org.datavec.api.transform.schema

Class SequenceSchema

java.lang.Object

org.datavec.api.transform.schema.Schema

org.datavec.api.transform.schema.SequenceSchema

All Implemented Interfaces:

Serializable

public class SequenceSchema
extends Schema

A SequenceSchema is a Schema for sequential data.

Author:

Alex Black

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SequenceSchema.Builder

Constructor Summary

Constructors

Constructor and Description
SequenceSchema(List<ColumnMetaData> columnMetaData)
SequenceSchema(List<ColumnMetaData> columnMetaData, Integer minSequenceLength, Integer maxSequenceLength)

Method Summary

Modifier and Type	Method and Description
static SequenceSchema	inferSequence(List<List<Writable>> record) Infers a sequence schema based on the record
static SequenceSchema	inferSequenceMulti(List<List<List<Writable>>> record) Infers a sequence schema based on the record
SequenceSchema	newSchema(List<ColumnMetaData> columnMetaData) Create a new schema based on the new metadata
String	toString()

Methods inherited from class org.datavec.api.transform.schema.Schema

differences, fromJson, fromYaml, getColumnMetaData, getColumnNames, getColumnTypes, getIndexOfColumn, getIndexOfColumns, getIndexOfColumns, getMetaData, getMetaData, getName, getType, getType, hasColumn, infer, inferMultiple, numColumns, sameTypes, toJson, toYaml

Methods inherited from class java.lang.Object

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

Constructor Detail

SequenceSchema

public SequenceSchema(List<ColumnMetaData> columnMetaData)

SequenceSchema

public SequenceSchema(List<ColumnMetaData> columnMetaData,
                      Integer minSequenceLength,
                      Integer maxSequenceLength)

Method Detail

newSchema

public SequenceSchema newSchema(List<ColumnMetaData> columnMetaData)

Description copied from class: Schema

Create a new schema based on the new metadata

Overrides:

newSchema in class Schema

Parameters:

columnMetaData - the new metadata to create the schema from

Returns:

the new schema

toString

public String toString()

Overrides:

toString in class Schema

inferSequenceMulti

public static SequenceSchema inferSequenceMulti(List<List<List<Writable>>> record)

Infers a sequence schema based on the record

Parameters:

record - the record to infer the schema based on

Returns:

the inferred sequence schema

inferSequence

public static SequenceSchema inferSequence(List<List<Writable>> record)

Infers a sequence schema based on the record

Parameters:

record - the record to infer the schema based on

Returns:

the inferred sequence schema