Examples of org.geotools.data.simple.SimpleFeatureCollection.features()

Class org.geotools.data.simple.SimpleFeatureCollection

Examples of org.geotools.data.simple.SimpleFeatureCollection.features()

org.geotools.data.simple.SimpleFeatureCollection.features()
Obtain a SimpleFeatureIterator of the Features within this SimpleFeatureCollection.
The implementation of FeatureIterator must adhere to the rules of fail-fast concurrent modification. In addition (to allow for resource backed collections) the SimpleFeatureIterator.close() method must be called.
Example use:
```
 SimpleFeatureIterator iterator=collection.features(); try { while( iterator.hasNext()  ){ SimpleFeature feature = iterator.next(); System.out.println( feature.getID() ); } } finally { iterator.close(); } 
```

            assertEquals(propNames.get(i), resultSchema.getDescriptor(i).getLocalName());
        }


        // the problem described in GEOT-408 arises in attribute reader, so
        // we must to try fetching features
        SimpleFeatureIterator iterator = results.features();
        SimpleFeature feature = iterator.next();
        iterator.close();
        assertNotNull(feature);


        // the id must be grabed correctly.

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        SimpleFeatureSource source = ds.getFeatureSource(typeName);
        Query query = new Query(typeName, filter);
        SimpleFeatureCollection results = source.getFeatures(query);


        assertEquals(fids.size(), results.size());
        SimpleFeatureIterator iterator = results.features();
        try {
            while (iterator.hasNext()) {
                String fid = iterator.next().getID();
                assertTrue("a fid not included in query was returned: " + fid,
                        fids.contains(ff.featureId(fid)));

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        SimpleFeatureSource source = ds.getFeatureSource(typeName);
        Query query = new Query(typeName, filter);
        SimpleFeatureCollection results = source.getFeatures(query);


        assertEquals(1, results.size());
        SimpleFeatureIterator iterator = results.features();
        try {
            while (iterator.hasNext()) {
                String fid = iterator.next().getID();
                assertTrue("a fid not included in query was returned: " + fid,
                        fids.contains(ff.featureId(fid)));

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        SimpleFeatureSource source;
        source = store.getFeatureSource(typeName);
        SimpleFeatureCollection features;
        features = source.getFeatures(emptyAttNameFilter);


        SimpleFeatureIterator iterator = features.features();
        try {
            assertTrue(iterator.hasNext());
        } finally {
            iterator.close();
        }

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        assertFalse(env2.isNull());
        env1 = results.getBounds();
        assertNotNull(env1);
        assertFalse(env1.isNull());


        SimpleFeatureIterator reader = results.features();
        assertTrue(reader.hasNext());


        try {
            assertNotNull(reader.next());
        } catch (NoSuchElementException ex) {

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    private void testFilter(Filter filter, SimpleFeatureSource fsource, int expected)
            throws IOException {
        SimpleFeatureCollection fc = fsource.getFeatures(filter);


        SimpleFeatureIterator fi = fc.features();
        try {
            int numFeat = 0;
            while (fi.hasNext()) {
                fi.next();
                numFeat++;

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        SimpleFeatureCollection features = fs.getFeatures(filter);
        assertNotNull(features);
        assertEquals(1, features.size());
        assertNull(fs.getBounds());


        SimpleFeatureIterator iterator = features.features();
        assertTrue(iterator.hasNext());
        SimpleFeature next = iterator.next();
        assertNotNull(next);
        assertFalse(iterator.hasNext());
        iterator.close();

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        testFeatures = testData.createTestFeatures(LineString.class, featureCount);


        final DataStore ds = testData.getDataStore();


        final SimpleFeatureType ftype = testFeatures.getSchema();
        final SimpleFeatureIterator iterator = testFeatures.features();


        final Transaction transaction = new DefaultTransaction();
        final FeatureWriter<SimpleFeatureType, SimpleFeature> writer;
        writer = ds.getFeatureWriter(typeName, transaction);

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        SimpleFeatureCollection features = store.getFeatures(oldValueFilter);
        final int initialSize = features.size();
        assertEquals(1, initialSize);// just to not go forward with bad data
        final SimpleFeature originalFeature;
        SimpleFeatureIterator iterator = features.features();
        try {
            originalFeature = iterator.next();
        } finally {
            iterator.close();
        }

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        try {
            SimpleFeatureCollection features;
            SimpleFeatureIterator iterator;


            features = store.getFeatures(fid1Filter);
            iterator = features.features();
            final SimpleFeature feature1 = iterator.next();
            iterator.close();


            features = store.getFeatures(fid2Filter);
            iterator = features.features();

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