Example usage for com.google.common.collect Maps newTreeMap

Introduction

In this page you can find the example usage for com.google.common.collect Maps newTreeMap.

Prototype

public static <C, K extends C, V> TreeMap<K, V> newTreeMap(@Nullable Comparator<C> comparator) 

Source Link

Document

Creates a mutable, empty TreeMap instance using the given comparator.

Usage

From source file:org.codehaus.httpcache4j.cache.Vary.java

/**
 * Constructor//from w w  w. ja va2s.c o m
 *
 * @param headers the vary headers as keys from the response, with request headers as values.
 */
public Vary(final Map<String, String> headers) {
    Validate.notNull(headers, "Headers may not be null");
    Map<String, String> h = Maps.newTreeMap(new VaryComparator());
    h.putAll(headers);
    varyHeaders = Collections.unmodifiableMap(h);
}

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From source file:org.apache.kylin.storage.hbase.lookup.HBaseLookupRowEncoder.java

@Override
public HBaseRow encode(String[] row) {
    String[] keys = getKeyData(row);
    String[] values = getValueData(row);
    byte[] rowKey = encodeRowKey(keys);
    NavigableMap<byte[], byte[]> qualifierValMap = Maps
            .newTreeMap(org.apache.hadoop.hbase.util.Bytes.BYTES_COMPARATOR);
    for (int i = 0; i < values.length; i++) {
        byte[] qualifier = Bytes.toBytes(String.valueOf(valueIndexes[i]));
        byte[] byteValue = toBytes(values[i]);
        qualifierValMap.put(qualifier, byteValue);
    }/*from   ww w.j ava2 s .com*/
    return new HBaseRow(rowKey, qualifierValMap);
}

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From source file:co.cask.cdap.data2.transaction.stream.StreamConsumerStateStore.java

@Override
public final void getAll(Collection<? super StreamConsumerState> result) throws IOException {
    SortedMap<byte[], byte[]> states = Maps.newTreeMap(Bytes.BYTES_COMPARATOR);
    fetchAll(streamId.toBytes(), states);

    for (Map.Entry<byte[], byte[]> entry : states.entrySet()) {
        byte[] column = entry.getKey();
        byte[] value = entry.getValue();
        if (value != null) {
            result.add(//from  www  . j  a va 2 s.c  o  m
                    new StreamConsumerState(getGroupId(column), getInstanceId(column), decodeOffsets(value)));
        }
    }
}

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From source file:de.cosmocode.palava.ipc.session.Entries.java

@Override
public void execute(IpcCall call, Map<String, Object> result) throws IpcCommandExecutionException {
    final IpcArguments arguments = call.getArguments();
    final boolean sort = arguments.getBoolean(Naming.SORT, false);
    final String namespace = arguments.getString(Naming.NAMESPACE, null);
    final IpcSession session = call.getConnection().getSession();

    final Map<Object, Object> entries = sort ? Maps.newTreeMap(ordering) : Maps.newHashMap();

    if (namespace == null) {
        entries.putAll(session);//from  w  w w.  j av  a  2s  . c om
    } else if (session.containsKey(namespace)) {
        @SuppressWarnings("unchecked")
        final Map<Object, Object> namespaced = (Map<Object, Object>) session.get(namespace);
        entries.putAll(namespaced);
    }

    result.put(Naming.ENTRIES, entries);
}

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From source file:org.codehaus.httpcache4j.cache.Vary.java

public Vary(Headers headers) {
    Map<String, String> h = Maps.newTreeMap(new VaryComparator());
    for (Header header : headers) {
        h.put(header.getName(), header.getValue());
    }//ww  w. j a  v a2s . c o  m
    varyHeaders = Collections.unmodifiableMap(h);
}

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From source file:be.nbb.xdb.DbRawDataUtil.java

@Nonnull
@SuppressWarnings("null")
public static <C, T extends Throwable> CheckedIterator<Object[], T> distinct(
        @Nonnull CheckedIterator<Object[], T> rows, @Nonnull List<C> selectColumns,
        @Nonnull ToIntFunction<C> toIndex, @Nonnull Function<C, SuperDataType> toDataType,
        @Nonnull BiConsumer<Object[], Object[]> aggregator) throws T {

    TreeMap<Object[], Object[]> result = Maps.newTreeMap(newRowOrdering(selectColumns, toIndex, toDataType));
    Equivalence<Object[]> equivalence = newRowEquivalence(selectColumns, toIndex);
    Object[] first = null;/*from w w w .j a  v a  2 s .  com*/
    while (rows.hasNext()) {
        Object[] current = rows.next();
        // pre-check to avoid using TreeMap#get(Object)
        if (!equivalence.equivalent(first, current)) {
            first = result.get(current);
            if (first == null) {
                result.put(current, current);
                first = current;
            } else {
                aggregator.accept(first, current);
            }
        } else {
            aggregator.accept(first, current);
        }
    }
    return new SizedCheckedIterator(result.keySet());
}

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From source file:com.google.caliper.json.NaturallySortedMapTypeAdapterFactory.java

@SuppressWarnings("unchecked")
@Override//from  www  . jav a  2  s .c  om
public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
    Type type = typeToken.getType();
    if (!CLASSES.contains(typeToken.getRawType()) || !(type instanceof ParameterizedType)) {
        return null;
    }

    com.google.common.reflect.TypeToken<SortedMap<?, ?>> betterToken = (com.google.common.reflect.TypeToken<SortedMap<?, ?>>) com.google.common.reflect.TypeToken
            .of(typeToken.getType());
    final TypeAdapter<Map<?, ?>> mapAdapter = (TypeAdapter<Map<?, ?>>) gson
            .getAdapter(TypeToken.get(betterToken.getSupertype(Map.class).getType()));
    return new TypeAdapter<T>() {
        @Override
        public void write(JsonWriter out, T value) throws IOException {
            TreeMap<?, ?> treeMap = Maps.newTreeMap((SortedMap<?, ?>) value);
            mapAdapter.write(out, treeMap);
        }

        @SuppressWarnings("rawtypes")
        @Override
        public T read(JsonReader in) throws IOException {
            TreeMap treeMap = Maps.newTreeMap();
            treeMap.putAll(mapAdapter.read(in));
            return (T) treeMap;
        }
    };
}

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From source file:com.palantir.atlasdb.keyvalue.remoting.serialization.RowResultDeserializer.java

private SortedMap<byte[], Value> deserializeWithValue(JsonNode node, DeserializationContext ctxt)
        throws IOException {
    SortedMap<byte[], Value> result = Maps.newTreeMap(UnsignedBytes.lexicographicalComparator());
    Iterator<JsonNode> it = node.get("columns").elements();
    while (it.hasNext()) {
        JsonNode col = it.next();//w ww .  j av a2 s . c o  m
        byte[] colName = col.get("column").binaryValue();
        byte[] contents = col.get("contents").binaryValue();
        long timestamp = col.get("timestamp").asLong();
        result.put(colName, Value.create(contents, timestamp));
    }
    return result;
}

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From source file:co.cask.cdap.data2.transaction.queue.leveldb.LevelDBQueueProducer.java

@Override
protected int persist(Iterable<QueueEntry> entries, Transaction transaction) throws Exception {
    long writePointer = transaction.getWritePointer();
    byte[] rowKeyPrefix = Bytes.add(queueRowPrefix, Bytes.toBytes(writePointer));
    int count = 0;
    int bytes = 0;

    for (QueueEntry entry : entries) {
        // Row key = queue_name + writePointer + counter
        byte[] rowKey = Bytes.add(rowKeyPrefix, Bytes.toBytes(count++));
        NavigableMap<byte[], byte[]> row = Maps.newTreeMap(Bytes.BYTES_COMPARATOR);
        row.put(QueueEntryRow.DATA_COLUMN, entry.getData());
        row.put(QueueEntryRow.META_COLUMN, QueueEntry.serializeHashKeys(entry.getHashKeys()));
        changes.put(rowKey, row);//from  w  ww.j a  va  2  s  .com
        bytes += entry.getData().length;
    }
    // TODO introduce a constant in the OcTableCore for the latest timestamp
    core.persist(changes, KeyValue.LATEST_TIMESTAMP);

    return bytes;
}

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From source file:org.greatlogic.gxtexamples.client.glgwt.GLValueMap.java

/**
 * Creates a new value map for storing values by key. The keys can be <code>String</code> values or
 * <code>IGLXMLAttribute</code> values.
 * @param skipKeyUnderscores If the key values contain underscores then the key will be stripped up
 * to and including the last underscore.
 *//*from w  w w . j a  va  2  s .c  o  m*/
public GLValueMap(final boolean skipKeyUnderscores) {
    _skipKeyUnderscores = skipKeyUnderscores;
    _valueMap = Maps.newTreeMap(String.CASE_INSENSITIVE_ORDER);
}

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