Examples with AbstractType org.apache.cassandra.db.marshal.AbstractType used on opensource projects

Example 46 with AbstractType

use of org.apache.cassandra.db.marshal.AbstractType in project eiger by wlloyd.

the class SSTableExport method serializeColumn.

/**
 * Serialize a given column to the JSON format
 *
 * @param column column presentation
 * @param comparator columns comparator
 * @param cfMetaData Column Family metadata (to get validator)
 *
 * @return column as serialized list
 */
private static List<Object> serializeColumn(IColumn column, AbstractType comparator, CFMetaData cfMetaData) {
    ArrayList<Object> serializedColumn = new ArrayList<Object>();
    ByteBuffer name = ByteBufferUtil.clone(column.name());
    ByteBuffer value = ByteBufferUtil.clone(column.value());
    serializedColumn.add(comparator.getString(name));
    if (column instanceof DeletedColumn) {
        serializedColumn.add(ByteBufferUtil.bytesToHex(value));
    } else {
        AbstractType validator = cfMetaData.getValueValidator(name);
        serializedColumn.add(validator.getString(value));
    }
    serializedColumn.add(column.timestamp());
    if (column instanceof DeletedColumn) {
        serializedColumn.add("d");
    } else if (column instanceof ExpiringColumn) {
        serializedColumn.add("e");
        serializedColumn.add(((ExpiringColumn) column).getTimeToLive());
        serializedColumn.add(column.getLocalDeletionTime());
    } else if (column instanceof CounterColumn) {
        serializedColumn.add("c");
        serializedColumn.add(((CounterColumn) column).timestampOfLastDelete());
    }
    return serializedColumn;
}

Example 47 with AbstractType

use of org.apache.cassandra.db.marshal.AbstractType in project eiger by wlloyd.

the class Column method validateName.

protected void validateName(CFMetaData metadata) throws MarshalException {
    AbstractType nameValidator = metadata.cfType == ColumnFamilyType.Super ? metadata.subcolumnComparator : metadata.comparator;
    nameValidator.validate(name());
}

Example 48 with AbstractType

use of org.apache.cassandra.db.marshal.AbstractType in project stargate-core by tuplejump.

the class Fields method toString.

public static String toString(ByteBuffer byteBuffer, AbstractType<?> type) {
    if (type instanceof CompositeType) {
        CompositeType composite = (CompositeType) type;
        List<AbstractType<?>> types = composite.types;
        ByteBuffer[] components = composite.split(byteBuffer);
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < components.length; i++) {
            AbstractType<?> componentType = types.get(i);
            ByteBuffer component = components[i];
            sb.append(componentType.compose(component));
            if (i < types.size() - 1) {
                sb.append(':');
            }
        }
        return sb.toString();
    } else {
        return type.compose(byteBuffer).toString();
    }
}

Example 49 with AbstractType

use of org.apache.cassandra.db.marshal.AbstractType in project stargate-core by tuplejump.

the class FieldCreator method toString.

public static String toString(ByteBuffer byteBuffer, AbstractType<?> type) {
    if (type instanceof CompositeType) {
        CompositeType composite = (CompositeType) type;
        List<AbstractType<?>> types = composite.types;
        ByteBuffer[] components = composite.split(byteBuffer);
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < components.length; i++) {
            AbstractType<?> componentType = types.get(i);
            ByteBuffer component = components[i];
            sb.append(componentType.compose(component));
            if (i < types.size() - 1) {
                sb.append(':');
            }
        }
        return sb.toString();
    } else {
        return type.compose(byteBuffer).toString();
    }
}

Example 50 with AbstractType

use of org.apache.cassandra.db.marshal.AbstractType in project brisk by riptano.

the class SchemaManagerService method buildTable.

private Table buildTable(CfDef cfDef) {
    Table table = new Table();
    table.setDbName(cfDef.keyspace);
    table.setTableName(cfDef.name);
    table.setTableType(TableType.EXTERNAL_TABLE.toString());
    table.putToParameters("EXTERNAL", "TRUE");
    table.putToParameters("cassandra.ks.name", cfDef.keyspace);
    table.putToParameters("cassandra.cf.name", cfDef.name);
    table.putToParameters("cassandra.slice.predicate.size", "100");
    table.putToParameters("storage_handler", "org.apache.hadoop.hive.cassandra.CassandraStorageHandler");
    table.setPartitionKeys(new ArrayList<FieldSchema>());
    // cassandra.column.mapping
    StorageDescriptor sd = new StorageDescriptor();
    sd.setInputFormat("org.apache.hadoop.hive.cassandra.input.HiveCassandraStandardColumnInputFormat");
    sd.setOutputFormat("org.apache.hadoop.hive.cassandra.output.HiveCassandraOutputFormat");
    sd.setParameters(new HashMap<String, String>());
    try {
        sd.setLocation(warehouse.getDefaultTablePath(cfDef.keyspace, cfDef.name).toString());
    } catch (MetaException me) {
        log.error("could not build path information correctly", me);
    }
    SerDeInfo serde = new SerDeInfo();
    serde.setSerializationLib("org.apache.hadoop.hive.cassandra.serde.CassandraColumnSerDe");
    serde.putToParameters("serialization.format", "1");
    StringBuilder mapping = new StringBuilder();
    StringBuilder validator = new StringBuilder();
    try {
        CFMetaData cfm = CFMetaData.fromThrift(cfDef);
        AbstractType keyValidator = cfDef.key_validation_class != null ? TypeParser.parse(cfDef.key_validation_class) : BytesType.instance;
        addTypeToStorageDescriptor(sd, ByteBufferUtil.bytes("row_key"), keyValidator, keyValidator);
        mapping.append(":key");
        validator.append(keyValidator.toString());
        for (ColumnDef column : cfDef.getColumn_metadata()) {
            addTypeToStorageDescriptor(sd, column.name, TypeParser.parse(cfDef.comparator_type), TypeParser.parse(column.getValidation_class()));
            try {
                mapping.append(",");
                mapping.append(ByteBufferUtil.string(column.name));
                validator.append(",");
                validator.append(column.getValidation_class());
            } catch (CharacterCodingException e) {
                log.error("could not build column mapping correctly", e);
            }
        }
        serde.putToParameters("cassandra.columns.mapping", mapping.toString());
        serde.putToParameters("cassandra.cf.validatorType", validator.toString());
        sd.setSerdeInfo(serde);
    } catch (ConfigurationException ce) {
        throw new CassandraHiveMetaStoreException("Problem converting comparator type: " + cfDef.comparator_type, ce);
    } catch (InvalidRequestException ire) {
        throw new CassandraHiveMetaStoreException("Problem parsing CfDef: " + cfDef.name, ire);
    }
    table.setSd(sd);
    if (log.isDebugEnabled())
        log.debug("constructed table for CF:{} {}", cfDef.name, table.toString());
    return table;
}