Package org.apache.druid.frame.field
Class LongFieldReader
- java.lang.Object
-
- org.apache.druid.frame.field.NumericFieldReader
-
- org.apache.druid.frame.field.LongFieldReader
-
- All Implemented Interfaces:
FieldReader
public class LongFieldReader extends NumericFieldReader
Reads values written byLongFieldWriter
.
-
-
Nested Class Summary
-
Nested classes/interfaces inherited from class org.apache.druid.frame.field.NumericFieldReader
NumericFieldReader.Selector
-
-
Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static LongFieldReader
forArray()
static LongFieldReader
forPrimitive()
ColumnValueSelector<?>
getColumnValueSelector(org.apache.datasketches.memory.Memory memory, ReadableFieldPointer fieldPointer, byte nullIndicatorByte)
Creates a column value selector for the element written at fieldPointer's position in the memory.ValueType
getValueType()
ValueType
of the inheritor's element-
Methods inherited from class org.apache.druid.frame.field.NumericFieldReader
isComparable, isNull, makeColumnValueSelector, makeDimensionSelector
-
-
-
-
Method Detail
-
forPrimitive
public static LongFieldReader forPrimitive()
-
forArray
public static LongFieldReader forArray()
-
getValueType
public ValueType getValueType()
Description copied from class:NumericFieldReader
ValueType
of the inheritor's element- Specified by:
getValueType
in classNumericFieldReader
-
getColumnValueSelector
public ColumnValueSelector<?> getColumnValueSelector(org.apache.datasketches.memory.Memory memory, ReadableFieldPointer fieldPointer, byte nullIndicatorByte)
Description copied from class:NumericFieldReader
Creates a column value selector for the element written at fieldPointer's position in the memory. The nullilty check is handled by the nullIndicatorByte- Specified by:
getColumnValueSelector
in classNumericFieldReader
-
-