Example usage for org.apache.cassandra.db DecoratedKey getKey

Introduction

In this page you can find the example usage for org.apache.cassandra.db DecoratedKey getKey.

Prototype

public abstract ByteBuffer getKey();

Source Link

Usage

From source file:com.mirantis.magnetodb.cassandra.db.index.MagnetoDBLocalSecondaryIndex.java

License:Apache License

public void insert(ByteBuffer rowKey, Cell cell, OpOrder.Group opGroup) {
    if (isQueryPropertiesField)
        return;/*from w ww . j  av a 2  s.  c o  m*/

    DecoratedKey valueKey = new BufferDecoratedKey(indexCfs.partitioner.getToken(rowKey), rowKey);
    ColumnFamily cfi = ArrayBackedSortedColumns.factory.create(indexCfs.metadata, false, 1);
    CellName name = makeIndexColumnName(rowKey, cell);
    if (cell instanceof ExpiringCell) {
        ExpiringCell ec = (ExpiringCell) cell;
        cfi.addColumn(new BufferExpiringCell(name, ByteBufferUtil.EMPTY_BYTE_BUFFER, ec.timestamp(),
                ec.getTimeToLive(), ec.getLocalDeletionTime()));
    } else {
        cfi.addColumn(new BufferCell(name, ByteBufferUtil.EMPTY_BYTE_BUFFER, cell.timestamp()));
    }
    if (logger.isDebugEnabled())
        logger.debug("applying index row {} in {}",
                indexCfs.metadata.getKeyValidator().getString(valueKey.getKey()), cfi);

    indexCfs.apply(valueKey, cfi, SecondaryIndexManager.nullUpdater, opGroup, null);
}

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From source file:com.protectwise.cassandra.db.compaction.AbstractSimpleDeletingConvictor.java

License:Apache License

protected Map<ByteBuffer, ByteBuffer> getNamedPkColumns(DecoratedKey key) {
    return getNamedPkColumns(key.getKey());
}

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From source file:com.stratio.cassandra.index.FullKeyMapper.java

License:Apache License

/**
 * Returns the {@link ByteBuffer} representation of the full row key formed by the specified partition key and the
 * clustering key./*from ww w .  j  av a  2 s .  co  m*/
 *
 * @param partitionKey A partition key.
 * @param cellName     A clustering key.
 * @return The {@link ByteBuffer} representation of the full row key formed by the specified key pair.
 */
public ByteBuffer byteBuffer(DecoratedKey partitionKey, CellName cellName) {
    return type.builder().add(partitionKey.getKey()).add(cellName.toByteBuffer()).build();
}

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From source file:com.stratio.cassandra.index.PartitionKeyMapper.java

License:Apache License

/**
 * Adds to the specified {@link Document} the {@link Field}s associated to the specified raw partition key.
 *
 * @param document     The document in which the fields are going to be added.
 * @param partitionKey The raw partition key to be converted.
 *//*from w  w w  .  j  a  va2  s.c o  m*/
public void addFields(Document document, DecoratedKey partitionKey) {
    String serializedKey = ByteBufferUtils.toString(partitionKey.getKey());
    Field field = new StringField(FIELD_NAME, serializedKey, Store.YES);
    document.add(field);
}

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From source file:com.stratio.cassandra.index.PartitionKeyMapper.java

License:Apache License

/**
 * Returns the specified raw partition key as a Lucene {@link Term}.
 *
 * @param partitionKey The raw partition key to be converted.
 * @return The specified raw partition key as a Lucene {@link Term}.
 *///  w w  w  . ja va  2 s .  c  om
public Term term(DecoratedKey partitionKey) {
    String serializedKey = ByteBufferUtils.toString(partitionKey.getKey());
    return new Term(FIELD_NAME, serializedKey);
}

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From source file:com.stratio.cassandra.index.PartitionKeyMapper.java

License:Apache License

public Columns columns(Row row) {
    DecoratedKey partitionKey = row.key;
    Columns columns = new Columns();
    AbstractType<?> rawKeyType = metadata.getKeyValidator();
    List<ColumnDefinition> columnDefinitions = metadata.partitionKeyColumns();
    for (ColumnDefinition columnDefinition : columnDefinitions) {
        String name = columnDefinition.name.toString();
        ByteBuffer[] components = ByteBufferUtils.split(partitionKey.getKey(), rawKeyType);
        int position = columnDefinition.position();
        ByteBuffer value = components[position];
        AbstractType<?> valueType = rawKeyType.getComponents().get(position);
        columns.add(new Column(name, value, valueType));
    }//from  ww  w . j  a  v a2 s. c o m
    return columns;
}

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From source file:com.stratio.cassandra.index.PartitionKeyMapper.java

License:Apache License

public String toString(DecoratedKey decoratedKey) {
    return decoratedKey.getToken() + " - " + ByteBufferUtils.toString(decoratedKey.getKey(), type);
}

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From source file:com.stratio.cassandra.lucene.IndexPagingState.java

License:Apache License

/**
 * Returns a byte buffer representation of this. Thew returned result can be read with {@link #build(ByteBuffer)}.
 *
 * @return a byte buffer representing this
 *//*from  w  ww.j ava 2 s  .  co  m*/
public ByteBuffer toByteBuffer() {
    ByteBuffer[] entryValues = new ByteBuffer[entries.size()];
    entries.entrySet().stream().map(entry -> {
        DecoratedKey key = entry.getKey();
        Clustering clustering = entry.getValue();
        ByteBuffer[] clusteringValues = clustering.getRawValues();
        ByteBuffer[] values = new ByteBuffer[1 + clusteringValues.length];
        values[0] = key.getKey();
        System.arraycopy(clusteringValues, 0, values, 1, clusteringValues.length);
        return compose(values);
    }).collect(toList()).toArray(entryValues);
    ByteBuffer values = compose(entryValues);
    ByteBuffer out = ByteBuffer.allocate(2 + values.remaining());
    writeShortLength(out, remaining);
    out.put(values);
    out.flip();
    return out;
}

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From source file:com.stratio.cassandra.lucene.IndexReaderWide.java

License:Apache License

private NavigableSet<Clustering> clusterings(DecoratedKey key) {

    NavigableSet<Clustering> clusterings = service.clusterings();
    Clustering clustering = service.clustering(nextDoc.left);

    Clustering lastClustering = null;//from   w  ww.  j  a v a 2 s . c  o m
    while (nextDoc != null && key.getKey().equals(service.decoratedKey(nextDoc.left).getKey())
            && (lastClustering == null || comparator.compare(lastClustering, clustering) < 0)) {
        if (command.selectsKey(key) && command.selectsClustering(key, clustering)) {
            lastClustering = clustering;
            clusterings.add(clustering);
            cacheUpdater.put(key, clustering, nextDoc.right);
        }
        if (documents.hasNext()) {
            nextDoc = documents.next();
            clustering = service.clustering(nextDoc.left);
        } else {
            nextDoc = null;
        }
        if (documents.needsFetch()) {
            break;
        }
    }
    return clusterings;
}

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From source file:com.stratio.cassandra.lucene.key.KeyMapper.java

License:Apache License

/**
 * Returns the {@link ByteBuffer} representation of the primary key formed by the specified partition key and the
 * clustering key./* w ww  .j  a  v  a2 s . com*/
 *
 * @param key the partition key
 * @param clustering the clustering key
 * @return the {@link ByteBuffer} representation of the primary key
 */
public ByteBuffer byteBuffer(DecoratedKey key, Clustering clustering) {
    return type.builder().add(TokenMapper.byteBuffer(key.getToken())).add(key.getKey())
            .add(byteBuffer(clustering)).build();
}

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