Examples of org.geotools.caching.util.SimpleFeatureMarshaller

org.geotools.caching.util.SimpleFeatureMarshaller
Simple marshaller that can write features to an ObjectOutputStream. Feature is not Serializable, but this is based on the idea that most attributes object are Serializable (JTS geometries are Serializable), and that attributes which are not simple, are either a collection we can iterate through, or another Feature. Serialization is then achieved recursively. Unmarshalling implies to know the FeatureType of the marshalled feature. Storage format : Header, Attributes Header := int : FeatureType hashCode, String : FeatureType name, String : Feature ID, int : number of attributes Attributes := [Attribute] Attribute := int : multiplicity, or O if simple, or -1 if FeatureAttribute, Object|Feature|[Attribute] : attribute value This implementation does not have the ambition of being robust. @task test with other FeatureType than DefaultFeatureType @task add method marshall(Feature, ByteArrayOutputStream) and unmarshall(ByteArrayOutputStream), or create sub class. @author Christophe Rousson, SoC 2007, CRG-ULAVAL @source $URL$

     */
    public void testMarshall()
        throws IOException, ClassNotFoundException, IllegalAttributeException {
        Generator gen = new Generator(1000, 1000);
        SimpleFeature f = gen.createFeature(0);
        SimpleFeatureMarshaller m = new SimpleFeatureMarshaller();
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(baos);
        m.marshall(f, oos);


        byte[] ba = baos.toByteArray();
        baos.close();


        ByteArrayInputStream bais = new ByteArrayInputStream(ba);
        ObjectInputStream ois = new ObjectInputStream(bais);
        Feature newf = m.unmarshall(ois);
        bais.close();
        assertTrue(f.equals(newf));
    }

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     */
    public void ztestComplexMarshall()
        throws IOException, ClassNotFoundException, IllegalAttributeException {
        Generator gen = new Generator(1000, 1000);
        SimpleFeature f = gen.createFeature(0);
        SimpleFeatureMarshaller m = new SimpleFeatureMarshaller();
        
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(baos);
        m.marshall(f, oos);


        byte[] ba = baos.toByteArray();
        baos.close();


        ByteArrayInputStream bais = new ByteArrayInputStream(ba);
        ObjectInputStream ois = new ObjectInputStream(bais);
        Feature newf = m.unmarshall(ois);
        bais.close();
        //newf = ((DefaultFeature) newf).toComplex() ;
        assertTrue(f.equals(newf));
    }

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        long start = System.currentTimeMillis();


        for (int i = 0; i < 10000; i++) {
            SimpleFeature f = (SimpleFeature) features.get(i);
            SimpleFeatureMarshaller marsh = new SimpleFeatureMarshaller();
            ByteArrayOutputStream baos = new ByteArrayOutputStream();


            try {
                ObjectOutputStream oos = new ObjectOutputStream(baos);
                marsh.marshall(f, oos);


                byte[] ba = baos.toByteArray();
                ByteArrayInputStream bais = new ByteArrayInputStream(ba);
                ObjectInputStream ois = new ObjectInputStream(bais);
                Feature newf = marsh.unmarshall(ois);


                if (!newf.equals(f)) {
                    throw new RuntimeException("Error at unmarshall");
                }

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