Examples with Transformer org.cytoscape.filter.model.Transformer used on opensource projects

Example 6 with Transformer

use of org.cytoscape.filter.model.Transformer in project cytoscape-impl by cytoscape.

the class FilterIOTest method testNestedFilterRoundTrip.

@SuppressWarnings("rawtypes")
@Test
public void testNestedFilterRoundTrip() throws Exception {
    DegreeFilter degreeFilter = new DegreeFilter();
    degreeFilter.setCriterion(new Double[] { 0.2, 5.5 });
    degreeFilter.setEdgeType(CyEdge.Type.ANY);
    CompositeFilter<CyNetwork, CyIdentifiable> composite = new CompositeFilterImpl<CyNetwork, CyIdentifiable>(CyNetwork.class, CyIdentifiable.class);
    composite.setType(Type.ANY);
    composite.append(degreeFilter);
    CyTransformerWriter writer = new CyTransformerWriterImpl();
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    writer.write(stream, FilterIO.createNamedTransformer("filter1", composite));
    String serialized = stream.toString("utf-8");
    TransformerManagerImpl transformerManager = new TransformerManagerImpl();
    Map<String, String> properties = Collections.emptyMap();
    transformerManager.registerFilterFactory(new DegreeFilterFactory(), properties);
    transformerManager.registerFilterFactory(new CompositeFilterFactory<CyNetwork, CyIdentifiable>(CyNetwork.class, CyIdentifiable.class), properties);
    CyTransformerReaderImpl reader = new CyTransformerReaderImpl();
    reader.registerTransformerManager(transformerManager, null);
    ByteArrayInputStream inputStream = new ByteArrayInputStream(stream.toByteArray());
    NamedTransformer<?, ?>[] transformers = reader.read(inputStream);
    Assert.assertNotNull(transformers);
    Assert.assertEquals(1, transformers.length);
    NamedTransformer<?, ?> namedTransformer = transformers[0];
    Assert.assertNotNull(namedTransformer);
    Assert.assertEquals("filter1", namedTransformer.getName());
    List children = namedTransformer.getTransformers();
    Assert.assertEquals(1, children.size());
    Transformer child = (Transformer) children.get(0);
    Assert.assertNotNull(child);
    Assert.assertTrue(child instanceof CompositeFilter);
    CompositeFilter composite2 = (CompositeFilter) child;
    Assert.assertEquals(composite.getType(), composite2.getType());
    Assert.assertEquals(composite.getLength(), composite2.getLength());
    Filter filter = composite2.get(0);
    Assert.assertTrue(filter instanceof DegreeFilter);
    DegreeFilter degreeFilter2 = (DegreeFilter) filter;
    Assert.assertArrayEquals((Number[]) degreeFilter.getCriterion(), (Number[]) degreeFilter2.getCriterion());
    Assert.assertEquals(degreeFilter.getEdgeType(), degreeFilter2.getEdgeType());
}