root / branches / v2_0_0_prep / libraries / libFMap_dal / src / org / gvsig / fmap / dal / feature / FeatureIndexes.java @ 24496
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1 | 23860 | jiyarza | /* gvSIG. Geographic Information System of the Valencian Government
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2 | 23867 | jiyarza | *
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3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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4 | * of the Valencian Government (CIT)
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5 | 23860 | jiyarza | *
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6 | 23867 | jiyarza | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 2
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9 | * of the License, or (at your option) any later version.
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10 | 23860 | jiyarza | *
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11 | 23867 | jiyarza | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | 23860 | jiyarza | *
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16 | 23867 | jiyarza | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | 23860 | jiyarza | *
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21 | */
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22 | |||
23 | 23867 | jiyarza | /*
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24 | * AUTHORS (In addition to CIT):
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25 | * 2008 {{Company}} {{Task}}
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26 | */
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27 | 23860 | jiyarza | |
28 | 24496 | jmvivo | package org.gvsig.fmap.dal.feature; |
29 | 23860 | jiyarza | |
30 | 23947 | jiyarza | import java.util.Iterator; |
31 | 23867 | jiyarza | |
32 | 24496 | jmvivo | import org.gvsig.fmap.dal.feature.spi.FeatureSetProvider; |
33 | 24366 | jiyarza | import org.gvsig.tools.evaluator.Evaluator; |
34 | 23867 | jiyarza | |
35 | 24366 | jiyarza | |
36 | 23947 | jiyarza | public interface FeatureIndexes { |
37 | |||
38 | 24366 | jiyarza | |
39 | /**
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40 | * Returns a FeatureIndex given the name with which it was created.
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41 | *
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42 | * @param name FeatureIndex name
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43 | *
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44 | * @return FeatureIndex or null if it is not found.
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45 | 23860 | jiyarza | */
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46 | 23963 | jiyarza | public FeatureIndex getFeatureIndex(String name); |
47 | 23867 | jiyarza | |
48 | 23860 | jiyarza | /**
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49 | 24366 | jiyarza | * Using the given evaluator attributes, choose and use an appropriate index
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50 | * to obtain a FeatureSetProvider. If no index can be applied, then this method returns null
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51 | 23947 | jiyarza | *
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52 | 24366 | jiyarza | * @param evaluator
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53 | * @return FeatureSetProvider or null if could not find any appropriate index.
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54 | *
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55 | 23860 | jiyarza | */
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56 | 24366 | jiyarza | public FeatureSetProvider getFeatureSet(Evaluator evaluator);
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57 | |||
58 | /**
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59 | * Returns an iterator over the indexes. Elements are of type FeatureIndex.
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60 | *
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61 | * @return Iterator over the FeatureIndex(es).
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62 | */
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63 | 23947 | jiyarza | public Iterator iterator(); |
64 | 23860 | jiyarza | } |