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:eu.amidst.core.exponentialfamily.EF_Normal_NormalParents2.java

/**
 * {@inheritDoc}// w ww  .j av  a  2s .  c  o  m
 */
@Override
public double getExpectedLogNormalizer(Map<Variable, MomentParameters> momentParents) {
    CompoundVector globalNaturalParameters = (CompoundVector) this.naturalParameters;
    double logNorm = -0.5 * Math.log(-2 * globalNaturalParameters.getTheta_Minus1());

    double[] Yarray = new double[nOfParents];
    double[] YYarray = new double[nOfParents];

    for (int i = 0; i < nOfParents; i++) {
        Yarray[i] = momentParents.get(this.getConditioningVariables().get(i)).get(0);
        YYarray[i] = momentParents.get(this.getConditioningVariables().get(i)).get(1);
    }
    RealVector Y = new ArrayRealVector(Yarray);

    logNorm -= globalNaturalParameters.getTheta_beta0BetaRV().dotProduct(new ArrayRealVector(Y));

    RealMatrix YY = Y.outerProduct(Y);
    for (int i = 0; i < nOfParents; i++) {
        YY.setEntry(i, i, YYarray[i]);
    }

    logNorm -= IntStream.range(0, nOfParents).mapToDouble(p -> {
        return globalNaturalParameters.getTheta_BetaBetaRM().getRowVector(p).dotProduct(YY.getRowVector(p));
    }).sum();

    logNorm -= Math.pow(globalNaturalParameters.getTheta_beta0(), 2)
            / (4 * globalNaturalParameters.getTheta_Minus1());

    return logNorm;
}

From source file:com.netflix.imfutility.itunes.audio.ChannelsMapper.java

private List<Pair<SequenceUUID, Integer>> guessChannelsByOrder(LayoutType layoutType) {
    List<Pair<SequenceUUID, Integer>> channels = channelsByOrder.stream()
            .limit(channelsByOrder.size() >= layoutType.maxSize ? layoutType.maxSize : layoutType.minSize)
            .collect(Collectors.toList());

    // not enough channels for layout
    if (channels.size() < layoutType.minSize) {
        return new ArrayList<>();
    }/*  w  w w. ja  va 2 s.com*/

    // add used channels for correct layout definition
    // for Surround -> Lt=FL, Rt=FR
    // for Stereo -> L=FC, R=FC (stereo from two monos)
    IntStream.range(0, layoutType.maxSize - channels.size()).mapToObj(channels::get).forEach(channels::add);
    return channels;
}

From source file:org.lightjason.agentspeak.action.builtin.TestCActionStorage.java

/**
 * test exists action without keys//from  w w w.  jav  a  2s.  com
 */
@Test
public final void existswithoutkeys() {
    Assume.assumeNotNull(m_context);

    final List<ITerm> l_content = IntStream.range(0, 100).mapToObj(i -> RandomStringUtils.random(25))
            .peek(i -> m_context.agent().storage().put(i, RandomStringUtils.random(5))).map(CRawTerm::from)
            .collect(Collectors.toList());

    final List<ITerm> l_return = new ArrayList<>();
    new CExists().execute(false, m_context, l_content, l_return);

    Assert.assertEquals(l_return.size(), 100);
    Assert.assertTrue(l_return.stream().allMatch(ITerm::<Boolean>raw));
}

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

/**
 * Constructs a new virtual {@link FileArtifact} representing a non-existent {@link File} with a generated name. The
 * new {@link FileArtifact} will always have the number 0.
 *
 * @param revision/*  w w w  .j  a v a  2s  . c om*/
 *         the {@link Revision} the artifact belongs to
 * @param type
 *         the virtual type for the {@link FileArtifact}, must be one of {@link FileType#FILE} or
 *         {@link FileType#DIR}
 */
public FileArtifact(Revision revision, FileType type) {
    super(revision, 0);

    this.type = type;
    this.original = null;

    File tempDir = FileUtils.getTempDirectory();
    IntFunction<File> toFile;

    if (type == FileType.DIR) {
        toFile = n -> {
            synchronized (virtualNameSupplier) {
                return new File(tempDir, "VirtualDirectory_" + virtualNameSupplier.get());
            }
        };
    } else {
        toFile = n -> {
            synchronized (virtualNameSupplier) {
                return new File(tempDir, "VirtualFile_" + virtualNameSupplier.get());
            }
        };
    }

    this.file = IntStream.range(0, Integer.MAX_VALUE).mapToObj(toFile).filter(f -> !f.exists()).findFirst()
            .orElseThrow(() -> new AbortException(
                    "Could not find an available file name for the virtual file or directory."));
}

From source file:fi.hsl.parkandride.itest.AbstractReportingITest.java

protected List<String> getSheetNames(Workbook workbook) {
    return IntStream.range(0, workbook.getNumberOfSheets()).mapToObj(i -> workbook.getSheetName(i))
            .collect(toList());/*from  w ww . jav a2s  .c o m*/
}

From source file:org.ligoj.app.plugin.vm.aws.VmAwsPluginResource.java

/**
 * Build described beans from a XML result.
 *///from  www .  j  a  v  a  2  s . c o  m
private List<AwsVm> toVms(final String vmAsXml, final Function<Element, AwsVm> parser) throws Exception {
    final NodeList items = xml.getXpath(vmAsXml,
            "/DescribeInstancesResponse/reservationSet/item/instancesSet/item");
    return IntStream.range(0, items.getLength()).mapToObj(items::item).map(n -> parser.apply((Element) n))
            .collect(Collectors.toList());
}

From source file:com.hengyi.japp.print.client.controller.MdController.java

@FXML
private void handleAutoXd() {
    try {/*  w  ww .j  a  v a2  s .  co  m*/
        MdValidate.checkMdInput(md);
        md.xdsProperty().clear();
        md.setXds(FXCollections.observableArrayList(IntStream.range(0, md.getZcanmge()).mapToObj(i -> {
            Xd xd = new Xd();
            xd.zboxsnrProperty().set(i + 1);
            xd.sapYmmmachProperty().bind(md.sapYmmmachProperty());
            xd.zrolmgeProperty().bind(md.zrolmgeProperty());
            return xd;
        }).collect(Collectors.toList())));
        if (md.getZdzflg()) {
            zsgwghtColumn.setEditable(false);
            md.getXds().forEach(xd -> {
                xd.zsnwghtProperty().bind(md.zcnwghtProperty());
                xd.zsgwghtProperty().bind(new ObjectBinding<BigDecimal>() {
                    {
                        bind(xd.zsnwghtProperty(), xd.zrolmgeProperty(), md.sapYmmzhixProperty(),
                                md.sapYmmtonggProperty());
                    }

                    @Override
                    protected BigDecimal computeValue() {
                        return xd.getZsnwght().add(tareF.apply(md, xd));
                    }
                });
            });
        } else {
            zsgwghtColumn.setEditable(true);
            md.getXds().forEach(xd -> {
                xd.zsnwghtProperty().bind(new ObjectBinding<BigDecimal>() {
                    {
                        bind(xd.zsgwghtProperty(), xd.zrolmgeProperty(), md.sapYmmzhixProperty(),
                                md.sapYmmtonggProperty());
                    }

                    @Override
                    protected BigDecimal computeValue() {
                        return xd.getZsgwght().add(tareF.apply(md, xd).negate());
                    }
                });
            });
        }
        md.zsgwghtProperty().bind(new ObjectBinding<BigDecimal>() {
            {
                md.getXds().forEach(xd -> bind(xd.zsgwghtProperty()));
            }

            @Override
            protected BigDecimal computeValue() {
                BigDecimal result = BigDecimal.ZERO;
                for (Xd xd : md.getXds()) {
                    result = result.add(xd.getZsgwght());
                }
                return result;
            }
        });
        md.zsnwghtProperty().bind(new ObjectBinding<BigDecimal>() {
            {
                md.getXds().forEach(xd -> bind(xd.zsnwghtProperty()));
            }

            @Override
            protected BigDecimal computeValue() {
                BigDecimal result = BigDecimal.ZERO;
                for (Xd xd : md.getXds()) {
                    result = result.add(xd.getZsnwght());
                }
                return result;
            }
        });
    } catch (AppException e) {
        Util.alertDialog(e);
    }
}

From source file:org.apache.hadoop.hbase.client.TestAsyncTable.java

@Test
public void testCheckAndDelete() throws InterruptedException, ExecutionException {
    AsyncTableBase table = getTable.get();
    int count = 10;
    CountDownLatch putLatch = new CountDownLatch(count + 1);
    table.put(new Put(row).addColumn(FAMILY, QUALIFIER, VALUE)).thenRun(() -> putLatch.countDown());
    IntStream.range(0, count)
            .forEach(i -> table.put(new Put(row).addColumn(FAMILY, concat(QUALIFIER, i), VALUE))
                    .thenRun(() -> putLatch.countDown()));
    putLatch.await();/*w ww. j  av a2  s.c om*/

    AtomicInteger successCount = new AtomicInteger(0);
    AtomicInteger successIndex = new AtomicInteger(-1);
    CountDownLatch deleteLatch = new CountDownLatch(count);
    IntStream.range(0, count).forEach(i -> table
            .checkAndDelete(row, FAMILY, QUALIFIER, VALUE,
                    new Delete(row).addColumn(FAMILY, QUALIFIER).addColumn(FAMILY, concat(QUALIFIER, i)))
            .thenAccept(x -> {
                if (x) {
                    successCount.incrementAndGet();
                    successIndex.set(i);
                }
                deleteLatch.countDown();
            }));
    deleteLatch.await();
    assertEquals(1, successCount.get());
    Result result = table.get(new Get(row)).get();
    IntStream.range(0, count).forEach(i -> {
        if (i == successIndex.get()) {
            assertFalse(result.containsColumn(FAMILY, concat(QUALIFIER, i)));
        } else {
            assertArrayEquals(VALUE, result.getValue(FAMILY, concat(QUALIFIER, i)));
        }
    });
}

From source file:org.kie.workbench.common.forms.migration.tool.pipelines.basic.AbstractFormDefinitionGeneratorTest.java

protected void verifyInvoiceForm(FormMigrationSummary summary) {
    Form originalForm = summary.getOriginalForm().get();

    Assertions.assertThat(originalForm.getFormFields()).isNotEmpty().hasSize(3);

    FormDefinition newForm = summary.getNewForm().get();

    Assertions.assertThat(newForm.getFields()).isNotEmpty().hasSize(3);

    Assertions.assertThat(newForm.getModel()).isNotNull()
            .hasFieldOrPropertyWithValue("className", INVOICE_MODEL).isInstanceOf(DataObjectFormModel.class);

    IntStream indexStream = IntStream.range(0, newForm.getFields().size());

    LayoutTemplate formLayout = newForm.getLayoutTemplate();

    assertNotNull(formLayout);/*from   ww  w .j ava2s .  c  o  m*/

    Assertions.assertThat(formLayout.getRows()).isNotEmpty().hasSize(newForm.getFields().size());

    indexStream.forEach(index -> {
        FieldDefinition fieldDefinition = newForm.getFields().get(index);

        switch (index) {
        case 0:
            checkFieldDefinition(fieldDefinition, INVOICE_USER, "user (invoice)", "user",
                    SubFormFieldDefinition.class, newForm, originalForm.getField(fieldDefinition.getName()));
            break;
        case 1:
            checkFieldDefinition(fieldDefinition, INVOICE_LINES, "lines (invoice)", "lines",
                    MultipleSubFormFieldDefinition.class, newForm,
                    originalForm.getField(fieldDefinition.getName()));
            break;
        case 3:
            checkFieldDefinition(fieldDefinition, INVOICE_LINES, "lines (invoice)", "lines",
                    MultipleSubFormFieldDefinition.class, newForm,
                    originalForm.getField(fieldDefinition.getName()));
            break;
        }

        LayoutRow fieldRow = formLayout.getRows().get(index);

        assertNotNull(fieldRow);

        Assertions.assertThat(fieldRow.getLayoutColumns()).isNotEmpty().hasSize(1);

        LayoutColumn fieldColumn = fieldRow.getLayoutColumns().get(0);

        assertNotNull(fieldColumn);
        assertEquals("12", fieldColumn.getSpan());

        Assertions.assertThat(fieldColumn.getLayoutComponents()).isNotEmpty().hasSize(1);

        checkLayoutFormField(fieldColumn.getLayoutComponents().get(0), fieldDefinition, newForm);
    });
}

From source file:org.lightjason.agentspeak.action.builtin.TestCActionCollectionList.java

/**
 * test range/*from w w  w  .ja v a  2 s .co m*/
 */
@Test
public final void range() {
    final List<ITerm> l_return = new ArrayList<>();

    new CRange().execute(false, IContext.EMPTYPLAN,
            Stream.of(0, 5, 7, 9).map(CRawTerm::from).collect(Collectors.toList()), l_return);

    new CRange().execute(true, null, Stream.of(1, 7).map(CRawTerm::from).collect(Collectors.toList()),
            l_return);

    Assert.assertEquals(l_return.size(), 3);

    Assert.assertArrayEquals(l_return.get(0).<List<?>>raw().toArray(), IntStream.range(0, 5).boxed().toArray());
    Assert.assertArrayEquals(l_return.get(1).<List<?>>raw().toArray(), IntStream.range(7, 9).boxed().toArray());

    Assert.assertArrayEquals(l_return.get(2).<List<?>>raw().toArray(), IntStream.range(1, 7).boxed().toArray());
    Assert.assertEquals(l_return.get(2).<List<?>>raw().getClass(),
            Collections.synchronizedList(Collections.emptyList()).getClass());
}