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

Class VarCharListener

java.lang.Object

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

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

All Implemented Interfaces:

ValueListener

public class VarCharListener
extends ScalarListener

Value listener for JSON string values. Allows conversion from other scalar types using the Java toString() semantics. Use the "text-mode" hint in a provided schema to get the literal JSON value.

Field Summary

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

isArray, loader, writer

Constructor Summary

Constructors

Constructor	Description
VarCharListener(JsonLoaderImpl loader, ScalarWriter writer)

Method Summary

Modifier and Type	Method	Description
void	onText(String value)	Called when a parser converts a JSON structure to text rather than delivering the token directly.
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, schema, setNull, typeConversionError

Methods inherited from class java.lang.Object

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

Constructor Details

VarCharListener

public VarCharListener(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

onText

public void onText(String value)

Description copied from interface: ValueListener

Called when a parser converts a JSON structure to text rather than delivering the token directly.

Specified by:

onText in interface ValueListener

Overrides:

onText in class ScalarListener

Parameters:

value - the string value of the parsed token or structure

setArrayNull

protected void setArrayNull()

Overrides:

setArrayNull in class ScalarListener