Package io.goobi.viewer.model.iiif.presentation.v3.builder

Class DataRetriever

java.lang.Object

io.goobi.viewer.model.iiif.presentation.v3.builder.DataRetriever

public class DataRetriever
extends Object

Responsible for retrieving data from Index to build any IIIF resources

Author:

florian

Field Summary

Fields

Modifier and Type	Field	Description
static final String[]	CONTAINED_WORKS_QUERY_FIELDS	Required field to create manifest stubs for works in collection
static final String[]	REQUIRED_SOLR_FIELDS	Required fields to create manifests with structure

Constructor Summary

Constructors

Constructor	Description
DataRetriever()

Method Summary

Modifier and Type	Method	Description
protected void	addEventMetadataToWorkElement(List<StructElement> eles, List<org.apache.solr.common.SolrDocument> events)	Adds all metadata from the given events to the first work document contained in eles.
protected static List<String>	addLanguageFields(List<String> displayFields, List<Locale> locales)
List<CollectionResult>	getChildCollections(String solrField, String collectionName)	Get all collections which are direct children of the given collection along with the number of contained works and direct children
List<StructElement>	getContainedRecords(String solrField, String collectionName)	Get all records directly belonging to the given collection, only the fields in CONTAINED_WORKS_QUERY_FIELDS are returned
StructElement	getDocument(String pi)	getDocument.
List<StructElement>	getDocumentWithChildren(String pi)	Queries all DocStructs which have the given PI as PI_TOPSTRUCT or anchor (or are the anchor themselves).
protected Map<String,List<String>>	getEventFields()	getEventFields.
List<String>	getSolrFieldList()	getSolrFieldList.
List<CollectionResult>	getTopLevelCollections(String solrField)	Get all top level collections (i.e.

Methods inherited from class java.lang.Object

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

Field Details

CONTAINED_WORKS_QUERY_FIELDS

public static final String[] CONTAINED_WORKS_QUERY_FIELDS

Required field to create manifest stubs for works in collection

REQUIRED_SOLR_FIELDS

public static final String[] REQUIRED_SOLR_FIELDS

Required fields to create manifests with structure

Constructor Details

DataRetriever

public DataRetriever()

Method Details

getDocumentWithChildren

public List<StructElement> getDocumentWithChildren(String pi)
                                            throws PresentationException,
IndexUnreachableException

Queries all DocStructs which have the given PI as PI_TOPSTRUCT or anchor (or are the anchor themselves). Works are sorted by a StructElementComparator If no hits are found, an empty list is returned

Parameters:

pi - a String object.

Returns:

A list of all docstructs with the given pi or children thereof. An empty list if no hits are found

Throws:

PresentationException - if any.

IndexUnreachableException - if any.

getTopLevelCollections

public List<CollectionResult> getTopLevelCollections(String solrField)
                                              throws IndexUnreachableException

Get all top level collections (i.e. those without splitting-char) along with the number of contained works and direct children

Parameters:

solrField -

Returns:

List (immutable!)

Throws:

IndexUnreachableException

getChildCollections

public List<CollectionResult> getChildCollections(String solrField,
 String collectionName)
                                           throws IndexUnreachableException

Get all collections which are direct children of the given collection along with the number of contained works and direct children

Parameters:

solrField -

collectionName -

Returns:

List (immutable!)

Throws:

IndexUnreachableException

getContainedRecords

public List<StructElement> getContainedRecords(String solrField,
 String collectionName)
                                        throws IndexUnreachableException,
PresentationException

Get all records directly belonging to the given collection, only the fields in CONTAINED_WORKS_QUERY_FIELDS are returned

Parameters:

solrField -

collectionName -

Returns:

List (immutable!)

Throws:

IndexUnreachableException

PresentationException

addEventMetadataToWorkElement

protected void addEventMetadataToWorkElement(List<StructElement> eles,
 List<org.apache.solr.common.SolrDocument> events)

Adds all metadata from the given events to the first work document contained in eles. All metadata will be attached twice, once in the form "/[fieldName]" and once in the form "[eventType]/[fieldName]"

Parameters:

eles - The list of StructElements from which to select the first work document. All metadata are attached to this document

events - The list of event SolrDocuments from which to take the metadata

getEventFields

protected Map<String,List<String>> getEventFields()

getEventFields.

Returns:

a Map object.

getDocument

public StructElement getDocument(String pi)
                          throws PresentationException,
IndexUnreachableException

getDocument.

Parameters:

pi - a String object.

Returns:

a StructElement object.

Throws:

PresentationException - if any.

IndexUnreachableException - if any.

getSolrFieldList

public List<String> getSolrFieldList()

getSolrFieldList.

Returns:

a List object.

addLanguageFields

protected static List<String> addLanguageFields(List<String> displayFields,
 List<Locale> locales)

Parameters:

displayFields -

locales -

Returns:

List (immutable!)