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

List of usage examples for com.google.common.collect Iterables size

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Introduction

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

Prototype

public static int size(Iterable<?> iterable)

Source Link

Document

Returns the number of elements in iterable .

Usage

From source file:org.immutables.sequence.Sequence.java

/**
 * Returns the number of elements in this fluent iterable.
 * @return the int/*from   w ww .  j  a v a 2  s  .  c  om*/
 */
public final int size() {
    return Iterables.size(iterable);
}

From source file:io.druid.indexer.IndexGeneratorJob.java

public boolean run() {
    try {/*from   ww  w  . j  a  v  a2s. c o m*/
        Job job = Job.getInstance(new Configuration(),
                String.format("%s-index-generator-%s", config.getDataSource(), config.getIntervals()));

        job.getConfiguration().set("io.sort.record.percent", "0.23");

        JobHelper.injectSystemProperties(job);
        config.addJobProperties(job);

        job.setMapperClass(IndexGeneratorMapper.class);
        job.setMapOutputValueClass(BytesWritable.class);

        SortableBytes.useSortableBytesAsMapOutputKey(job);

        int numReducers = Iterables.size(config.getAllBuckets().get());
        if (numReducers == 0) {
            throw new RuntimeException("No buckets?? seems there is no data to index.");
        }

        if (config.getSchema().getTuningConfig().getUseCombiner()) {
            job.setCombinerClass(IndexGeneratorCombiner.class);
            job.setCombinerKeyGroupingComparatorClass(BytesWritable.Comparator.class);
        }

        job.setNumReduceTasks(numReducers);
        job.setPartitionerClass(IndexGeneratorPartitioner.class);

        setReducerClass(job);
        job.setOutputKeyClass(BytesWritable.class);
        job.setOutputValueClass(Text.class);
        job.setOutputFormatClass(IndexGeneratorOutputFormat.class);
        FileOutputFormat.setOutputPath(job, config.makeIntermediatePath());

        config.addInputPaths(job);

        // hack to get druid.processing.bitmap property passed down to hadoop job.
        // once IndexIO doesn't rely on globally injected properties, we can move this into the HadoopTuningConfig.
        final String bitmapProperty = "druid.processing.bitmap.type";
        final String bitmapType = HadoopDruidIndexerConfig.properties.getProperty(bitmapProperty);
        if (bitmapType != null) {
            for (String property : new String[] { "mapreduce.reduce.java.opts", "mapreduce.map.java.opts" }) {
                // prepend property to allow overriding using hadoop.xxx properties by JobHelper.injectSystemProperties above
                String value = Strings.nullToEmpty(job.getConfiguration().get(property));
                job.getConfiguration().set(property,
                        String.format("-D%s=%s %s", bitmapProperty, bitmapType, value));
            }
        }

        config.intoConfiguration(job);

        JobHelper.setupClasspath(JobHelper.distributedClassPath(config.getWorkingPath()), job);

        job.submit();
        log.info("Job %s submitted, status available at %s", job.getJobName(), job.getTrackingURL());

        boolean success = job.waitForCompletion(true);

        Counter invalidRowCount = job.getCounters()
                .findCounter(HadoopDruidIndexerConfig.IndexJobCounters.INVALID_ROW_COUNTER);
        jobStats.setInvalidRowCount(invalidRowCount.getValue());

        return success;
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:brooklyn.location.waratek.WaratekMachineLocation.java

public int getCurrentJvcCount() {
    return jvm.getCurrentSize() - Iterables.size(jvm.getAvailableJvcs());
}

From source file:org.asoem.greyfish.core.space.WalledPointSpace.java

@Override
public String toString() {
    return "Tiled Space: dim=" + width + "x" + height + "; oc=" + Iterables.size(getObjects());
}

From source file:org.apache.hive.service.cli.session.SessionManager.java

private void registerActiveSesssionMetrics(Metrics metrics) {
    MetricsVariable<Integer> activeSessionCnt = new MetricsVariable<Integer>() {
        @Override/* w  w w.ja v a  2  s  .c o  m*/
        public Integer getValue() {
            Iterable<HiveSession> filtered = Iterables.filter(getSessions(), new Predicate<HiveSession>() {
                @Override
                public boolean apply(HiveSession hiveSession) {
                    return hiveSession.getNoOperationTime() == 0L;
                }
            });
            return Iterables.size(filtered);
        }
    };
    MetricsVariable<Integer> activeSessionTime = new MetricsVariable<Integer>() {
        @Override
        public Integer getValue() {
            long sum = 0;
            long currentTime = System.currentTimeMillis();
            for (HiveSession s : getSessions()) {
                if (s.getNoOperationTime() == 0L) {
                    sum += currentTime - s.getLastAccessTime();
                }
            }
            // in case of an overflow return -1
            return (int) sum != sum ? -1 : (int) sum;
        }
    };
    metrics.addGauge(MetricsConstant.HS2_ACTIVE_SESSIONS, activeSessionCnt);
    metrics.addRatio(MetricsConstant.HS2_AVG_ACTIVE_SESSION_TIME, activeSessionTime, activeSessionCnt);
}

From source file:edu.umn.msi.tropix.proteomics.sequest.impl.SequestJobProcessorImpl.java

@Override
protected void doPostprocessing() {
    if (wasCompletedNormally()) {
        LOG.debug("postprocess called for sequest job created");
        final Iterable<String> resources = getStagingDirectory().getResourceNames(null);
        Iterable<String> outResources = Iterables.filter(resources, StringPredicates.endsWith("out"));
        final Iterable<String> dtaResources = Iterables.filter(resources, StringPredicates.endsWith("dta"));

        final long outNum = Iterables.size(outResources), dtaNum = Iterables.size(dtaResources);

        if (outNum != dtaNum) {
            boolean failJob = false;
            if ((outNum + allowedDroppedFiles) < dtaNum) {
                failJob = true;/*from w w  w . jav a2s  .  c  o  m*/
            }
            LOG.warn("Invalid number of output files created -- expected " + dtaNum + " found " + outNum
                    + " failing job? " + failJob);
            if (failJob) {
                throw new IllegalStateException("Failed to produce the correct number of files.");
            }
        }

        if (includeDta) {
            outResources = Iterables.concat(outResources, dtaResources);
        }
        if (includeParams) {
            outResources = Iterables.concat(outResources, Arrays.asList(PARAMS_PATH));
        }

        final Iterable<InputContext> inputContexts = Iterables.transform(outResources,
                new Function<String, InputContext>() {
                    public InputContext apply(final String resource) {
                        return getStagingDirectory().getInputContext(resource);
                    }
                });
        final OutputStream resultsStream = getResourceTracker().newStream();
        try {
            zipUtils.zipContextsToStream(inputContexts, outResources, resultsStream);
        } finally {
            IO_UTILS.closeQuietly(resultsStream);
        }
    }
}

From source file:org.jclouds.ec2.compute.options.EC2TemplateOptions.java

/**
 * Specifies the security groups to be used for nodes with this template
 *//*from  ww w  . j av  a  2  s  .  co  m*/
public EC2TemplateOptions securityGroups(Iterable<String> groupNames) {
    checkArgument(Iterables.size(groupNames) > 0, "you must specify at least one security group");
    for (String groupId : groupNames)
        checkNotNull(emptyToNull(groupId), "all security groups must be non-empty");
    this.groupNames = ImmutableSet.copyOf(groupNames);
    return this;
}

From source file:com.synflow.cx.internal.validation.StructuralValidator.java

@Check
public void checkDuplicateDeclarations(Variable variable) {
    if (variable.getName() == null) {
        // name is null when the variable declaration is incomplete
        return;//from  w  w  w. ja v  a  2  s  .co m
    }

    EObject context = variable.eContainer();
    QualifiedName name;
    if (context instanceof StatementVariable) {
        // local variable
        name = QualifiedName.create(variable.getName());
    } else {
        // not a local variable
        context = EcoreUtil2.getContainerOfType(variable, Module.class);
        name = nameProvider.getFullyQualifiedName(variable);
    }

    IScope scope = scopeProvider.getScope(context, Literals.VAR_REF__VARIABLE);
    Iterable<IEObjectDescription> it = scope.getElements(name);
    int n = Iterables.size(it);

    if (n > 1) {
        error("Duplicate variable declaration '" + variable.getName() + "'", variable, Literals.VARIABLE__NAME,
                ERR_DUPLICATE_DECLARATIONS);
    }
}

From source file:org.apache.directory.server.dhcp.messages.HardwareAddress.java

/**
 * Parses a string representation of a hardware address.
 * Valid: 1/11:22:33:44:55:66 (toString())
 * Valid: Ethernet/11:22:33:44:55:66//from w  ww  . j ava  2 s .  c  om
 * Valid: 11:22:33:44:55:66 (defaults to Ethernet)
 *
 * @param text
 * @return HardwareAddress
 */
@Nonnull
public static HardwareAddress fromString(@Nonnull String text) {
    int idx = text.indexOf('/');
    HardwareAddressType hardwareAddressType = HardwareAddressType.Ethernet;
    if (idx != -1) {
        String hardwareAddressTypeText = text.substring(0, idx);
        try {
            int hardwareAddressTypeCode = Integer.parseInt(hardwareAddressTypeText);
            hardwareAddressType = HardwareAddressType.forCode(hardwareAddressTypeCode);
        } catch (NumberFormatException e) {
            // This will throw IllegalArgumentException, which is roughly what we want.
            hardwareAddressType = HardwareAddressType.valueOf(hardwareAddressTypeText);
        }
        text = text.substring(idx + 1);
    }

    CharMatcher separator = CharMatcher.BREAKING_WHITESPACE.or(CharMatcher.anyOf(":-"));
    Iterable<String> parts = Splitter.on(separator).omitEmptyStrings().trimResults().split(text);
    int i = 0;
    byte[] out = new byte[Iterables.size(parts)];
    for (String part : parts)
        out[i++] = (byte) Integer.parseInt(part, 16);
    return new HardwareAddress(hardwareAddressType.getCode(), (short) out.length, out);
}

From source file:brooklyn.location.waratek.WaratekMachineLocation.java

public int getAvailableJvcCount() {
    return Iterables.size(jvm.getAvailableJvcs()) + (getMaxSize() - jvm.getCurrentSize());
}