org.apache.drill.exec.vector.accessor.reader

Class AbstractScalarReader.ScalarObjectReader

java.lang.Object

org.apache.drill.exec.vector.accessor.reader.AbstractObjectReader

org.apache.drill.exec.vector.accessor.reader.AbstractScalarReader.ScalarObjectReader

All Implemented Interfaces:

ColumnReader, ObjectReader

Enclosing class:

AbstractScalarReader

public static class AbstractScalarReader.ScalarObjectReader
extends AbstractObjectReader

Constructor Summary

Constructors

Constructor and Description
ScalarObjectReader(AbstractScalarReader scalarReader)

Method Summary

Modifier and Type	Method and Description
ReaderEvents	events()
String	getAsString() Return the entire object as a string.
Object	getObject() Return the value of the underlying data as a Java object.
ColumnReader	reader() Gets the reader as a generic type, for dynamic programming.
ScalarReader	scalar()

Methods inherited from class org.apache.drill.exec.vector.accessor.reader.AbstractObjectReader

array, dict, isNull, schema, tuple, type, variant

Methods inherited from class java.lang.Object

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

Constructor Detail

ScalarObjectReader

public ScalarObjectReader(AbstractScalarReader scalarReader)

Method Detail

scalar

public ScalarReader scalar()

Specified by:

scalar in interface ObjectReader

Overrides:

scalar in class AbstractObjectReader

getObject

public Object getObject()

Description copied from interface: ColumnReader

Return the value of the underlying data as a Java object. Primarily for testing

• Array: Return the entire array as an List of objects. Note, even if the array is scalar, the elements are still returned as a list.

Returns:

the value as a Java object

getAsString

public String getAsString()

Description copied from interface: ColumnReader

Return the entire object as a string. Primarily for debugging.

Returns:

string representation of the object

events

public ReaderEvents events()

Specified by:

events in class AbstractObjectReader

reader

public ColumnReader reader()

Description copied from interface: ObjectReader

Gets the reader as a generic type, for dynamic programming.

Specified by:

reader in interface ObjectReader

Specified by:

reader in class AbstractObjectReader

Returns:

the untyped reader