Example usage for org.apache.commons.lang3.tuple MutablePair MutablePair

Introduction

In this page you can find the example usage for org.apache.commons.lang3.tuple MutablePair MutablePair.

Prototype

public MutablePair(final L left, final R right) 

Source Link

Document

Create a new pair instance.

Usage

From source file:org.apache.giraph.ooc.DiskBackedPartitionStore.java

@Override
@edu.umd.cs.findbugs.annotations.SuppressWarnings("SF_SWITCH_FALLTHROUGH")
public void addPartitionVertices(Integer partitionId, ExtendedDataOutput extendedDataOutput) {
    if (!isInitialized.get()) {
        initialize();/*from  w  w  w.  j  av  a 2  s .c  o  m*/
    }

    MetaPartition meta = new MetaPartition(partitionId);
    MetaPartition temp = partitions.putIfAbsent(partitionId, meta);
    if (temp != null) {
        meta = temp;
    }

    boolean createPartition = false;
    synchronized (meta) {
        switch (meta.getState()) {
        case INIT:
            Partition<I, V, E> partition = conf.createPartition(partitionId, context);
            meta.setPartition(partition);
            // Look at the comments in 'addPartitionVertices' for why we set the
            // this to true.
            meta.setProcessed(true);
            numPartitionsInMem.getAndIncrement();
            meta.setState(State.INACTIVE);
            synchronized (processedPartitions) {
                processedPartitions.get(State.INACTIVE).add(partitionId);
                processedPartitions.notifyAll();
            }
            createPartition = true;
            // Continue to INACTIVE case to add the vertices to the partition
            // CHECKSTYLE: stop FallThrough
        case INACTIVE:
            // CHECKSTYLE: resume FallThrough
            meta.getPartition().addPartitionVertices(new VertexIterator<I, V, E>(extendedDataOutput, conf));
            break;
        case IN_TRANSIT:
        case ON_DISK:
            // Adding vertices to in-memory buffer of the partition
            List<ExtendedDataOutput> vertices = new ArrayList<ExtendedDataOutput>();
            vertices.add(extendedDataOutput);
            int length = extendedDataOutput.getPos();
            Pair<Integer, List<ExtendedDataOutput>> newPair = new MutablePair<>(length, vertices);
            vertexBufferRWLock.readLock().lock();
            Pair<Integer, List<ExtendedDataOutput>> oldPair = pendingInputVertices.putIfAbsent(partitionId,
                    newPair);
            if (oldPair != null) {
                synchronized (oldPair) {
                    MutablePair<Integer, List<ExtendedDataOutput>> pair = (MutablePair<Integer, List<ExtendedDataOutput>>) oldPair;
                    pair.setLeft(pair.getLeft() + length);
                    pair.getRight().add(extendedDataOutput);
                }
            }
            vertexBufferRWLock.readLock().unlock();
            // In the case that the number of partitions is asked to be fixed by the
            // user, we should offload the edge store as necessary.
            if (isNumPartitionsFixed && pendingInputVertices.get(partitionId).getLeft() > minBuffSize) {
                try {
                    spillPartitionInputVertexBuffer(partitionId);
                } catch (IOException e) {
                    throw new IllegalStateException("addPartitionVertices: spilling "
                            + "vertex buffer for partition " + partitionId + " failed!");
                }
            }
            break;
        default:
            throw new IllegalStateException(
                    "illegal state " + meta.getState() + " for partition " + meta.getId());
        }
    }
    // If creation of a new partition is violating the policy of maximum number
    // of partitions in memory, we should spill a partition to disk.
    if (createPartition && numPartitionsInMem.get() > maxPartitionsInMem.get()) {
        swapOnePartitionToDisk();
    }
}

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From source file:org.apache.hive.storage.jdbc.spitter.DateIntervalSplitter.java

@Override
public List<MutablePair<String, String>> getIntervals(String lowerBound, String upperBound, int numPartitions,
        TypeInfo typeInfo) {//from w w  w  .j  a v  a 2 s  .c o m
    List<MutablePair<String, String>> intervals = new ArrayList<>();
    Date dateLower = Date.valueOf(lowerBound);
    Date dateUpper = Date.valueOf(upperBound);
    double dateInterval = (dateUpper.getTime() - dateLower.getTime()) / (double) numPartitions;
    Date splitDateLower, splitDateUpper;
    for (int i = 0; i < numPartitions; i++) {
        splitDateLower = new Date(Math.round(dateLower.getTime() + dateInterval * i));
        splitDateUpper = new Date(Math.round(dateLower.getTime() + dateInterval * (i + 1)));
        if (splitDateLower.compareTo(splitDateUpper) < 0) {
            intervals
                    .add(new MutablePair<String, String>(splitDateLower.toString(), splitDateUpper.toString()));
        }
    }
    return intervals;
}

---

From source file:org.apache.hive.storage.jdbc.spitter.DecimalIntervalSplitter.java

@Override
public List<MutablePair<String, String>> getIntervals(String lowerBound, String upperBound, int numPartitions,
        TypeInfo typeInfo) {//w w  w  .j a va  2 s.co  m
    List<MutablePair<String, String>> intervals = new ArrayList<>();
    DecimalTypeInfo decimalTypeInfo = (DecimalTypeInfo) typeInfo;
    int scale = decimalTypeInfo.getScale();
    BigDecimal decimalLower = new BigDecimal(lowerBound);
    BigDecimal decimalUpper = new BigDecimal(upperBound);
    BigDecimal decimalInterval = (decimalUpper.subtract(decimalLower)).divide(new BigDecimal(numPartitions),
            MathContext.DECIMAL64);
    BigDecimal splitDecimalLower, splitDecimalUpper;
    for (int i = 0; i < numPartitions; i++) {
        splitDecimalLower = decimalLower.add(decimalInterval.multiply(new BigDecimal(i))).setScale(scale,
                RoundingMode.HALF_EVEN);
        splitDecimalUpper = decimalLower.add(decimalInterval.multiply(new BigDecimal(i + 1))).setScale(scale,
                RoundingMode.HALF_EVEN);
        if (splitDecimalLower.compareTo(splitDecimalUpper) < 0) {
            intervals.add(new MutablePair<String, String>(splitDecimalLower.toPlainString(),
                    splitDecimalUpper.toPlainString()));
        }
    }
    return intervals;
}

---

From source file:org.apache.hive.storage.jdbc.spitter.DoubleIntervalSplitter.java

@Override
public List<MutablePair<String, String>> getIntervals(String lowerBound, String upperBound, int numPartitions,
        TypeInfo typeInfo) {//from   w w w .  j av  a2s.c  o m
    List<MutablePair<String, String>> intervals = new ArrayList<>();
    double doubleLower = Double.parseDouble(lowerBound);
    double doubleUpper = Double.parseDouble(upperBound);
    double doubleInterval = (doubleUpper - doubleLower) / (double) numPartitions;
    double splitDoubleLower, splitDoubleUpper;
    for (int i = 0; i < numPartitions; i++) {
        splitDoubleLower = doubleLower + doubleInterval * i;
        splitDoubleUpper = doubleLower + doubleInterval * (i + 1);
        if (splitDoubleUpper > splitDoubleLower) {
            intervals.add(new MutablePair<String, String>(Double.toString(splitDoubleLower),
                    Double.toString(splitDoubleUpper)));
        }
    }
    return intervals;
}

---

From source file:org.apache.hive.storage.jdbc.spitter.LongIntervalSpitter.java

@Override
public List<MutablePair<String, String>> getIntervals(String lowerBound, String upperBound, int numPartitions,
        TypeInfo typeInfo) {//from  w  ww  .  j  a  v a2s.co  m
    List<MutablePair<String, String>> intervals = new ArrayList<>();
    long longLower = Long.parseLong(lowerBound);
    long longUpper = Long.parseLong(upperBound);
    double longInterval = (longUpper - longLower) / (double) numPartitions;
    long splitLongLower, splitLongUpper;
    for (int i = 0; i < numPartitions; i++) {
        splitLongLower = Math.round(longLower + longInterval * i);
        splitLongUpper = Math.round(longLower + longInterval * (i + 1));
        if (splitLongUpper > splitLongLower) {
            intervals.add(new MutablePair<String, String>(Long.toString(splitLongLower),
                    Long.toString(splitLongUpper)));
        }
    }
    return intervals;
}

---

From source file:org.apache.hive.storage.jdbc.spitter.TimestampIntervalSplitter.java

@Override
public List<MutablePair<String, String>> getIntervals(String lowerBound, String upperBound, int numPartitions,
        TypeInfo typeInfo) {//from ww  w.j  a v  a 2 s .  co m
    List<MutablePair<String, String>> intervals = new ArrayList<>();
    Timestamp timestampLower = Timestamp.valueOf(lowerBound);
    Timestamp timestampUpper = Timestamp.valueOf(upperBound);
    // Note nano is not fully represented as the precision limit
    double timestampInterval = (timestampUpper.getTime() - timestampLower.getTime()) / (double) numPartitions;
    Timestamp splitTimestampLower, splitTimestampUpper;
    for (int i = 0; i < numPartitions; i++) {
        splitTimestampLower = new Timestamp(Math.round(timestampLower.getTime() + timestampInterval * i));
        splitTimestampUpper = new Timestamp(Math.round(timestampLower.getTime() + timestampInterval * (i + 1)));
        if (splitTimestampLower.compareTo(splitTimestampUpper) < 0) {
            intervals.add(new MutablePair<String, String>(splitTimestampLower.toString(),
                    splitTimestampUpper.toString()));
        }
    }
    return intervals;
}

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From source file:org.apache.openejb.server.hessian.TomcatHessianRegistry.java

@Override
public String deploy(final ClassLoader loader, final HessianServer listener, final String hostname,
        final String app, final String authMethod, final String transportGuarantee, final String realmName,
        final String name) throws URISyntaxException {
    Container host = engine.findChild(hostname);
    if (host == null) {
        host = engine.findChild(engine.getDefaultHost());
        if (host == null) {
            throw new IllegalArgumentException("Invalid virtual host '" + engine.getDefaultHost()
                    + "'.  Do you have a matchiing Host entry in the server.xml?");
        }/*from   w w w.  j a  va  2 s.c  o  m*/
    }

    final String contextRoot = contextName(app);
    Context context = Context.class.cast(host.findChild(contextRoot));
    if (context == null) {
        Pair<Context, Integer> fakeContext = fakeContexts.get(contextRoot);
        if (fakeContext != null) {
            context = fakeContext.getLeft();
            fakeContext.setValue(fakeContext.getValue() + 1);
        } else {
            context = Context.class.cast(host.findChild(contextRoot));
            if (context == null) {
                fakeContext = fakeContexts.get(contextRoot);
                if (fakeContext == null) {
                    context = createNewContext(loader, authMethod, transportGuarantee, realmName, app);
                    fakeContext = new MutablePair<>(context, 1);
                    fakeContexts.put(contextRoot, fakeContext);
                } else {
                    context = fakeContext.getLeft();
                    fakeContext.setValue(fakeContext.getValue() + 1);
                }
            }
        }
    }

    final String servletMapping = generateServletPath(name);

    Wrapper wrapper = Wrapper.class.cast(context.findChild(servletMapping));
    if (wrapper != null) {
        throw new IllegalArgumentException("Servlet " + servletMapping + " in web application context "
                + context.getName() + " already exists");
    }

    wrapper = context.createWrapper();
    wrapper.setName(HESSIAN.replace("/", "") + "_" + name);
    wrapper.setServlet(new OpenEJBHessianServlet(listener));
    context.addChild(wrapper);
    context.addServletMapping(servletMapping, wrapper.getName());

    if ("BASIC".equals(authMethod) && StandardContext.class.isInstance(context)) {
        final StandardContext standardContext = StandardContext.class.cast(context);

        boolean found = false;
        for (final Valve v : standardContext.getPipeline().getValves()) {
            if (LimitedBasicValve.class.isInstance(v) || BasicAuthenticator.class.isInstance(v)) {
                found = true;
                break;
            }
        }
        if (!found) {
            standardContext.addValve(new LimitedBasicValve());
        }
    }

    final List<String> addresses = new ArrayList<>();
    for (final Connector connector : connectors) {
        for (final String mapping : wrapper.findMappings()) {
            final URI address = new URI(connector.getScheme(), null, host.getName(), connector.getPort(),
                    contextRoot + mapping, null, null);
            addresses.add(address.toString());
        }
    }
    return HttpUtil.selectSingleAddress(addresses);
}

---

From source file:org.diorite.config.serialization.comments.CommentsNodeImpl.java

public Map<String, MutablePair<String, CommentsNodeImpl>> copyMap(CommentsNodeImpl parent) {
    Map<String, MutablePair<String, CommentsNodeImpl>> result = new HashMap<>(this.dataMap.size());
    for (Entry<String, MutablePair<String, CommentsNodeImpl>> entry : this.dataMap.entrySet()) {
        String keyToCpy = entry.getKey();
        MutablePair<String, CommentsNodeImpl> valueToCpy = entry.getValue();
        CommentsNodeImpl nodeToCpy = valueToCpy.getRight();
        CommentsNodeImpl copiedNode;/*ww w . j av  a  2  s. c  o m*/
        if (nodeToCpy == null) {
            copiedNode = null;
        } else {
            copiedNode = new CommentsNodeImpl(parent);
            copiedNode.dataMap.putAll(nodeToCpy.copyMap(parent));
        }
        MutablePair<String, CommentsNodeImpl> copied = new MutablePair<>(valueToCpy.getLeft(), copiedNode);
        result.put(keyToCpy, copied);
    }
    return result;
}

---

From source file:org.diorite.config.serialization.comments.CommentsNodeImpl.java

@SuppressWarnings("unchecked")
Map<String, MutablePair<String, ?>> buildMap() {
    Map<String, MutablePair<String, ?>> resultMap = new LinkedHashMap<>(this.dataMap.size());
    for (Entry<String, MutablePair<String, CommentsNodeImpl>> entry : this.dataMap.entrySet()) {
        MutablePair<String, CommentsNodeImpl> value = entry.getValue();
        CommentsNodeImpl right = value.getRight();
        String left = value.getLeft();
        if ((right == null) && (left == null)) {
            continue;
        }//  w  w w. j a va  2  s. c om
        Map<String, MutablePair<String, ?>> rightMap = null;
        if (right != null) {
            rightMap = right.buildMap();
            if (rightMap.isEmpty()) {
                rightMap = null;
                if (left == null) {
                    continue;
                }
            }
        }
        resultMap.put(entry.getKey(), new MutablePair<>(left, rightMap));
    }
    return resultMap;
}

---

From source file:org.diorite.config.serialization.comments.CommentsNodeImpl.java

@Override
public void setComment(String path, @Nullable String comment) {
    MutablePair<String, CommentsNodeImpl> nodePair = this.dataMap.computeIfAbsent(path,
            k -> new MutablePair<>(null, null));
    if (comment == null) {
        nodePair.setLeft(null);// w ww. ja v a  2s.c o  m
        return;
    }
    nodePair.setLeft(comment);
}

---

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