Example usage for org.apache.cassandra.db.marshal AbstractType getComponents

Introduction

In this page you can find the example usage for org.apache.cassandra.db.marshal AbstractType getComponents.

Prototype

public List<AbstractType<?>> getComponents() 

Source Link

Document

Return a list of the "subcomponents" this type has.

Usage

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  w  w w  .  ja va  2  s . c o m
    return columns;
}

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From source file:com.stratio.cassandra.index.util.ByteBufferUtils.java

License:Apache License

/**
 * Returns the {@link AbstractType}s contained in {@code type}.
 *
 * @param type the {@link AbstractType} to be split.
 * @return the {@link AbstractType}s contained in {@code type}.
 *//*from ww  w .  j  a v  a  2s  . c o m*/
public static List<AbstractType<?>> split(AbstractType<?> type) {
    if (type instanceof CompositeType) {
        return type.getComponents();
    } else {
        List<AbstractType<?>> result = new ArrayList<>(1);
        result.add(type);
        return result;
    }
}

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From source file:com.stratio.cassandra.lucene.service.PartitionKeyMapper.java

License:Apache License

/**
 * Returns the columns contained in the partition key of the specified {@link Row}. Note that not all the contained
 * columns are returned, but only those of the partition key.
 *
 * @param row A {@link Row}.//from   www.j a  v  a  2s.  c o  m
 * @return The columns contained in the partition key of the specified {@link Row}.
 */
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(Column.fromDecomposed(name, value, valueType, false));
    }
    return columns;
}

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From source file:com.tuplejump.stargate.lucene.query.function.AggregateFunction.java

License:Apache License

public void load(Tuple tuple, Row row, ColumnFamilyStore table) {
    CompositeType baseComparator = (CompositeType) table.getComparator();
    ColumnFamily cf = row.cf;//w w w. j  a v  a  2  s  .  c om
    CFDefinition cfDef = table.metadata.getCfDef();
    ByteBuffer rowKey = row.key.key;
    AbstractType<?> keyValidator = table.metadata.getKeyValidator();
    Collection<Column> cols = cf.getSortedColumns();
    boolean keyColumnsAdded = false;
    for (Column column : cols) {
        if (!keyColumnsAdded) {
            ByteBuffer[] keyComponents = cfDef.hasCompositeKey
                    ? ((CompositeType) table.metadata.getKeyValidator()).split(rowKey)
                    : new ByteBuffer[] { rowKey };
            List<AbstractType<?>> keyValidators = keyValidator.getComponents();
            for (Map.Entry<Integer, Pair<String, ByteBuffer>> entry : options.partitionKeysIndexed.entrySet()) {
                ByteBuffer value = keyComponents[entry.getKey()];
                AbstractType<?> validator = keyValidators.get(entry.getKey());
                String actualColumnName = entry.getValue().left;
                for (String field : positions.keySet()) {
                    if (actualColumnName.equalsIgnoreCase(field)) {
                        tuple.tuple[this.positions.get(field)] = validator.compose(value);
                    }
                }
            }
            keyColumnsAdded = true;
        }
        String actualColumnName = CassandraUtils.getColumnNameStr(baseComparator, column.name());
        ByteBuffer colValue = column.value();
        AbstractType<?> valueValidator = table.metadata.getValueValidatorFromColumnName(column.name());
        if (valueValidator.isCollection()) {
            CollectionType validator = (CollectionType) valueValidator;
            AbstractType keyType = validator.nameComparator();
            AbstractType valueType = validator.valueComparator();
            ByteBuffer[] components = baseComparator.split(column.name());
            ByteBuffer keyBuf = components[components.length - 1];
            if (valueValidator instanceof MapType) {
                actualColumnName = actualColumnName + "." + keyType.compose(keyBuf);
                valueValidator = valueType;
            } else if (valueValidator instanceof SetType) {
                colValue = keyBuf;
                valueValidator = keyType;
            } else {
                valueValidator = valueType;
            }
        }
        for (String field : positions.keySet()) {
            if (actualColumnName.equalsIgnoreCase(field)) {
                tuple.tuple[this.positions.get(field)] = valueValidator.compose(colValue);
            }
        }
    }
}

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