ComplexFrameColumnWriter (druid-processing 28.0.0 API)

java.lang.Object
- org.apache.druid.frame.write.columnar.ComplexFrameColumnWriter

All Implemented Interfaces:

Closeable, AutoCloseable, FrameColumnWriter
```
public class ComplexFrameColumnWriter
extends Object
implements FrameColumnWriter
```
Column writer for complex columns. Dual to ComplexFrameColumnReader.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`addSelection()`
`void`	`close()`
`long`	`size()`
`void`	`undo()`
`long`	`writeTo(org.apache.datasketches.memory.WritableMemory memory, long startPosition)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - addSelection
```
public boolean addSelection()
```
    Specified by:
    
    addSelection in interface FrameColumnWriter
  - undo
```
public void undo()
```
    Specified by:
    
    undo in interface FrameColumnWriter
  - size
```
public long size()
```
    Specified by:
    
    size in interface FrameColumnWriter
  - writeTo
```
public long writeTo(org.apache.datasketches.memory.WritableMemory memory,
                    long startPosition)
```
    Specified by:
    
    writeTo in interface FrameColumnWriter
  - close
```
public void close()
```
    Specified by:
    
    close in interface AutoCloseable
    
    Specified by:
    
    close in interface Closeable
    
    Specified by:
    
    close in interface FrameColumnWriter