Example usage for java.util.function Supplier get

Introduction

In this page you can find the example usage for java.util.function Supplier get.

Prototype

T get();

Source Link

Document

Gets a result.

Usage

From source file:enumj.EnumeratorTest.java

@Test
public void testContains() {
    System.out.println("contains");
    Supplier<Enumerator<Integer>> supplier = () -> Enumerator.rangeInt(0, 10);
    for (Integer i : supplier.get().asEnumerable()) {
        assertTrue(supplier.get().contains(i));
        assertTrue(!supplier.get().contains(-i - 1));
    }/*ww  w .  jav a 2  s . com*/
}

From source file:enumj.EnumeratorTest.java

@Test
public void testElementAt() {
    System.out.println("elementAt");
    Supplier<Enumerator<Integer>> supply = () -> Enumerator.rangeInt(0, 10);
    for (int i = 0; i < supply.get().count(); ++i) {
        assertEquals(Integer.valueOf(i), supply.get().elementAt(i).get());
    }//w w w  . j av  a2  s  .  co m
}

From source file:com.skelril.skree.content.zone.group.jungleraid.JungleRaidInstance.java

private void addPlayer(Player player, Supplier<Location<World>> startingPos, Color teamColor,
        JungleRaidClass jrClass) {//  w  w  w .  ja v a 2 s.c o m
    giveBaseEquipment(player, jrClass);
    giveTeamEquipment(player, teamColor);

    resetPlayerProperties(player);

    player.setLocation(startingPos.get());
}

From source file:com.ikanow.aleph2.graph.titan.utils.TestMiscTitanProperties.java

@SuppressWarnings("unchecked")
//@org.junit.Test
public void test_concurrentChanges_nonConflicting() throws IOException {

    // Test some graph errors

    TitanGraph titan = TitanFactory.build().set("storage.backend", "inmemory").set("query.force-index", false) //(not supported)
            .open();//from  w  w w. ja v a  2s .c o m

    buildSmallGraph(titan);

    final Supplier<TitanTransaction> build_trans = () -> {
        final TitanTransaction tx = titan.buildTransaction().start();
        Optionals.<TitanVertex>streamOf(tx.query().has("type", "rabbit").vertices(), false)
                .forEach(v -> v.property("change", "something"));
        return tx;
    };
    final TitanTransaction tx1 = build_trans.get();

    final TitanTransaction tx2 = titan.buildTransaction().start();
    Optionals.<TitanVertex>streamOf(tx2.query().hasNot("type", "rabbit").vertices(), false)
            .forEach(v -> v.property("change", "something_else"));

    {
        System.out.println("---- entire graph ... tx1 ------");
        final ByteArrayOutputStream baos = new ByteArrayOutputStream();
        titan.io(IoCore.graphson()).writer().create().writeGraph(baos, tx1);
        System.out.println(baos.toString());
    }
    {
        System.out.println("---- entire graph ... tx2 ------");
        final ByteArrayOutputStream baos = new ByteArrayOutputStream();
        titan.io(IoCore.graphson()).writer().create().writeGraph(baos, tx2);
        System.out.println(baos.toString());
    }

    tx2.commit();

    // I was expecting this to work, but it still fails ... might be an issue with the inmemory storage again?
    try {
        tx1.commit();
        fail("Should have thrown");
    } catch (TitanException e) {
        System.out.println("Threw expected titan exception: " + e.getClass().toString() + " / cause = "
                + e.getCause() + " .. " + e.getCause().getCause());
        assertEquals(com.thinkaurelius.titan.diskstorage.locking.PermanentLockingException.class,
                e.getCause().getCause().getClass());
    }
}

From source file:com.ikanow.aleph2.graph.titan.utils.TestMiscTitanProperties.java

@SuppressWarnings("unchecked")
@org.junit.Test/*  ww  w  .j a  v a  2s  .co  m*/
public void test_concurrentChanges_conflicting_threadedTrans() throws IOException {

    // Test some graph errors

    TitanGraph titan = TitanFactory.build().set("storage.backend", "inmemory").set("query.force-index", false) //(not supported)
            .open();

    buildSmallGraph(titan);

    final Supplier<TitanTransaction> build_trans = () -> {
        final TitanTransaction tx = titan.newTransaction();
        tx.addVertex("test_label");
        Optionals.<TitanVertex>streamOf(tx.query().has("type", "rabbit").vertices(), false)
                .forEach(v -> v.property("change", "something"));
        return tx;
    };
    final TitanTransaction tx1 = build_trans.get();

    final TitanTransaction tx2 = titan.newTransaction();
    Optionals.<TitanVertex>streamOf(tx2.query().has("type", "rabbit").vertices(), false)
            .forEach(v -> v.property("change", "something_else"));
    tx2.addVertex("test_label");
    tx2.commit();

    try {
        tx1.commit();
        fail("Should have thrown");
    } catch (TitanException e) {
        System.out.println("Threw expected titan exception: " + e.getClass().toString() + " / cause = "
                + e.getCause() + " .. " + e.getCause().getCause());
        assertEquals(com.thinkaurelius.titan.diskstorage.locking.PermanentLockingException.class,
                e.getCause().getCause().getClass());
    }
    // Check can retry:
    build_trans.get().commit();
}

From source file:com.ikanow.aleph2.graph.titan.utils.TestMiscTitanProperties.java

@SuppressWarnings("unchecked")
//@org.junit.Test
public void test_concurrentChanges_conflicting() throws IOException {

    // Test some graph errors

    TitanGraph titan = TitanFactory.build().set("storage.backend", "inmemory").set("query.force-index", false) //(not supported)
            .open();//  w ww .  ja  v  a2s.c om

    buildSmallGraph(titan);

    final Supplier<TitanTransaction> build_trans = () -> {
        final TitanTransaction tx = titan.buildTransaction().start();
        tx.addVertex("test_label");
        Optionals.<TitanVertex>streamOf(tx.query().has("type", "rabbit").vertices(), false)
                .forEach(v -> v.property("change", "something"));
        return tx;
    };
    final TitanTransaction tx1 = build_trans.get();

    final TitanTransaction tx2 = titan.buildTransaction().start();
    Optionals.<TitanVertex>streamOf(tx2.query().has("type", "rabbit").vertices(), false)
            .forEach(v -> v.property("change", "something_else"));
    tx2.addVertex("test_label");
    tx2.commit();

    try {
        tx1.commit();
        fail("Should have thrown");
    } catch (TitanException e) {
        System.out.println("Threw expected titan exception: " + e.getClass().toString() + " / cause = "
                + e.getCause() + " .. " + e.getCause().getCause());
        assertEquals(com.thinkaurelius.titan.diskstorage.locking.PermanentLockingException.class,
                e.getCause().getCause().getClass());
    }
    // Check can retry:
    build_trans.get().commit();
}

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

/**
 * Constructs a new <code>FileArtifact</code> representing the given <code>File</code>. If <code>file</code> is a
 * directory then <code>FileArtifact</code>s representing its contents will be added as children to this
 * <code>FileArtifact</code>.
 *
 * @param revision/*from  w  ww. jav a  2  s  .  co  m*/
 *         the <code>Revision</code> the artifact belongs to
 * @param number
 *         supplies first the number for this artifact and then in DFS order the number for its children
 * @param file
 *         the <code>File</code> in which the artifact is stored
 * @param recursive
 *         If <code>file</code> is a directory then <code>FileArtifact</code>s representing its contents will be
 *         added as children to this <code>FileArtifact</code>.
 * @throws IllegalArgumentException
 *         if {@code file} does not exist
 */
private FileArtifact(Revision revision, Supplier<Integer> number, File file, boolean recursive) {
    super(revision, number.get());

    if (!file.exists()) {
        throw new IllegalArgumentException("File '" + file + "' does not exist.");
    }

    if (file.isFile()) {
        this.type = FileType.FILE;
    } else if (file.isDirectory()) {
        this.type = FileType.DIR;
    } else {
        throw new IllegalArgumentException("File '" + file + "' is not a normal file or directory.");
    }

    this.original = file;
    this.file = file;

    if (recursive && isDirectory()) {
        modifyChildren(children -> {
            children.addAll(getDirContent(number));
            children.sort(comp);
        });
    }
}

From source file:com.github.erchu.beancp.DeclarativeMapImpl.java

@Override
public <T> DeclarativeMap<S, D> bind(final Supplier<T> fromFunction, final Consumer<T> toMember,
        final BindingOption<S, D, T>... options) {
    notNull(fromFunction, "fromFunction");
    notNull(toMember, "toMember");

    if (mode == MapMode.CONFIGURATION) {
        if (_afterMapExecuted) {
            throw new MapperConfigurationException(INVALID_STATEMENT_ORDER_MESSAGE);
        }//from w  ww . ja  v a 2 s  .  co  m

        _bindBindConstantOrMapExecuted = true;
    }

    if (mode == MapMode.EXECUTION) {
        boolean map = shouldBeMapped(options);

        if (map) {
            T getValue = fromFunction.get();

            if (getValue == null) {
                for (BindingOption<S, D, T> i : options) {
                    if (i.getNullSubstitution() != null) {
                        getValue = i.getNullSubstitution();
                        break;
                    }
                }
            }

            toMember.accept(getValue);
        }
    }

    return this;
}

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

/**
 * Sets the number of all <code>Artifact</code>s contained in the tree rooted at this artifact to the number
 * supplied by <code>number</code> when traversing the tree in depth-first order.
 *
 * @param number//  w w w  .java  2  s.  co m
 *         the supplier for the new numbers
 */
private void renumber(Supplier<Integer> number) {
    this.number = number.get();

    for (Artifact<T> child : children) {
        child.renumber(number);
    }
}

From source file:com.github.erchu.beancp.DeclarativeMapImpl.java

@Override
public <SI, DI> DeclarativeMap<S, D> mapInner(final Supplier<SI> supplierFunction, final Consumer<DI> toMember,
        final Supplier<DI> toMemberGetter, final Class<DI> toMemberClass,
        final BindingOption<S, D, DI>... options) {
    notNull(supplierFunction, "supplierFunction");
    notNull(toMember, "toMember");

    if (mode == MapMode.CONFIGURATION) {
        if (_afterMapExecuted) {
            throw new MapperConfigurationException(INVALID_STATEMENT_ORDER_MESSAGE);
        }//from w w  w  .ja  v  a 2  s  .com

        _bindBindConstantOrMapExecuted = true;
    }

    if (mode == MapMode.EXECUTION) {
        SI currentSourceValue = supplierFunction.get();

        if (currentSourceValue == null) {
            toMember.accept(null);
        } else {
            DI currentDestinationMemberValue;

            if (toMemberGetter == null) {
                currentDestinationMemberValue = null;
            } else {
                currentDestinationMemberValue = toMemberGetter.get();
            }

            if (currentDestinationMemberValue == null) {
                DI mapResult = _executionPhaseMapper.map(currentSourceValue, toMemberClass);
                toMember.accept(mapResult);
            } else {
                _executionPhaseMapper.map(currentSourceValue, currentDestinationMemberValue);
            }
        }
    }

    return this;
}