Revision 6457
Added by ben leinfelder over 12 years ago
| src/edu/ucsb/nceas/metacat/dataone/hazelcast/CNReplicationTask.java | ||
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import org.dataone.client.D1Client; |
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import org.dataone.configuration.Settings; |
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import org.dataone.service.exceptions.NotFound; |
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import org.dataone.service.types.v1.Identifier; |
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import org.dataone.service.types.v1.Node; |
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import org.dataone.service.types.v1.Permission; |
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import com.hazelcast.core.Hazelcast; |
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import com.hazelcast.core.IMap; |
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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.dataone.CNodeService; |
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/** |
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* A single CN replication task to be executed by the CN Replication Service. This |
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* applies to replication of system metadata, science metadata, and resource maps |
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// get the systemMetadata |
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SystemMetadata sm = sysMetaMap.get(pid); |
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// TODO: need any info from the system metadata? |
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// only system metadata - no data replicated |
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boolean isData = formatType.equals("??");
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if (!isData) {
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// TODO: get the science metadata/ORE from somewhere |
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InputStream sciMetaORE = null; |
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try {
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sciMetaORE = CNodeService.getInstance().get(null, pid); |
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} catch (NotFound nf) {
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try {
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sciMetaORE = D1Client.getCN().get(null, pid); |
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// save it locally |
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CNodeService.getInstance().create(null, pid, sciMetaORE, sm); |
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} catch (Exception e) {
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// TODO Auto-generated catch block |
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e.printStackTrace(); |
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} |
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} catch (Exception e) {
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e.printStackTrace(); |
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} |
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} else {
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// just system metadata |
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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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return null; |
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} |
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} |
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// get the object from source |
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InputStream sciMetaORE = null; |
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try {
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// get from the MN |
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sciMetaORE = D1Client.getMN(originatingNode.getIdentifier()).get(null, pid); |
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// save it to target |
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D1Client.getMN(targetNode.getIdentifier()).create(null, pid, sciMetaORE, sm); |
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} catch (Exception e) {
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// report up the stack, even though we can't declare it |
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throw new RuntimeException(e.getMessage(), e); |
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} |
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return pid; |
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} |
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Also available in: Unified diff
rework this to be MN->MN replication. Should be fleshed out more.