LinkDatasetCommand.java

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package edu.harvard.iq.dataverse.engine.command.impl;

import edu.harvard.iq.dataverse.Dataset;
import edu.harvard.iq.dataverse.DatasetLinkingDataverse;
import edu.harvard.iq.dataverse.Dataverse;
import edu.harvard.iq.dataverse.authorization.Permission;
import edu.harvard.iq.dataverse.engine.command.AbstractCommand;
import edu.harvard.iq.dataverse.engine.command.CommandContext;
import edu.harvard.iq.dataverse.engine.command.DataverseRequest;
import edu.harvard.iq.dataverse.engine.command.RequiredPermissions;
import edu.harvard.iq.dataverse.engine.command.exception.CommandException;
import java.sql.Timestamp;
import java.util.Date;

/**
 *
 * @author skraffmiller
 */
@RequiredPermissions(Permission.PublishDataverse)
public class LinkDatasetCommand extends AbstractCommand<DatasetLinkingDataverse> {
    
    private final Dataset linkedDataset;
    private final Dataverse linkingDataverse;
    
    public LinkDatasetCommand(DataverseRequest aRequest, Dataverse dataverse, Dataset linkedDataset) {
        super(aRequest, dataverse);
        this.linkedDataset = linkedDataset;
        this.linkingDataverse = dataverse;
    }

    @Override
    public DatasetLinkingDataverse execute(CommandContext ctxt) throws CommandException {
        DatasetLinkingDataverse datasetLinkingDataverse = new DatasetLinkingDataverse();
        datasetLinkingDataverse.setDataset(linkedDataset);
        datasetLinkingDataverse.setLinkingDataverse(linkingDataverse);
        datasetLinkingDataverse.setLinkCreateTime(new Timestamp(new Date().getTime()));
        ctxt.dsLinking().save(datasetLinkingDataverse);
        ctxt.em().flush();
        boolean doNormalSolrDocCleanUp = true;
        ctxt.index().indexDataset(linkedDataset, doNormalSolrDocCleanUp);
        return datasetLinkingDataverse;
    }  
}