Example usage for com.google.common.collect Iterables transform

Introduction

In this page you can find the example usage for com.google.common.collect Iterables transform.

Prototype

@CheckReturnValue
public static <F, T> Iterable<T> transform(final Iterable<F> fromIterable,
        final Function<? super F, ? extends T> function)

Source Link

Document

Returns an iterable that applies function to each element of fromIterable .

Usage

From source file:com.atlassian.jira.rest.client.domain.EntityHelper.java

public static Iterable<String> toNamesList(Iterable<? extends NamedEntity> items) {
    return Iterables.transform(items, new Function<NamedEntity, String>() {
        @Override//from   ww  w .jav a2 s. com
        public String apply(NamedEntity from) {
            return from.getName();
        }
    });
}

From source file:org.apache.druid.indexer.path.HadoopGlobPathSplitter.java

/**
 * Splits given hadoop glob path by commas.
 * e.g. splitGlob("/a,/b") -> ["/a","/b"]
 * splitGlob("/a/{c,d}") -> ["/a/c", "/a/d"]
 *//*w  ww.j av  a 2  s .  co  m*/
public static Iterable<String> splitGlob(String path) {
    return Iterables.transform(splitGlob(new CharStream(path)), Functions.toStringFunction());
}

From source file:com.google.gerrit.acceptance.rest.account.AccountAssert.java

public static void assertAccountInfos(List<TestAccount> expected, List<AccountInfo> actual) {
    Iterable<Account.Id> expectedIds = TestAccount.ids(expected);
    Iterable<Account.Id> actualIds = Iterables.transform(actual, a -> new Account.Id(a._accountId));
    assertThat(actualIds).containsExactlyElementsIn(expectedIds).inOrder();
    for (int i = 0; i < expected.size(); i++) {
        AccountAssert.assertAccountInfo(expected.get(i), actual.get(i));
    }/*from   w  w w .  j  a v  a  2  s. c om*/
}

From source file:org.killbill.billing.invoice.dao.InvoiceModelDaoHelper.java

public static BigDecimal getBalance(final InvoiceModelDao invoiceModelDao) {
    return InvoiceCalculatorUtils.computeInvoiceBalance(invoiceModelDao.getCurrency(), Iterables
            .transform(invoiceModelDao.getInvoiceItems(), new Function<InvoiceItemModelDao, InvoiceItem>() {
                @Override//  w  w w.  java  2  s  .c  o m
                public InvoiceItem apply(final InvoiceItemModelDao input) {
                    return InvoiceItemFactory.fromModelDao(input);
                }
            }), Iterables.transform(invoiceModelDao.getInvoicePayments(),
                    new Function<InvoicePaymentModelDao, InvoicePayment>() {
                        @Nullable
                        @Override
                        public InvoicePayment apply(final InvoicePaymentModelDao input) {
                            return new DefaultInvoicePayment(input);
                        }
                    }),
            invoiceModelDao.isMigrated() || invoiceModelDao.isWrittenOff());
}

From source file:org.apache.cassandra.cql3.Terms.java

public static Iterable<Function> getFunctions(Iterable<Term> terms) {
    if (terms == null)
        return Collections.emptySet();

    return Iterables.concat(Iterables.transform(terms, TO_FUNCTION_ITERABLE));
}

From source file:com.reprezen.kaizen.oasparser.jsonoverlay.coll.CollectionData.java

public static <OV extends JsonOverlay<?>> CollectionData<OV> of(Collection<OV> data) {
    return new CollectionData<OV>(Iterables.transform(data, new Function<OV, Entry<String, OV>>() {
        @Override//from   w ww.  java2s  . co m
        public Entry<String, OV> apply(OV overlay) {
            return new SimpleEntry<>(overlay.getKey(), overlay);
        }
    }));
}

From source file:org.apache.jackrabbit.oak.plugins.memory.MemoryChildNodeEntry.java

public static <E extends Entry<String, ? extends NodeState>> Iterable<ChildNodeEntry> iterable(
        Iterable<E> set) {//from   www  . j  a  v  a 2s  .com
    return Iterables.transform(set, new Function<Entry<String, ? extends NodeState>, ChildNodeEntry>() {
        @Override
        public ChildNodeEntry apply(Entry<String, ? extends NodeState> entry) {
            return new MemoryChildNodeEntry(entry.getKey(), entry.getValue());
        }
    });
}

From source file:see.util.Reduce.java

/**
 * Apply a function to each element of a collection, and concatenate results.
 * Operation is lazy - collections won't be queried in process.
 *
 * @param initial initial collection//from w  w  w. j a  v a  2 s. co m
 * @param f function, which from element of initial collection to separate collection
 * @param <A> initial collection type
 * @param <B> resulting collection type
 * @return lazy collection, formed from applying function and concatenating results.
 */
public static <A, B> Iterable<B> flatMap(Iterable<A> initial, Function<? super A, ? extends Iterable<B>> f) {
    return Iterables.concat(Iterables.transform(initial, f));
}

From source file:com.google.devtools.build.lib.skyframe.AspectCompletionValue.java

public static Iterable<SkyKey> keys(Collection<AspectValue> targets, final TopLevelArtifactContext ctx) {
    return Iterables.transform(targets, new Function<AspectValue, SkyKey>() {
        @Override//from   w ww  .  j  av a 2 s.co m
        public SkyKey apply(AspectValue aspectValue) {
            return SkyKey.create(SkyFunctions.ASPECT_COMPLETION,
                    AspectCompletionKey.create(aspectValue.getKey(), ctx));
        }
    });
}

From source file:com.facebook.buck.cli.TargetGraphTestParsing.java

public static TargetGraph expandedTargetGraphToIncludeTestsForTargets(ProjectGraphParser parser,
        TargetGraph original, ImmutableSet<BuildTarget> targets) throws IOException, InterruptedException {
    ImmutableSet<BuildTarget> explicitTestTargets;
    explicitTestTargets = TargetGraphAndTargets.getExplicitTestTargets(targets, original, true);
    Iterable<BuildTarget> targetsWithTests = Sets.union(targets, explicitTestTargets);

    return parser.buildTargetGraphForTargetNodeSpecs(
            Iterables.transform(targetsWithTests, BuildTargetSpec.TO_BUILD_TARGET_SPEC));
}