java.util.OptionalInt#ifPresent ( )源码实例Demo

下面列出了java.util.OptionalInt#ifPresent ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： presto 文件： TestDictionaryCompressionOptimizer.java

private TestDictionaryColumn(int bytesPerEntry, double uniquePercentage, OptionalInt maxDictionaryEntries, double valuesPerRow, double nullRate)
{
    checkArgument(bytesPerEntry >= 0, "bytesPerEntry is negative");
    this.bytesPerEntry = bytesPerEntry;

    checkArgument(uniquePercentage >= 0 && uniquePercentage <= 1, "bytesPerEntry must be between 0 and 1");
    this.uniquePercentage = uniquePercentage;

    this.maxDictionaryEntries = requireNonNull(maxDictionaryEntries, "maxDictionaryEntries is null");
    maxDictionaryEntries.ifPresent(value -> checkArgument(value >= 0, "maxDictionaryEntries is negative"));

    checkArgument(valuesPerRow >= 0, "valuesPerRow is negative");
    this.valuesPerRow = valuesPerRow;

    checkArgument(nullRate >= 0 && nullRate <= 1, "nullRate must be between 0 and 1");
    this.nullRate = nullRate;
}

源代码2 项目： TencentKona-8 文件： BasicInt.java

@Test(groups = "unit")
public void testEmpty() {
    OptionalInt empty = OptionalInt.empty();
    OptionalInt present = OptionalInt.of(1);

    // empty
    assertTrue(empty.equals(empty));
    assertTrue(empty.equals(OptionalInt.empty()));
    assertTrue(!empty.equals(present));
    assertTrue(0 == empty.hashCode());
    assertTrue(!empty.toString().isEmpty());
    assertTrue(!empty.isPresent());
    empty.ifPresent(v -> { fail(); });
    assertEquals(2, empty.orElse(2));
    assertEquals(2, empty.orElseGet(()-> 2));
}

源代码3 项目： jdk8u60 文件： BasicInt.java

@Test(groups = "unit")
public void testEmpty() {
    OptionalInt empty = OptionalInt.empty();
    OptionalInt present = OptionalInt.of(1);

    // empty
    assertTrue(empty.equals(empty));
    assertTrue(empty.equals(OptionalInt.empty()));
    assertTrue(!empty.equals(present));
    assertTrue(0 == empty.hashCode());
    assertTrue(!empty.toString().isEmpty());
    assertTrue(!empty.isPresent());
    empty.ifPresent(v -> { fail(); });
    assertEquals(2, empty.orElse(2));
    assertEquals(2, empty.orElseGet(()-> 2));
}

源代码4 项目： openjdk-jdk8u 文件： BasicInt.java

@Test(groups = "unit")
public void testEmpty() {
    OptionalInt empty = OptionalInt.empty();
    OptionalInt present = OptionalInt.of(1);

    // empty
    assertTrue(empty.equals(empty));
    assertTrue(empty.equals(OptionalInt.empty()));
    assertTrue(!empty.equals(present));
    assertTrue(0 == empty.hashCode());
    assertTrue(!empty.toString().isEmpty());
    assertTrue(!empty.isPresent());
    empty.ifPresent(v -> { fail(); });
    assertEquals(2, empty.orElse(2));
    assertEquals(2, empty.orElseGet(()-> 2));
}

源代码5 项目： openjdk-8 文件： BasicInt.java

@Test(groups = "unit")
public void testEmpty() {
    OptionalInt empty = OptionalInt.empty();
    OptionalInt present = OptionalInt.of(1);

    // empty
    assertTrue(empty.equals(empty));
    assertTrue(empty.equals(OptionalInt.empty()));
    assertTrue(!empty.equals(present));
    assertTrue(0 == empty.hashCode());
    assertTrue(!empty.toString().isEmpty());
    assertTrue(!empty.isPresent());
    empty.ifPresent(v -> { fail(); });
    assertEquals(2, empty.orElse(2));
    assertEquals(2, empty.orElseGet(()-> 2));
}

源代码6 项目： openjdk-jdk8u-backup 文件： BasicInt.java

@Test(groups = "unit")
public void testEmpty() {
    OptionalInt empty = OptionalInt.empty();
    OptionalInt present = OptionalInt.of(1);

    // empty
    assertTrue(empty.equals(empty));
    assertTrue(empty.equals(OptionalInt.empty()));
    assertTrue(!empty.equals(present));
    assertTrue(0 == empty.hashCode());
    assertTrue(!empty.toString().isEmpty());
    assertTrue(!empty.isPresent());
    empty.ifPresent(v -> { fail(); });
    assertEquals(2, empty.orElse(2));
    assertEquals(2, empty.orElseGet(()-> 2));
}

源代码7 项目： jdk8u_jdk 文件： BasicInt.java

@Test(groups = "unit")
public void testEmpty() {
    OptionalInt empty = OptionalInt.empty();
    OptionalInt present = OptionalInt.of(1);

    // empty
    assertTrue(empty.equals(empty));
    assertTrue(empty.equals(OptionalInt.empty()));
    assertTrue(!empty.equals(present));
    assertTrue(0 == empty.hashCode());
    assertTrue(!empty.toString().isEmpty());
    assertTrue(!empty.isPresent());
    empty.ifPresent(v -> { fail(); });
    assertEquals(2, empty.orElse(2));
    assertEquals(2, empty.orElseGet(()-> 2));
}

源代码8 项目： jdk8u-jdk 文件： BasicInt.java

@Test(groups = "unit")
public void testEmpty() {
    OptionalInt empty = OptionalInt.empty();
    OptionalInt present = OptionalInt.of(1);

    // empty
    assertTrue(empty.equals(empty));
    assertTrue(empty.equals(OptionalInt.empty()));
    assertTrue(!empty.equals(present));
    assertTrue(0 == empty.hashCode());
    assertTrue(!empty.toString().isEmpty());
    assertTrue(!empty.isPresent());
    empty.ifPresent(v -> { fail(); });
    assertEquals(2, empty.orElse(2));
    assertEquals(2, empty.orElseGet(()-> 2));
}

源代码9 项目： besu 文件： Endpoint.java

public Endpoint(final String host, final int udpPort, final OptionalInt tcpPort) {
  checkArgument(
      host != null && InetAddresses.isInetAddress(host), "host requires a valid IP address");
  checkArgument(
      NetworkUtility.isValidPort(udpPort), "UDP port requires a value between 1 and 65535");
  tcpPort.ifPresent(
      p ->
          checkArgument(
              NetworkUtility.isValidPort(p), "TCP port requires a value between 1 and 65535"));

  this.host = host;
  this.udpPort = udpPort;
  this.tcpPort = tcpPort;
}

源代码10 项目： presto 文件： DynamicLifespanScheduler.java

public DynamicLifespanScheduler(BucketNodeMap bucketNodeMap, List<InternalNode> allNodes, List<ConnectorPartitionHandle> partitionHandles, OptionalInt concurrentLifespansPerTask)
{
    this.bucketNodeMap = requireNonNull(bucketNodeMap, "bucketNodeMap is null");
    this.allNodes = requireNonNull(allNodes, "allNodes is null");
    this.partitionHandles = unmodifiableList(new ArrayList<>(
            requireNonNull(partitionHandles, "partitionHandles is null")));

    this.concurrentLifespansPerTask = requireNonNull(concurrentLifespansPerTask, "concurrentLifespansPerTask is null");
    concurrentLifespansPerTask.ifPresent(lifespansPerTask -> checkArgument(lifespansPerTask >= 1, "concurrentLifespansPerTask must be great or equal to 1 if present"));

    int bucketCount = partitionHandles.size();
    verify(bucketCount > 0);
    this.driverGroups = new IntArrayList(IntStream.range(0, bucketCount).toArray()).iterator();
}

源代码11 项目： openjdk-8 文件： BasicInt.java

@Test(groups = "unit")
    public void testPresent() {
    OptionalInt empty = OptionalInt.empty();
    OptionalInt present = OptionalInt.of(1);

    // present
    assertTrue(present.equals(present));
    assertFalse(present.equals(OptionalInt.of(0)));
    assertTrue(present.equals(OptionalInt.of(1)));
    assertFalse(present.equals(empty));
    assertTrue(Integer.hashCode(1) == present.hashCode());
    assertFalse(present.toString().isEmpty());
    assertTrue(-1 != present.toString().indexOf(Integer.toString(present.getAsInt()).toString()));
    assertEquals(1, present.getAsInt());
    try {
        present.ifPresent(v -> { throw new ObscureException(); });
        fail();
    } catch(ObscureException expected) {

    }
    assertEquals(1, present.orElse(2));
    assertEquals(1, present.orElseGet(null));
    assertEquals(1, present.orElseGet(()-> 2));
    assertEquals(1, present.orElseGet(()-> 3));
    assertEquals(1, present.<RuntimeException>orElseThrow(null));
    assertEquals(1, present.<RuntimeException>orElseThrow(ObscureException::new));
}

源代码12 项目： dragonwell8_jdk 文件： BasicInt.java

@Test(groups = "unit")
    public void testPresent() {
    OptionalInt empty = OptionalInt.empty();
    OptionalInt present = OptionalInt.of(1);

    // present
    assertTrue(present.equals(present));
    assertFalse(present.equals(OptionalInt.of(0)));
    assertTrue(present.equals(OptionalInt.of(1)));
    assertFalse(present.equals(empty));
    assertTrue(Integer.hashCode(1) == present.hashCode());
    assertFalse(present.toString().isEmpty());
    assertTrue(-1 != present.toString().indexOf(Integer.toString(present.getAsInt()).toString()));
    assertEquals(1, present.getAsInt());
    try {
        present.ifPresent(v -> { throw new ObscureException(); });
        fail();
    } catch(ObscureException expected) {

    }
    assertEquals(1, present.orElse(2));
    assertEquals(1, present.orElseGet(null));
    assertEquals(1, present.orElseGet(()-> 2));
    assertEquals(1, present.orElseGet(()-> 3));
    assertEquals(1, present.<RuntimeException>orElseThrow(null));
    assertEquals(1, present.<RuntimeException>orElseThrow(ObscureException::new));
}

源代码13 项目： TencentKona-8 文件： BasicInt.java

@Test(groups = "unit")
    public void testPresent() {
    OptionalInt empty = OptionalInt.empty();
    OptionalInt present = OptionalInt.of(1);

    // present
    assertTrue(present.equals(present));
    assertFalse(present.equals(OptionalInt.of(0)));
    assertTrue(present.equals(OptionalInt.of(1)));
    assertFalse(present.equals(empty));
    assertTrue(Integer.hashCode(1) == present.hashCode());
    assertFalse(present.toString().isEmpty());
    assertTrue(-1 != present.toString().indexOf(Integer.toString(present.getAsInt()).toString()));
    assertEquals(1, present.getAsInt());
    try {
        present.ifPresent(v -> { throw new ObscureException(); });
        fail();
    } catch(ObscureException expected) {

    }
    assertEquals(1, present.orElse(2));
    assertEquals(1, present.orElseGet(null));
    assertEquals(1, present.orElseGet(()-> 2));
    assertEquals(1, present.orElseGet(()-> 3));
    assertEquals(1, present.<RuntimeException>orElseThrow(null));
    assertEquals(1, present.<RuntimeException>orElseThrow(ObscureException::new));
}

源代码14 项目： jdk8u60 文件： BasicInt.java

@Test(groups = "unit")
    public void testPresent() {
    OptionalInt empty = OptionalInt.empty();
    OptionalInt present = OptionalInt.of(1);

    // present
    assertTrue(present.equals(present));
    assertFalse(present.equals(OptionalInt.of(0)));
    assertTrue(present.equals(OptionalInt.of(1)));
    assertFalse(present.equals(empty));
    assertTrue(Integer.hashCode(1) == present.hashCode());
    assertFalse(present.toString().isEmpty());
    assertTrue(-1 != present.toString().indexOf(Integer.toString(present.getAsInt()).toString()));
    assertEquals(1, present.getAsInt());
    try {
        present.ifPresent(v -> { throw new ObscureException(); });
        fail();
    } catch(ObscureException expected) {

    }
    assertEquals(1, present.orElse(2));
    assertEquals(1, present.orElseGet(null));
    assertEquals(1, present.orElseGet(()-> 2));
    assertEquals(1, present.orElseGet(()-> 3));
    assertEquals(1, present.<RuntimeException>orElseThrow(null));
    assertEquals(1, present.<RuntimeException>orElseThrow(ObscureException::new));
}

源代码15 项目： jdk8u-dev-jdk 文件： BasicInt.java

@Test(groups = "unit")
    public void testPresent() {
    OptionalInt empty = OptionalInt.empty();
    OptionalInt present = OptionalInt.of(1);

    // present
    assertTrue(present.equals(present));
    assertFalse(present.equals(OptionalInt.of(0)));
    assertTrue(present.equals(OptionalInt.of(1)));
    assertFalse(present.equals(empty));
    assertTrue(Integer.hashCode(1) == present.hashCode());
    assertFalse(present.toString().isEmpty());
    assertTrue(-1 != present.toString().indexOf(Integer.toString(present.getAsInt()).toString()));
    assertEquals(1, present.getAsInt());
    try {
        present.ifPresent(v -> { throw new ObscureException(); });
        fail();
    } catch(ObscureException expected) {

    }
    assertEquals(1, present.orElse(2));
    assertEquals(1, present.orElseGet(null));
    assertEquals(1, present.orElseGet(()-> 2));
    assertEquals(1, present.orElseGet(()-> 3));
    assertEquals(1, present.<RuntimeException>orElseThrow(null));
    assertEquals(1, present.<RuntimeException>orElseThrow(ObscureException::new));
}

源代码16 项目： openjdk-jdk9 文件： BasicInt.java

@Test(groups = "unit")
public void testEmpty() {
    OptionalInt empty = OptionalInt.empty();
    OptionalInt present = OptionalInt.of(1);

    // empty
    assertTrue(empty.equals(empty));
    assertTrue(empty.equals(OptionalInt.empty()));
    assertTrue(!empty.equals(present));
    assertTrue(0 == empty.hashCode());
    assertTrue(!empty.toString().isEmpty());
    assertTrue(!empty.isPresent());

    empty.ifPresent(v -> { fail(); });

    AtomicBoolean emptyCheck = new AtomicBoolean();
    empty.ifPresentOrElse(v -> fail(), () -> emptyCheck.set(true));
    assertTrue(emptyCheck.get());

    try {
        empty.ifPresentOrElse(v -> fail(), () -> { throw new ObscureException(); });
        fail();
    } catch (ObscureException expected) {
    } catch (AssertionError e) {
        throw e;
    } catch (Throwable t) {
        fail();
    }

    assertEquals(2, empty.orElse(2));
    assertEquals(2, empty.orElseGet(()-> 2));
}

源代码17 项目： jdk8u-jdk 文件： BasicInt.java

@Test(groups = "unit")
    public void testPresent() {
    OptionalInt empty = OptionalInt.empty();
    OptionalInt present = OptionalInt.of(1);

    // present
    assertTrue(present.equals(present));
    assertFalse(present.equals(OptionalInt.of(0)));
    assertTrue(present.equals(OptionalInt.of(1)));
    assertFalse(present.equals(empty));
    assertTrue(Integer.hashCode(1) == present.hashCode());
    assertFalse(present.toString().isEmpty());
    assertTrue(-1 != present.toString().indexOf(Integer.toString(present.getAsInt()).toString()));
    assertEquals(1, present.getAsInt());
    try {
        present.ifPresent(v -> { throw new ObscureException(); });
        fail();
    } catch(ObscureException expected) {

    }
    assertEquals(1, present.orElse(2));
    assertEquals(1, present.orElseGet(null));
    assertEquals(1, present.orElseGet(()-> 2));
    assertEquals(1, present.orElseGet(()-> 3));
    assertEquals(1, present.<RuntimeException>orElseThrow(null));
    assertEquals(1, present.<RuntimeException>orElseThrow(ObscureException::new));
}

源代码18 项目： luna 文件： Equipment.java

/**
 * Equips an item from the inventory.
 *
 * @param inventoryIndex The inventory index of the item.
 * Returns {@code true} if successful.
 */
public boolean equip(int inventoryIndex) {

    // Validate index.
    Item inventoryItem = inventory.get(inventoryIndex);
    if (inventoryItem == null) {
        return false;
    }
    EquipmentDefinition equipDef = inventoryItem.getEquipDef();
    int equipIndex = equipDef.getIndex();

    // Check equipment requirements.
    boolean failedToMeet = ifPresent(equipDef.getFailedRequirement(player),
            req -> req.sendFailureMessage(player));
    if (failedToMeet) {
        return false;
    }

    // Unequip something if we have to.
    OptionalInt unequipIndex = OptionalInt.empty();
    if (equipIndex == WEAPON && equipDef.isTwoHanded()) {

        // Equipping 2h weapon, so unequip shield.
        unequipIndex = OptionalInt.of(SHIELD);
    } else if (equipIndex == Equipment.SHIELD &&
            occupied(WEAPON) &&
            get(WEAPON).getEquipDef().isTwoHanded()) {

        // Equipping shield, so unequip 2h weapon.
        unequipIndex = OptionalInt.of(WEAPON);
    }

    // Check if inventory has enough space.
    if (unequipIndex.isPresent()) {
        int remaining = inventory.computeRemainingSize();
        if (remaining == 0 && occupied(unequipIndex.getAsInt()) && occupied(equipIndex)) {
            inventory.fireCapacityExceededEvent();
            return false;
        }
    }

    // Equip item.
    inventory.set(inventoryIndex, null);
    unequipIndex.ifPresent(this::unequip);

    Item equipItem = get(equipIndex);
    if (equipItem == null || inventory.add(equipItem)) {
        set(equipIndex, inventoryItem);
    }
    return true;
}

源代码19 项目： component-runtime 文件： RecordServiceImpl.java

@Override
public boolean forwardEntry(final Record source, final Record.Builder builder, final String sourceColumn,
        final Schema.Entry entry) {
    switch (entry.getType()) {
    case INT:
        final OptionalInt optionalInt = source.getOptionalInt(sourceColumn);
        optionalInt.ifPresent(v -> builder.withInt(entry, v));
        return optionalInt.isPresent();
    case LONG:
        final OptionalLong optionalLong = source.getOptionalLong(sourceColumn);
        optionalLong.ifPresent(v -> builder.withLong(entry, v));
        return optionalLong.isPresent();
    case FLOAT:
        final OptionalDouble optionalFloat = source.getOptionalFloat(sourceColumn);
        optionalFloat.ifPresent(v -> builder.withFloat(entry, (float) v));
        return optionalFloat.isPresent();
    case DOUBLE:
        final OptionalDouble optionalDouble = source.getOptionalDouble(sourceColumn);
        optionalDouble.ifPresent(v -> builder.withDouble(entry, v));
        return optionalDouble.isPresent();
    case BOOLEAN:
        final Optional<Boolean> optionalBoolean = source.getOptionalBoolean(sourceColumn);
        optionalBoolean.ifPresent(v -> builder.withBoolean(entry, v));
        return optionalBoolean.isPresent();
    case STRING:
        final Optional<String> optionalString = source.getOptionalString(sourceColumn);
        optionalString.ifPresent(v -> builder.withString(entry, v));
        return optionalString.isPresent();
    case DATETIME:
        final Optional<ZonedDateTime> optionalDateTime = source.getOptionalDateTime(sourceColumn);
        optionalDateTime.ifPresent(v -> builder.withDateTime(entry, v));
        return optionalDateTime.isPresent();
    case BYTES:
        final Optional<byte[]> optionalBytes = source.getOptionalBytes(sourceColumn);
        optionalBytes.ifPresent(v -> builder.withBytes(entry, v));
        return optionalBytes.isPresent();
    case RECORD:
        final Optional<Record> optionalRecord = source.getOptionalRecord(sourceColumn);
        optionalRecord.ifPresent(v -> builder.withRecord(entry, v));
        return optionalRecord.isPresent();
    case ARRAY:
        final Optional<Collection<Object>> optionalArray = source.getOptionalArray(Object.class, sourceColumn);
        optionalArray.ifPresent(v -> builder.withArray(entry, v));
        return optionalArray.isPresent();
    default:
        throw new IllegalStateException("Unsupported entry type: " + entry);
    }
}

源代码20 项目： luna 文件： AmountInputInterface.java

@Override
public final void applyInput(Player player, OptionalInt amount, Optional<String> name) {
    amount.ifPresent(value -> onAmountInput(player, value));
}

方法所在类

java.util.OptionalInt