Example usage for com.google.common.collect Maps transformEntries

Introduction

In this page you can find the example usage for com.google.common.collect Maps transformEntries.

Prototype

@GwtIncompatible("NavigableMap")
public static <K, V1, V2> NavigableMap<K, V2> transformEntries(NavigableMap<K, V1> fromMap,
        EntryTransformer<? super K, ? super V1, V2> transformer)

Source Link

Document

Returns a view of a navigable map whose values are derived from the original navigable map's entries.

Usage

From source file:org.onosproject.store.primitives.impl.DatabaseManager.java

@Activate
public void activate() {
    localNodeId = clusterService.getLocalNode().id();

    Map<PartitionId, Set<NodeId>> partitionMap = Maps.newHashMap();
    clusterMetadataService.getClusterMetadata().getPartitions().forEach(p -> {
        partitionMap.put(p.getId(), Sets.newHashSet(p.getMembers()));
    });//from  w  w w  .java  2s.  co m

    String[] activeNodeUris = partitionMap.values().stream().reduce((s1, s2) -> Sets.union(s1, s2)).get()
            .stream().map(this::nodeIdToUri).toArray(String[]::new);

    String localNodeUri = nodeIdToUri(clusterMetadataService.getLocalNode().id());
    Protocol protocol = new CopycatCommunicationProtocol(clusterService, clusterCommunicator);

    ClusterConfig clusterConfig = new ClusterConfig().withProtocol(protocol)
            .withElectionTimeout(electionTimeoutMillis(activeNodeUris))
            .withHeartbeatInterval(heartbeatTimeoutMillis(activeNodeUris)).withMembers(activeNodeUris)
            .withLocalMember(localNodeUri);

    CopycatConfig copycatConfig = new CopycatConfig().withName("onos").withClusterConfig(clusterConfig)
            .withDefaultSerializer(new DatabaseSerializer()).withDefaultExecutor(
                    Executors.newSingleThreadExecutor(new NamedThreadFactory("copycat-coordinator-%d")));

    coordinator = new DefaultClusterCoordinator(copycatConfig.resolve());

    Function<PartitionId, Log> logFunction = id -> id.asInt() == 0 ? newInMemoryLog() : newPersistentLog();

    Map<PartitionId, Database> databases = Maps.transformEntries(partitionMap, (k, v) -> {
        String[] replicas = v.stream().map(this::nodeIdToUri).toArray(String[]::new);
        DatabaseConfig config = newDatabaseConfig(String.format("p%s", k), logFunction.apply(k), replicas);
        return coordinator.<Database>getResource(config.getName(),
                config.resolve(clusterConfig).withSerializer(copycatConfig.getDefaultSerializer())
                        .withDefaultExecutor(copycatConfig.getDefaultExecutor()));
    });

    inMemoryDatabase = databases.remove(PartitionId.from(0));

    partitionedDatabase = new PartitionedDatabase("onos-store", databases.values());

    CompletableFuture<Void> status = coordinator.open().thenCompose(v -> CompletableFuture
            .allOf(inMemoryDatabase.open(), partitionedDatabase.open()).whenComplete((db, error) -> {
                if (error != null) {
                    log.error("Failed to initialize database.", error);
                } else {
                    log.info("Successfully initialized database.");
                }
            }));

    Futures.getUnchecked(status);

    AsyncConsistentMap<TransactionId, Transaction> transactions = this
            .<TransactionId, Transaction>consistentMapBuilder().withName("onos-transactions")
            .withSerializer(Serializer.using(KryoNamespaces.API, MapUpdate.class, MapUpdate.Type.class,
                    Transaction.class, Transaction.State.class))
            .buildAsyncMap();

    transactionManager = new TransactionManager(partitionedDatabase, transactions);
    partitionedDatabase.setTransactionManager(transactionManager);

    log.info("Started");
}

From source file:org.obm.imap.archive.treatment.TreatmentStepdefs.java

private ArrayList<SharedMailbox> usersMapToScopeSharedMailboxList(Map<String, Integer> sharedMailboxes) {
    return Lists.newArrayList(
            Maps.transformEntries(sharedMailboxes, new Maps.EntryTransformer<String, Integer, SharedMailbox>() {

                @Override/*from   www. ja v a 2 s .  c o  m*/
                public SharedMailbox transformEntry(String sharedMailbox, Integer id) {
                    return SharedMailbox.builder().name(sharedMailbox).id(id).build();
                }
            }).values());
}

From source file:com.google.devtools.build.lib.profiler.statistics.SkylarkStatistics.java

/**
 * Build a Map of {@link TasksStatistics} from the given duration maps.
 *//*from  w  w  w.  j  av a 2 s.c  o  m*/
private static Map<String, TasksStatistics> buildTasksStatistics(
        final Map<String, LongArrayList> durationsMap) {
    return Maps.transformEntries(durationsMap, new EntryTransformer<String, LongArrayList, TasksStatistics>() {
        @Override
        public TasksStatistics transformEntry(String function, LongArrayList durations) {
            return TasksStatistics.create(function, durations);
        }
    });
}

From source file:org.kie.workbench.common.screens.projecteditor.client.build.BuildExecutor.java

private void buildDeployWithMultipleServerTemplatesAvailable(Collection<ServerTemplate> serverTemplates,
        String defaultContainerId, String defaultContainerAlias, boolean defaultStartContainer) {
    final Map<String, ServerTemplate> serverTemplatesIds = Maps.uniqueIndex(serverTemplates, s -> s.getId());
    final Map<String, Set<String>> containerNames = Maps.transformEntries(serverTemplatesIds,
            (id, server) -> FluentIterable.from(server.getContainersSpec()).transform(c -> c.getContainerName())
                    .toSet());/*from  w  ww  .  ja  v  a  2  s .  c  o m*/
    deploymentScreenPopupView.addServerTemplates(
            FluentIterable.from(serverTemplatesIds.keySet()).toSortedSet(String.CASE_INSENSITIVE_ORDER));
    deploymentScreenPopupView.setValidateExistingContainerCallback(containerName -> FluentIterable
            .from(containerNames.get(deploymentScreenPopupView.getServerTemplate())).contains(containerName));
    deploymentScreenPopupView.setContainerId(defaultContainerId);
    deploymentScreenPopupView.setContainerAlias(defaultContainerAlias);
    deploymentScreenPopupView.setStartContainer(defaultStartContainer);
    deploymentScreenPopupView.configure(() -> {
        final String containerId = deploymentScreenPopupView.getContainerId();
        final String containerAlias = deploymentScreenPopupView.getContainerAlias();
        final String serverTemplate = deploymentScreenPopupView.getServerTemplate();
        final boolean startContainer = deploymentScreenPopupView.getStartContainer();

        getSafeExecutedCommand(getBuildDeployProvisionCommand(DeploymentMode.VALIDATED, containerId,
                containerAlias, serverTemplate, startContainer)).execute();

        deploymentScreenPopupView.hide();
    });
    deploymentScreenPopupView.show();
}

From source file:google.registry.tools.server.ListObjectsAction.java

/**
 * Computes the column widths of the given table of strings column-keyed by strings and returns
 * them as a map from column key name to integer width.  The column width is defined as the max
 * length of any string in that column, including the name of the column.
 *///from   w ww  .  j  a v a 2  s  . com
private static ImmutableMap<String, Integer> computeColumnWidths(ImmutableTable<?, String, String> data,
        final boolean includingHeader) {
    return ImmutableMap.copyOf(Maps.transformEntries(data.columnMap(),
            new Maps.EntryTransformer<String, Map<?, String>, Integer>() {
                @Override
                public Integer transformEntry(String columnName, Map<?, String> columnValues) {
                    // Return the length of the longest string in this column (including the column name).
                    return Ordering.natural()
                            .max(Iterables.transform(
                                    Iterables.concat(ImmutableList.of(includingHeader ? columnName : ""),
                                            columnValues.values()),
                                    new Function<String, Integer>() {
                                        @Override
                                        public Integer apply(String value) {
                                            return value.length();
                                        }
                                    }));
                }
            }));
}

From source file:io.atomix.core.election.impl.DefaultLeaderElectorService.java

@Override
public Map<String, Leadership<byte[]>> getLeaderships() {
    Map<String, Leadership<byte[]>> result = new HashMap<>();
    try {/*from w ww .j  ava 2s  .c om*/
        result.putAll(Maps.transformEntries(elections, (k, v) -> leadership(k)));
        return result;
    } catch (Exception e) {
        getLogger().error("State machine operation failed", e);
        throw Throwables.propagate(e);
    }
}

From source file:org.obm.imap.archive.treatment.TreatmentStepdefs.java

private ArrayList<ScopeUser> usersMapToScopeUserList(Map<String, String> users) {
    return Lists//from w  w  w.j  av  a  2  s . com
            .newArrayList(Maps.transformEntries(users, new Maps.EntryTransformer<String, String, ScopeUser>() {

                @Override
                public ScopeUser transformEntry(String user, String extId) {
                    return ScopeUser.builder().login(user).id(UserExtId.valueOf(extId)).build();
                }
            }).values());
}

From source file:com.nesscomputing.migratory.metadata.MetadataManager.java

public Map<String, Integer> retrieveCurrentVersions(final MigratoryOption... options) {
    return Maps.transformEntries(getStatus(null, options),
            new EntryTransformer<String, MetadataInfo, Integer>() {
                @Override/*from   w ww . ja v  a 2s .  c  o m*/
                public Integer transformEntry(final String name, final MetadataInfo info) {
                    return info.getEndVersion();
                }
            });
}

From source file:com.netflix.astyanax.thrift.AbstractThriftMutationBatchImpl.java

@Override
public Map<ByteBuffer, Set<String>> getRowKeys() {
    return Maps.transformEntries(mutationMap,
            new EntryTransformer<ByteBuffer, Map<String, List<Mutation>>, Set<String>>() {
                @Override/*from  w  w w.  j av  a 2 s .  c  om*/
                public Set<String> transformEntry(ByteBuffer key, Map<String, List<Mutation>> value) {
                    return value.keySet();
                }
            });
}

From source file:com.opower.rest.client.generator.hystrix.HystrixClient.java

private Map<Method, HystrixCommand.Setter> assembleHystrixCommandSetters() {
    return Maps.transformEntries(this.commandKeyMap,
            new Maps.EntryTransformer<Method, HystrixCommandKey, HystrixCommand.Setter>() {
                @Override//from   ww  w. j  ava  2 s  . c  o m
                public HystrixCommand.Setter transformEntry(Method method, HystrixCommandKey value) {
                    HystrixClient<T, B> builder = HystrixClient.this;
                    HystrixCommand.Setter setter = HystrixCommand.Setter.withGroupKey(builder.groupKey)
                            .andCommandKey(value)
                            .andCommandPropertiesDefaults(builder.commandPropertiesMap.get(method))
                            .andThreadPoolPropertiesDefaults(builder.threadPoolPropertiesMap.get(method));
                    if (builder.threadPoolKeysMap.containsKey(method)) {
                        setter.andThreadPoolKey(builder.threadPoolKeysMap.get(method));
                    }
                    return setter;
                }
            });
}