Application: gvSIG desktop

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

* This program is free software; you can redistribute it and/or

* modify it under the terms of the GNU General Public License

* as published by the Free Software Foundation; either version 2

* of the License, or (at your option) any later version.

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU General Public License for more details.

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* MA  02110-1301, USA.

*/

/*

* AUTHORS (In addition to CIT):

* 2008 {{Company}}   {{Task}}

*/

package org.gvsig.fmap.data.feature.impl;

import java.util.Iterator;

	LongList featureReferences = null;

	FeatureStoreProvider store = null;

	FeatureIndexProviderServices index = null;

	public class IndexIterator implements Iterator {

		Iterator it = null;

		public IndexIterator(Iterator it) {

		}

		public boolean hasNext() {

			Object refId = it.next();

			Feature f = null;

			try {

				f = index.getFeatureStore().createFeature(data);

			} catch (DataException e) {

				throw new ReadRuntimeException(index.getFeatureStore().getName(), e);

			throw new UnsupportedOperationException();

		}

	}

	public class FastIndexIterator implements Iterator {

		Iterator it = null;

		FeatureData data = null;

		Feature feat = null;

		public FastIndexIterator(Iterator it) throws DataException {

			data = store.createFeatureData(index.getFeatureType());

			feat = index.getFeatureStore().createFeature(data);

		}

		public void remove() {

			throw new UnsupportedOperationException();

		}

	public IndexFeatureSet(FeatureIndexProviderServices index, LongList featureReferences) {

		this.featureReferences = featureReferences;

		this.store = index.getFeatureStore().getProvider();

		this.index = index;

	}

	public boolean canFilter() {

		return false;

	}

		return featureReferences.getSize();

	}

		return featureReferences.isEmpty();

	}

		return new IndexIterator(this.featureReferences.iterator());

	}