org.apache.parquet.schema

Class Types.GroupBuilder<P>

java.lang.Object

org.apache.parquet.schema.Types.Builder<Types.GroupBuilder<P>,P>

org.apache.parquet.schema.Types.GroupBuilder<P>

Type Parameters:

P - The type that this builder will return from Types.Builder.named(String) when the type is built.

Direct Known Subclasses:

Types.MessageTypeBuilder

Enclosing class:

Types

public static class Types.GroupBuilder<P>
extends Types.Builder<Types.GroupBuilder<P>,P>

A builder for GroupType objects.

Field Summary

Fields

Modifier and Type	Field and Description
protected List<Type>	fields

Fields inherited from class org.apache.parquet.schema.Types.Builder

id, originalType, parent, repetition, returnClass

Method Summary

Methods

Modifier and Type	Method and Description
Types.GroupBuilder<P>	addField(Type type) Adds type as a sub-field to the group configured by this builder.
Types.GroupBuilder<P>	addFields(Type... types) Adds types as sub-fields of the group configured by this builder.
protected GroupType	build(String name)
Types.GroupBuilder<Types.GroupBuilder<P>>	group(Type.Repetition repetition)
Types.PrimitiveBuilder<Types.GroupBuilder<P>>	optional(PrimitiveType.PrimitiveTypeName type) Returns a Types.PrimitiveBuilder for the optional primitive type type.
Types.GroupBuilder<Types.GroupBuilder<P>>	optionalGroup() Returns a Types.GroupBuilder to build an optional sub-group.
Types.PrimitiveBuilder<Types.GroupBuilder<P>>	primitive(PrimitiveType.PrimitiveTypeName type, Type.Repetition repetition)
Types.PrimitiveBuilder<Types.GroupBuilder<P>>	repeated(PrimitiveType.PrimitiveTypeName type) Returns a Types.PrimitiveBuilder for the repeated primitive type type.
Types.GroupBuilder<Types.GroupBuilder<P>>	repeatedGroup() Returns a Types.GroupBuilder to build a repeated sub-group.
Types.PrimitiveBuilder<Types.GroupBuilder<P>>	required(PrimitiveType.PrimitiveTypeName type) Returns a Types.PrimitiveBuilder for the required primitive type type.
Types.GroupBuilder<Types.GroupBuilder<P>>	requiredGroup() Returns a Types.GroupBuilder to build a required sub-group.
protected Types.GroupBuilder<P>	self()

Methods inherited from class org.apache.parquet.schema.Types.Builder

as, id, named, repetition

Methods inherited from class java.lang.Object

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

Field Detail

fields

protected final List<Type> fields

Method Detail

self

protected Types.GroupBuilder<P> self()

Specified by:

self in class Types.Builder<Types.GroupBuilder<P>,P>

primitive

public Types.PrimitiveBuilder<Types.GroupBuilder<P>> primitive(PrimitiveType.PrimitiveTypeName type,
                                                      Type.Repetition repetition)

required

public Types.PrimitiveBuilder<Types.GroupBuilder<P>> required(PrimitiveType.PrimitiveTypeName type)

Returns a Types.PrimitiveBuilder for the required primitive type type.

Parameters:

type - a PrimitiveType.PrimitiveTypeName

Returns:

a primitive builder for type that will return this builder for additional fields.

optional

public Types.PrimitiveBuilder<Types.GroupBuilder<P>> optional(PrimitiveType.PrimitiveTypeName type)

Returns a Types.PrimitiveBuilder for the optional primitive type type.

Parameters:

type - a PrimitiveType.PrimitiveTypeName

Returns:

a primitive builder for type that will return this builder for additional fields.

repeated

public Types.PrimitiveBuilder<Types.GroupBuilder<P>> repeated(PrimitiveType.PrimitiveTypeName type)

Returns a Types.PrimitiveBuilder for the repeated primitive type type.

Parameters:

type - a PrimitiveType.PrimitiveTypeName

Returns:

a primitive builder for type that will return this builder for additional fields.

group

public Types.GroupBuilder<Types.GroupBuilder<P>> group(Type.Repetition repetition)

requiredGroup

public Types.GroupBuilder<Types.GroupBuilder<P>> requiredGroup()

Returns a Types.GroupBuilder to build a required sub-group.

Returns:

a group builder that will return this builder for additional fields.

optionalGroup

public Types.GroupBuilder<Types.GroupBuilder<P>> optionalGroup()

Returns a Types.GroupBuilder to build an optional sub-group.

Returns:

a group builder that will return this builder for additional fields.

repeatedGroup

public Types.GroupBuilder<Types.GroupBuilder<P>> repeatedGroup()

Returns a Types.GroupBuilder to build a repeated sub-group.

Returns:

a group builder that will return this builder for additional fields.

addField

public Types.GroupBuilder<P> addField(Type type)

Adds type as a sub-field to the group configured by this builder.

Returns:

this builder for additional fields.

addFields

public Types.GroupBuilder<P> addFields(Type... types)

Adds types as sub-fields of the group configured by this builder.

Returns:

this builder for additional fields.

build

protected GroupType build(String name)

Specified by:

build in class Types.Builder<Types.GroupBuilder<P>,P>