a  2s.  c  o  m*/
            }
        }
    }
    extraValueBuilder.accept(fb);

    return fb.buildFeature(identifier);
}

---

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