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svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.api / src / main / java / org / gvsig / fmap / dal / feature / FeatureSelection.java @ 40559

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/**
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 * gvSIG. Desktop Geographic Information System.
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 *
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 * Copyright (C) 2007-2013 gvSIG Association.
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 3
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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 * MA  02110-1301, USA.
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 *
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 * For any additional information, do not hesitate to contact us
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 * at info AT gvsig.com, or visit our website www.gvsig.com.
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 */
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/*
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 * AUTHORS (In addition to CIT):
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 * 2008 {DiSiD Technologies}  {Implement data selection}
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 */
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package org.gvsig.fmap.dal.feature;
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import org.gvsig.fmap.dal.exception.DataException;
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import org.gvsig.tools.lang.Cloneable;
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/**
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 * Manages a selection of Features.
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 * 
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 * @author <a href="mailto:cordin@disid.com">C?sar Ordi?ana</a>
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 */
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public interface FeatureSelection extends FeatureReferenceSelection,
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                FeatureSet, Cloneable {
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    /**
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     * Adds a feature to the selection.
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     * 
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     * @param feature
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     *            the selected feature
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     * @return true if the feature was not selected before selecting it
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     */
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    boolean select(Feature feature);
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    /**
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     * Removes a feature from the selection.
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     * 
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     * @param feature
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     *            the deselected feature
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     * @return true if the feature was selected before deselecting it
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     */
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    boolean deselect(Feature feature);
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    /**
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     * Adds a DataSet of features to the selection.
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     * 
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     * @param features
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     *            the selected features
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     * @return true if any of the feature was not selected before selecting it
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     * @throws DataException
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     *             if there is an error reading the FeatureSet values
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     */
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    boolean select(FeatureSet features) throws DataException;
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    /**
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     * Removes a DataSet of features from the selection.
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     * 
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     * @param features
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     *            the deselected features
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     * @return true if any of the features was selected before deselecting it
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     * @throws DataException
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     *             if there is an error reading the FeatureSet values
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     */
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    boolean deselect(FeatureSet features) throws DataException;
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    /**
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     * Returns if a feature is selected.
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     * 
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     * @param feature
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     *            to check
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     * @return if it is selected
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     */
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    boolean isSelected(Feature feature);
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}