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package eu.dnetlib.data.actionmanager.is;
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import java.io.StringReader;
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import java.util.List;
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import java.util.NoSuchElementException;
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import java.util.Set;
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import javax.annotation.Resource;
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import javax.xml.ws.Endpoint;
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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 com.google.common.collect.Sets;
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import eu.dnetlib.enabling.locators.UniqueServiceLocator;
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import eu.dnetlib.miscutils.datetime.DateUtils;
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import eu.dnetlib.rmi.data.hadoop.actionmanager.ActionManagerException;
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import eu.dnetlib.rmi.data.hadoop.actionmanager.ActionManagerSet;
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import eu.dnetlib.rmi.data.hadoop.actionmanager.ActionManagerSet.ImpactTypes;
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import eu.dnetlib.rmi.data.hadoop.actionmanager.RawSet;
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import eu.dnetlib.rmi.enabling.ISLookUpException;
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import eu.dnetlib.rmi.enabling.ISLookUpService;
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import eu.dnetlib.rmi.enabling.ISRegistryException;
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import eu.dnetlib.rmi.enabling.ISRegistryService;
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import org.antlr.stringtemplate.StringTemplate;
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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 org.dom4j.Attribute;
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import org.dom4j.Document;
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import org.dom4j.Element;
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import org.dom4j.io.SAXReader;
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import org.springframework.beans.factory.annotation.Required;
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public class ISClient {
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private static final Log log = LogFactory.getLog(ISClient.class); // NOPMD by marko on 11/24/08 5:02 PM
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/**
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* endpoint builder.
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*/
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private static final String ENDPOINT_TEMPLATE = "http://%s:%s/%s/services/actionManager";
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@Resource
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private UniqueServiceLocator serviceLocator;
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/**
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* Template for ActionManagerSet profiles
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*/
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private StringTemplate actionManagerSetDsTemplate;
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/**
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* service endpoint.
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*/
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private Endpoint endpoint;
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private String hostname;
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private String port;
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private String context;
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public String registerSetProfile(final ActionManagerSet set) throws ActionManagerException {
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if (existsSet(set.getId())) { throw new ActionManagerException("Set " + set.getId() + " already registered"); }
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try {
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StringTemplate template = new StringTemplate(actionManagerSetDsTemplate.getTemplate());
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template.setAttribute("serviceUri", String.format(ENDPOINT_TEMPLATE, hostname, port, context));
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template.setAttribute("set", set);
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template.setAttribute("latest", RawSet.newInstance());
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return serviceLocator.getService(ISRegistryService.class).registerProfile(template.toString());
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} catch (ISRegistryException e) {
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throw new ActionManagerException("Error registering set " + set, e);
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}
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}
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public List<ActionManagerSet> listSets() throws ActionManagerException {
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final String q = "for $x in collection('/db/DRIVER/ActionManagerSetDSResources/ActionManagerSetDSResourceType') return $x";
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return getActionManagerSets(q);
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}
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public List<ActionManagerSet> listValidSets() throws ActionManagerException {
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final String q = "for $x in collection('/db/DRIVER/ActionManagerSetDSResources/ActionManagerSetDSResourceType') \n"
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+ "where string-length($x//RAW_SETS/LATEST/@id/string()) > 0\n"
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+ "return $x";
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return getActionManagerSets(q);
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}
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private List<ActionManagerSet> getActionManagerSets(final String q) throws ActionManagerException {
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final List<ActionManagerSet> list = Lists.newArrayList();
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try {
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final String basePath = getBasePathHDFS();
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for (String s : serviceLocator.getService(ISLookUpService.class).quickSearchProfile(q)) {
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list.add(getActionManagerSet(basePath, s));
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}
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} catch (ISLookUpException e) {
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log.error("Error accessing Sets, using query: " + q);
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}
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return list;
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}
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public ActionManagerSet getSet(final String setId) throws ActionManagerException, ISLookUpException {
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final String q = "for $x in collection('/db/DRIVER/ActionManagerSetDSResources/ActionManagerSetDSResourceType') "
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+ "where $x//SET/@id = '" + setId + "' return $x";
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try {
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final String basePath = getBasePathHDFS();
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final String setProfile = serviceLocator.getService(ISLookUpService.class).getResourceProfileByQuery(q);
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return getActionManagerSet(basePath, setProfile);
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} catch (ISLookUpException e) {
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throw new ActionManagerException("Error accessing Sets, using query: " + q);
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}
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}
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private ActionManagerSet getActionManagerSet(final String basePath, final String profile) throws ActionManagerException {
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final SAXReader reader = new SAXReader();
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final ActionManagerSet set = new ActionManagerSet();
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try {
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final Document doc = reader.read(new StringReader(profile));
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set.setId(doc.valueOf("//SET/@id").trim());
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set.setName(doc.valueOf("//SET").trim());
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set.setImpact(ImpactTypes.valueOf(doc.valueOf("//IMPACT").trim()));
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set.setLatest(doc.valueOf("//RAW_SETS/LATEST/@id"), doc.valueOf("//RAW_SETS/LATEST/@creationDate"), doc.valueOf("//RAW_SETS/LATEST/@lastUpdate"));
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set.setDirectory(doc.valueOf("//SET/@directory"));
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final List expiredNodes = doc.selectNodes("//RAW_SETS/EXPIRED");
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if (expiredNodes != null) {
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for (int i = 0; i < expiredNodes.size(); i++) {
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Element ex = (Element) expiredNodes.get(i);
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set.addExpired(ex.attributeValue("id"), ex.attributeValue("creationDate"), ex.attributeValue("lastUpdate"));
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}
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}
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final StringBuilder sb = new StringBuilder();
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sb.append(basePath);
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sb.append("/");
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sb.append(doc.valueOf("//SET/@directory"));
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sb.append("/");
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sb.append(doc.valueOf("//RAW_SETS/LATEST/@id"));
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set.setPathToLatest(sb.toString());
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return set;
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} catch (Exception e) {
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throw new ActionManagerException("Error creating set from profile: " + profile, e);
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}
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}
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public boolean deleteSetProfile(final String setId) throws ActionManagerException {
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final String q = "for $x in collection('/db/DRIVER/ActionManagerSetDSResources/ActionManagerSetDSResourceType') where $x//SET/@id = '" + setId
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+ "' return $x//RESOURCE_IDENTIFIER/@value/string()";
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try {
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final String profId = serviceLocator.getService(ISLookUpService.class).getResourceProfileByQuery(q);
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return serviceLocator.getService(ISRegistryService.class).deleteProfile(profId);
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} catch (Exception e) {
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log.error("Error deleting set " + setId, e);
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throw new ActionManagerException("Error deleting set " + setId, e);
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}
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}
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public boolean existsSet(final String id) throws ActionManagerException {
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final String q = "for $x in collection('/db/DRIVER/ActionManagerSetDSResources/ActionManagerSetDSResourceType') where $x//SET/@id = '" + id
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+ "' return $x";
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try {
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return !serviceLocator.getService(ISLookUpService.class).quickSearchProfile(q).isEmpty();
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} catch (ISLookUpException e) {
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log.error("Error accessing Sets, using query: " + q, e);
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throw new ActionManagerException("Error running xquery: " + q, e);
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}
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}
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public boolean existsRawSet(final String id) throws ActionManagerException {
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final String q = "for $x in collection('/db/DRIVER/ActionManagerSetDSResources/ActionManagerSetDSResourceType') where $x//RAW_SETS/*/@id = '" + id
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+ "' return $x";
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try {
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return !serviceLocator.getService(ISLookUpService.class).quickSearchProfile(q).isEmpty();
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} catch (ISLookUpException e) {
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log.error("Error accessing RawSets, using query: " + q, e);
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throw new ActionManagerException("Error running xquery: " + q, e);
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}
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}
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public Set<String> listValidRawSets() throws ActionManagerException {
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final String q = "for $x in collection('/db/DRIVER/ActionManagerSetDSResources/ActionManagerSetDSResourceType') return $x//RAW_SETS/LATEST/@id/string()";
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try {
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final List<String> list = serviceLocator.getService(ISLookUpService.class).quickSearchProfile(q);
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return Sets.newHashSet(list);
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} catch (Exception e) {
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log.error("Error running xquery: " + q, e);
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throw new ActionManagerException("Error running xquery: " + q, e);
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}
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}
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public RawSet geLatestRawSet(final String set) throws ActionManagerException {
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final String q = "for $x in collection('/db/DRIVER/ActionManagerSetDSResources/ActionManagerSetDSResourceType') where $x//SET/@id = '" + set
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+ "' return concat(' ' , $x//RAW_SETS/LATEST/@id, ' @@@ ', $x//RAW_SETS/LATEST/@creationDate, ' @@@ ', $x//RAW_SETS/LATEST/@lastUpdate, ' ')";
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try {
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String[] arr = serviceLocator.getService(ISLookUpService.class).getResourceProfileByQuery(q).split("@@@");
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return RawSet.newInstance(arr[0].trim(), arr[1].trim(), arr[2].trim());
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} catch (ISLookUpException e) {
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log.error("Error accessing Sets, using query: " + q, e);
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throw new ActionManagerException("Error running xquery: " + q, e);
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}
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}
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public String getGarbageTimeMargin() throws ActionManagerException {
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return queryServiceProperty("garbageTimeMargin");
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}
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public String getBasePathHDFS() throws ActionManagerException {
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return queryServiceProperty("basePath");
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}
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public String getGarbageRetainThreshold() throws ActionManagerException {
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return queryServiceProperty("garbageRetainThreshold");
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}
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private String queryServiceProperty(final String propertyName) throws ActionManagerException {
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final String q = "for $x in /RESOURCE_PROFILE[.//RESOURCE_TYPE/@value='ActionManagerServiceResourceType'] return $x//SERVICE_PROPERTIES/PROPERTY[./@ key='"
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+ propertyName + "']/@value/string()";
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log.debug("quering for service property: " + q);
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try {
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final List<String> value = serviceLocator.getService(ISLookUpService.class).quickSearchProfile(q);
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return Iterables.getOnlyElement(value);
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} catch (ISLookUpException e) {
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String msg = "Error accessing service profile, using query: " + q;
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log.error(msg, e);
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throw new ActionManagerException(msg, e);
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} catch (NoSuchElementException e) {
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String msg = "missing service property: " + propertyName;
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log.error(msg, e);
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throw new ActionManagerException(msg, e);
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} catch (IllegalArgumentException e) {
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String msg = "found more than one service property: " + propertyName;
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log.error(msg, e);
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throw new ActionManagerException(msg, e);
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}
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}
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public void addLatestRawSet(final String set, final RawSet rawSet) throws ActionManagerException {
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final String q = "for $x in collection('/db/DRIVER/ActionManagerSetDSResources/ActionManagerSetDSResourceType') where $x//SET/@id = '" + set
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+ "' return $x";
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try {
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final String profile = serviceLocator.getService(ISLookUpService.class).getResourceProfileByQuery(q);
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final Document doc = new SAXReader().read(new StringReader(profile));
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final String profId = doc.valueOf("//RESOURCE_IDENTIFIER/@value");
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final Element latest = (Element) doc.selectSingleNode("//RAW_SETS/LATEST");
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final Element expired = ((Element) doc.selectSingleNode("//RAW_SETS")).addElement("EXPIRED");
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241
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242
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for (Object o : latest.attributes()) {
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final Attribute a = (Attribute) o;
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expired.addAttribute(a.getName(), a.getValue());
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}
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latest.addAttribute("id", rawSet.getId());
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latest.addAttribute("creationDate", rawSet.getCreationDate());
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latest.addAttribute("lastUpdate", rawSet.getLastUpdate());
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250
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serviceLocator.getService(ISRegistryService.class).updateProfile(profId, doc.asXML(), "ActionManagerSetDSResourceType");
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} catch (Exception e) {
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log.error("Error updating profile of set: " + set);
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throw new ActionManagerException("Error running xquery: " + q, e);
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255
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}
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256
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}
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257
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258
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public void updateLastUpdate(final String rawSet) throws ActionManagerException {
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final String q = "for $x in collection('/db/DRIVER/ActionManagerSetDSResources/ActionManagerSetDSResourceType')//RAW_SETS/*[@id='" + rawSet
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260
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+ "']/@lastUpdate return update replace $x with '" + DateUtils.now_ISO8601() + "'";
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261
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262
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try {
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263
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serviceLocator.getService(ISRegistryService.class).executeXUpdate(q);
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264
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} catch (Exception e) {
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log.error("Error updating lastUpdate using query: " + q, e);
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throw new ActionManagerException("Error updating lastUpdate using query: " + q, e);
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}
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268
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}
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269
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270
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public StringTemplate getActionManagerSetDsTemplate() {
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return actionManagerSetDsTemplate;
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272
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}
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273
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274
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@Required
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275
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public void setActionManagerSetDsTemplate(final StringTemplate actionManagerSetDsTemplate) {
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this.actionManagerSetDsTemplate = actionManagerSetDsTemplate;
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}
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278
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279
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public Endpoint getEndpoint() {
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return endpoint;
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281
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}
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282
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283
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@Required
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284
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public void setEndpoint(final Endpoint endpoint) {
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285
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this.endpoint = endpoint;
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286
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}
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287
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288
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public String getHostname() {
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return hostname;
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290
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}
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291
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292
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@Required
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293
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public void setHostname(final String hostname) {
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294
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this.hostname = hostname;
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295
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}
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296
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297
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public String getPort() {
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298
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return port;
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299
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}
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300
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301
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@Required
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302
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public void setPort(final String port) {
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303
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this.port = port;
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304
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}
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305
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306
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public String getContext() {
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307
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return context;
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308
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}
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309
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310
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@Required
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311
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public void setContext(final String context) {
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312
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this.context = context;
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313
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}
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314
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}
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