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package eu.dnetlib.oai.conf;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import java.util.stream.Collectors;
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import com.google.common.collect.ArrayListMultimap;
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import com.google.common.collect.Multimap;
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import eu.dnetlib.clients.enabling.ISLookUpClient;
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import eu.dnetlib.oai.PublisherField;
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import eu.dnetlib.oai.info.SetInfo;
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import eu.dnetlib.rmi.common.UnimplementedException;
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import eu.dnetlib.rmi.enabling.ISLookUpException;
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import eu.dnetlib.rmi.provision.MDFInfo;
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import eu.dnetlib.rmi.provision.OaiPublisherRuntimeException;
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import eu.dnetlib.utils.MetadataReference;
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import org.springframework.beans.factory.annotation.Autowired;
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/**
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* Instances of this class read the configuration of the OAI publisher from the IS, by performing xquery on the Exist database.
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*
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* @author alessia
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*/
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public class OAIConfigurationExistReader implements OAIConfigurationReader {
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@Autowired
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private ISLookUpClient lookupClient;
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private String xpathToIdScheme = "//RESOURCE_PROFILE[.//RESOURCE_TYPE/@value = 'OAIPublisherConfigurationDSResourceType']//CONFIGURATION/IDSCHEME/text()";
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private String xpathToIdNamespace =
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"//RESOURCE_PROFILE[.//RESOURCE_TYPE/@value = 'OAIPublisherConfigurationDSResourceType']//CONFIGURATION/IDNAMESPACE/text()";
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@Override
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public List<SetInfo> getSets() {
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final String query =
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"for $x in collection('/db/DRIVER/OAIPublisherConfigurationDSResources/OAIPublisherConfigurationDSResourceType')//CONFIGURATION/OAISETS/OAISET "
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+ "return concat($x/spec, ':-:', $x/name, ':-:', $x//description , ':-:', $x//query, ':-:', $x/@enabled/string())";
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try {
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return this.lookupClient.searchAndMapToClassByConstructor(query, SetInfo.class, ":-:");
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} catch (final ISLookUpException e) {
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throw new RuntimeException(e);
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}
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}
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@Override
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public List<SetInfo> getSets(final boolean onlyEnabled) {
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if (onlyEnabled) {
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final String query =
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"for $x in collection('/db/DRIVER/OAIPublisherConfigurationDSResources/OAIPublisherConfigurationDSResourceType')//CONFIGURATION/OAISETS/OAISET "
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+ "where $x/@enabled/string() = 'true' "
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+ "return concat($x/spec, ':-:', $x/name, ':-:', $x//description , ':-:', $x//query, ':-:', $x/@enabled/string())";
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try {
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return this.lookupClient.searchAndMapToClassByConstructor(query, SetInfo.class, ":-:");
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} catch (final ISLookUpException e) {
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throw new RuntimeException(e);
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}
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} else {
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return this.getSets();
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}
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}
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@Override
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public List<String> getSetSpecs() {
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final String query =
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"for $x in collection('/db/DRIVER/OAIPublisherConfigurationDSResources/OAIPublisherConfigurationDSResourceType')//CONFIGURATION/OAISETS/OAISET "
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+ "return $x/spec/string() ";
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try {
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return this.lookupClient.search(query);
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} catch (final ISLookUpException e) {
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throw new OaiPublisherRuntimeException(e);
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}
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}
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@Override
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public List<String> getSetSpecs(final boolean onlyEnabled) {
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final String query =
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"for $x in collection('/db/DRIVER/OAIPublisherConfigurationDSResources/OAIPublisherConfigurationDSResourceType')//CONFIGURATION/OAISETS/OAISET "
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+ "where $x/@enabled/string() = '" + onlyEnabled + "' " + "return $x/spec/string() ";
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try {
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return this.lookupClient.search(query);
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} catch (final ISLookUpException e) {
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throw new OaiPublisherRuntimeException(e);
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}
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}
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@Override
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public SetInfo getSetInfo(final String setSpec) {
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final String query =
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"for $x in collection('/db/DRIVER/OAIPublisherConfigurationDSResources/OAIPublisherConfigurationDSResourceType')//CONFIGURATION/OAISETS/OAISET "
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+ "where $x/spec = '"
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+ setSpec
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+ "' "
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+ "return concat($x/spec, ':-:', $x/name, ':-:', $x//description , ':-:', $x//query, ':-:', $x/@enabled/string())";
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try {
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final List<SetInfo> info = this.lookupClient.searchAndMapToClassByConstructor(query, SetInfo.class, ":-:");
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if (info != null && info.size() > 0) { return info.get(0); }
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return null;
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} catch (final Throwable e) {
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throw new OaiPublisherRuntimeException(e);
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}
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}
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@Override
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public List<MetadataReference> getSourceMetadataFormats() {
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final String query =
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"for $x in collection('/db/DRIVER/OAIPublisherConfigurationDSResources/OAIPublisherConfigurationDSResourceType')//CONFIGURATION//METADATAFORMAT "
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+ "return concat($x//SOURCE_METADATA_FORMAT/@name/string(), ':-:', $x//SOURCE_METADATA_FORMAT/@layout/string(), ':-:', $x//SOURCE_METADATA_FORMAT/@interpretation/string())";
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List<String> res;
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try {
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res = this.lookupClient.search(query);
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} catch (final ISLookUpException e) {
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throw new OaiPublisherRuntimeException(e);
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}
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final Set<MetadataReference> sources = new HashSet<>();
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res.forEach(src -> {
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final String[] splitted = src.split(":-:");
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MetadataReference mdref = new MetadataReference(splitted[0],splitted[1],splitted[2] );
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sources.add(mdref);
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});
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return sources.stream().collect(Collectors.toList());
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}
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@Override
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public List<MDFInfo> getMetadataFormatInfo() {
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final String query =
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"for $x in collection('/db/DRIVER/OAIPublisherConfigurationDSResources/OAIPublisherConfigurationDSResourceType')//CONFIGURATION//METADATAFORMAT "
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+ "return concat($x/@metadataPrefix/string(), ':-:', $x//SCHEMA , ':-:', $x//NAMESPACE, "
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+ "':-:', $x//SOURCE_METADATA_FORMAT/@name/string(), ':-:', $x//SOURCE_METADATA_FORMAT/@layout/string(), ':-:', $x//SOURCE_METADATA_FORMAT/@interpretation/string(), "
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+ "':-:', $x//BASE_QUERY, ':-:', $x//TRANSFORMATION_RULE, ':-:', $x/@exportable/string() )";
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try {
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return this.lookupClient.searchAndMapToClassByConstructor(query, MDFInfo.class, ":-:");
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} catch (final Throwable e) {
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throw new OaiPublisherRuntimeException(e);
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}
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}
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@Override
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public List<MDFInfo> getMetadataFormatInfo(final boolean onlyEnabled) {
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if (onlyEnabled) {
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final String query =
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"for $x in collection('/db/DRIVER/OAIPublisherConfigurationDSResources/OAIPublisherConfigurationDSResourceType')//CONFIGURATION//METADATAFORMAT "
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+ "where $x/@exportable/string() = 'true' "
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+ "return concat($x/@metadataPrefix/string(), ':-:', $x//SCHEMA , ':-:', $x//NAMESPACE, "
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+ "':-:', $x//SOURCE_METADATA_FORMAT/@name/string(), ':-:', $x//SOURCE_METADATA_FORMAT/@layout/string(), ':-:', $x//SOURCE_METADATA_FORMAT/@interpretation/string(), "
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+ "':-:', $x//BASE_QUERY, ':-:', $x//TRANSFORMATION_RULE, ':-:', $x/@exportable/string() )";
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try {
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return this.lookupClient.searchAndMapToClassByConstructor(query, MDFInfo.class, ":-:");
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} catch (final Throwable e) {
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throw new OaiPublisherRuntimeException(e);
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}
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} else {
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return getMetadataFormatInfo();
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}
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}
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@Override
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public MDFInfo getMetadataFormatInfo(final String mdPrefix) {
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final String query =
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"for $x in collection('/db/DRIVER/OAIPublisherConfigurationDSResources/OAIPublisherConfigurationDSResourceType')//CONFIGURATION//METADATAFORMAT "
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+ "where $x/@metadataPrefix/string()='"
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+ mdPrefix
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+ "' "
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+ "return concat($x/@metadataPrefix/string(), ':-:', $x//SCHEMA , ':-:', $x//NAMESPACE, "
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+ "':-:', $x//SOURCE_METADATA_FORMAT/@name/string(), ':-:', $x//SOURCE_METADATA_FORMAT/@layout/string(), ':-:', $x//SOURCE_METADATA_FORMAT/@interpretation/string(), "
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+ "':-:', $x//BASE_QUERY,':-:', $x//TRANSFORMATION_RULE, ':-:', $x/@exportable/string() )";
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try {
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final List<MDFInfo> mdfInfos = this.lookupClient.searchAndMapToClassByConstructor(query, MDFInfo.class, ":-:");
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if (mdfInfos != null && mdfInfos.size() > 0) { return mdfInfos.get(0); }
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return null;
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} catch (final Throwable e) {
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throw new OaiPublisherRuntimeException(e);
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}
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}
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@Override
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public List<PublisherField> getFields() {
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throw new UnimplementedException();
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}
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@Override
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public List<PublisherField> getFields(final String format, final String interpretation, final String layout) {
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final String query =
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"for $x in collection('/db/DRIVER/OAIPublisherConfigurationDSResources/OAIPublisherConfigurationDSResourceType')//CONFIGURATION//INDICES/INDEX "
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+ "return concat($x/@name, ':-:', $x/@repeatable, ':-:', string-join($x/SOURCE[@name='"
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+ format
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+ "' and @interpretation='"
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+ interpretation
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+ "' and @layout='" + layout + "']/@path, ':-:'))";
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List<String> res;
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try {
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res = this.lookupClient.search(query);
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} catch (final ISLookUpException e) {
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throw new OaiPublisherRuntimeException(e);
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}
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final List<PublisherField> fields = new ArrayList<>();
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for (final String index : res) {
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final String[] splitted = index.split(":-:");
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final String indexName = splitted[0];
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final String repeatable = splitted[1];
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final PublisherField field = new PublisherField();
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field.setFieldName(indexName);
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field.setRepeatable(Boolean.valueOf(repeatable));
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final Multimap<String, String> sources = ArrayListMultimap.create();
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final String mdFormat = format + "-" + layout + "-" + interpretation;
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for (int i = 2; i < splitted.length; i++) {
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sources.put(mdFormat, splitted[i]);
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}
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field.setSources(sources);
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fields.add(field);
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}
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return fields;
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}
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@Override
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public List<String> getFieldNames() {
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final String query =
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"//RESOURCE_PROFILE[.//RESOURCE_TYPE/@value = 'OAIPublisherConfigurationDSResourceType']//CONFIGURATION//INDICES/INDEX/@name/string()";
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try {
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return this.lookupClient.search(query);
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} catch (final ISLookUpException e) {
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throw new OaiPublisherRuntimeException(e);
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}
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}
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@Override
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public List<MDFInfo> getFormatsServedBy(final String sourceFormatName, final String sourceFormatLayout, final String sourceFormatInterpretation) {
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final String query =
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"for $x in collection('/db/DRIVER/OAIPublisherConfigurationDSResources/OAIPublisherConfigurationDSResourceType')//CONFIGURATION//METADATAFORMAT[.//SOURCE_METADATA_FORMAT/@name = '"
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+ sourceFormatName
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+ "' and .//SOURCE_METADATA_FORMAT/@layout = '"
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+ sourceFormatLayout
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+ "' and .//SOURCE_METADATA_FORMAT/@interpretation = '"
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+ sourceFormatInterpretation
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+ "'] "
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+ "return concat($x/@metadataPrefix/string(), ':-:', $x//SCHEMA , ':-:', $x//NAMESPACE, "
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+ "':-:', $x//SOURCE_METADATA_FORMAT/@name/string(), ':-:', $x//SOURCE_METADATA_FORMAT/@layout/string(), ':-:', $x//SOURCE_METADATA_FORMAT/@interpretation/string(), "
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+ "':-:', $x//BASE_QUERY, ':-:', $x//TRANSFORMATION_RULE, ':-:', $x/@exportable/string() )";
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try {
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return this.lookupClient.searchAndMapToClassByConstructor(query, MDFInfo.class, ":-:");
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} catch (final ISLookUpException e) {
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throw new OaiPublisherRuntimeException(e);
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}
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}
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@Override
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public String getIdScheme() {
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try {
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return this.lookupClient.getResourceProfileByQuery(getXpathToIdScheme());
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} catch (final ISLookUpException e) {
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throw new OaiPublisherRuntimeException(e);
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}
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}
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@Override
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public String getIdNamespace() {
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try {
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return this.lookupClient.getResourceProfileByQuery(getXpathToIdNamespace());
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} catch (final ISLookUpException e) {
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throw new OaiPublisherRuntimeException(e);
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}
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}
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public ISLookUpClient getLookupClient() {
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return lookupClient;
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}
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public void setLookupClient(final ISLookUpClient lookupClient) {
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this.lookupClient = lookupClient;
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}
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public String getXpathToIdScheme() {
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return this.xpathToIdScheme;
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}
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public void setXpathToIdScheme(final String xpathToIdScheme) {
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this.xpathToIdScheme = xpathToIdScheme;
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}
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public String getXpathToIdNamespace() {
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return this.xpathToIdNamespace;
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}
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public void setXpathToIdNamespace(final String xpathToIdNamespace) {
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this.xpathToIdNamespace = xpathToIdNamespace;
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}
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}
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