ColumnarMapData (Flink : Table : Common 2.1.0 API)

java.lang.Object
- org.apache.flink.table.data.columnar.ColumnarMapData

All Implemented Interfaces:

MapData
```
@Internal
public final class ColumnarMapData
extends Object
implements MapData
```
Columnar map to support access to vector column data.

Constructor Summary

Constructors
Constructor	Description
`ColumnarMapData(ColumnVector keyColumnVector, ColumnVector valueColumnVector, int offset, int numElements)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(Object o)`
`int`	`hashCode()`
`ArrayData`	`keyArray()`	Returns an array view of the keys contained in this map.
`int`	`size()`	Returns the number of key-value mappings in this map.
`ArrayData`	`valueArray()`	Returns an array view of the values contained in this map.

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

- Constructor Detail
  - ColumnarMapData
```
public ColumnarMapData(ColumnVector keyColumnVector,
                       ColumnVector valueColumnVector,
                       int offset,
                       int numElements)
```
- Method Detail
  - size
```
public int size()
```
    Description copied from interface: MapData
    
    Returns the number of key-value mappings in this map.
    
    Specified by:
    
    size in interface MapData
  - keyArray
```
public ArrayData keyArray()
```
    Description copied from interface: MapData
    
    Returns an array view of the keys contained in this map.
    A key-value pair has the same index in the key array and value array.
    
    Specified by:
    
    keyArray in interface MapData
  - valueArray
```
public ArrayData valueArray()
```
    Description copied from interface: MapData
    
    Returns an array view of the values contained in this map.
    A key-value pair has the same index in the key array and value array.
    
    Specified by:
    
    valueArray in interface MapData
  - equals
```
public boolean equals(Object o)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object