Examples of SimpleFeature

org.geomajas.layer.hibernate.simple.pojo.SimpleFeature
Hibernate test feature. @author Pieter De Graef @author Jan De Moerloose
org.opengis.feature.simple.SimpleFeature
An instance of {@link SimpleFeatureType} composed of fixed list values in a known order.
The definition of a "simple feature" can be summed up as the following:
- made up of only non-complex attributes, no associations
- attributes are of multiplicity 1
- attributes are ordered
- attribute names are unqualified (namespaceURI == null)
Attribute Access
The order and multiplicity restrictions on simple feature make attribute values accessible via an index. For example consider the following shapefile entry:
```
 | GEOMETRY   | INT | STRING | | POINT(0 0) |  0  | "zero" | 
```
Accessing attributes via index would look like:
```
 SimpleFeature feature = ...; Geometry g = (Geometry) feature.getAttribute( 0 ); Integer i = (Integer) feature.getAttribute( 1 ); String s = (String) feature.getAttribute( 2 ); 
```
One could also access by name:
```
 SimpleFeature feature = ...; Geometry g = (Geometry) feature.getAttribute( "GEOMETRY" ); Integer i = (Integer) feature.getAttribute( "INT" ); String s = (String) feature.getAttribute( "STRING" ); 
```
Note: Attribute access via getAttribute() methods returns attribute values, and not the attributes themselves. For access to the actual attributes {@link ComplexAttribute#getProperty(String)} can be used.
@see SimpleFeatureType @author Jody Garnett (LISAsoft) @author Justin Deoliveira (The Open Planning Project) @since 2.5 @version 8.0 @source $URL$

Examples of org.opengis.feature.simple.SimpleFeature


  @Test
  public void testFIDFilter() throws Exception {
    Filter filter = filterCreator.createFidFilter(new String[] { "filtertest.1" });
    Iterator<?> it = layer.getElements(filter, 0, 0);
    SimpleFeature f = (SimpleFeature) it.next();
    Assert.assertEquals("centraal", f.getAttribute("textAttr"));
  }

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Examples of org.opengis.feature.simple.SimpleFeature


  @Test
  public void fidFilter() throws LayerException {
    Filter filter = filterService.createFidFilter(new String[] { LAYER_NAME + ".1", LAYER_NAME + ".2" });
    Iterator<?> it = layer.getElements(filter, 0, 0);
    SimpleFeature f = (SimpleFeature) it.next();
    f = (SimpleFeature) it.next();
    Assert.assertEquals("inside", f.getAttribute(PARAM_TEXT_ATTR));
  }

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Examples of org.opengis.feature.simple.SimpleFeature

    Assert.assertEquals("inside", f.getAttribute(PARAM_TEXT_ATTR));
  }


  @Test
  public void containsFilter() throws LayerException {
    SimpleFeature feature = (SimpleFeature) layer.read(LAYER_NAME+".1");
    Geometry geom = (Geometry) feature.getDefaultGeometry();
    Filter filter = filterService.createContainsFilter(geom, PARAM_GEOMETRY_ATTR);
    Iterator<?> it = layer.getElements(filter, 0, 0);


    int t = 0;
    while (it.hasNext()) {

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Examples of org.opengis.feature.simple.SimpleFeature

    Assert.assertEquals(3, t);
  }


  @Test
  public void withinFilter() throws LayerException {
    SimpleFeature feature = (SimpleFeature) layer.read(LAYER_NAME+".7");
    Geometry geom = (Geometry) feature.getDefaultGeometry();
    Filter filter = filterService.createWithinFilter(geom, PARAM_GEOMETRY_ATTR);
    Iterator<?> it = layer.getElements(filter, 0, 0);


    int t = 0;
    while (it.hasNext()) {

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Examples of org.opengis.feature.simple.SimpleFeature

    Assert.assertEquals(4, t);
  }


  @Test
  public void intersectsFilter() throws LayerException {
    SimpleFeature feature = (SimpleFeature) layer.read(LAYER_NAME+".7");
    Geometry geom = (Geometry) feature.getDefaultGeometry();
    Filter filter = filterService.createIntersectsFilter(geom, PARAM_GEOMETRY_ATTR);
    Iterator<?> it = layer.getElements(filter, 0, 0);


    int t = 0;
    while (it.hasNext()) {

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Examples of org.opengis.feature.simple.SimpleFeature

    Assert.assertEquals(6, t);
  }


  @Test
  public void touchesFilter() throws LayerException {
    SimpleFeature feature = (SimpleFeature) layer.read(LAYER_NAME+".7");
    Geometry geom = (Geometry) feature.getDefaultGeometry();
    Filter filter = filterService.createTouchesFilter(geom, PARAM_GEOMETRY_ATTR);
    Iterator<?> it = layer.getElements(filter, 0, 0);


    int t = 0;
    while (it.hasNext()) {

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Examples of org.opengis.feature.simple.SimpleFeature

    Assert.assertEquals(3, t);
  }


  @Test
  public void overlapsFilter() throws LayerException {
    SimpleFeature feature = (SimpleFeature) layer.read(LAYER_NAME+".2");
    Geometry geom = (Geometry) feature.getDefaultGeometry();
    Filter filter = filterService.createOverlapsFilter(geom, PARAM_GEOMETRY_ATTR);
    Iterator<?> it = layer.getElements(filter, 0, 0);


    int t = 0;
    while (it.hasNext()) {

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Examples of org.opengis.feature.simple.SimpleFeature

    filter = filterCreator.createCompareFilter(ATTRIBUTE_POPULATION, ">", "1000000");
  }


  @Test
  public void testRead() throws Exception {
    SimpleFeature f = (SimpleFeature) layer.read(LAYER_NAME + ".2"); // id always starts with layer id
    Assert.assertEquals("Vatican City", f.getAttribute(ATTRIBUTE_NAME));
    Assert.assertEquals(562430, f.getAttribute(ATTRIBUTE_POPULATION));
  }

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Examples of org.opengis.feature.simple.SimpleFeature

    Assert.assertEquals(562430, f.getAttribute(ATTRIBUTE_POPULATION));
  }


  @Test
  public void testUpdate() throws Exception {
    SimpleFeature f = (SimpleFeature) layer.read(LAYER_NAME + ".3"); // id always starts with layer id
    f.setAttribute("NAME", "Luxembourg2");
    layer.update(f);
    Assert.assertEquals("Luxembourg2", f.getAttribute(ATTRIBUTE_NAME));
  }

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Examples of org.opengis.feature.simple.SimpleFeature

  public void create() throws Exception {
    WKTReader wktReader = new WKTReader();
    Point geometry = (Point) wktReader.read("POINT (0 0)");


    SimpleFeatureBuilder build = new SimpleFeatureBuilder(layer.getSchema());
    SimpleFeature feature = build.buildFeature("100000", new Object[] { geometry, "Tsjakamaka", 342 });


    Object created = layer.create(feature);
    Assert.assertNotNull(created);
  }

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Examples of SimpleFeature

Attribute Access

Examples of org.opengis.feature.simple.SimpleFeature

Examples of org.opengis.feature.simple.SimpleFeature

Examples of org.opengis.feature.simple.SimpleFeature

Examples of org.opengis.feature.simple.SimpleFeature

Examples of org.opengis.feature.simple.SimpleFeature

Examples of org.opengis.feature.simple.SimpleFeature

Examples of org.opengis.feature.simple.SimpleFeature

Examples of org.opengis.feature.simple.SimpleFeature

Examples of org.opengis.feature.simple.SimpleFeature

Examples of org.opengis.feature.simple.SimpleFeature