Java Code Examples for java.util.OptionalInt#orElseThrow()

The following examples show how to use java.util.OptionalInt#orElseThrow() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: FreePortFinder.java From attic-polygene-java with Apache License 2.0

6 votes

public static int findFreePort( InetAddress address )
{
    FreePortPredicate check = new FreePortPredicate( address );
    // Randomly choose MAX_PORT_CHECKS ports from the least used ranges
    Range range = LEAST_USED_RANGES.get( new Random().nextInt( LEAST_USED_RANGES.size() ) );
    OptionalInt port = rangeClosed( range.lowerBound, range.higherBound )
        .boxed()
        .collect( collectingAndThen( toList(), collected ->
        {
            collected.removeAll( BLACKLIST );
            shuffle( collected );
            return collected.stream();
        } ) )
        .limit( MAX_PORT_CHECKS )
        .mapToInt( Integer::intValue )
        .filter( check )
        .findFirst();
    return port.orElseThrow( () ->
    {
        IOException exception = new IOException( "Unable to find a free port on " + address );
        check.errors.build().forEach( exception::addSuppressed );
        return new UncheckedIOException( exception );
    } );
}

Example 2

Source File: BasicInt.java From openjdk-jdk8u-backup with GNU General Public License v2.0

4 votes

@Test(expectedExceptions=NullPointerException.class)
public void testEmptyOrElseThrowNull() throws Throwable {
    OptionalInt empty = OptionalInt.empty();

    int got = empty.orElseThrow(null);
}

Example 3

Source File: BasicInt.java From jdk8u_jdk with GNU General Public License v2.0

4 votes

@Test(expectedExceptions=ObscureException.class)
public void testEmptyOrElseThrow() throws Exception {
    OptionalInt empty = OptionalInt.empty();

    int got = empty.orElseThrow(ObscureException::new);
}

Example 4

Source File: BasicInt.java From jdk8u-jdk with GNU General Public License v2.0

4 votes

@Test(expectedExceptions=NullPointerException.class)
public void testEmptyOrElseThrowNull() throws Throwable {
    OptionalInt empty = OptionalInt.empty();

    int got = empty.orElseThrow(null);
}

Example 5

Source File: BasicInt.java From hottub with GNU General Public License v2.0

4 votes

@Test(expectedExceptions=ObscureException.class)
public void testEmptyOrElseThrow() throws Exception {
    OptionalInt empty = OptionalInt.empty();

    int got = empty.orElseThrow(ObscureException::new);
}

Example 6

Source File: BasicInt.java From hottub with GNU General Public License v2.0

4 votes

@Test(expectedExceptions=NullPointerException.class)
public void testEmptyOrElseThrowNull() throws Throwable {
    OptionalInt empty = OptionalInt.empty();

    int got = empty.orElseThrow(null);
}

Example 7

Source File: BasicInt.java From jdk8u-dev-jdk with GNU General Public License v2.0

4 votes

@Test(expectedExceptions=ObscureException.class)
public void testEmptyOrElseThrow() throws Exception {
    OptionalInt empty = OptionalInt.empty();

    int got = empty.orElseThrow(ObscureException::new);
}

Example 8

Source File: BasicInt.java From jdk8u-jdk with GNU General Public License v2.0

4 votes

@Test(expectedExceptions=NullPointerException.class)
public void testEmptyOrElseThrowNull() throws Throwable {
    OptionalInt empty = OptionalInt.empty();

    int got = empty.orElseThrow(null);
}

Example 9

Source File: BasicInt.java From openjdk-jdk9 with GNU General Public License v2.0

4 votes

@Test(expectedExceptions=ObscureException.class)
public void testEmptyOrElseThrow() throws Exception {
    OptionalInt empty = OptionalInt.empty();

    int got = empty.orElseThrow(ObscureException::new);
}

Example 10

Source File: BasicInt.java From openjdk-jdk9 with GNU General Public License v2.0

4 votes

@Test(expectedExceptions=NullPointerException.class)
public void testEmptyOrElseThrowNull() throws Throwable {
    OptionalInt empty = OptionalInt.empty();

    int got = empty.orElseThrow(null);
}

Example 11

Source File: BasicInt.java From openjdk-8 with GNU General Public License v2.0

4 votes

@Test(expectedExceptions=NullPointerException.class)
public void testEmptyOrElseThrowNull() throws Throwable {
    OptionalInt empty = OptionalInt.empty();

    int got = empty.orElseThrow(null);
}

Example 12

Source File: PartitionedLookupSourceFactory.java From presto with Apache License 2.0

4 votes

@Override
public ListenableFuture<PartitionedConsumption<Supplier<LookupSource>>> finishProbeOperator(OptionalInt lookupJoinsCount)
{
    lock.writeLock().lock();
    try {
        if (!spillingInfo.hasSpilled()) {
            finishedProbeOperators++;
            return immediateFuture(new PartitionedConsumption<>(
                    1,
                    emptyList(),
                    i -> {
                        throw new UnsupportedOperationException();
                    },
                    i -> {}));
        }

        int operatorsCount = lookupJoinsCount
                .orElseThrow(() -> new IllegalStateException("A fixed distribution is required for JOIN when spilling is enabled"));
        checkState(finishedProbeOperators < operatorsCount, "%s probe operators finished out of %s declared", finishedProbeOperators + 1, operatorsCount);

        if (partitionedConsumptionParticipants.isEmpty()) {
            // This is the first probe to finish after anything has been spilled.
            partitionedConsumptionParticipants = OptionalInt.of(operatorsCount - finishedProbeOperators);
        }

        finishedProbeOperators++;
        if (finishedProbeOperators == operatorsCount) {
            // We can dispose partitions now since as right outer is not supported with spill
            freePartitions();
            verify(!partitionedConsumption.isDone());
            partitionedConsumption.set(new PartitionedConsumption<>(
                    partitionedConsumptionParticipants.getAsInt(),
                    spilledPartitions.keySet(),
                    this::loadSpilledLookupSource,
                    this::disposeSpilledLookupSource));
        }

        return partitionedConsumption;
    }
    finally {
        lock.writeLock().unlock();
    }
}

Example 13

Source File: EchoServiceHandler.java From drift with Apache License 2.0

4 votes

@Override
public int echoOptionalInt(OptionalInt value)
        throws EmptyOptionalException
{
    return value.orElseThrow(EmptyOptionalException::new);
}

Example 14

Source File: BasicInt.java From openjdk-jdk8u with GNU General Public License v2.0

4 votes

@Test(expectedExceptions=NullPointerException.class)
public void testEmptyOrElseThrowNull() throws Throwable {
    OptionalInt empty = OptionalInt.empty();

    int got = empty.orElseThrow(null);
}

Example 15

Source File: BasicInt.java From jdk8u60 with GNU General Public License v2.0

4 votes

@Test(expectedExceptions=ObscureException.class)
public void testEmptyOrElseThrow() throws Exception {
    OptionalInt empty = OptionalInt.empty();

    int got = empty.orElseThrow(ObscureException::new);
}

Example 16

Source File: BasicInt.java From jdk8u-dev-jdk with GNU General Public License v2.0

4 votes

@Test(expectedExceptions=NullPointerException.class)
public void testEmptyOrElseThrowNull() throws Throwable {
    OptionalInt empty = OptionalInt.empty();

    int got = empty.orElseThrow(null);
}

Example 17

Source File: BasicInt.java From TencentKona-8 with GNU General Public License v2.0

4 votes

@Test(expectedExceptions=NullPointerException.class)
public void testEmptyOrElseThrowNull() throws Throwable {
    OptionalInt empty = OptionalInt.empty();

    int got = empty.orElseThrow(null);
}

Example 18

Source File: BasicInt.java From dragonwell8_jdk with GNU General Public License v2.0

4 votes

@Test(expectedExceptions=ObscureException.class)
public void testEmptyOrElseThrow() throws Exception {
    OptionalInt empty = OptionalInt.empty();

    int got = empty.orElseThrow(ObscureException::new);
}

Example 19

Source File: BasicInt.java From dragonwell8_jdk with GNU General Public License v2.0

4 votes

@Test(expectedExceptions=NullPointerException.class)
public void testEmptyOrElseThrowNull() throws Throwable {
    OptionalInt empty = OptionalInt.empty();

    int got = empty.orElseThrow(null);
}

Example 20

Source File: OptionalIntExample.java From levelup-java-examples with Apache License 2.0

3 votes

@Test(expected=IllegalStateException.class)
public void optional_int_orElseThrow() {
	
	OptionalInt optionalFramework = OptionalInt.empty();

	optionalFramework.orElseThrow(IllegalStateException::new);
}