Examples with GroupColumnIO org.apache.parquet.io.GroupColumnIO used on opensource projects

Example 1 with GroupColumnIO

use of org.apache.parquet.io.GroupColumnIO in project parquet-mr by apache.

the class ParquetWriteProtocol method getProtocol.

private TProtocol getProtocol(ThriftField field, ColumnIO columnIO, Events returnClause) {
    TProtocol p;
    final ThriftType type = field.getType();
    switch(type.getType()) {
        case STOP:
        case VOID:
        default:
            throw new UnsupportedOperationException("can't convert type of " + field);
        case BOOL:
        case BYTE:
        case DOUBLE:
        case I16:
        case I32:
        case I64:
        case STRING:
            p = new PrimitiveWriteProtocol((PrimitiveColumnIO) columnIO, returnClause);
            break;
        case STRUCT:
            p = new StructWriteProtocol((GroupColumnIO) columnIO, (StructType) type, returnClause);
            break;
        case MAP:
            p = new MapWriteProtocol((GroupColumnIO) columnIO, (MapType) type, returnClause);
            break;
        case SET:
            p = new ListWriteProtocol((GroupColumnIO) columnIO, ((SetType) type).getValues(), returnClause);
            break;
        case LIST:
            p = new ListWriteProtocol((GroupColumnIO) columnIO, ((ListType) type).getValues(), returnClause);
            break;
        case ENUM:
            p = new EnumWriteProtocol((PrimitiveColumnIO) columnIO, (EnumType) type, returnClause);
            break;
    }
    return p;
}