org.apache.druid.frame.field

Class FieldWriters

java.lang.Object

org.apache.druid.frame.field.FieldWriters

public class FieldWriters
extends Object

Helper used to write field values to row-based frames or RowKey. Most callers should use FrameWriters to build frames from ColumnSelectorFactory, rather than using this class directly.

Method Summary

Modifier and Type	Method and Description
static FieldWriter	create(ColumnSelectorFactory columnSelectorFactory, String columnName, ColumnType columnType) Helper used by RowBasedFrameWriterFactory.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

create

public static FieldWriter create(ColumnSelectorFactory columnSelectorFactory,
                                 String columnName,
                                 ColumnType columnType)

Helper used by RowBasedFrameWriterFactory. The returned FieldWriter objects are not thread-safe.

Throws:

UnsupportedColumnTypeException - if "type" cannot be handled