Revision 6570
Added by Chris Jones about 13 years ago
| src/edu/ucsb/nceas/metacat/dataone/CNodeService.java | ||
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| 56 | 56 |
import org.dataone.service.types.v1.Node; |
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import org.dataone.service.types.v1.NodeList; |
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import org.dataone.service.types.v1.NodeReference; |
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import org.dataone.service.types.v1.NodeType; |
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import org.dataone.service.types.v1.ObjectFormat; |
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import org.dataone.service.types.v1.ObjectFormatIdentifier; |
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import org.dataone.service.types.v1.ObjectFormatList; |
| ... | ... | |
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} |
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|
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/** |
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* Adds a new object to the Node, where the object is either a data |
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* object or a science metadata object. This method is called by clients |
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* to create new data objects on Member Nodes or internally for Coordinating |
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* Nodes |
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* Adds a new object to the Node, where the object is a science metadata object. |
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* |
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* @param session - the Session object containing the credentials for the Subject |
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* @param pid - The object identifier to be created |
| ... | ... | |
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throws InvalidToken, ServiceFailure, NotAuthorized, IdentifierNotUnique, |
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UnsupportedType, InsufficientResources, InvalidSystemMetadata, |
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NotImplemented, InvalidRequest {
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try {
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// are we allowed? |
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boolean isAllowed = false; |
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CNode cn = D1Client.getCN(); |
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List<Node> nodes = (List<Node>) cn.listNodes(); |
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for (Node node : nodes) {
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if ( node.getType().equals(NodeType.CN) ) {
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List<Subject> subjects = node.getSubjectList(); |
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for (Subject subject : subjects) {
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if (subject.getValue().equals(session.getSubject().getValue())) {
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isAllowed = true; |
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break; |
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} |
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} |
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} |
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} |
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|
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// proceed if we're called by a CN |
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if ( isAllowed ) {
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// create the coordinating node version of the document |
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HazelcastService.getInstance().getSystemMetadataMap().lock(pid); |
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sysmeta.setSerialVersion(BigInteger.ONE); |
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sysmeta.setDateSysMetadataModified(Calendar.getInstance().getTime()); |
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pid = super.create(session, pid, object, sysmeta); |
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HazelcastService.getInstance().getSystemMetadataMap().unlock(pid); |
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} else {
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String msg = "The subject listed as " + session.getSubject().getValue() + |
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" isn't allowed to call create() on a Coordinating Node."; |
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logMetacat.info(msg); |
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throw new NotAuthorized("1100", msg);
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} |
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} catch (Exception e) {
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// Convert Hazelcast runtime exceptions to service failures |
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String msg = "There was a problem creating the object identified by " + |
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pid.getValue() + ". There error message was: " + e.getMessage(); |
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} finally {
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HazelcastService.getInstance().getSystemMetadataMap().unlock(pid); |
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} |
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return pid; |
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} |
Also available in: Unified diff
In CNodeService, separate the CN.create() functionality from the MN.create() functionality while still using the superclass to call create(). Deal with Hazelcast locks and setting serial versions only in the CN implementation.