Examples with OptionalLong java.util.OptionalLong used on opensource projects

Example 11 with OptionalLong

use of java.util.OptionalLong in project jdk8u_jdk by JetBrains.

the class BasicLong method testEmptyGet.

@Test(expectedExceptions = NoSuchElementException.class)
public void testEmptyGet() {
    OptionalLong empty = OptionalLong.empty();
    long got = empty.getAsLong();
}

Example 12 with OptionalLong

use of java.util.OptionalLong in project jdk8u_jdk by JetBrains.

the class BasicLong method testEmptyOrElseThrow.

@Test(expectedExceptions = ObscureException.class)
public void testEmptyOrElseThrow() throws Exception {
    OptionalLong empty = OptionalLong.empty();
    long got = empty.orElseThrow(ObscureException::new);
}

Example 13 with OptionalLong

use of java.util.OptionalLong in project fastjson by alibaba.

the class OptionalCodec method write.

public void write(JSONSerializer serializer, Object object, Object fieldName, Type fieldType, int features) throws IOException {
    if (object == null) {
        serializer.writeNull();
        return;
    }
    if (object instanceof Optional) {
        Optional<?> optional = (Optional<?>) object;
        Object value = optional.isPresent() ? optional.get() : null;
        serializer.write(value);
        return;
    }
    if (object instanceof OptionalDouble) {
        OptionalDouble optional = (OptionalDouble) object;
        if (optional.isPresent()) {
            double value = optional.getAsDouble();
            serializer.write(value);
        } else {
            serializer.writeNull();
        }
        return;
    }
    if (object instanceof OptionalInt) {
        OptionalInt optional = (OptionalInt) object;
        if (optional.isPresent()) {
            int value = optional.getAsInt();
            serializer.out.writeInt(value);
        } else {
            serializer.writeNull();
        }
        return;
    }
    if (object instanceof OptionalLong) {
        OptionalLong optional = (OptionalLong) object;
        if (optional.isPresent()) {
            long value = optional.getAsLong();
            serializer.out.writeLong(value);
        } else {
            serializer.writeNull();
        }
        return;
    }
    throw new JSONException("not support optional : " + object.getClass());
}

Example 14 with OptionalLong

use of java.util.OptionalLong in project lucene-solr by apache.

the class Boolean2ScorerSupplier method computeCost.

private long computeCost() {
    OptionalLong minRequiredCost = Stream.concat(subs.get(Occur.MUST).stream(), subs.get(Occur.FILTER).stream()).mapToLong(ScorerSupplier::cost).min();
    if (minRequiredCost.isPresent() && minShouldMatch == 0) {
        return minRequiredCost.getAsLong();
    } else {
        final Collection<ScorerSupplier> optionalScorers = subs.get(Occur.SHOULD);
        final long shouldCost = MinShouldMatchSumScorer.cost(optionalScorers.stream().mapToLong(ScorerSupplier::cost), optionalScorers.size(), minShouldMatch);
        return Math.min(minRequiredCost.orElse(Long.MAX_VALUE), shouldCost);
    }
}

Example 15 with OptionalLong

use of java.util.OptionalLong in project presto by prestodb.

the class RaptorMetadata method finishDelete.

@Override
public void finishDelete(ConnectorSession session, ConnectorTableHandle tableHandle, Collection<Slice> fragments) {
    RaptorTableHandle table = (RaptorTableHandle) tableHandle;
    long transactionId = table.getTransactionId().getAsLong();
    long tableId = table.getTableId();
    List<ColumnInfo> columns = getColumnHandles(session, tableHandle).values().stream().map(RaptorColumnHandle.class::cast).map(ColumnInfo::fromHandle).collect(toList());
    ImmutableSet.Builder<UUID> oldShardUuidsBuilder = ImmutableSet.builder();
    ImmutableList.Builder<ShardInfo> newShardsBuilder = ImmutableList.builder();
    fragments.stream().map(fragment -> SHARD_DELTA_CODEC.fromJson(fragment.getBytes())).forEach(delta -> {
        oldShardUuidsBuilder.addAll(delta.getOldShardUuids());
        newShardsBuilder.addAll(delta.getNewShards());
    });
    Set<UUID> oldShardUuids = oldShardUuidsBuilder.build();
    List<ShardInfo> newShards = newShardsBuilder.build();
    OptionalLong updateTime = OptionalLong.of(session.getStartTime());
    log.info("Finishing delete for tableId %s (removed: %s, rewritten: %s)", tableId, oldShardUuids.size() - newShards.size(), newShards.size());
    shardManager.replaceShardUuids(transactionId, tableId, columns, oldShardUuids, newShards, updateTime);
    clearRollback();
}