Revision 23329
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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/** |
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* <p>Represents the basic unit of the alfanumeric and vectorial |
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* data element (could be equivalent to data base register). |
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* </p> |
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* <br> |
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* <p>The Feature: |
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* <ul> |
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* <li>Can create a unike identifier <code>FeatureID</code> |
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* to recognize our Feature from each other of the same |
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* data source</li> |
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* <li>Have a <code>FeatureType</code> that shows the |
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* charasteristics of the <code>Feature</code> (fields, |
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* fileds data type, default geometry, validation rules).</li> |
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* </ul> |
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* </p> |
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* <p><code>Feature</code> has all necesary methoths to access and |
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* modify fileds values.</p> |
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* |
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* @author |
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* |
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*/ |
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public interface Feature {
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public List getAllSRS(); |
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public String getDefaultSRS(); |
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public Feature getFeature(String name); |
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/** |
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* |
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* @throws DataException |
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*/ |
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public void editing() throws DataException; |
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public void cancelEditing(); |
| branches/v2_0_0_prep/libraries/libFMap_data/src/org/gvsig/fmap/data/feature/FeatureStore.java | ||
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import org.gvsig.fmap.data.index.IndexException; |
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import org.gvsig.tools.observer.Observer; |
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/** |
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* <p>Is a specialization of DataStore to use alfanumeric and |
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* vectorial data.</p> |
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* <ul> |
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* <il>It has suport to the diferent <i>Feature</i> definitions |
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* (or types) represented by <i>FeatureType</i>, but always |
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* use one by default. (The GML format, for example, can use |
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* diferent <i>Feature</i> types.</il> |
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* <il>Allows access to a subcollection data filtered and/or |
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* sort it (as well load in a background mode). |
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* </il> |
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* <il>Allowed filters will be <i>alfanumerics</i> and/or |
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* <i>Spatial</i> and/or <i>Feature type</i>.</il> |
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* <il>Adds support to <i>Feature</i> edition level.</il> |
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* <il>Adds support to modify structure (<i>FeatureType</i>).</il> |
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* <il>Give information about contained geometry types.</il> |
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* |
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* </ul> |
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* |
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* @author |
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* |
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*/ |
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public interface FeatureStore extends DataStore{
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public DataCollection getDataCollection(FeatureType type, String filter, String order) throws ReadException; |
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/** |
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* Para la carga en background |
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*/ |
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/** |
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* To work in background |
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*/ |
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public void getDataCollection(FeatureType type, String filter, String order,Observer observer) throws DataException; |
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public void getDataCollection(String[] fields, String filter, String order,Observer observer) throws DataException; |
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public void getDataCollection(Observer observer); |
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public void disableNotifications(); |
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public void enableNotifications(); |
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//Bloqueo en edici?n
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//Bloqueo en edicin |
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public boolean isLocked(FeatureID id); |
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public boolean lock(FeatureID id); |
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