root / branches / v2_0_0_prep / extensions / extGPE-gvSIG / src / org / gvsig / fmap / dal / store / gpe / GPESetProvider.java @ 27499
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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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 2
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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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*/
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/*
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* AUTHORS (In addition to CIT):
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* 2009 {Iver T.I.} {Task}
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*/
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package org.gvsig.fmap.dal.store.gpe; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.ReadRuntimeException; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureQuery; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.dal.feature.impl.DefaultFeature; |
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import org.gvsig.fmap.dal.feature.spi.FeatureData; |
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import org.gvsig.fmap.dal.feature.spi.FeatureSetProvider; |
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import org.gvsig.fmap.dal.store.gpe.handlers.FmapContentHandler; |
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import org.gvsig.gpe.GPEFactory; |
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/**
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* @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>
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*/
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public class GPESetProvider implements FeatureSetProvider { |
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private GPEStoreProvider store;
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private FeatureQuery query;
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private FeatureType featureType;
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public GPESetProvider(GPEStoreProvider store,
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FeatureQuery query) { |
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this.store = store;
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this.query = query;
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} |
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public GPESetProvider(GPEStoreProvider store,
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FeatureQuery query, FeatureType featureType) { |
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this.store = store;
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this.query = query;
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this.featureType = featureType;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.dal.feature.spi.FeatureSetProvider#canFilter()
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*/
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public boolean canFilter() { |
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// TODO Auto-generated method stub
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return false; |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.dal.feature.spi.FeatureSetProvider#canIterateFromIndex()
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*/
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public boolean canIterateFromIndex() { |
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// TODO Auto-generated method stub
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return false; |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.dal.feature.spi.FeatureSetProvider#canOrder()
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*/
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public boolean canOrder() { |
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// TODO Auto-generated method stub
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return false; |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.dal.feature.spi.FeatureSetProvider#fastIterator(long)
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*/
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public Iterator fastIterator(long index) throws DataException { |
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return new GPEFastIterator(this.store, this.featureType); |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.dal.feature.spi.FeatureSetProvider#fastIterator()
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*/
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public Iterator fastIterator() throws DataException { |
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return fastIterator(0); |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.dal.feature.spi.FeatureSetProvider#getSize()
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*/
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public long getSize() throws DataException { |
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return store.getFeatureCount();
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.dal.feature.spi.FeatureSetProvider#isEmpty()
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*/
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public boolean isEmpty() throws DataException { |
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// TODO Auto-generated method stub
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return false; |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.dal.feature.spi.FeatureSetProvider#iterator()
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*/
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public Iterator iterator() throws DataException { |
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return this.iterator(0); |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.dal.feature.spi.FeatureSetProvider#iterator(long)
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*/
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public Iterator iterator(long index) throws DataException { |
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return new GPEIterator(this.store, this.featureType); |
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} |
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protected class GPEIterator implements Iterator { |
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protected GPEStoreProvider store;
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protected FeatureType type;
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Iterator keys = null; |
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HashMap<String, Feature> features = null; |
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public GPEIterator(GPEStoreProvider store, FeatureType type) throws DataException { |
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this.store = store;
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this.type = type;
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features = ((FmapContentHandler)store.getParser().getContentHandler()) |
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.getFeatureSet(); |
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keys = features.keySet().iterator(); |
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} |
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/*
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* (non-Javadoc)
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* @see java.util.Iterator#hasNext()
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*/
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public boolean hasNext() { |
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return keys.hasNext();
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} |
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/*
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* (non-Javadoc)
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* @see java.util.Iterator#next()
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*/
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public Object next() { |
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return ((DefaultFeature)features.get(keys.next())).getData();
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} |
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/*
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* (non-Javadoc)
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* @see java.util.Iterator#remove()
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*/
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public void remove() { |
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throw new UnsupportedOperationException(); |
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} |
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} |
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protected class GPEFastIterator extends GPEIterator { |
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public GPEFastIterator(GPEStoreProvider store, FeatureType type) throws DataException { |
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super(store, type);
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} |
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} |
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} |
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