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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.taxeditor.editor.view.concept.operation;
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import java.util.Set;
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import org.eclipse.core.commands.ExecutionException;
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import org.eclipse.core.commands.operations.IUndoContext;
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import org.eclipse.core.runtime.IAdaptable;
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import org.eclipse.core.runtime.IProgressMonitor;
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import org.eclipse.core.runtime.IStatus;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.cdm.model.taxon.TaxonRelationship;
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import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
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import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
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/**
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 * Deletes given relations between two taxa.
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 *
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 * @author p.ciardelli
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 * @author n.hoffmann
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 * @created 29.01.2009
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 * @version 1.0
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 */
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public class DeleteConceptRelationOperation extends AbstractPostOperation {
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	private Set<TaxonRelationship> taxonRelationships;	
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	/**
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	 * @param name
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	 * @param undoContext
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	 * @param relation
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	 * @param postOperationEnabled
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	 */
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	public DeleteConceptRelationOperation(String label,
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			IUndoContext undoContext, Taxon taxon, Set<TaxonRelationship> relations,
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			IPostOperationEnabled postOperationEnabled) {
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		super(label, undoContext, taxon, postOperationEnabled);
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		taxonRelationships = relations;
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	}
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	/* (non-Javadoc)
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	 * @see org.eclipse.core.commands.operations.AbstractOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
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	 */
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	/** {@inheritDoc} */
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	@Override
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	public IStatus execute(IProgressMonitor monitor, IAdaptable info)
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			throws ExecutionException {
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		monitor.worked(20);
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		// Remove relation from taxon
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		for(TaxonRelationship relationship : taxonRelationships){
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			taxon.removeTaxonRelation(relationship);
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			monitor.worked(10);
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		}
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		monitor.worked(10);
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		return postExecute(taxon);
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	}
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	/* (non-Javadoc)
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	 * @see org.eclipse.core.commands.operations.AbstractOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
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	 */
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	/** {@inheritDoc} */
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	@Override
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	public IStatus redo(IProgressMonitor monitor, IAdaptable info)
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			throws ExecutionException {
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		return execute(monitor, info);
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	}
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	/* (non-Javadoc)
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	 * @see org.eclipse.core.commands.operations.AbstractOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
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	 */
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	/** {@inheritDoc} */
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	@Override
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	public IStatus undo(IProgressMonitor monitor, IAdaptable info)
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			throws ExecutionException {
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		for(TaxonRelationship relationship : taxonRelationships){
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			taxon.addTaxonRelation(relationship);
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			monitor.worked(10);
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		}
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		return postExecute(taxon);
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	}
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}
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