DictionaryEncodedColumn (io.druid:druid 0.12.0 API)

All Superinterfaces:

AutoCloseable, BaseColumn, Closeable

All Known Implementing Classes:

SimpleDictionaryEncodedColumn
```
public interface DictionaryEncodedColumn<ActualType extends Comparable>
extends BaseColumn
```

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method and Description
`int`	`getCardinality()`
`IndexedInts`	`getMultiValueRow(int rowNum)`
`int`	`getSingleValueRow(int rowNum)`
`boolean`	`hasMultipleValues()`
`int`	`length()`
`int`	`lookupId(ActualType name)`
`ActualType`	`lookupName(int id)`
`default ColumnValueSelector`	`makeColumnValueSelector(ReadableOffset offset)`
`DimensionSelector`	`makeDimensionSelector(ReadableOffset offset, ExtractionFn extractionFn)`

Methods inherited from interface java.io.Closeable
close

Method Detail

length
```
int length()
```

hasMultipleValues
```
boolean hasMultipleValues()
```

getSingleValueRow
```
int getSingleValueRow(int rowNum)
```

getMultiValueRow

IndexedInts getMultiValueRow(int rowNum)

lookupName
```
ActualType lookupName(int id)
```

lookupId
```
int lookupId(ActualType name)
```

getCardinality
```
int getCardinality()
```

makeDimensionSelector

DimensionSelector makeDimensionSelector(ReadableOffset offset,
                                        @Nullable
                                        ExtractionFn extractionFn)

makeColumnValueSelector

default ColumnValueSelector makeColumnValueSelector(ReadableOffset offset)

Specified by:: makeColumnValueSelector in interface BaseColumn

Interface DictionaryEncodedColumn<ActualType extends Comparable>

Method Summary

Methods inherited from interface java.io.Closeable

Method Detail

length

hasMultipleValues

getSingleValueRow

getMultiValueRow

lookupName

lookupId

getCardinality

makeDimensionSelector

makeColumnValueSelector