Package org.apache.drill.exec.store.easy.json.values

Class DoubleListener

java.lang.Object

org.apache.drill.exec.store.easy.json.values.ScalarListener

org.apache.drill.exec.store.easy.json.values.DoubleListener

All Implemented Interfaces:

ValueListener

public class DoubleListener
extends ScalarListener

Listener for the JSON double type. Allows conversion from other types. Conversion from Boolean is the usual semantics: true = 1.0, false = 0.0. Strings are parsed using Java semantics.

Field Summary

Fields inherited from class org.apache.drill.exec.store.easy.json.values.ScalarListener

isArray, loader, writer

Constructor Summary

Constructors

Constructor	Description
DoubleListener(JsonLoaderImpl loader, ScalarWriter writer)

Method Summary

Modifier and Type	Method	Description
void	onValue(com.fasterxml.jackson.core.JsonToken token, TokenIterator tokenizer)	Called for a JSON scalar token.
protected void	setArrayNull()

Methods inherited from class org.apache.drill.exec.store.easy.json.values.ScalarListener

addValueToListenerMap, addValueToListenerMap, onText, schema, setNull, typeConversionError

Methods inherited from class java.lang.Object

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

Constructor Details

DoubleListener

public DoubleListener(JsonLoaderImpl loader,
 ScalarWriter writer)

Method Details

onValue

public void onValue(com.fasterxml.jackson.core.JsonToken token,
 TokenIterator tokenizer)

Description copied from interface: ValueListener

Called for a JSON scalar token.

Specified by:

onValue in interface ValueListener

Overrides:

onValue in class ScalarListener

Parameters:

token - the scalar token

tokenizer - provides access to the value of the token

setArrayNull

protected void setArrayNull()

Overrides:

setArrayNull in class ScalarListener