Example usage for java.util.stream IntStream range

List of usage examples for java.util.stream IntStream range

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Introduction

In this page you can find the example usage for java.util.stream IntStream range.

Prototype

public static IntStream range(int startInclusive, int endExclusive)

Source Link

Document

Returns a sequential ordered IntStream from startInclusive (inclusive) to endExclusive (exclusive) by an incremental step of 1 .

Usage

From source file:org.adriss.bucketpool.BucketFactory.java

private void initClusters(int clusterAmount) {
    logger.info("Initializing {} clusters", clusterAmount);
    IntStream.range(0, clusterAmount).forEach(nbr -> {
        WrappedCluster cluster = new WrappedCluster(CouchbaseCluster.create(this.environment, this.nodes),
                this.name);
        logger.debug("Created [{}] cluster", cluster);
        this.unusedClusters.offer(cluster);
    });/*from  w w  w  .  ja v a  2 s. c o  m*/
    logger.info("Initialized {} clusters", clusterAmount);
}

From source file:org.lightjason.agentspeak.beliefbase.TestCView.java

/**
 * random test tree structure/*from  w  w w .  ja va 2s  . co  m*/
 */
@Test
public final void testTree() {
    final int l_max = 1000;
    final IView<IAgent<?>> l_beliefbase = new CBeliefbasePersistent<>(new CMultiStorage<>()).create("root");
    final IViewGenerator<IAgent<?>> l_gen = new CGenerator();

    IntStream.range(0, l_max).boxed()
            .map(i -> CLiteral.from(RandomStringUtils.random(12, "~abcdefghijklmnopqrstuvwxyz/".toCharArray())))
            .forEach(i -> l_beliefbase.generate(l_gen, i.functorpath()).add(i));

    assertEquals("number of beliefs is incorrect", l_beliefbase.size(), l_max);
    System.out.println(l_beliefbase);
}

From source file:com.vsthost.rnd.jdeoptim.utils.Utils.java

/**
 * Creates an Integer sequence starting with 0 and sized given length.
 *
 * @param length The length of the sequence.
 * @return A sequence starting with 0 and ending with <code>length - 1</code>.
 *///from   w w w.  j a va2 s. com
public static int[] sequence(int length) {
    return IntStream.range(0, length).toArray();
}

From source file:kishida.cnn.layers.MaxPoolingLayer.java

@Override
public float[] backward(float[] in, float[] delta) {
    Arrays.fill(newDelta, 0);//from   ww w  .j  a va 2s  .com
    IntStream.range(0, inputChannels).parallel().forEach(ch -> {
        for (int x = 0; x < outputWidth; ++x) {
            for (int y = 0; y < outputHeight; ++y) {
                float max = Float.NEGATIVE_INFINITY;
                int maxX = 0;
                int maxY = 0;
                for (int i = 0; i < size; ++i) {
                    int xx = x * stride + i - size / 2;
                    if (xx < 0 || xx >= inputWidth) {
                        continue;
                    }
                    for (int j = 0; j < size; ++j) {
                        int yy = y * stride + j - size / 2;
                        if (yy < 0 || yy >= inputHeight) {
                            continue;
                        }
                        float d = in[ch * inputWidth * inputHeight + xx * inputWidth + yy];
                        if (max < d) {
                            max = d;
                            maxX = xx;
                            maxY = yy;
                        }
                    }
                }
                int chxy = ch * outputWidth * outputHeight + x * outputHeight + y;
                newDelta[ch * inputWidth * inputHeight + maxX * inputHeight + maxY] += delta[chxy];
            }
        }
    });
    return newDelta;
}

From source file:nova.minecraft.wrapper.mc.forge.v18.wrapper.redstone.backward.BWRedstone.java

@Override
public int getOutputWeakPower() {
    BlockPos pos = new BlockPos(block().x(), block().y(), block().z());
    return IntStream.range(0, 6).map(side -> block().mcBlock.isProvidingWeakPower(mcWorld(), pos,
            mcWorld().getBlockState(pos), EnumFacing.values()[side])).max().orElse(0);
}

From source file:org.apache.samza.tools.benchmark.SystemConsumerWithSamzaBench.java

@Override
public void addMoreSystemConfigs(Properties props) {
    props.put("app.runner.class", LocalApplicationRunner.class.getName());
    List<Integer> partitions = IntStream.range(startPartition, endPartition).boxed()
            .collect(Collectors.toList());
    props.put(ApplicationConfig.APP_NAME, "SamzaBench");
    props.put(JobConfig.PROCESSOR_ID(), "1");
    props.put(JobCoordinatorConfig.JOB_COORDINATOR_FACTORY, PassthroughJobCoordinatorFactory.class.getName());
    props.put(String.format(ConfigBasedSspGrouperFactory.CONFIG_STREAM_PARTITIONS, streamId),
            Joiner.on(",").join(partitions));
    props.put(TaskConfig.GROUPER_FACTORY(), ConfigBasedSspGrouperFactory.class.getName());
}

From source file:nova.minecraft.wrapper.mc.forge.v1_11.wrapper.redstone.backward.BWRedstone.java

@Override
public int getOutputWeakPower() {
    BlockPos pos = new BlockPos(block().x(), block().y(), block().z());
    return IntStream.range(0, 6)
            .map(side -> mcWorld().getBlockState(pos).getWeakPower(mcWorld(), pos, EnumFacing.values()[side]))
            .max().orElse(0);//  w ww.j a  v  a2s  . c  om
}

From source file:org.jbpm.xes.EvaluationExport.java

@Test
@Ignore//from w w  w .  ja v  a2 s  . c o  m
public void exportProcess() throws Exception {
    //users
    final String administrator = "Administrator";

    // create runtime manager with single process - hello.bpmn
    createRuntimeManager("evaluation.bpmn");

    // take RuntimeManager to work with process engine
    RuntimeEngine runtimeEngine = getRuntimeEngine();

    // get access to KieSession instance
    KieSession ksession = runtimeEngine.getKieSession();

    List<Long> pIds = new ArrayList<>();

    int instances = 100;

    IntStream.range(0, instances).forEach(i -> {
        Map<String, Object> vars = new HashMap<>();
        vars.put("employee", administrator);
        vars.put("reason", "test instance " + i);
        vars.put("performance", RandomUtils.nextInt(0, 11));

        // start process
        ProcessInstance processInstance = ksession.startProcess("evaluation", vars);

        // check whether the process instance has completed successfully
        assertProcessInstanceActive(processInstance.getId(), ksession);

        pIds.add(processInstance.getId());
    });

    final TaskService taskService = getRuntimeEngine().getTaskService();
    final List<TaskSummary> tasks = taskService.getTasksAssignedAsBusinessAdministrator(administrator, null);
    final ExecutorService executorService = Executors.newFixedThreadPool(5);
    CountDownLatch count = new CountDownLatch(instances * 3);
    tasks.forEach(t -> {
        executorService.submit(() -> {
            taskService.start(t.getId(), administrator);
            try {
                Thread.sleep(2 * 1000);
            } catch (Exception ex) {
            }
            taskService.complete(t.getId(), administrator, null);
            count.countDown();
            taskService.getTasksByProcessInstanceId(t.getProcessInstanceId()).stream()
                    .filter(newTaskId -> newTaskId.equals(t.getId()) == false).forEach(taskId -> {
                        executorService.submit(() -> {
                            final Task task = taskService.getTaskById(taskId);
                            final String userId = "HR Evaluation".equals(task.getName()) ? "mary" : "john";
                            taskService.claim(taskId, userId);
                            taskService.start(taskId, userId);
                            if ("HR Evaluation".equals(task.getName())) {
                                try {
                                    Thread.sleep(4 * 1000);
                                } catch (Exception ex) {
                                }
                            } else {
                                try {
                                    Thread.sleep(2 * 1000);
                                } catch (Exception ex) {
                                }
                            }
                            taskService.complete(taskId, userId, null);

                            count.countDown();
                        });
                    });
        });
    });

    count.await();
    executorService.shutdown();
    executorService.awaitTermination(1, TimeUnit.MINUTES);

    pIds.forEach(id -> assertProcessInstanceCompleted(id));

    DataSetService dataSetService = new DataSetServiceImpl(() -> xesDataSource);
    XESExportServiceImpl service = new XESExportServiceImpl();
    service.setDataSetService(dataSetService);
    final String xml = service.export(XESProcessFilter.builder().withProcessId("evaluation").build());

    FileUtils.write(new File("evaluation.xes"), xml);
}

From source file:com.cyc.tool.distributedrepresentations.Word2VecSpaceFromFile.java

/**
 * Create a W2V space in a DB.// w w w  .j  av a  2  s  .  c  om
 * 
 * @param w2vZipFile
 * @throws FileNotFoundException
 * @throws IOException
 */
protected final void createW2VinDB(String w2vZipFile) throws FileNotFoundException, IOException {
    try (DataInputStream data_in = new DataInputStream(
            new GZIPInputStream(new FileInputStream(new File(w2vZipFile))))) {
        getWordsAndSize(data_in);
        if (vectors.size() == words) {
            System.out.println("Word2Vec is in DB");
        } else {
            System.out.println("DB Size:" + vectors.size());

            System.out.println("Want to read Word Count: " + words);
            System.out.println("Size:" + getSize());
            for (int w = 0; w < words; w++) {
                float[] v = new float[getSize()];
                String key = getVocabString(data_in);
                System.out.println(w + ":\t" + key);

                IntStream.range(0, getSize()).forEach(i -> v[i] = getFloat(data_in));
                vectors.put(key, normVector(v));
                if (w % 100000 == 1) {
                    db.commit();
                }
            }
            db.commit();
            db.compact();
        }
    }
}

From source file:com.wrmsr.search.dsl.util.DerivedSuppliers.java

public static <T> Class<? extends Supplier<T>> compile(java.lang.reflect.Method target,
        ClassLoader parentClassLoader) throws ReflectiveOperationException {
    checkArgument((target.getModifiers() & STATIC.getModifier()) > 0);
    List<TargetParameter> targetParameters = IntStream.range(0, target.getParameterCount()).boxed()
            .map(i -> new TargetParameter(target, i)).collect(toImmutableList());

    java.lang.reflect.Type targetReturnType = target.getGenericReturnType();
    java.lang.reflect.Type suppliedType = boxType(targetReturnType);
    checkArgument(suppliedType instanceof Class);

    ClassDefinition classDefinition = new ClassDefinition(a(PUBLIC, FINAL),
            CompilerUtils.makeClassName(
                    "DerivedSupplier__" + target.getDeclaringClass().getName() + "__" + target.getName()),
            type(Object.class), type(Supplier.class, fromReflectType(suppliedType)));

    targetParameters.forEach(p -> classDefinition.addField(a(PRIVATE, FINAL), p.name,
            type(Supplier.class, p.parameterizedBoxedType)));
    Map<String, FieldDefinition> classFieldDefinitionMap = classDefinition.getFields().stream()
            .collect(toImmutableMap(f -> f.getName(), f -> f));

    compileConstructor(classDefinition, classFieldDefinitionMap, targetParameters);
    compileGetter(classDefinition, classFieldDefinitionMap, target, targetParameters);

    Class clazz = defineClass(classDefinition, Object.class, ImmutableMap.of(),
            new DynamicClassLoader(parentClassLoader));
    return clazz;
}