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package eu.dnetlib.openaire.directindex.api;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import javax.annotation.Resource;
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import com.google.gson.Gson;
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import eu.dnetlib.common.rmi.DNetRestDocumentation;
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import eu.dnetlib.data.index.CloudIndexClientException;
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import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpService;
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import eu.dnetlib.enabling.locators.UniqueServiceLocator;
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import eu.dnetlib.functionality.index.solr.feed.StreamingInputDocumentFactory;
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import eu.dnetlib.miscutils.functional.UnaryFunction;
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import eu.dnetlib.openaire.directindex.objects.ResultEntry;
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import eu.dnetlib.openaire.directindex.objects.ResultEntryToOaf;
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import eu.dnetlib.openaire.directindex.utils.OafToIndexRecordFactory;
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import org.apache.commons.lang.exception.ExceptionUtils;
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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.apache.solr.client.solrj.impl.CloudSolrClient;
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import org.apache.solr.common.SolrInputDocument;
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import org.apache.velocity.app.VelocityEngine;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.http.HttpStatus;
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import org.springframework.stereotype.Controller;
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import org.springframework.web.bind.annotation.*;
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/**
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* Created by michele on 11/11/15.
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*/
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@Controller
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@DNetRestDocumentation
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public class OpenaireResultSubmitter {
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private static final Log log = LogFactory.getLog(OpenaireResultSubmitter.class);
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@Value(value = "${openaire.api.community}")
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private String community_api;
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@Value(value = "oaf.schema.location")
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private String oafSchemaLocation;
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@Resource
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private UniqueServiceLocator serviceLocator;
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@Resource
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private OafToIndexRecordFactory oafToIndexRecordFactory;
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@Resource
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private RecentResultsQueue recentResultsQueue;
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@Resource(name = "openaireplusApisVelocityEngine")
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private VelocityEngine velocityEngine;
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@Resource(name = "indexClientManager")
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private IndexClientManager clientManager;
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@Resource(name = "resultSubmitterService")
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private ResultSubmitterService submitterService;
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@Autowired
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private IndexDSRetriever indexDSRetriever;
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@RequestMapping(value = { "/api/admin/autocommit/active" }, method = RequestMethod.GET)
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public @ResponseBody Boolean getAutocommit() throws DirecIndexApiException {
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return submitterService.isAutocommitactive();
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}
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@RequestMapping(value = { "/api/admin/autocommit/active" }, method = RequestMethod.POST)
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public @ResponseBody Boolean setAutocommit(@RequestParam(value = "active", required = true) final Boolean active) throws DirecIndexApiException {
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submitterService.setAutocommitactive(active);
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log.info(String.format("automatic commit, active '%s', frequency '%s'", submitterService.isAutocommitactive(), submitterService.getCommitfrquency()));
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return submitterService.isAutocommitactive();
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}
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@RequestMapping(value="/api/admin/evictCache", method=RequestMethod.GET)
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@ResponseStatus(value = HttpStatus.OK)
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public void evictCache(){
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indexDSRetriever.evictCache();
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}
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@Deprecated
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@RequestMapping(value = { "/api/publications/feedJson", "/api/results/feedJson" }, method = RequestMethod.POST)
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public @ResponseBody String feedObjectJson(@RequestParam(value = "json", required = true) final String json,
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@RequestParam(value = "commit", required = false, defaultValue = "true") final boolean commit) throws DirecIndexApiException {
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log.debug(json);
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final ResultEntry pub = new Gson().fromJson(json, ResultEntry.class);
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return feedObject(pub, commit);
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}
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@RequestMapping(value = { "/api/results/feedObject" }, method = RequestMethod.POST)
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public @ResponseBody String feedResult(@RequestBody final ResultEntry pub,
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@RequestParam(value = "commit", required = false, defaultValue = "true") final boolean commit)
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throws DirecIndexApiException {
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return feed(pub,commit);
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}
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@Deprecated
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@RequestMapping(value = { "/api/publications/feedObject" }, method = RequestMethod.POST)
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public @ResponseBody String feedObject(@RequestBody final ResultEntry pub,
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@RequestParam(value = "commit", required = false, defaultValue = "true") final boolean commit)
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throws DirecIndexApiException {
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return feed(pub, commit);
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}
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@RequestMapping(value = "/api/result/{openaireId}", method = RequestMethod.DELETE)
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public @ResponseBody boolean deleteResultWithOpenaireId(
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@PathVariable(value = "openaireId") final String openaireId,
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@RequestParam(value = "commit", required = false, defaultValue = "true") final boolean commit) throws DirecIndexApiException {
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return deleteResult(openaireId);
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}
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@RequestMapping(value = "/api/results", method = RequestMethod.DELETE)
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public @ResponseBody boolean deleteResultWithOriginalId(
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@RequestParam(value = "originalId", required = true) final String originalId,
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@RequestParam(value = "collectedFromId", required = true) final String collectedFromId,
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@RequestParam(value = "commit", required = false, defaultValue = "true") final boolean commit) throws Exception {
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final String openaireId = ResultEntryToOaf.calculateOpenaireId(originalId, collectedFromId, serviceLocator.getService(ISLookUpService.class));
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return deleteResult(openaireId);
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}
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@Deprecated
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@RequestMapping(value = { "/api/publications/deleteObject", "/api/results/delete" }, method = RequestMethod.POST)
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public @ResponseBody boolean deleteResultPost(
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@RequestParam(value = "originalId", required = true) final String originalId,
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@RequestParam(value = "collectedFromId", required = true) final String collectedFromId,
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@RequestParam(value = "commit", required = false, defaultValue = "true") final boolean commit) throws Exception {
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final String openaireId = ResultEntryToOaf.calculateOpenaireId(originalId, collectedFromId, serviceLocator.getService(ISLookUpService.class));
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return deleteResult(openaireId);
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}
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@Deprecated
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private String feed(final ResultEntry pub, final boolean commit) throws DirecIndexApiException {
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return feed(pub);
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}
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private String feed(final ResultEntry pub) throws DirecIndexApiException {
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log.debug(pub);
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try {
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ResultEntryToOaf toOaf = new ResultEntryToOaf(community_api);
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final IndexDsInfo info = indexDSRetriever.calculateCurrentIndexDsInfo();
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final String oafRecord = toOaf.asOafRecord(pub, velocityEngine, serviceLocator.getService(ISLookUpService.class), oafSchemaLocation);
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final SolrInputDocument solrDocument = prepareSolrDocument(oafRecord, info.getIndexDsId(), oafToIndexRecordFactory.newTransformer(info.getFormat()));
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clientManager.getClient(info).add(solrDocument);
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recentResultsQueue.add(oafRecord);
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return pub.getOpenaireId();
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} catch (final Throwable e) {
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log.error("Error saving record", e);
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log.debug(pub.toString());
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throw new DirecIndexApiException("Error adding publication: " + e.getMessage(), e);
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}
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}
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private SolrInputDocument prepareSolrDocument(String record, String indexDsId, UnaryFunction<String, String> toIndexRecord) throws CloudIndexClientException {
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try {
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StreamingInputDocumentFactory documentFactory = new StreamingInputDocumentFactory();
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String version = (new SimpleDateFormat("yyyy-MM-dd'T'hh:mm:ss'Z'")).format(new Date());
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String indexRecord = toIndexRecord.evaluate(record);
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if (log.isDebugEnabled()) {
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log.debug("***************************************\nSubmitting index record:\n" + indexRecord + "\n***************************************\n");
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}
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return documentFactory.parseDocument(version, indexRecord, indexDsId, "dnetResult");
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} catch (Throwable e) {
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throw new CloudIndexClientException("Error creating solr document", e);
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}
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}
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private boolean deleteResult(final String openaireId) throws DirecIndexApiException {
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try {
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IndexDsInfo info = indexDSRetriever.calculateCurrentIndexDsInfo();
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String query = String.format("objidentifier:\"%s\" OR resultdupid:\"%s\"", openaireId, openaireId);
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final CloudSolrClient client = clientManager.getClient(info);
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client.deleteByQuery(info.getColl(), query);
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log.info("Deleted result with id: " + openaireId + " from: " + info.getIndexBaseUrl());
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recentResultsQueue.remove(openaireId);
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return true;
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} catch (Throwable e) {
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throw new DirecIndexApiException("Error deleting publication: " + e.getMessage(), e);
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}
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}
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@ExceptionHandler(Exception.class)
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@ResponseStatus(value = HttpStatus.INTERNAL_SERVER_ERROR)
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public @ResponseBody ErrorMessage handleException(final Exception e) {
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log.error("Error in direct index API", e);
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return new ErrorMessage(e);
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}
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public class ErrorMessage {
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private final String message;
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private final String stacktrace;
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public ErrorMessage(final Exception e) {
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this(e.getMessage(), ExceptionUtils.getStackTrace(e));
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}
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public ErrorMessage(final String message, final String stacktrace) {
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this.message = message;
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this.stacktrace = stacktrace;
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}
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public String getMessage() {
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return this.message;
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}
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public String getStacktrace() {
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return this.stacktrace;
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}
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}
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}
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