svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.impl / src / main / java / org / gvsig / fmap / dal / feature / impl / featureset / FastDefaultIterator.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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package org.gvsig.fmap.dal.feature.impl.featureset; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.impl.DefaultFeature; |
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import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
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import org.gvsig.tools.exception.BaseException; |
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public class FastDefaultIterator extends DefaultIterator { |
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DefaultFeature myFeature; |
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public FastDefaultIterator(DefaultFeatureSet featureSet, long index) |
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throws DataException {
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super(featureSet);
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this.initializeFeature();
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if (index > 0) { |
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if (featureSet.provider.canIterateFromIndex()) {
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try {
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this.iterator = featureSet.provider.fastIterator(index);
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} catch (UnsupportedOperationException e) { |
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this.iterator = featureSet.provider.fastIterator();
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skypto(index); |
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} |
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} else {
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this.iterator = featureSet.provider.fastIterator();
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skypto(index); |
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} |
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} else {
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this.iterator = featureSet.provider.fastIterator();
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} |
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} |
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protected DefaultFeature createFeature(FeatureProvider fData)
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throws DataException {
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fData.setNew(false);
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this.myFeature.setData(fData);
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if (this.fset.transform.isEmpty()) { |
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return myFeature;
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} else {
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return (DefaultFeature) this.fset.transform.applyTransform( |
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myFeature, fset |
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.getDefaultFeatureType()); |
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} |
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} |
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protected void initializeFeature() { |
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myFeature = new DefaultFeature(fset.store);
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} |
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public void remove() { |
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super.remove();
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this.initializeFeature();
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} |
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protected void doDispose() throws BaseException { |
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super.doDispose();
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myFeature = null;
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} |
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} |