Example usage for org.apache.cassandra.db Clustering getRawValues

Introduction

In this page you can find the example usage for org.apache.cassandra.db Clustering getRawValues.

Prototype

public ByteBuffer[] getRawValues();

Source Link

Document

The values of this prefix as an array.

Usage

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 a  v  a  2 s  . c  om*/
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.key.KeyMapper.java

License:Apache License

/**
 * Returns a {@link ByteBuffer} representing the specified clustering key
 *
 * @param clustering the clustering key/*  ww w .j a v a  2  s. c om*/
 * @return the byte buffer representing {@code clustering}
 */
public ByteBuffer byteBuffer(Clustering clustering) {
    CompositeType.Builder builder = type.builder();
    for (ByteBuffer component : clustering.getRawValues()) {
        builder.add(component);
    }
    return builder.build();
}

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