org.apache.beam.sdk.util

Class RowJson.RowJsonDeserializer

java.lang.Object

com.fasterxml.jackson.databind.JsonDeserializer<T>

com.fasterxml.jackson.databind.deser.std.StdDeserializer<Row>

org.apache.beam.sdk.util.RowJson.RowJsonDeserializer

All Implemented Interfaces:

com.fasterxml.jackson.databind.deser.NullValueProvider, java.io.Serializable

Enclosing class:

RowJson

public static class RowJson.RowJsonDeserializer
extends com.fasterxml.jackson.databind.deser.std.StdDeserializer<Row>

Jackson deserializer for parsing JSON into Rows.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	RowJson.RowJsonDeserializer.NullBehavior An enumeration type for specifying how RowJson.RowJsonDeserializer should expect null values to be represented.

Nested classes/interfaces inherited from class com.fasterxml.jackson.databind.JsonDeserializer

com.fasterxml.jackson.databind.JsonDeserializer.None

Field Summary

Fields inherited from class com.fasterxml.jackson.databind.deser.std.StdDeserializer

_valueClass, _valueType, F_MASK_ACCEPT_ARRAYS, F_MASK_INT_COERCIONS

Method Summary

Modifier and Type	Method and Description
Row	deserialize(com.fasterxml.jackson.core.JsonParser jsonParser, com.fasterxml.jackson.databind.DeserializationContext deserializationContext)
static RowJson.RowJsonDeserializer	forSchema(Schema schema) Creates a deserializer for a Row Schema.
RowJson.RowJsonDeserializer	withNullBehavior(RowJson.RowJsonDeserializer.NullBehavior behavior) Sets the behaviour of the deserializer when retrieving null values in the input JSON.

Methods inherited from class com.fasterxml.jackson.databind.deser.std.StdDeserializer

_byteOverflow, _coercedTypeDesc, _coerceEmptyString, _coerceIntegral, _coerceNullToken, _coerceTextualNull, _deserializeFromArray, _deserializeFromEmpty, _deserializeWrappedValue, _failDoubleToIntCoercion, _findNullProvider, _hasTextualNull, _intOverflow, _isEmptyOrTextualNull, _isIntNumber, _isNaN, _isNegInf, _isPosInf, _neitherNull, _nonNullNumber, _parseBooleanFromInt, _parseBooleanPrimitive, _parseBytePrimitive, _parseDate, _parseDate, _parseDateFromArray, _parseDoublePrimitive, _parseDoublePrimitive, _parseFloatPrimitive, _parseFloatPrimitive, _parseIntPrimitive, _parseIntPrimitive, _parseLongPrimitive, _parseLongPrimitive, _parseShortPrimitive, _parseString, _reportFailedNullCoerce, _shortOverflow, _verifyEndArrayForSingle, _verifyNullForPrimitive, _verifyNullForPrimitiveCoercion, _verifyNullForScalarCoercion, _verifyNumberForScalarCoercion, _verifyStringForScalarCoercion, deserializeWithType, findContentNullProvider, findContentNullStyle, findConvertingContentDeserializer, findDeserializer, findFormatFeature, findFormatOverrides, findValueNullProvider, getValueClass, getValueType, getValueType, handledType, handleMissingEndArrayForSingle, handleUnknownProperty, isDefaultDeserializer, isDefaultKeyDeserializer, parseDouble

Methods inherited from class com.fasterxml.jackson.databind.JsonDeserializer

deserialize, deserializeWithType, findBackReference, getDelegatee, getEmptyAccessPattern, getEmptyValue, getEmptyValue, getKnownPropertyNames, getNullAccessPattern, getNullValue, getNullValue, getObjectIdReader, isCachable, replaceDelegatee, supportsUpdate, unwrappingDeserializer

Methods inherited from class java.lang.Object

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

Method Detail

forSchema

public static RowJson.RowJsonDeserializer forSchema(Schema schema)

Creates a deserializer for a Row Schema.

withNullBehavior

public RowJson.RowJsonDeserializer withNullBehavior(RowJson.RowJsonDeserializer.NullBehavior behavior)

Sets the behaviour of the deserializer when retrieving null values in the input JSON. See RowJson.RowJsonDeserializer.NullBehavior for a description of the options. Default value is ACCEPT_MISSING_OR_NULL.

deserialize

public Row deserialize(com.fasterxml.jackson.core.JsonParser jsonParser,
                       com.fasterxml.jackson.databind.DeserializationContext deserializationContext)
                throws java.io.IOException

Specified by:

deserialize in class com.fasterxml.jackson.databind.JsonDeserializer<Row>

Throws:

java.io.IOException