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.apache.giraph.job.CombinedWorkerProgress.java

/**
 * Constructor//from ww  w.  ja  v  a 2 s.  com
 *
 * @param workerProgresses Worker progresses to combine
 * @param conf Configuration
 */
public CombinedWorkerProgress(Iterable<WorkerProgress> workerProgresses, Configuration conf) {
    normalFreeMemoryFraction = NORMAL_FREE_MEMORY_FRACTION.get(conf);
    for (WorkerProgress workerProgress : workerProgresses) {
        if (workerProgress.getCurrentSuperstep() > currentSuperstep) {
            verticesToCompute = 0;
            verticesComputed = 0;
            partitionsToCompute = 0;
            partitionsComputed = 0;
            currentSuperstep = workerProgress.getCurrentSuperstep();
            workersInSuperstep = 0;
        }

        if (workerProgress.getCurrentSuperstep() == currentSuperstep) {
            workersInSuperstep++;
            if (isInputSuperstep()) {
                verticesLoaded += workerProgress.getVerticesLoaded();
                vertexInputSplitsLoaded += workerProgress.getVertexInputSplitsLoaded();
                edgesLoaded += workerProgress.getEdgesLoaded();
                edgeInputSplitsLoaded += workerProgress.getEdgeInputSplitsLoaded();
            } else if (isComputeSuperstep()) {
                verticesToCompute += workerProgress.getVerticesToCompute();
                verticesComputed += workerProgress.getVerticesComputed();
                partitionsToCompute += workerProgress.getPartitionsToCompute();
                partitionsComputed += workerProgress.getPartitionsComputed();
            } else if (isOutputSuperstep()) {
                verticesToStore += workerProgress.getVerticesToStore();
                verticesStored += workerProgress.getVerticesStored();
                partitionsToStore += workerProgress.getPartitionsToStore();
                partitionsStored += workerProgress.getPartitionsStored();
            }
        }

        if (workerProgress.isStoringDone()) {
            workersDone++;
        }

        if (workerProgress.getFreeMemoryMB() < minFreeMemoryMB) {
            minFreeMemoryMB = workerProgress.getFreeMemoryMB();
            workerWithMinFreeMemory = workerProgress.getTaskId();
        }
        minFreeMemoryFraction = Math.min(minFreeMemoryFraction, workerProgress.getFreeMemoryFraction());
        freeMemoryMB += workerProgress.getFreeMemoryMB();
        int percentage = workerProgress.getLowestGraphPercentageInMemory();
        if (percentage < minGraphPercentageInMemory) {
            minGraphPercentageInMemory = percentage;
            workerWithMinGraphPercentageInMemory = workerProgress.getTaskId();
        }
    }
    if (!Iterables.isEmpty(workerProgresses)) {
        freeMemoryMB /= Iterables.size(workerProgresses);
    }
}

From source file:org.apache.giraph.comm.messages.out_of_core.SequentialFileMessageStore.java

/**
 * Adds messages from one message store to another
 *
 * @param messageMap Add the messages from this map to this store
 * @throws java.io.IOException/*w  w w.ja v a  2s.c om*/
 */
public void addMessages(NavigableMap<I, DataInputOutput> messageMap) throws IOException {
    // Writes messages to its file
    if (file.exists()) {
        if (LOG.isDebugEnabled()) {
            LOG.debug("addMessages: Deleting " + file);
        }
        if (!file.delete()) {
            throw new IOException("Failed to delete existing file " + file);
        }
    }
    if (!file.createNewFile()) {
        throw new IOException("Failed to create file " + file);
    }
    if (LOG.isDebugEnabled()) {
        LOG.debug("addMessages: Creating " + file);
    }

    DataOutputStream out = null;

    try {
        out = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(file), bufferSize));
        int destinationVertexIdCount = messageMap.size();
        out.writeInt(destinationVertexIdCount);

        // Dump the vertices and their messages in a sorted order
        for (Map.Entry<I, DataInputOutput> entry : messageMap.entrySet()) {
            I destinationVertexId = entry.getKey();
            destinationVertexId.write(out);
            DataInputOutput dataInputOutput = entry.getValue();
            Iterable<M> messages = new MessagesIterable<M>(dataInputOutput, messageValueFactory);
            int messageCount = Iterables.size(messages);
            out.writeInt(messageCount);
            if (LOG.isDebugEnabled()) {
                LOG.debug("addMessages: For vertex id " + destinationVertexId + ", messages = " + messageCount
                        + " to file " + file);
            }
            for (M message : messages) {
                if (LOG.isDebugEnabled()) {
                    LOG.debug("addMessages: Wrote " + message + " to " + file);
                }
                message.write(out);
            }
        }
    } finally {
        if (out != null) {
            out.close();
        }
    }
}

From source file:org.jclouds.compute.stub.extensions.StubSecurityGroupExtension.java

@Override
public SecurityGroup addIpPermission(IpProtocol protocol, int startPort, int endPort,
        Multimap<String, String> tenantIdGroupNamePairs, Iterable<String> ipRanges, Iterable<String> groupIds,
        SecurityGroup group) {/*from  w ww.java  2 s. co m*/
    IpPermission.Builder ipBuilder = IpPermission.builder();

    ipBuilder.ipProtocol(protocol);
    ipBuilder.fromPort(startPort);
    ipBuilder.toPort(endPort);
    if (tenantIdGroupNamePairs.size() > 0) {
        ipBuilder.tenantIdGroupNamePairs(tenantIdGroupNamePairs);
    }
    if (Iterables.size(ipRanges) > 0) {
        ipBuilder.cidrBlocks(ipRanges);
    }
    if (Iterables.size(groupIds) > 0) {
        ipBuilder.groupIds(groupIds);
    }

    IpPermission perm = ipBuilder.build();

    SecurityGroupBuilder builder = SecurityGroupBuilder.fromSecurityGroup(checkNotNull(group, "group"));

    builder.ipPermission(perm);

    SecurityGroup newGroup = builder.build();

    if (groups.containsKey(newGroup.getId())) {
        groups.remove(newGroup.getId());
    }

    groups.put(newGroup.getId(), newGroup);

    return newGroup;
}

From source file:org.polarsys.reqcycle.ocl.utils.OCLUtilities.java

/**
 * Checks whether an OCL resource contains an operation allowing to retrieve a requirement's attribute of a given data type. The operation should be named "getX" where "X" is the name of the attribute.
 *//*from   ww w  . jav a2  s  .  co m*/
public static IStatus isOperationPresent(final IAttribute attribute, BaseResource resource) {
    String attributeTypeName = attribute.getType().getName();
    if (!mapToOCLPrimitives.containsKey(attributeTypeName)) {
        return new Status(IStatus.WARNING, ReqcycleOCLPlugin.PLUGIN_ID,
                "Type " + attributeTypeName + " cannot be used in OCL.");
    }
    if (Iterables.size(getMatchingOperations(attribute, resource)) > 0) {
        return Status.OK_STATUS;
    }
    ;
    return new Status(IStatus.ERROR, ReqcycleOCLPlugin.PLUGIN_ID, "Required operation : "
            + OCLUtilities.getOperationRequiredSignature(attribute) + " could not be found.");
}

From source file:com.codebullets.external.party.simulator.pipeline.HandlerScriptLoader.java

@SuppressWarnings("unchecked")
private <T> Iterable<T> createCollectionOfType(final Class<T> targetType, final Iterable sourceList) {
    List<T> list = new ArrayList<>(Iterables.size(sourceList));

    for (Object entry : sourceList) {
        if (targetType.isInstance(entry)) {
            list.add((T) entry);// w  w w .  j  a  va 2 s  .  c  o  m
        }
    }

    return list;
}

From source file:org.opendaylight.openflowplugin.impl.util.MeterUtil.java

public static <O> Function<List<RpcResult<O>>, RpcResult<List<BatchFailedMetersOutput>>> createCumulativeFunction(
        final Iterable<? extends org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.Meter> inputBatchMeters) {
    return createCumulativeFunction(inputBatchMeters, Iterables.size(inputBatchMeters));
}

From source file:com.facebook.buck.apple.project_generator.ProjectGeneratorTestUtils.java

public static <T extends PBXBuildPhase> T getSingletonPhaseByType(PBXTarget target, final Class<T> cls) {
    Iterable<PBXBuildPhase> buildPhases = Iterables.filter(target.getBuildPhases(), cls::isInstance);
    assertEquals("Build phase should be singleton", 1, Iterables.size(buildPhases));
    @SuppressWarnings("unchecked")
    T element = (T) Iterables.getOnlyElement(buildPhases);
    return element;
}

From source file:brooklyn.config.render.RendererHints.java

@SuppressWarnings("rawtypes")
private static Object _applyDisplayValueHint(Object target, Object initialValue, boolean includeClass) {
    Iterable<RendererHints.DisplayValue> hints = RendererHints._getHintsFor(target,
            RendererHints.DisplayValue.class);
    if (Iterables.size(hints) > 1) {
        log.warn("Multiple display value hints set for {}; Only one will be applied, using first", target);
    }//from   w  w  w .ja  v a  2 s.  c o  m

    Optional<RendererHints.DisplayValue> hint = Optional.fromNullable(Iterables.getFirst(hints, null));
    Object value = hint.isPresent() ? hint.get().getDisplayValue(initialValue) : initialValue;
    if (includeClass && value != null && !(value instanceof String) && !(value instanceof Number)
            && !(value.getClass().isPrimitive())) {
        value = _applyDisplayValueHint(value.getClass(), value, false);
    }
    return value;
}

From source file:com.puppetlabs.geppetto.pp.dsl.tests.utils.DiagnosticsAsserter.java

/**
 * No errors or warnings accepted.//www  . j a  v  a2 s  .c  o  m
 * 
 * @param message
 * @param diag
 */
public void assertOk() {
    Iterable<Diagnostic> all = getAllDiagnostics();
    if (Iterables.size(all) > 0)
        throw new ComparisonFailure("No diagnostics expected", "No diagnostics", diagnosticsToString(all));
}

From source file:org.jclouds.tools.ant.taskdefs.compute.ComputeTaskUtils.java

static int[] getPortsToOpenFromElement(NodeElement nodeElement) {
    Iterable<String> portStrings = Splitter.on(',').split(nodeElement.getOpenports());
    int[] ports = new int[Iterables.size(portStrings)];
    int i = 0;//  w w w  . j a  v  a  2s  .c  o  m
    for (String port : portStrings) {
        ports[i++] = Integer.parseInt(port);
    }
    return ports;
}