Package org.dspace.discovery.indexobject

Class MetadataFieldIndexFactoryImpl

java.lang.Object

org.dspace.discovery.indexobject.IndexFactoryImpl<IndexableMetadataField,MetadataField>

org.dspace.discovery.indexobject.MetadataFieldIndexFactoryImpl

All Implemented Interfaces:

IndexFactory<IndexableMetadataField,MetadataField>, MetadataFieldIndexFactory

public class MetadataFieldIndexFactoryImpl
extends IndexFactoryImpl<IndexableMetadataField,MetadataField>
implements MetadataFieldIndexFactory

Factory implementation for indexing/retrieving MetadataField items in the search core

Author:

Maria Verdonck (Atmire) on 14/07/2020

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ELEMENT_FIELD_NAME
static final String	FIELD_NAME_VARIATIONS
protected GroupService	groupService
static final String	QUALIFIER_FIELD_NAME
static final String	SCHEMA_FIELD_NAME

Fields inherited from class org.dspace.discovery.indexobject.IndexFactoryImpl

solrSearchCore, solrServiceIndexPlugins

Constructor Summary

Constructors

Constructor	Description
MetadataFieldIndexFactoryImpl()

Method Summary

Modifier and Type	Method	Description
org.apache.solr.common.SolrInputDocument	buildDocument(Context context, IndexableMetadataField indexableObject)	Create solr document with all the shared fields initialized.
Iterator<IndexableMetadataField>	findAll(Context context)	Retrieve all instances of a certain indexable object type
Optional<IndexableMetadataField>	findIndexableObject(Context context, String id)	Retrieve a single indexable object using the provided identifier
List	getIndexableObjects(Context context, MetadataField object)	Retrieve all the indexable objects for the provided object
String	getType()	Return the type of the indexable object
boolean	supports(Object object)	Determine whether the class can handle the factory implementation

Methods inherited from class org.dspace.discovery.indexobject.IndexFactoryImpl

addFacetIndex, addFacetIndex, addNamedResourceTypeIndex, buildNewDocument, delete, delete, deleteAll, writeDocument, writeDocument

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.dspace.discovery.indexobject.factory.IndexFactory

buildNewDocument, delete, delete, deleteAll, writeDocument

Field Details

SCHEMA_FIELD_NAME

public static final String SCHEMA_FIELD_NAME

See Also:

• Constant Field Values

ELEMENT_FIELD_NAME

public static final String ELEMENT_FIELD_NAME

See Also:

• Constant Field Values

QUALIFIER_FIELD_NAME

public static final String QUALIFIER_FIELD_NAME

See Also:

• Constant Field Values

FIELD_NAME_VARIATIONS

public static final String FIELD_NAME_VARIATIONS

See Also:

• Constant Field Values

groupService

protected GroupService groupService

Constructor Details

MetadataFieldIndexFactoryImpl

public MetadataFieldIndexFactoryImpl()

Method Details

buildDocument

public org.apache.solr.common.SolrInputDocument buildDocument(Context context,
 IndexableMetadataField indexableObject)
                                                       throws SQLException,
IOException

Description copied from interface: IndexFactory

Create solr document with all the shared fields initialized.

Specified by:

buildDocument in interface IndexFactory<IndexableMetadataField,MetadataField>

Overrides:

buildDocument in class IndexFactoryImpl<IndexableMetadataField,MetadataField>

indexableObject - the indexableObject that we want to index

Returns:

initialized solr document

Throws:

SQLException

IOException

findAll

public Iterator<IndexableMetadataField> findAll(Context context)
                                         throws SQLException

Description copied from interface: IndexFactory

Retrieve all instances of a certain indexable object type

Specified by:

findAll in interface IndexFactory<IndexableMetadataField,MetadataField>

Parameters:

context - DSpace context object

Returns:

An iterator containing all the objects to be indexed for the indexable object

Throws:

SQLException - If database error

getType

public String getType()

Description copied from interface: IndexFactory

Return the type of the indexable object

Specified by:

getType in interface IndexFactory<IndexableMetadataField,MetadataField>

Returns:

a string containing the type

findIndexableObject

public Optional<IndexableMetadataField> findIndexableObject(Context context,
 String id)
                                                     throws SQLException

Description copied from interface: IndexFactory

Retrieve a single indexable object using the provided identifier

Specified by:

findIndexableObject in interface IndexFactory<IndexableMetadataField,MetadataField>

Parameters:

context - DSpace context object

id - The identifier for which we want to retrieve our indexable object

Returns:

An indexable object

Throws:

SQLException - If database error

supports

public boolean supports(Object object)

Description copied from interface: IndexFactory

Determine whether the class can handle the factory implementation

Specified by:

supports in interface IndexFactory<IndexableMetadataField,MetadataField>

Parameters:

object - The object which we want to check

Returns:

True if the factory implementation can handle the given object. False if it doesn't.

getIndexableObjects

public List getIndexableObjects(Context context,
 MetadataField object)

Description copied from interface: IndexFactory

Retrieve all the indexable objects for the provided object

Specified by:

getIndexableObjects in interface IndexFactory<IndexableMetadataField,MetadataField>

Parameters:

context - DSpace context object

object - The object we want to retrieve our indexable objects for

Returns:

A list of indexable objects