Java Code Examples for com.google.common.collect.Iterables#find()
The following examples show how to use
com.google.common.collect.Iterables#find() .
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Example 1
Source File: FindElementsInList.java From levelup-java-examples with Apache License 2.0 | 6 votes |
@Test public void find_elements_in_lists_with_guava () { List <Integer> numbers = Lists.newArrayList( new Integer(1), new Integer(2), new Integer(3)); Integer value = Iterables.find(numbers, new Predicate<Integer> () { public boolean apply(Integer number) { return number == 3 ; } }); assertEquals(new Integer(3), value); }
Example 2
Source File: CreateBuilderImpl.java From xian with Apache License 2.0 | 6 votes |
/** * Attempt to find the znode that matches the given path and protected id * * @param children a list of candidates znodes * @param path the path * @param protectedId the protected id * @return the absolute path of the znode or <code>null</code> if it is not found */ static String findNode(final List<String> children, final String path, final String protectedId) { final String protectedPrefix = getProtectedPrefix(protectedId); String foundNode = Iterables.find ( children, new Predicate<String>() { @Override public boolean apply(String node) { return node.startsWith(protectedPrefix); } }, null ); if ( foundNode != null ) { foundNode = ZKPaths.makePath(path, foundNode); } return foundNode; }
Example 3
Source File: RuntimeProjectUtil.java From dsl-devkit with Eclipse Public License 1.0 | 6 votes |
/** * Returns the file {@link IFile} based on its {@link URI}. * * @param uri * the URI of the resource for which an IFile is to be returned * @param mapper * class returning e.g. set of storages {@link IStorage} matching given URI; injected by concrete BuilderParticipant * @return the file associated with given URI */ public static IFile findFileStorage(final URI uri, final IStorage2UriMapper mapper) { Iterable<Pair<IStorage, IProject>> storages = mapper.getStorages(uri); try { Pair<IStorage, IProject> fileStorage = Iterables.find(storages, new Predicate<Pair<IStorage, IProject>>() { @Override public boolean apply(final Pair<IStorage, IProject> input) { IStorage storage = input.getFirst(); if (storage instanceof IFile) { return true; } return false; } }); return (IFile) fileStorage.getFirst(); } catch (NoSuchElementException e) { LOGGER.debug("Cannot find file storage for " + uri); //$NON-NLS-1$ return null; } }
Example 4
Source File: ApplicationResourceTest.java From brooklyn-server with Apache License 2.0 | 6 votes |
@Test(dependsOnMethods = "testDeployApplication") public void testGetApplicationOnFire() { Application app = Iterables.find(manager.getApplications(), EntityPredicates.displayNameEqualTo(simpleSpec.getName())); Lifecycle origState = app.getAttribute(Attributes.SERVICE_STATE_ACTUAL); ApplicationSummary summary = client().path("/applications/"+app.getId()) .get(ApplicationSummary.class); assertEquals(summary.getStatus(), Status.RUNNING); app.sensors().set(Attributes.SERVICE_STATE_ACTUAL, Lifecycle.ON_FIRE); try { ApplicationSummary summary2 = client().path("/applications/"+app.getId()) .get(ApplicationSummary.class); log.info("Application: " + summary2); assertEquals(summary2.getStatus(), Status.ERROR); } finally { app.sensors().set(Attributes.SERVICE_STATE_ACTUAL, origState); } }
Example 5
Source File: BasicTaskExecutionPerformanceTest.java From brooklyn-server with Apache License 2.0 | 6 votes |
@Test public void testExecutionManagerPerformance() throws Exception { // Was fixed at 1000 tasks, but was running out of virtual memory due to excessive thread creation // on machines which were not able to execute the threads quickly. final int NUM_TASKS = Math.min(500 * Runtime.getRuntime().availableProcessors(), 1000); final int NUM_TIMES = 10; final int MAX_ACCEPTABLE_TIME = 7500; // saw 5601ms on buildhive long tWarmup = execTasksAndWaitForDone(NUM_TASKS, ImmutableList.of("A")); List<Long> times = Lists.newArrayList(); for (int i = 1; i <= NUM_TIMES; i++) { times.add(execTasksAndWaitForDone(NUM_TASKS, ImmutableList.of("A"))); } Long toobig = Iterables.find( times, new Predicate<Long>() { @Override public boolean apply(Long input) { return input > MAX_ACCEPTABLE_TIME; }}, null); assertNull(toobig, "warmup="+tWarmup+"; times="+times); }
Example 6
Source File: DslAndRebindYamlTest.java From brooklyn-server with Apache License 2.0 | 5 votes |
@Test public void testDslInServiceReplacerPolicy() throws Exception { RecordingRebindExceptionHandler exceptionHandler = new RecordingRebindExceptionHandler(RecordingRebindExceptionHandler.builder() .strict()); Entity app = createAndStartApplication( "services:", "- type: "+DynamicCluster.class.getName(), " brooklyn.config:", " initialSize: 0", " brooklyn.policies:", " - type: "+ServiceReplacer.class.getName(), " brooklyn.config:", " failureSensorToMonitor: $brooklyn:sensor(\"ha.entityFailed\")"); waitForApplicationTasks(app); DynamicCluster cluster = (DynamicCluster) Iterables.getOnlyElement(app.getChildren()); ServiceReplacer policy = (ServiceReplacer) Iterables.find(cluster.policies(), Predicates.instanceOf(ServiceReplacer.class)); Sensor<?> sensor = policy.config().get(ServiceReplacer.FAILURE_SENSOR_TO_MONITOR); assertEquals(sensor.getName(), "ha.entityFailed"); rebind(RebindOptions.create().exceptionHandler(exceptionHandler)); Entity newApp = mgmt().getEntityManager().getEntity(app.getId()); DynamicCluster newCluster = (DynamicCluster) Iterables.getOnlyElement(newApp.getChildren()); ServiceReplacer newPolicy = (ServiceReplacer) Iterables.find(newCluster.policies(), Predicates.instanceOf(ServiceReplacer.class)); Sensor<?> newSensor2 = ((EntityInternal)newCluster).getExecutionContext().submit("get-policy-config", new Callable<Sensor<?>>() { public Sensor<?> call() { return newPolicy.config().get(ServiceReplacer.FAILURE_SENSOR_TO_MONITOR); }}) .get(); assertEquals(newSensor2.getName(), "ha.entityFailed"); }
Example 7
Source File: DynamicWebAppClusterRebindIntegrationTest.java From brooklyn-library with Apache License 2.0 | 5 votes |
@Test(groups = {"Integration","Broken"}) public void testRebindsToRunningCluster() throws Exception { DynamicWebAppCluster origCluster = app().createAndManageChild(EntitySpec.create(DynamicWebAppCluster.class) .configure("memberSpec", EntitySpec.create(JBoss7Server.class).configure("war", getTestWar())) .configure("initialSize", 1)); app().start(ImmutableList.of(localhostProvisioningLocation)); JBoss7Server origJboss = (JBoss7Server) Iterables.find(origCluster.getChildren(), Predicates.instanceOf(JBoss7Server.class)); String jbossUrl = origJboss.getAttribute(JBoss7Server.ROOT_URL); assertHttpStatusCodeEventuallyEquals(jbossUrl, 200); WebAppMonitor monitor = newWebAppMonitor(jbossUrl); // Rebind rebind(); DynamicWebAppCluster newCluster = (DynamicWebAppCluster) Iterables.find(app().getChildren(), Predicates.instanceOf(DynamicWebAppCluster.class)); assertHttpStatusCodeEquals(jbossUrl, 200); // Confirm the cluster is usable: we can scale-up assertEquals(newCluster.getCurrentSize(), (Integer)1); newCluster.resize(2); Iterable<Entity> newJbosses = Iterables.filter(newCluster.getChildren(), Predicates.instanceOf(JBoss7Server.class)); assertEquals(Iterables.size(newJbosses), 2); for (Entity j : newJbosses) { assertHttpStatusCodeEventuallyEquals(j.getAttribute(JBoss7Server.ROOT_URL), 200); } // Ensure while doing all of this the original jboss server remained reachable assertEquals(monitor.getFailures(), 0); // Ensure cluster is usable: we can scale back to stop the original jboss server newCluster.resize(0); assertUrlUnreachableEventually(jbossUrl); }
Example 8
Source File: WordsTokenEvaluator.java From putnami-web-toolkit with GNU Lesser General Public License v3.0 | 5 votes |
@Override public Token<?> evaluate(CharacterScanner charScanner) { int charScanned = charScanner.read(); if (this.wordDetector.isWordStart((char) charScanned)) { StringBuilder resultText = new StringBuilder(); do { resultText.append((char) charScanned); charScanned = charScanner.read(); } while (this.isWordPart(charScanned)); charScanner.unread(); WordMatcher matcher = Iterables.find(this.wordMatchers, new WordMatcherSelector(resultText.toString()), null); TokenContent content = null; if (matcher != null) { content = matcher.getTokenContent(); } if (content != null || this.defaultTokenContent != null) { content = content != null ? content : this.defaultTokenContent; return new SimpleToken<TokenContent>(charScanner.getMark(), resultText.toString(), content); } for (int i = 1; i < resultText.length(); i++) { charScanner.unread(); } } charScanner.unread(); return SimpleToken.UNDEFINED_TOKEN; }
Example 9
Source File: AndroidBuildVariants.java From NBANDROID-V2 with Apache License 2.0 | 5 votes |
@Nullable public static AndroidArtifact instrumentTestArtifact(Iterable<AndroidArtifact> artifacts) { return artifacts == null ? null : Iterables.find( artifacts, new Predicate<AndroidArtifact>() { @Override public boolean apply(AndroidArtifact a) { return AndroidProject.ARTIFACT_ANDROID_TEST.equals(a.getName()); } }, null); }
Example 10
Source File: IdentityYamlTest.java From brooklyn-server with Apache License 2.0 | 5 votes |
@Test public void testBrooklynIdentityFunction() throws Exception { Iterable<? extends Entity> testEntities = setupAndCheckTestEntityInBasicYamlWith(); Entity entityOne = Iterables.find(testEntities, EntityPredicates.displayNameEqualTo("Test Entity One")); Entity entityTwo = Iterables.find(testEntities, EntityPredicates.displayNameEqualTo("Test Entity Two")); Assert.assertNotNull(entityOne, "Test entity one should be present"); Assert.assertNotNull(entityTwo, "Test entity two should be present"); Assert.assertEquals(entityOne.config().get(TEST_ENTITY_ONE_ID), entityOne.getId(), "Entity one IDs should match"); Assert.assertEquals(entityOne.config().get(TEST_ENTITY_TWO_ID), entityTwo.getId(), "Entity two IDs should match"); }
Example 11
Source File: RebindFailuresTest.java From brooklyn-server with Apache License 2.0 | 5 votes |
@Test public void testFailureGeneratingMementoStillPersistsOtherEntities() throws Exception { MyEntity origE = origApp.createAndManageChild(EntitySpec.create(MyEntity.class)); MyEntity origFailingE = origApp.createAndManageChild(EntitySpec.create(MyEntity.class) .impl(MyEntityFailingImpl.class) .configure(MyEntityFailingImpl.FAIL_ON_GENERATE_MEMENTO, true)); newApp = rebind(RebindOptions.create().defaultExceptionHandler()); MyEntity newE = (MyEntity) Iterables.find(newApp.getChildren(), EntityPredicates.idEqualTo(origE.getId())); Optional<Entity> newFailingE = Iterables.tryFind(newApp.getChildren(), EntityPredicates.idEqualTo(origFailingE.getId())); // Expect origFailingE to never have been persisted, but origE to have worked assertNotNull(newE); assertFalse(newFailingE.isPresent(), "newFailedE="+newFailingE); }
Example 12
Source File: ThreadStatusDataProvider.java From tracecompass with Eclipse Public License 2.0 | 5 votes |
/** * Get the thread entry id for a given TID and time * * @param tid * queried TID * @param time * queried time stamp * @return the id for the desired thread or -1 if it does not exist */ private long findEntry(int tid, long time) { /* * FIXME TreeMultimap values are Navigable Sets sorted by start time, find the * values using floor and the relevant anonymous class if ever the iteration * below slows down. */ ThreadEntryModel.Builder entry = Iterables.find(fTidToEntry.get(tid), cfe -> cfe.getStartTime() <= time && time <= cfe.getEndTime(), null); return entry != null ? entry.getId() : fTraceId; }
Example 13
Source File: RebindEntityTest.java From brooklyn-server with Apache License 2.0 | 5 votes |
@Test public void testRestoresEntityDependentConfigUncompleted() throws Exception { origApp.createAndManageChild(EntitySpec.create(MyEntity.class) .configure("myconfig", DependentConfiguration.attributeWhenReady(origApp, TestApplication.MY_ATTRIBUTE))); newApp = rebind(); MyEntity newE = (MyEntity) Iterables.find(newApp.getChildren(), Predicates.instanceOf(MyEntity.class)); // because Task is not persisted; should log a warning above newApp.sensors().set(TestApplication.MY_ATTRIBUTE, "myval"); assertEquals(newE.getConfig(MyEntity.MY_CONFIG), null); }
Example 14
Source File: AbstractCheckTestCase.java From dsl-devkit with Eclipse Public License 1.0 | 5 votes |
/** * Gets the file with given file name. * * @param fileName * the file name * @return the file */ private IFile getFile(final String fileName) { return Iterables.find(files, new Predicate<IFile>() { @Override public boolean apply(final IFile input) { return getFileName(fileName).equals(input.getName()); } }); }
Example 15
Source File: HaPolicyRebindTest.java From brooklyn-server with Apache License 2.0 | 5 votes |
@Test public void testServiceReplacerWorksAfterRebind() throws Exception { Location origLoc = origManagementContext.getLocationManager().createLocation(LocationSpec.create(SimulatedLocation.class)); DynamicCluster origCluster = origApp.createAndManageChild(EntitySpec.create(DynamicCluster.class) .configure(DynamicCluster.MEMBER_SPEC, EntitySpec.create(TestEntity.class)) .configure(DynamicCluster.INITIAL_SIZE, 3)); origApp.start(ImmutableList.<Location>of(origLoc)); origCluster.policies().add(PolicySpec.create(ServiceReplacer.class) .configure(ServiceReplacer.FAILURE_SENSOR_TO_MONITOR, HASensors.ENTITY_FAILED)); // rebind TestApplication newApp = rebind(); final DynamicCluster newCluster = (DynamicCluster) Iterables.find(newApp.getChildren(), Predicates.instanceOf(DynamicCluster.class)); // stimulate the policy final Set<Entity> initialMembers = ImmutableSet.copyOf(newCluster.getMembers()); final TestEntity e1 = (TestEntity) Iterables.get(initialMembers, 1); newApp.getManagementContext().getSubscriptionManager().subscribe(e1, HASensors.ENTITY_FAILED, eventListener); newApp.getManagementContext().getSubscriptionManager().subscribe(e1, HASensors.ENTITY_RECOVERED, eventListener); e1.sensors().emit(HASensors.ENTITY_FAILED, new FailureDescriptor(e1, "simulate failure")); // Expect e1 to be replaced Asserts.succeedsEventually(new Runnable() { @Override public void run() { Set<Entity> newMembers = Sets.difference(ImmutableSet.copyOf(newCluster.getMembers()), initialMembers); Set<Entity> removedMembers = Sets.difference(initialMembers, ImmutableSet.copyOf(newCluster.getMembers())); assertEquals(removedMembers, ImmutableSet.of(e1)); assertEquals(newMembers.size(), 1); assertEquals(((TestEntity)Iterables.getOnlyElement(newMembers)).getCallHistory(), ImmutableList.of("start")); // TODO e1 not reporting "start" after rebind because callHistory is a field rather than an attribute, so was not persisted Asserts.assertEqualsIgnoringOrder(e1.getCallHistory(), ImmutableList.of("stop")); assertFalse(Entities.isManaged(e1)); }}); }
Example 16
Source File: ConfigInheritanceYamlTest.java From brooklyn-server with Apache License 2.0 | 5 votes |
@Test public void testExtendsRuntimeParentMultipleLevels() throws Exception { addCatalogItems( "brooklyn.catalog:", " itemType: entity", " items:", " - id: TestEntity-with-conf", " item:", " type: org.apache.brooklyn.core.test.entity.TestEntity", " brooklyn.parameters:", " - name: map.type-merged", " type: java.util.Map", " inheritance.runtime: deep_merge"); String yaml = Joiner.on("\n").join( "location: localhost-stub", "services:", "- type: "+BasicApplication.class.getName(), " brooklyn.config:", " map.type-merged:", " mykey1: myval1", " brooklyn.children:", " - type: "+BasicApplication.class.getName(), " brooklyn.config:", " map.type-merged:", " mykey2: myval2", " brooklyn.children:", " - type: TestEntity-with-conf", " brooklyn.config:", " map.type-merged:", " mykey3: myval3"); Entity app = createStartWaitAndLogApplication(yaml); Entity entity = Iterables.find(Entities.descendantsAndSelf(app), Predicates.instanceOf(TestEntity.class)); assertEquals(entity.config().get(entity.getEntityType().getConfigKey("map.type-merged")), ImmutableMap.<String, Object>of("mykey1", "myval1", "mykey2", "myval2", "mykey3", "myval3")); }
Example 17
Source File: ServiceFailureDetectorYamlTest.java From brooklyn-server with Apache License 2.0 | 5 votes |
@Test public void testWithDslConfigReferenceParentDefault() throws Exception { Entity app = runTest(catalogYamlWithDslReferenceParentDefault, appVersionedId); TestEntity newEntity = (TestEntity) Iterables.find(app.getChildren(), EntityPredicates.displayNameEqualTo("targetEntity")); ServiceFailureDetector newEnricher = assertHasEnricher(newEntity, ServiceFailureDetector.class); assertEnricherConfigMatchesDsl(newEnricher); }
Example 18
Source File: UsState.java From exhibitor with Apache License 2.0 | 4 votes |
public static ServerSpec findUs(Exhibitor exhibitor, List<ServerSpec> specs) { return Iterables.find(specs, ServerList.isUs(exhibitor.getThisJVMHostname()), null); }
Example 19
Source File: SshCommandSensorYamlRebindTest.java From brooklyn-server with Apache License 2.0 | 4 votes |
@Test public void testSshCommandSensorWithEffectorInEnv() throws Exception { RecordingSshTool.setCustomResponse(".*myCommand.*", new RecordingSshTool.CustomResponse(0, "myResponse", null)); createStartWaitAndLogApplication( "location:", " localhost:", " sshToolClass: "+RecordingSshTool.class.getName(), "services:", "- type: " + VanillaSoftwareProcess.class.getName(), " brooklyn.config:", " onbox.base.dir.skipResolution: true", " brooklyn.initializers:", " - type: org.apache.brooklyn.core.sensor.ssh.SshCommandSensor", " brooklyn.config:", " name: mySensor", " command: myCommand", " executionDir: '/path/to/myexecutiondir'", " shell.env:", " MY_ENV: myEnvVal", " period: 10ms", " onlyIfServiceUp: false"); StartableApplication newApp = rebind(); VanillaSoftwareProcess newEntity = (VanillaSoftwareProcess) Iterables.getOnlyElement(newApp.getChildren()); SshFeed newFeed = (SshFeed) Iterables.find(((EntityInternal)newEntity).feeds().getFeeds(), Predicates.instanceOf(SshFeed.class)); // Clear history of commands, and the sensor, so can confirm it gets re-set by the ssh feed RecordingSshTool.clearCmdHistory(); newEntity.sensors().set(Sensors.newStringSensor("mySensor"), null); // Assert sensor is set, and command is executed as expected EntityAsserts.assertAttributeEqualsEventually(newEntity, Sensors.newStringSensor("mySensor"), "myResponse"); ExecCmd cmd = Asserts.succeedsEventually(() -> RecordingSshTool.getLastExecCmd()); assertTrue(cmd.commands.toString().contains("myCommand"), "cmds="+cmd.commands); assertEquals(cmd.env.get("MY_ENV"), "myEnvVal", "env="+cmd.env); assertTrue(cmd.commands.toString().contains("/path/to/myexecutiondir"), "cmds="+cmd.commands); // Confirm feed's memento is 'clean' - no anonymous inner classes BrooklynMementoRawData rawMemento = loadMementoRawData(); String rawFeedMemento = rawMemento.getFeeds().get(newFeed.getId()); assertFalse(rawFeedMemento.contains("$1"), rawFeedMemento); assertFalse(rawFeedMemento.contains("$2"), rawFeedMemento); assertFalse(rawFeedMemento.contains("$3"), rawFeedMemento); }
Example 20
Source File: DefaultJavaLibraryTest.java From buck with Apache License 2.0 | 4 votes |
public JavacStep getJavacStep(Iterable<Step> steps) { Step step = Iterables.find(steps, command -> command instanceof JavacStep); assertNotNull("Expected a JavacStep in the steplist.", step); return (JavacStep) step; }