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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.io.common;
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import java.util.HashMap;
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import java.util.Map;
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import org.apache.log4j.Logger;
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import eu.etaxonomy.cdm.api.service.IReferenceService;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.model.permission.User;
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import eu.etaxonomy.cdm.model.reference.Reference;
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/**
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 * @author a.mueller
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 * @since 11.05.2009
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 */
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public abstract class DbImportStateBase<CONFIG extends DbImportConfiguratorBase, STATE extends DbImportStateBase>
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        extends ImportStateBase<CONFIG, CdmImportBase>
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        implements IPartitionedState {
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    @SuppressWarnings("unused")
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	private static final Logger logger = Logger.getLogger(DbImportStateBase.class);
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	public static final String CURRENT_OBJECT_NAMESPACE = "CurrentObjectNamespace";
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	public static final String CURRENT_OBJECT_ID = "CurrentObjectId";
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	private final Map<String, User> usernameMap = new HashMap<>();
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	private Reference partitionSourceReference;
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	private final RelatedObjectsHelper relatedObjectsHelper = new RelatedObjectsHelper();
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	//holds the classifications needed for this partition, the key is a value that differentiate classifications
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	//like the taxons reference (secundum)
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	protected DbImportStateBase(CONFIG config) {
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		super(config);
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	}
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	@Override
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	public void addRelatedObject(Object namespace, String id, CdmBase relatedObject) {
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		this.relatedObjectsHelper.addRelatedObjet(namespace, id, relatedObject);
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	}
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	@Override
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	public CdmBase getRelatedObject(Object namespace, String id) {
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		return relatedObjectsHelper.getRelatedObject(namespace, id);
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	}
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	public<T extends CdmBase> T getRelatedObject(Object namespace, String id, Class<T> clazz) {
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		CdmBase cdmBase = relatedObjectsHelper.getRelatedObject(namespace, id);
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		T result = CdmBase.deproxy(cdmBase, clazz);
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		return result;
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	}
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	@Override
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    public void setRelatedObjects(Map<Object, Map<String, ? extends CdmBase>> relatedObjects) {
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		relatedObjectsHelper.setRelatedObjects(relatedObjects);
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	}
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	/**
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	 * Stores the source reference for the time of a transaction. Needs to be
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	 * deleted manually after transaction finishes to avoid memory leaks.
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	 * @return
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	 */
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	@Override
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    public Reference getTransactionalSourceReference() {
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		return partitionSourceReference;
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	}
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	@Override
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    public void resetTransactionalSourceReference(){
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		this.partitionSourceReference = null;
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	}
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	@Override
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    public void makeTransactionalSourceReference(IReferenceService service){
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		//TODO handle undefined sourceRefUuid
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		this.partitionSourceReference = service.find(this.getConfig().getSourceRefUuid());
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		if (this.partitionSourceReference == null){
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			this.partitionSourceReference = this.getConfig().getSourceReference();
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			service.saveOrUpdate(this.partitionSourceReference);
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		}
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	}
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	public User getUser(String username){
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		return usernameMap.get(username);
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	}
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	public void putUser(String username, User user){
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		usernameMap.put(username, user);
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	}
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}