Revision 6395
Added by ben leinfelder over 13 years ago
src/edu/ucsb/nceas/metacat/dataone/hazelcast/SystemMetadataMap.java | ||
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package edu.ucsb.nceas.metacat.dataone.hazelcast; |
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import java.sql.SQLException; |
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import java.util.Collection; |
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import java.util.Map; |
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import java.util.Set; |
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import java.util.TreeMap; |
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import java.util.TreeSet; |
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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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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.shared.ServiceException; |
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import edu.ucsb.nceas.utilities.PropertyNotFoundException; |
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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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public class SystemMetadataMap implements MapStore<Identifier, SystemMetadata>, MapLoader<Identifier, SystemMetadata> { |
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@Override |
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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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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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public void store(Identifier pid, SystemMetadata sm) { |
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try { |
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if (!IdentifierManager.getInstance().identifierExists(pid.getValue())) { |
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IdentifierManager.getInstance().createSystemMetadata(sm); |
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} else { |
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IdentifierManager.getInstance().updateSystemMetadata(sm); |
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} |
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} catch (McdbDocNotFoundException e) { |
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// TODO Auto-generated catch block |
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e.printStackTrace(); |
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} |
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} |
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@Override |
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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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@Override |
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public SystemMetadata load(Identifier pid) { |
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SystemMetadata sm = null; |
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try { |
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sm = IdentifierManager.getInstance().getSystemMetadata(pid.getValue()); |
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} catch (McdbDocNotFoundException e) { |
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// TODO Auto-generated catch block |
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e.printStackTrace(); |
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} |
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return sm; |
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} |
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@Override |
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public Map<Identifier, SystemMetadata> loadAll(Collection<Identifier> keys) { |
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Map<Identifier, SystemMetadata> map = new TreeMap<Identifier, SystemMetadata>(); |
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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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public Set<Identifier> loadAllKeys() { |
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Set<Identifier> pids = new TreeSet<Identifier>(); |
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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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pids.add(pid); |
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} |
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} catch (PropertyNotFoundException e) { |
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// TODO Auto-generated catch block |
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e.printStackTrace(); |
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} catch (ServiceException e) { |
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// TODO Auto-generated catch block |
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e.printStackTrace(); |
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} catch (SQLException e) { |
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// TODO Auto-generated catch block |
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e.printStackTrace(); |
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} |
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return pids; |
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} |
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} |
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Also available in: Unified diff
added HazelCast MapStore and MapLoader implementation for SystemMetadata