Example usage for com.google.common.base Optional isPresent

List of usage examples for com.google.common.base Optional isPresent

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Introduction

In this page you can find the example usage for com.google.common.base Optional isPresent.

Prototype

public abstract boolean isPresent();

Source Link

Document

Returns true if this holder contains a (non-null) instance.

Usage

From source file:org.opendaylight.groupbasedpolicy.neutron.mapper.util.MappingUtils.java

public static ForwardingCtx createForwardingContext(TenantId tenantId, L2FloodDomainId l2FdId,
        ReadTransaction rTx) {//from w  ww .java 2 s. co  m
    Optional<L2FloodDomain> potentialL2Fd = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION,
            IidFactory.l2FloodDomainIid(tenantId, l2FdId), rTx);
    if (!potentialL2Fd.isPresent()) {
        return new ForwardingCtx(null, null, null);
    }
    L2BridgeDomainId l2BdId = potentialL2Fd.get().getParent();
    if (l2BdId == null) {
        return new ForwardingCtx(potentialL2Fd.get(), null, null);
    }
    Optional<L2BridgeDomain> potentialL2Bd = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION,
            IidFactory.l2BridgeDomainIid(tenantId, l2BdId), rTx);
    if (!potentialL2Bd.isPresent()) {
        return new ForwardingCtx(potentialL2Fd.get(), null, null);
    }
    L3ContextId l3ContextId = potentialL2Bd.get().getParent();
    if (l3ContextId == null) {
        return new ForwardingCtx(potentialL2Fd.get(), potentialL2Bd.get(), null);
    }
    Optional<L3Context> potentialL3Context = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION,
            IidFactory.l3ContextIid(tenantId, l3ContextId), rTx);
    if (!potentialL3Context.isPresent()) {
        return new ForwardingCtx(potentialL2Fd.get(), potentialL2Bd.get(), null);
    }
    return new ForwardingCtx(potentialL2Fd.get(), potentialL2Bd.get(), potentialL3Context.get());
}

From source file:io.scigraph.services.jersey.MultivaluedMapUtils.java

/***
 * Converts a {@link MultivaluedMap} to a {@link Multimap}.
 * //  w w  w.  ja  v a 2  s . com
 * @param map the original map
 * @param separator an optional separator to further split the values in the map
 * @return the new multimap
 */
public static Multimap<String, Object> multivaluedMapToMultimap(MultivaluedMap<String, String> map,
        Optional<Character> separator) {
    Multimap<String, Object> merged = ArrayListMultimap.create();
    for (Entry<String, List<String>> entry : map.entrySet()) {
        for (String value : entry.getValue()) {
            if (separator.isPresent()) {
                merged.putAll(entry.getKey(), Splitter.on(separator.get()).split(value));
            } else {
                merged.put(entry.getKey(), value);
            }
        }
    }
    return merged;
}

From source file:net.caseif.voxem.world.Block.java

public static boolean isAir(Optional<Block> block) {
    return !block.isPresent() || block.get().getType() == Material.AIR;
}

From source file:org.pau.assetmanager.business.HistoricalStockValuesBusiness.java

public static Optional<Double> converSymbolToEuro(String symbol, Double value) {
    Optional<Double> valueInDollars = Optional.absent();
    if (symbol.contains(".")) {
        // check if the market is supported
        String marketSymbol = symbol.split("\\.")[1];
        for (String pattern : HistoricalStocksValuesDownloader.LABEL_TO_CURRENCY_MAP.keySet()) {
            if (marketSymbol.matches(pattern)) {
                // supported, we get the change
                String marketSymbolYahoo = HistoricalStocksValuesDownloader.LABEL_TO_CURRENCY_MAP.get(pattern);
                Optional<HistoricalStockValue> currencyLastHistoricalValue = getHistoricalLastValueForSymbol(
                        marketSymbolYahoo);
                if (currencyLastHistoricalValue.isPresent()) {
                    valueInDollars = Optional.of(value / currencyLastHistoricalValue.get().getValue());
                }//from w  ww .  j av  a2s  .c o m
            }
        }
    } else {
        // no market, we assume dollars (American market)
        valueInDollars = Optional.of(value);
    }
    if (valueInDollars.isPresent()) {
        // convert to euros
        Optional<HistoricalStockValue> currencyLastHistoricalValue = getHistoricalLastValueForSymbol(
                HistoricalStocksValuesDownloader.EURO);
        if (currencyLastHistoricalValue.isPresent()) {
            return Optional.of(valueInDollars.get() * currencyLastHistoricalValue.get().getValue());
        }
    }
    return Optional.absent();
}

From source file:org.opendaylight.netconf.util.osgi.NetconfConfigUtil.java

/**
 * @param context   from which properties are being read.
 * @param infixProp either tcp or ssh/*from  ww w.j  a  va2s .  c o  m*/
 * @return value if address and port are present and valid, Optional.absent otherwise.
 */
public static Optional<InetSocketAddress> extractNetconfServerAddress(final BundleContext context,
        final InfixProp infixProp) {

    final Optional<String> address = getProperty(context, getNetconfServerAddressKey(infixProp));
    final Optional<String> port = getProperty(context, PREFIX_PROP + infixProp + PORT_SUFFIX_PROP);

    if (address.isPresent() && port.isPresent()) {
        try {
            return Optional.of(parseAddress(address, port));
        } catch (final IllegalArgumentException | SecurityException e) {
            LOG.warn("Unable to parse {} netconf address from {}:{}, fallback to default", infixProp, address,
                    port, e);
        }
    }
    return Optional.absent();
}

From source file:org.opendaylight.controller.netconf.util.osgi.NetconfConfigUtil.java

/**
 * @param context   from which properties are being read.
 * @param infixProp either tcp or ssh/*  w  w w  . jav a  2 s . c  o m*/
 * @return value if address and port are present and valid, Optional.absent otherwise.
 * @throws IllegalStateException if address or port are invalid, or configuration is missing
 */
public static Optional<InetSocketAddress> extractNetconfServerAddress(final BundleContext context,
        final InfixProp infixProp) {

    final Optional<String> address = getProperty(context, getNetconfServerAddressKey(infixProp));
    final Optional<String> port = getProperty(context, PREFIX_PROP + infixProp + PORT_SUFFIX_PROP);

    if (address.isPresent() && port.isPresent()) {
        try {
            return Optional.of(parseAddress(address, port));
        } catch (final RuntimeException e) {
            LOG.warn("Unable to parse {} netconf address from {}:{}, fallback to default", infixProp, address,
                    port, e);
        }
    }
    return Optional.absent();
}

From source file:alluxio.cli.validation.Utils.java

/**
 * Checks whether a path is the mounting point of a RAM disk volume.
 *
 * @param path  a string represents the path to be checked
 * @param fsTypes an array of strings represents expected file system type
 * @return true if the path is the mounting point of volume with one of the given fsTypes,
 *         false otherwise//  www  . j a  v a2s.  c o m
 * @throws IOException if the function fails to get the mount information of the system
 */
public static boolean isMountingPoint(String path, String[] fsTypes) throws IOException {
    List<UnixMountInfo> infoList = ShellUtils.getUnixMountInfo();
    for (UnixMountInfo info : infoList) {
        Optional<String> mountPoint = info.getMountPoint();
        Optional<String> fsType = info.getFsType();
        if (mountPoint.isPresent() && mountPoint.get().equals(path) && fsType.isPresent()) {
            for (String expectedType : fsTypes) {
                if (fsType.get().equalsIgnoreCase(expectedType)) {
                    return true;
                }
            }
        }
    }
    return false;
}

From source file:de.azapps.mirakel.settings.model_settings.special_list.dialogfragments.editfragments.ConjunctionFragment.java

private static SpecialListsConjunctionList getRootProperty(
        @NonNull final Optional<SpecialListsBaseProperty> where, @NonNull final List<Integer> backStack) {
    if (where.isPresent()) {
        if (where.get() instanceof SpecialListsConjunctionList) {
            SpecialListsConjunctionList currentProperty = (SpecialListsConjunctionList) where.get();
            for (int i = 0; i < backStack.size(); i++) {
                if (backStack.get(i) == NEW_PROPERTY) {
                    final SpecialListsConjunctionList newList = new SpecialListsConjunctionList(
                            (currentProperty.getConjunction() == SpecialListsConjunctionList.CONJUNCTION.AND)
                                    ? SpecialListsConjunctionList.CONJUNCTION.OR
                                    : SpecialListsConjunctionList.CONJUNCTION.AND,
                            new ArrayList<SpecialListsBaseProperty>());
                    backStack.set(i, currentProperty.getChilds().size());
                    currentProperty.getChilds().add(newList);
                    return newList;
                }//from  w  ww  . j  a  v  a  2  s .  c  om
                if (currentProperty.getChilds().get(backStack.get(i)) instanceof SpecialListsConjunctionList) {
                    currentProperty = (SpecialListsConjunctionList) currentProperty.getChilds()
                            .get(backStack.get(i));
                } else {
                    final List<SpecialListsBaseProperty> childs = new ArrayList<>(1);
                    childs.add(currentProperty.getChilds().get(backStack.get(i)));
                    currentProperty = new SpecialListsConjunctionList(
                            (currentProperty.getConjunction() == SpecialListsConjunctionList.CONJUNCTION.AND)
                                    ? SpecialListsConjunctionList.CONJUNCTION.OR
                                    : SpecialListsConjunctionList.CONJUNCTION.AND,
                            childs);
                    break;
                }
            }
            return currentProperty;
        }
    }
    return new SpecialListsConjunctionList(SpecialListsConjunctionList.CONJUNCTION.AND,
            new ArrayList<SpecialListsBaseProperty>(0));
}

From source file:org.opendaylight.vpnservice.itm.confighelpers.ItmInternalTunnelDeleteWorker.java

private static boolean checkIfTrunkExists(BigInteger srcDpnId, BigInteger dstDpnId,
        Class<? extends TunnelTypeBase> tunType, DataBroker dataBroker) {
    boolean existsFlag = false;
    InstanceIdentifier<InternalTunnel> path = InstanceIdentifier.create(TunnelList.class)
            .child(InternalTunnel.class, new InternalTunnelKey(dstDpnId, srcDpnId, tunType));
    Optional<InternalTunnel> internalTunnels = ItmUtils.read(LogicalDatastoreType.CONFIGURATION, path,
            dataBroker);//from   w  w  w.  j  av  a 2  s . c om
    if (internalTunnels.isPresent())
        existsFlag = true;
    return existsFlag;
}

From source file:org.icgc.dcc.release.job.join.task.ObservationJoinTask.java

private static Function<Tuple2<String, SsmPrimaryFeatureType>, Boolean> filterControlledRecords() {
    return t -> {
        SsmPrimaryFeatureType row = t._2;
        Optional<Marking> marking = Marking.from(row.getMarking());
        checkState(marking.isPresent(), "Failed to resolve marking from %s", row);

        return !marking.get().isControlled();
    };//w  w w  .  j a  va 2s  .c  o  m
}