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package eu.dnetlib.functionality.index.utils;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import javax.annotation.Resource;
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import org.apache.commons.lang.StringUtils;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import com.google.common.base.Function;
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import com.google.common.collect.Iterables;
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import com.google.common.collect.Lists;
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import eu.dnetlib.data.provision.index.rmi.IndexServiceException;
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import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpDocumentNotFoundException;
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import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpException;
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import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpService;
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import eu.dnetlib.enabling.is.registry.ISRegistryDocumentNotFoundException;
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import eu.dnetlib.enabling.is.registry.rmi.ISRegistryException;
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import eu.dnetlib.enabling.is.registry.rmi.ISRegistryService;
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import eu.dnetlib.enabling.locators.UniqueServiceLocator;
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import eu.dnetlib.functionality.index.client.IndexClientException;
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public class ServiceTools {
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private static final Log log = LogFactory.getLog(ServiceTools.class);
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@Resource
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private UniqueServiceLocator serviceLocator;
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@Resource
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private MetadataReferenceFactory mdFactory;
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public List<MetadataReference> listMDRefs() throws IndexClientException {
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return Lists.newArrayList(Iterables.transform(listMDRefsAsString(), new Function<String, MetadataReference>() {
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@Override
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public MetadataReference apply(final String s) {
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return mdFactory.decodeMetadata(s);
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}
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}));
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}
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private List<String> quickSearchProfile(final String xquery) throws IndexClientException {
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try {
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return serviceLocator.getService(ISLookUpService.class).quickSearchProfile(xquery);
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} catch (ISLookUpException e) {
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throw new IndexClientException(e);
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}
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}
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public MetadataReference getMetadataRef(final String dsId) throws IndexServiceException {
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final String xquery = "for $x in //RESOURCE_PROFILE[.//RESOURCE_IDENTIFIER/@value='" + dsId + "']//CONFIGURATION " + "return concat("
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+ "$x/METADATA_FORMAT/text(),'-'," + "$x/METADATA_FORMAT_LAYOUT/text(),'-'," + "$x/METADATA_FORMAT_INTERPRETATION/text())";
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return mdFactory.decodeMetadata(getResourceProfileByQuery(xquery));
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}
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private String getResourceProfileByQuery(final String xquery) throws IndexServiceException {
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try {
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return serviceLocator.getService(ISLookUpService.class).getResourceProfileByQuery(xquery);
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} catch (ISLookUpDocumentNotFoundException e) {
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throw new IndexServiceException(e);
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} catch (ISLookUpException e) {
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throw new IndexServiceException(e);
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}
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}
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public String getIndexFields(final String dsId) throws IndexServiceException {
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return getIndexFields(getMetadataRef(dsId));
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}
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public String getIndexFields(final MetadataReference mdRef) {
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final String xquery = "for $x in collection('')/RESOURCE_PROFILE/BODY[CONFIGURATION/NAME='" + mdRef.getFormat()
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+ "'] return $x/STATUS/LAYOUTS/LAYOUT[@name='" + mdRef.getLayout() + "']/FIELDS";
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try {
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return getResourceProfileByQuery(xquery);
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} catch (IndexServiceException e) {
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log.warn("couldn't find Metadata format profile matching specs: " + mdRef.toString());
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return "";
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}
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}
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public List<String> listDsIds() throws IndexClientException {
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final String xquery = "//RESOURCE_PROFILE[.//RESOURCE_TYPE/@value='IndexDSResourceType']//RESOURCE_IDENTIFIER/@value/string()";
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return quickSearchProfile(xquery);
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}
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private List<String> listMDRefsAsString() throws IndexClientException {
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final String xquery = "for $x in //RESOURCE_PROFILE[.//RESOURCE_TYPE/@value='MDFormatDSResourceType'] "
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+ "let $format:= $x//CONFIGURATION/NAME/string() " + "for $y in $x//LAYOUTS/LAYOUT " + "let $layout:= $y//LAYOUT/@name/string() "
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+ "let $interpretation:= $x//CONFIGURATION/INTERPRETATION/text() " + "return concat($format,'-',$layout,'-',$interpretation) ";
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return quickSearchProfile(xquery);
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}
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public Map<String, String> getIndexProperties(final String backendId) throws IndexClientException {
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String query = "for $x in /RESOURCE_PROFILE[.//RESOURCE_TYPE/@value=\"IndexServiceResourceType\"]//SERVICE_PROPERTIES/PROPERTY"
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+ " return concat($x/@key/string(),\":::\", $x/@value/string())";
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Map<String, String> indexProperties = new HashMap<String, String>();
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try {
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List<String> results = serviceLocator.getService(ISLookUpService.class).quickSearchProfile(query);
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if (results != null) {
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for (String s : results) {
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String[] values = s.split(":::");
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if (values != null && values.length == 2) {
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String key = values[0];
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String value = values[1];
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if (StringUtils.startsWith(key, backendId)) {
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indexProperties.put(StringUtils.substringAfter(key, backendId + ":"), value);
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}
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}
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}
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}
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return indexProperties;
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} catch (ISLookUpException e) {
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throw new IndexClientException();
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}
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}
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public String registerProfile(final String resourceProfile) throws IndexServiceException {
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try {
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return serviceLocator.getService(ISRegistryService.class).registerProfile(resourceProfile);
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} catch (ISRegistryException e) {
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throw new IndexServiceException(e);
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}
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}
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public boolean incrementHandledDataStructures(final String backendId) throws IndexServiceException {
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final String xquery = "let $x := //RESOURCE_PROFILE[HEADER/PROTOCOLS/PROTOCOL/@name='" + backendId + "'],"
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+ "$tot := $x//STATUS/HANDLED_DATASTRUCTURE/number() + 1 " + "return update replace $x//STATUS/HANDLED_DATASTRUCTURE with "
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+ "<HANDLED_DATASTRUCTURE>{$tot}</HANDLED_DATASTRUCTURE>";
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log.info("performing increment of HANDLED_DATASTRUCTURE");
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return executeXUpdate(xquery);
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}
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private boolean executeXUpdate(final String xquery) throws IndexServiceException {
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try {
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return serviceLocator.getService(ISRegistryService.class).executeXUpdate(xquery);
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} catch (ISRegistryException e) {
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throw new IndexServiceException(e);
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}
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}
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public String getServiceAddress(final String backendId) {
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final String xquery = "let $x := //RESOURCE_PROFILE[HEADER/PROTOCOLS/PROTOCOL/@name='" + backendId + "']"
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+ "return $x//PROTOCOL[./@name='SOAP']/@address/string()";
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try {
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return getResourceProfileByQuery(xquery);
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} catch (IndexServiceException e) {
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log.warn("couldn't find service Address for index Service with protocol: " + backendId);
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return "";
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}
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}
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public boolean deleteIndexDS(final String dsId) throws IndexServiceException {
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try {
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return serviceLocator.getService(ISRegistryService.class).deleteProfile(dsId);
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} catch (ISRegistryDocumentNotFoundException e) {
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throw new IndexServiceException(e);
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} catch (ISRegistryException e) {
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throw new IndexServiceException(e);
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}
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}
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public List<String> getBackendIds(final MetadataReference mdRef) throws IndexServiceException {
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String query = "distinct-values(//RESOURCE_PROFILE[.//METADATA_FORMAT='%s' and .//METADATA_FORMAT_LAYOUT='%s' and .//METADATA_FORMAT_INTERPRETATION='%s']//BACKEND/@ID/string())";
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try {
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String instanceQuery = String.format(query, mdRef.getFormat(), mdRef.getLayout(), mdRef.getInterpretation());
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log.debug("Executing query to IS: " + instanceQuery);
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return serviceLocator.getService(ISLookUpService.class).quickSearchProfile(instanceQuery);
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} catch (ISLookUpException e) {
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throw new IndexServiceException(e);
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}
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}
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}
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