org.apache.metamodel.schema.builder

Class SingleMapColumnSchemaBuilder

java.lang.Object

org.apache.metamodel.schema.builder.SingleMapColumnSchemaBuilder

All Implemented Interfaces:

DocumentConverter, SchemaBuilder

public class SingleMapColumnSchemaBuilder
extends Object
implements SchemaBuilder, DocumentConverter

A very simple SchemaBuilder that builds a schema consisting of 1 table with 1 column, of type Map.

Constructor Summary

Constructors

Constructor and Description
SingleMapColumnSchemaBuilder(Resource resource, String columnName)
SingleMapColumnSchemaBuilder(String schemaName, String tableName, String columnName)

Method Summary

Modifier and Type	Method and Description
MutableSchema	build() Builds the Schema
Row	convert(Document document, DataSetHeader header) Converts a Document into a row with the given DataSetHeader.
DocumentConverter	getDocumentConverter(Table table) Gets a DocumentConverter for a table in the produced schema
String	getSchemaName() Gets the name of the schema that is built / will be built.
void	offerSources(DocumentSourceProvider documentSourceProvider) Offers a DocumentSourceProvider to the SchemaBuilder.

Methods inherited from class java.lang.Object

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

Constructor Detail

SingleMapColumnSchemaBuilder

public SingleMapColumnSchemaBuilder(Resource resource,
                                    String columnName)

SingleMapColumnSchemaBuilder

public SingleMapColumnSchemaBuilder(String schemaName,
                                    String tableName,
                                    String columnName)

Method Detail

offerSources

public void offerSources(DocumentSourceProvider documentSourceProvider)

Description copied from interface: SchemaBuilder

Offers a DocumentSourceProvider to the SchemaBuilder. The SchemaBuilder may consume the sources to build/detect a schema based on the observed documents in the sources. It may also choose to ignore the source, if the it does not need it.

Specified by:

offerSources in interface SchemaBuilder

getSchemaName

public String getSchemaName()

Description copied from interface: SchemaBuilder

Gets the name of the schema that is built / will be built.

Specified by:

getSchemaName in interface SchemaBuilder

Returns:

build

public MutableSchema build()

Description copied from interface: SchemaBuilder

Builds the Schema

Specified by:

build in interface SchemaBuilder

Returns:

getDocumentConverter

public DocumentConverter getDocumentConverter(Table table)

Description copied from interface: SchemaBuilder

Gets a DocumentConverter for a table in the produced schema

Specified by:

getDocumentConverter in interface SchemaBuilder

Returns:

convert

public Row convert(Document document,
                   DataSetHeader header)

Description copied from interface: DocumentConverter

Converts a Document into a row with the given DataSetHeader.

Specified by:

convert in interface DocumentConverter

Returns: