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6395
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leinfelder
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package edu.ucsb.nceas.metacat.dataone.hazelcast;
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6893
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cjones
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import java.sql.SQLException;
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6395
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leinfelder
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import java.util.Collection;
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6426
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leinfelder
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import java.util.HashMap;
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6395
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leinfelder
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import java.util.Map;
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import java.util.Set;
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6868
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cjones
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import org.apache.log4j.Logger;
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cjones
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import org.dataone.service.exceptions.InvalidSystemMetadata;
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6395
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leinfelder
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import org.dataone.service.types.v1.Identifier;
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import org.dataone.service.types.v1.ObjectInfo;
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import org.dataone.service.types.v1.ObjectList;
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import org.dataone.service.types.v1.SystemMetadata;
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cjones
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import com.hazelcast.core.Hazelcast;
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leinfelder
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import com.hazelcast.core.MapLoader;
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import com.hazelcast.core.MapStore;
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import edu.ucsb.nceas.metacat.IdentifierManager;
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import edu.ucsb.nceas.metacat.McdbDocNotFoundException;
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import edu.ucsb.nceas.metacat.properties.PropertyService;
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import edu.ucsb.nceas.utilities.PropertyNotFoundException;
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6395
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leinfelder
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/**
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* Storage implementation for Hazelcast System Metadata
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* @author leinfelder
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*
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*/
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cjones
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public class SystemMetadataMap
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implements MapStore<Identifier, SystemMetadata>, MapLoader<Identifier, SystemMetadata> {
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leinfelder
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cjones
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private Logger logMetacat = null;
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@Override
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leinfelder
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public void delete(Identifier arg0) {
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// we do not delete system metadata
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}
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@Override
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leinfelder
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public void deleteAll(Collection<Identifier> arg0) {
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// we do not delete system metadata
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}
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@Override
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leinfelder
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public void store(Identifier pid, SystemMetadata sm) {
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try {
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leinfelder
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//System.out.println("Storing System Metadata to store: " + pid.getValue());
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6451
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leinfelder
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if (!IdentifierManager.getInstance().systemMetadataExists(pid.getValue())) {
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leinfelder
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IdentifierManager.getInstance().createSystemMetadata(sm);
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leinfelder
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} else {
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IdentifierManager.getInstance().updateSystemMetadata(sm);
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cjones
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leinfelder
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}
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cjones
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leinfelder
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} catch (McdbDocNotFoundException e) {
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throw new RuntimeException(e.getMessage(), e);
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} catch (SQLException e) {
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throw new RuntimeException(e.getMessage(), e);
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6904
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cjones
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} catch (InvalidSystemMetadata e) {
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throw new RuntimeException(e.getMessage(), e);
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}
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leinfelder
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}
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jones
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@Override
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leinfelder
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public void storeAll(Map<Identifier, SystemMetadata> map) {
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for (Identifier key: map.keySet()) {
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store(key, map.get(key));
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}
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}
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jones
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@Override
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leinfelder
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public SystemMetadata load(Identifier pid) {
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SystemMetadata sm = null;
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cjones
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logMetacat = Logger.getLogger(SystemMetadataMap.class);
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try {
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logMetacat.debug("loading from store: " + pid.getValue());
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leinfelder
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sm = IdentifierManager.getInstance().getSystemMetadata(pid.getValue());
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} catch (McdbDocNotFoundException e) {
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leinfelder
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//throw new RuntimeException(e.getMessage(), e);
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// not found => null
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return null;
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}
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catch (Exception e) {
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6456
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leinfelder
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throw new RuntimeException(e.getMessage(), e);
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leinfelder
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}
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return sm;
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}
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@Override
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leinfelder
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public Map<Identifier, SystemMetadata> loadAll(Collection<Identifier> keys) {
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leinfelder
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Map<Identifier, SystemMetadata> map = new HashMap<Identifier, SystemMetadata>();
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leinfelder
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for (Identifier key: keys) {
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SystemMetadata value = load(key);
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map.put(key, value);
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}
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return map;
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}
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@Override
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leinfelder
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public Set<Identifier> loadAllKeys() {
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cjones
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//Set<Identifier> pids = new HashSet<Identifier>();
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String identifiersSet;
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try {
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identifiersSet =
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PropertyService.getProperty("dataone.hazelcast.storageCluster.identifiersSet");
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} catch (PropertyNotFoundException e1) {
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identifiersSet = "hzIdentifiers";
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}
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Set<Identifier> pids = Hazelcast.getSet(identifiersSet);
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leinfelder
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try {
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ObjectList ol = IdentifierManager.getInstance().querySystemMetadata(
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null, //startTime,
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null, //endTime,
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null, //objectFormatId,
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false, //replicaStatus,
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0, //start,
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-1 //count
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);
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for (ObjectInfo o: ol.getObjectInfoList()) {
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Identifier pid = o.getIdentifier();
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6888
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cjones
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if ( !pids.contains(pid) ) {
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pids.add(pid);
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}
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134 |
6395
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leinfelder
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}
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135 |
6888
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cjones
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136 |
6456
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leinfelder
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} catch (Exception e) {
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throw new RuntimeException(e.getMessage(), e);
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6888
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cjones
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6395
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leinfelder
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}
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return pids;
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}
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}
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