Examples of org.geotools.feature.FeatureCollection.features()

Class org.geotools.feature.FeatureCollection

Examples of org.geotools.feature.FeatureCollection.features()

org.geotools.feature.FeatureCollection.features()
Obtain a FeatureIterator
of the Features within this FeatureCollection.
The implementation of FeatureIterator must adhere to the rules of fail-fast concurrent modification. In addition (to allow for resource backed collections) the FeatureIterator.close() method must be called.
Example use:
```
 FeatureIterator iterator=collection.features(); try { while( iterator.hasNext()  ){ Feature feature = iterator.next(); System.out.println( feature.getID() ); } } finally { iterator.close(); } 
```
GML Note: The contents of this iterator are considered to be defined by featureMember tags (and/or the single allowed FeatureMembers tag). Please see getFeatureType for more details.
@return A FeatureIterator.

        FeatureSource fSource = (FeatureSource) dataAccess.getFeatureSource(typeName);
        FeatureCollection features = (FeatureCollection) fSource.getFeatures();


        assertEquals(5, size(features));


        FeatureIterator iterator = features.features();
        while (iterator.hasNext()) {
            Feature next = iterator.next();
            Collection<Property> children = next.getProperties("nestedFeature");
            if (next.getIdentifier().toString().equals("cc.1")) {
                // _=STRING:String,LINK_ONE:String,LINK_TWO:String

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        fSource = (FeatureSource) dataAccess.getFeatureSource(typeName);
        features = (FeatureCollection) fSource.getFeatures();


        assertEquals(5, size(features));


        iterator = features.features();
        while (iterator.hasNext()) {
            Feature next = iterator.next();
            Collection<Property> children = next.getProperties("nestedFeature");
            if (next.getIdentifier().toString().equals("cc.2")) {
                // _=STRING:String,LINK_ONE:String,LINK_TWO:String

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        // copy unrolled filter
        ((MappingFeatureCollection) collection).setUnrolledFilter(instance.baseTableQuery
                .getFilter());


        FeatureIterator featureIterator = collection.features();


        if (!(featureIterator instanceof DataAccessMappingFeatureIterator)) {
            throw new IOException(
                    "Internal error: Data Access Mapping feature Iterator expected but found "
                            + featureIterator);

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        for (int i = 0; i < 2; i++) {
            Geometry expected = gf.createPoint(new Coordinate(i, i)).buffer(10d);
            FeatureCollection sub = buffered.subCollection(ff.equals(ff.property("integer"),
                    ff.literal(i)));
            assertEquals(1, sub.size());
            FeatureIterator iterator = sub.features();
            SimpleFeature sf = (SimpleFeature) iterator.next();
            assertTrue(expected.equals((Geometry) sf.getDefaultGeometry()));
            iterator.close();
        }
    }

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        FeatureCollection features = getFeatures(Query.DEFAULT_MAX, inputFilter);
        assertEquals(1, DataUtilities.count(features));
        
        // check that it returns the right feature
        FeatureIterator iterator = features.features();
        Feature f = iterator.next();
        assertEquals(f.getIdentifier().toString(), "lithostratigraphic.unit.1679161041155866313");        
        iterator.close();     
    }

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        FeatureCollection features = getFeatures(Query.DEFAULT_MAX, inputFilter);
        assertEquals(3, DataUtilities.count(features));
        
        // check feature ids
        FeatureIterator iterator = features.features();
        Feature f = iterator.next();
        assertEquals(f.getIdentifier().toString(), "lithostratigraphic.unit.1679161021439131319");
        assertTrue(iterator.hasNext());
        f = iterator.next();            
        assertEquals(f.getIdentifier().toString(), "lithostratigraphic.unit.1679161041155866313");

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        // now with maxFeatures = 1, it should only return the first one
        features = getFeatures(MAX_FEATURES, inputFilter);
        assertEquals(MAX_FEATURES, DataUtilities.count(features));
        
        iterator = features.features();
        f = iterator.next();
        assertEquals(f.getIdentifier().toString(), "lithostratigraphic.unit.1679161021439131319");
        
        iterator.close();    
    }

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        FeatureCollection features = getFeatures(MAX_FEATURES, filter);
        
        assertEquals(0, DataUtilities.count(features));


        List<Feature> results = new ArrayList<Feature>();
        FeatureIterator it = features.features();
        for (; it.hasNext();) {
            results.add((Feature) it.next());
        }
        it.close();
        assertEquals(0, results.size());

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        final Name GeologicUnitType = new NameImpl(FeatureChainingTest.GSMLNS, "GeologicUnitType");


        List<Feature> results = new ArrayList<Feature>();


        FeatureCollection features = getFeatures(Query.DEFAULT_MAX, Filter.INCLUDE);
        FeatureIterator it = features.features();
        for (; it.hasNext();) {
            results.add((Feature) it.next());
        }
        it.close();

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        assertEquals( 1, fc.getFeature().size() );
        
        FeatureCollection features = (FeatureCollection) fc.getFeature().get( 0 );
        assertEquals( 2, features.size() );
        
        FeatureIterator fi = features.features();
        try {
            assertTrue( fi.hasNext() );
            SimpleFeature f = (SimpleFeature) fi.next();
            
            assertEquals( "feature", f.getType().getTypeName() );

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