Example usage for com.google.common.base Functions toStringFunction

Introduction

In this page you can find the example usage for com.google.common.base Functions toStringFunction.

Prototype

public static Function<Object, String> toStringFunction()

Source Link

Document

Returns a function that calls toString() on its argument.

Usage

From source file:de.learnlib.algorithms.features.observationtable.writer.AbstractObservationTableWriter.java

public AbstractObservationTableWriter() {
    this(Functions.toStringFunction(), Functions.toStringFunction());
}

From source file:com.eucalyptus.auth.ws.EuareRequestLoggingFilter.java

private static Iterable<String> buildActionNVPs(final String action) {
    return Iterables.unmodifiableIterable(Iterables.transform(Arrays.asList(OperationParameter.values()),
            Functions.compose(Strings.append("=" + action), Functions.toStringFunction())));
}

From source file:org.apache.aurora.common.args.parsers.UnitParser.java

public UnitParser() {
    unitValues = Maps.uniqueIndex(
            ImmutableList.<Unit<?>>builder().add(Time.values()).add(Data.values()).build(),
            Functions.toStringFunction());
}

From source file:com.b2international.commons.collections.LongArrayTransformedToSet.java

@Override
public Iterator<String> iterator() {
    return Iterators.transform(Longs.asList(elements).iterator(), Functions.toStringFunction());
}

From source file:br.com.objectos.way.io.IsXlsWritableLineBuilder.java

public <T extends IsXlsWritable> List<String> transform(List<T> writables) {
    List<Row> moreRows;/*from  w  w w. ja  v a 2  s  .c om*/
    moreRows = Lists.transform(writables, new IsXlsWritableToRow());

    rows.addAll(moreRows);

    List<String> strings;
    strings = Lists.transform(rows, Functions.toStringFunction());

    return ImmutableList.copyOf(strings);
}

From source file:at.ac.univie.isc.asio.nest.InferJdbcSchema.java

@Nonnull
@Override//from   w w  w. ja  v  a2  s  .c  om
public NestConfig apply(final NestConfig input) {
    final Jdbc jdbc = input.getJdbc();
    final Optional<String> dataset = Optional.fromNullable(input.getDataset().getName())
            .transform(Functions.toStringFunction());
    if (jdbc.getSchema() == null) {
        jdbc.setSchema(JdbcTools.inferSchema(jdbc.getUrl()).or(dataset).orNull());
    }
    return input;
}

From source file:de.learnlib.algorithms.features.observationtable.writer.AbstractObservationTableWriter.java

protected static <T> Function<? super T, ? extends String> safeToStringFunction(
        Function<? super T, ? extends String> toStringFunction) {
    if (toStringFunction != null) {
        return toStringFunction;
    }//from   w w  w .  ja  v a 2 s . c  o  m
    return Functions.toStringFunction();
}

From source file:org.immutables.value.processor.meta.FactoryMethodAttributesCollector.java

private static ImmutableList<String> extractThrowsClause(ExecutableElement factoryMethodElement) {
    return FluentIterable.from(factoryMethodElement.getThrownTypes()).transform(Functions.toStringFunction())
            .toList();/*from w w  w.  j ava2  s .  c  o m*/
}

From source file:org.apache.whirr.service.puppet.functions.ModulePropertiesFromConfiguration.java

public Map<String, String> apply(final Configuration config) {
    Iterator<String> allKeys = Iterators.transform(config.getKeys(), Functions.toStringFunction());
    Set<String> moduleKeys = Sets.newHashSet(Iterators.<String>filter(allKeys, Predicates.and(
            Predicates.containsPattern(PUPPET + "\\.[^.]+\\." + MODULE_SOURCE_SUBKEY), new Predicate<String>() {

                @Override/*from w  ww  . j a  va 2  s  . co  m*/
                public boolean apply(String arg0) {
                    // TODO not sure that we have to check this
                    return config.getString(arg0, null) != null;
                }

            })));
    Builder<String, String> builder = ImmutableMap.<String, String>builder();
    for (String key : moduleKeys) {
        builder.put(key, config.getString(key));
    }
    return builder.build();
}

From source file:org.apache.helix.util.RebalanceUtil.java

public static Map<String, Object> buildInternalIdealState(IdealState state) {
    // Try parse the partition number from name DB_n. If not, sort the partitions and
    // assign id//from   w  w  w  . ja v a  2  s  .c  o  m
    Map<String, Integer> partitionIndex = new HashMap<String, Integer>();
    Map<String, String> reversePartitionIndex = new HashMap<String, String>();
    boolean indexInPartitionName = true;
    for (PartitionId partitionId : state.getPartitionIdSet()) {
        String partitionName = partitionId.stringify();
        int lastPos = partitionName.lastIndexOf("_");
        if (lastPos < 0) {
            indexInPartitionName = false;
            break;
        }
        try {
            String idStr = partitionName.substring(lastPos + 1);
            int partition = Integer.parseInt(idStr);
            partitionIndex.put(partitionName, partition);
            reversePartitionIndex.put(state.getResourceId().stringify() + "_" + partition, partitionName);
        } catch (Exception e) {
            indexInPartitionName = false;
            partitionIndex.clear();
            reversePartitionIndex.clear();
            break;
        }
    }

    if (indexInPartitionName == false) {
        List<String> partitions = new ArrayList<String>();
        partitions.addAll(
                Lists.transform(Lists.newArrayList(state.getPartitionIdSet()), Functions.toStringFunction()));
        Collections.sort(partitions);
        for (int i = 0; i < partitions.size(); i++) {
            partitionIndex.put(partitions.get(i), i);
            reversePartitionIndex.put(state.getResourceId().stringify() + "_" + i, partitions.get(i));
        }
    }

    Map<String, List<Integer>> nodeMasterAssignmentMap = new TreeMap<String, List<Integer>>();
    Map<String, Map<String, List<Integer>>> combinedNodeSlaveAssignmentMap = new TreeMap<String, Map<String, List<Integer>>>();
    for (PartitionId partition : state.getPartitionIdSet()) {
        List<String> instances = state.getRecord().getListField(partition.stringify());
        String master = instances.get(0);
        if (!nodeMasterAssignmentMap.containsKey(master)) {
            nodeMasterAssignmentMap.put(master, new ArrayList<Integer>());
        }
        if (!combinedNodeSlaveAssignmentMap.containsKey(master)) {
            combinedNodeSlaveAssignmentMap.put(master, new TreeMap<String, List<Integer>>());
        }
        nodeMasterAssignmentMap.get(master).add(partitionIndex.get(partition));
        for (int i = 1; i < instances.size(); i++) {
            String instance = instances.get(i);
            Map<String, List<Integer>> slaveMap = combinedNodeSlaveAssignmentMap.get(master);
            if (!slaveMap.containsKey(instance)) {
                slaveMap.put(instance, new ArrayList<Integer>());
            }
            slaveMap.get(instance).add(partitionIndex.get(partition));
        }
    }

    Map<String, Object> result = new TreeMap<String, Object>();
    result.put("PrimaryAssignmentMap", nodeMasterAssignmentMap);
    result.put("SecondaryAssignmentMap", combinedNodeSlaveAssignmentMap);
    result.put("replicas", Integer.parseInt(state.getReplicas()));
    result.put("partitions", new Integer(state.getRecord().getListFields().size()));
    result.put("reversePartitionIndex", reversePartitionIndex);
    return result;
}