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package eu.dnetlib.data.mapreduce.hbase.propagation;
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import eu.dnetlib.data.mapreduce.util.OafRowKeyDecoder;
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import eu.dnetlib.data.proto.*;
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import org.apache.commons.collections.MapUtils;
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import org.apache.hadoop.hbase.client.Result;
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import org.apache.hadoop.hbase.io.ImmutableBytesWritable;
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import org.apache.hadoop.hbase.mapreduce.TableMapper;
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import org.apache.hadoop.hbase.util.Bytes;
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import java.io.IOException;
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import java.util.Map;
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import java.util.stream.Collectors;
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/**
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* Created by miriam on 17/08/2018.
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*/
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public class PropagationCountryInstitutionalOrganizationMapper extends TableMapper<Key, ImmutableBytesWritable> {
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private ImmutableBytesWritable valueOut;
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@Override
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protected void setup(final Context context) throws IOException, InterruptedException {
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super.setup(context);
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valueOut = new ImmutableBytesWritable();
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}
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@Override
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protected void map(final ImmutableBytesWritable keyIn, final Result value, final Context context) throws IOException, InterruptedException {
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final Map<byte[], byte[]> resultMap = value.getFamilyMap(Bytes.toBytes("result"));
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final byte[] body = resultMap.get(Bytes.toBytes("body"));
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if (body != null){
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OafProtos.Oaf oaf = OafProtos.Oaf.parseFrom(body);
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OafProtos.OafEntity entity = oaf.getEntity();
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switch (OafRowKeyDecoder.decode(keyIn.copyBytes()).getType()) {
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case datasource:
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DatasourceProtos.Datasource datasource = entity.getDatasource();
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if (datasource == null){
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throw new RuntimeException("oaf type is datasource, but datasource proto is not found in oafproto");
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}
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final Key datasource1 = Key.datasource(entity.getId());
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if(datasource.getMetadata().getDatasourcetype().getClassid().equals("pubsrepository::institutional")){
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context.getCounter("Propagation","institutional datasource").increment(1);
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valueOut.set("1".getBytes());
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context.write(datasource1,valueOut);
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}else{
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context.getCounter("Propagation"," not institutional datasource").increment(1);
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valueOut.set("0".getBytes());
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context.write(datasource1,valueOut);
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}
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break;
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case organization:
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OrganizationProtos.Organization organization = entity.getOrganization();
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if (organization == null){
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throw new RuntimeException("oaf type is organization, but organization proto is not found in oafproto");
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}
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FieldTypeProtos.Qualifier country = organization.getMetadata().getCountry();
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if (country == null){
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context.getCounter("Propagation","country elem does not exists").increment(1);
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}else{
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final Map<byte[], byte[]> ds_org = value.getFamilyMap("datasourceOrganization_provision_isProvidedBy".getBytes());
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if (MapUtils.isNotEmpty(ds_org)) {
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for(String dsId : ds_org.keySet().stream().map(String::new).collect(Collectors.toList())) {
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valueOut.set(country.getClassid().getBytes());
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context.write(Key.organization(dsId), valueOut);
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context.getCounter("Propagation","country ").increment(1);
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}
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}
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}
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break;
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case result:
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ResultProtos.Result result = entity.getResult();
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for(ResultProtos.Result.Instance instance : result.getInstanceList()) {
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//todo add check if key is not empty and field is not null
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String hostedBy = instance.getHostedby().getKey();
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valueOut.set(entity.getId().getBytes());
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context.write(Key.publication(hostedBy), valueOut);
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String collectedFrom = instance.getCollectedfrom().getKey();
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if (!hostedBy.equals(collectedFrom)) {
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context.write(Key.publication(collectedFrom),valueOut);
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}
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}
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break;
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}
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}
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// if (body != null) {
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// context.getCounter("Bulk Tagging", "not null body ").increment(1);
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// final OafProtos.Oaf oaf = tagger.enrichContext(, cc, context);
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// if (oaf == null) {
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// //context.getCounter("In mapper", " null oaf ").increment(1);
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// return;
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// }
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//
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// long tagged = oaf.getEntity().getResult().getMetadata().getContextList().stream()
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// .flatMap(c -> c.getDataInfoList().stream())
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// .map(FieldTypeProtos.DataInfo::getInferenceprovenance)
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// .filter(infProv -> "bulktagging::community".equals(infProv))
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// .count();
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// context.getCounter("Bulk Tagging", " bulktagged ").increment(tagged);
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//
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//
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// final Put put = new Put(key.copyBytes()).add(Bytes.toBytes("update"), Bytes.toBytes("update_"+System.nanoTime()), oaf.toByteArray());
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//
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// if(tagged > 0){
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// context.write(key, put);
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// context.getCounter("Bulk Tagging", " write op ").increment(1);
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// }
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//
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// }
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// else{
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// context.getCounter("Bulk Tagging", " null body ").increment(1);
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// }
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}
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}
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