Uses of Interface
org.apache.drill.exec.store.easy.json.parser.ElementParser

Packages that use ElementParser

Package	Description
org.apache.drill.exec.store.easy.json.extended	Provides parsing for Mongo extended types which are generally of the form { "$type": value }.
org.apache.drill.exec.store.easy.json.loader
org.apache.drill.exec.store.easy.json.parser

Uses of ElementParser in org.apache.drill.exec.store.easy.json.extended

Classes in org.apache.drill.exec.store.easy.json.extended that implement ElementParser

Modifier and Type	Class and Description
class	BaseExtendedValueParser
class	MongoBinaryValueParser Parsers a binary.
class	MongoDateValueParser Parses a Mongo date in the V1 format:
class	SimpleExtendedValueParser Parsers a Mongo extended type of the form:

Methods in org.apache.drill.exec.store.easy.json.extended that return ElementParser

Modifier and Type	Method and Description
ElementParser	ExtendedTypeFieldFactory.fieldParser(FieldDefn fieldDefn)

Uses of ElementParser in org.apache.drill.exec.store.easy.json.loader

Classes in org.apache.drill.exec.store.easy.json.loader that implement ElementParser

Modifier and Type	Class and Description
class	EmptyArrayFieldParser Represents a run of empty arrays for which we have no type information.
class	NullFieldParser Parser for a field that contains only nulls.
class	TupleParser Accepts { name : value ...
class	VariantParser Parser which accepts all JSON values and converts them to actions on a UNION vector writer.

Methods in org.apache.drill.exec.store.easy.json.loader that return ElementParser

Modifier and Type	Method and Description
ElementParser	BaseFieldFactory.buildOuterArrays(ObjectWriter writer, int dims, Function<ObjectWriter,ElementParser> innerCreator) Create layers of repeated list listeners around the type-specific array.
ElementParser	InferredFieldFactory.fieldParser(FieldDefn fieldDefn) Build a column and its listener based on a look-ahead hint.
ElementParser	ProvidedFieldFactory.fieldParser(FieldDefn fieldDefn) Build a column and its listener based a provided schema.
ElementParser	FieldFactory.fieldParser(FieldDefn fieldDefn) Create a parser for a field.
ElementParser	InferredFieldFactory.forceArrayResolution(FieldDefn fieldDefn)
ElementParser	FieldFactory.forceArrayResolution(FieldDefn fieldDefn)
ElementParser	BaseFieldFactory.forceArrayResolution(FieldDefn fieldDefn)
ElementParser	InferredFieldFactory.forceNullResolution(FieldDefn fieldDefn)
ElementParser	FieldFactory.forceNullResolution(FieldDefn fieldDefn)
ElementParser	BaseFieldFactory.forceNullResolution(FieldDefn fieldDefn)
ElementParser	FieldFactory.ignoredFieldParser()
ElementParser	BaseFieldFactory.ignoredFieldParser()
ElementParser	BaseFieldFactory.multiDimObjectArrayFor(ObjectWriter writer, int dims, TupleMetadata providedSchema) Create a repeated list listener for a Map.
protected ElementParser	BaseFieldFactory.multiDimScalarArrayFor(ObjectWriter writer, int dims) Create a repeated list listener for a scalar value.
protected ElementParser	BaseFieldFactory.multiDimVariantArrayParserFor(ObjectWriter writer, int dims) Create a repeated list listener for a variant.
protected ElementParser	BaseFieldFactory.objectArrayParserFor(ArrayWriter arrayWriter, TupleMetadata providedSchema)
ElementParser	InferredFieldFactory.objectArrayParserFor(FieldDefn fieldDefn) Create a map array column and its associated object array listener for the given key.
protected ElementParser	BaseFieldFactory.objectArrayParserFor(FieldDefn fieldDefn, ColumnMetadata colSchema, TupleMetadata providedSchema) Create a map array column and its associated parsers and listeners for the given column schema and optional provided schema.
ElementParser	BaseFieldFactory.objectParserFor(FieldDefn fieldDefn) Create a map column and its associated object value listener for the a JSON object value given the value's key.
protected ElementParser	BaseFieldFactory.objectParserFor(FieldDefn fieldDefn, ColumnMetadata colSchema, TupleMetadata providedSchema) Create a map column and its associated object value listener for the given key and optional provided schema.
protected ElementParser	BaseFieldFactory.objectParserFor(TupleWriter writer, TupleMetadata providedSchema)
ElementParser	TupleParser.onField(String key, TokenIterator tokenizer)
ElementParser	ProvidedFieldFactory.parserFor(FieldDefn fieldDefn)
protected ElementParser	NullFieldParser.resolve(TokenIterator tokenizer) The column type is now known from context.
protected ElementParser	EmptyArrayFieldParser.resolve(TokenIterator tokenizer) The column type is now known from context.
ElementParser	TupleParser.resolveArray(String key, TokenIterator tokenizer)
ElementParser	TupleParser.resolveField(String key, TokenIterator tokenizer)
protected ElementParser	BaseFieldFactory.scalarArrayParserFor(ArrayWriter writer)
protected ElementParser	BaseFieldFactory.scalarArrayParserFor(ValueParser element)
protected ElementParser	BaseFieldFactory.variantArrayParserFor(ArrayWriter arrayWriter) Create a variant array (LIST) column and its associated parser given a column schema.
protected ElementParser	BaseFieldFactory.variantParserFor(VariantWriter writer) Create a variant (UNION) column and its associated parser given a column schema.

Method parameters in org.apache.drill.exec.store.easy.json.loader with type arguments of type ElementParser

Modifier and Type	Method and Description
ElementParser	BaseFieldFactory.buildOuterArrays(ObjectWriter writer, int dims, Function<ObjectWriter,ElementParser> innerCreator) Create layers of repeated list listeners around the type-specific array.

Uses of ElementParser in org.apache.drill.exec.store.easy.json.parser

Classes in org.apache.drill.exec.store.easy.json.parser that implement ElementParser

Modifier and Type	Class and Description
class	AbstractElementParser Abstract base class for all JSON element parsers.
class	ArrayParser Parses a JSON array, which consists of a list of elements, represented by a ValueListener.
class	ArrayValueParser
static class	ArrayValueParser.LenientArrayValueParser
class	DummyValueParser Parse and ignore an unprojected value.
class	EmptyArrayParser Represents an empty array: the case where the parser has seen only [], but no array elements which would indicate the type.
class	FullValueParser
class	JsonValueParser Parses an arbitrary JSON value (which can be a subtree of any complexity) into a JSON string.
class	NullValueParser Parses nulls.
class	ObjectParser Parses a JSON object: { name : value ...
class	ObjectValueParser
class	ScalarValueParser
static class	ScalarValueParser.SimpleValueParser Parses true | false | null | integer | float | string | embedded-object and simply passes the value token on to the listener.
static class	ScalarValueParser.TextValueParser Parses true | false | null | integer | float | string | embedded-object
class	ValueParser Parses a JSON value.

Fields in org.apache.drill.exec.store.easy.json.parser declared as ElementParser

Modifier and Type	Field and Description
static ElementParser	DummyValueParser.INSTANCE

Methods in org.apache.drill.exec.store.easy.json.parser that return ElementParser

Modifier and Type	Method and Description
ElementParser	FieldParserFactory.arrayValueParser(ArrayListener arrayListener, ElementParser elementParser)
ElementParser	ArrayParser.elementParser()
ElementParser	ObjectParser.fieldParser(String key)
ElementParser	FieldParserFactory.ignoredFieldParser()
ElementParser	FieldParserFactory.objectValueParser(ObjectParser objParser)
protected abstract ElementParser	ObjectParser.onField(String key, TokenIterator tokenizer) The structure parser has just encountered a new field for this object.
ElementParser	ObjectParser.replaceFieldParser(String key, ElementParser fieldParser)
protected abstract ElementParser	NullValueParser.resolve(TokenIterator tokenizer) Replace this parser with a new parser based on the current parse context.
protected abstract ElementParser	EmptyArrayParser.resolve(TokenIterator tokenizer) Replace this parser with a new parser based on the current parse context.
ElementParser	FieldParserFactory.scalarArrayValueParser(ArrayListener arrayListener, ElementParser elementParser)

Methods in org.apache.drill.exec.store.easy.json.parser with parameters of type ElementParser

Modifier and Type	Method and Description
ElementParser	FieldParserFactory.arrayValueParser(ArrayListener arrayListener, ElementParser elementParser)
ElementParser	ObjectParser.replaceFieldParser(String key, ElementParser fieldParser)
ElementParser	FieldParserFactory.scalarArrayValueParser(ArrayListener arrayListener, ElementParser elementParser)

Constructors in org.apache.drill.exec.store.easy.json.parser with parameters of type ElementParser

Constructor and Description
ArrayParser(JsonStructureParser structParser, ArrayListener arrayListener, ElementParser elementParser)