Example usage for org.apache.cassandra.db.rows Cell value

Introduction

In this page you can find the example usage for org.apache.cassandra.db.rows Cell value.

Prototype

public abstract ByteBuffer value();

Source Link

Document

The cell value.

Usage

From source file:com.stratio.cassandra.lucene.column.ColumnsMapper.java

License:Apache License

private void addColumns(Columns columns, Cell cell) {
    if (cell != null) {
        ColumnDefinition columnDefinition = cell.column();
        String name = columnDefinition.name.toString();
        AbstractType<?> type = cell.column().type;
        ByteBuffer value = cell.value();
        ColumnBuilder builder = Column.builder(name);
        if (type.isCollection() && !type.isFrozenCollection()) {
            CollectionType<?> collectionType = (CollectionType<?>) type;
            switch (collectionType.kind) {
            case SET: {
                type = collectionType.nameComparator();
                value = cell.path().get(0);
                addColumns(columns, builder, type, value);
                break;
            }/*from w  w w .  j  a v a2s .  c  om*/
            case LIST: {
                type = collectionType.valueComparator();
                addColumns(columns, builder, type, value);
                break;
            }
            case MAP: {
                type = collectionType.valueComparator();
                ByteBuffer keyValue = cell.path().get(0);
                AbstractType<?> keyType = collectionType.nameComparator();
                String nameSuffix = keyType.compose(keyValue).toString();
                addColumns(columns, builder.withMapName(nameSuffix), type, value);
                break;
            }
            default: {
                throw new IndexException("Unknown collection type %s", collectionType.kind);
            }
            }
        } else {
            addColumns(columns, Column.builder(name), type, value);
        }
    }
}

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From source file:io.puntanegra.fhir.index.FhirIndexIndexer.java

License:Apache License

@SuppressWarnings("unused")
private boolean insertInIndex(final String indexResourceType, Row row) {
    // only index in the correct lucene index.
    // this code checks if the resourceType is the same as the index.
    // TODO: externalizar resource_type

    for (Cell cell : row.cells()) {
        String columnname = cell.column().name.toString();
        if ("resource_type".equals(columnname)) {
            String resourceType = ByteBufferUtils.toString(cell.value(), UTF8Type.instance);

            if (indexResourceType.equals(resourceType)) {
                return true;
            }/*from   ww w . ja  v a 2  s  .  c o  m*/
            return false;
        }
    }
    return false;
}

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From source file:io.puntanegra.fhir.index.FhirIndexService.java

License:Apache License

/**
 * Creates a Lucene {@link Document} to index a FHIR {@link IBaseResource}.
 * //  w  w  w .ja  v  a  2s. co  m
 * @param key,
 *            the key of the row inserted.
 * @param row,
 *            the row inserted.
 * @return the Lucene {@link Document} to be inserted in the index.
 */
public Optional<Document> document(DecoratedKey key, Row row) {
    Document document = new Document();

    Cell cell = row.getCell(this.indexOptions.targetColumn);
    ByteBuffer value = cell.value();
    if (cell != null && !ByteBufferUtils.isEmpty(value)) {
        String json = ByteBufferUtils.toString(value, UTF8Type.instance);
        fhirMapper.addFields(document, json);
    }

    if (document.getFields().isEmpty()) {
        return Optional.empty();
    } else {
        Clustering clustering = row.clustering();
        tokenMapper.addFields(document, key);
        partitionMapper.addFields(document, key);
        keyMapper.addFields(document, key, clustering);
        return Optional.of(document);
    }
}

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