Examples with BuilderInstantiatorDefinition org.simpleflatmapper.reflect.BuilderInstantiatorDefinition used on opensource projects

Example 1 with BuilderInstantiatorDefinition

use of org.simpleflatmapper.reflect.BuilderInstantiatorDefinition in project SimpleFlatMapper by arnaudroger.

the class AsmFactory method createBiInstantiator.

@SuppressWarnings("unchecked")
public <S1, S2, T> BiInstantiator<S1, S2, T> createBiInstantiator(final Class<?> s1, final Class<?> s2, final InstantiatorDefinition instantiatorDefinition, final Map<Parameter, BiFunction<? super S1, ? super S2, ?>> injections, boolean builderIgnoresNullValues) throws Exception {
    BiInstantiatorKey instantiatorKey = new BiInstantiatorKey(instantiatorDefinition, injections, s1, s2);
    Class<? extends BiInstantiator<?, ?, ?>> instantiator = biInstantiatorCache.get(instantiatorKey);
    Instantiator builderInstantiator = null;
    if (instantiator == null) {
        final String className = generateClassNameForBiInstantiator(instantiatorKey);
        final byte[] bytes;
        if (instantiatorDefinition instanceof ExecutableInstantiatorDefinition) {
            bytes = BiInstantiatorBuilder.createInstantiator(className, s1, s2, (ExecutableInstantiatorDefinition) instantiatorDefinition, injections);
        } else {
            builderInstantiator = createInstantiator(Void.class, ((BuilderInstantiatorDefinition) instantiatorDefinition).getBuilderInstantiator(), new HashMap<Parameter, Getter<? super Void, ?>>(), builderIgnoresNullValues);
            bytes = BiInstantiatorBuilder.createInstantiator(className, s1, s2, builderInstantiator, (BuilderInstantiatorDefinition) instantiatorDefinition, injections, builderIgnoresNullValues);
        }
        instantiator = (Class<? extends BiInstantiator<?, ?, ?>>) createClass(className, bytes, instantiatorKey.getDeclaringClass().getClassLoader());
        biInstantiatorCache.put(instantiatorKey, instantiator);
    }
    Map<String, BiFunction<? super S1, ? super S2, ?>> factoryPerName = new HashMap<String, BiFunction<? super S1, ? super S2, ?>>();
    for (Entry<Parameter, BiFunction<? super S1, ? super S2, ?>> e : injections.entrySet()) {
        factoryPerName.put(e.getKey().getName(), e.getValue());
    }
    if (instantiatorDefinition instanceof ExecutableInstantiatorDefinition) {
        return (BiInstantiator<S1, S2, T>) instantiator.getConstructor(Map.class).newInstance(factoryPerName);
    } else {
        return (BiInstantiator<S1, S2, T>) instantiator.getConstructor(Map.class, Instantiator.class).newInstance(factoryPerName, builderInstantiator);
    }
}

Example 2 with BuilderInstantiatorDefinition

use of org.simpleflatmapper.reflect.BuilderInstantiatorDefinition in project SimpleFlatMapper by arnaudroger.

the class BuilderInstantiatorDefinitionFactory method extractDefinitions.

public static List<InstantiatorDefinition> extractDefinitions(Type target) {
    List<InstantiatorDefinition> instantiatorDefinitions = new ArrayList<InstantiatorDefinition>();
    Class<?> clazz = TypeHelper.toClass(target);
    for (Method m : clazz.getDeclaredMethods()) {
        if (isPotentialBuilderMethod(m)) {
            BuilderInstantiatorDefinition def = getDefinitionForBuilderFromMethod(m, target);
            if (def != null) {
                instantiatorDefinitions.add(def);
            }
        }
    }
    return instantiatorDefinitions;
}

Example 3 with BuilderInstantiatorDefinition

use of org.simpleflatmapper.reflect.BuilderInstantiatorDefinition in project SimpleFlatMapper by arnaudroger.

the class BuilderBiInstantiatorDefinitionFactoryTest method testBuilderFromMethodAsmBoxing.

@Test
public void testBuilderFromMethodAsmBoxing() throws Exception {
    final List<InstantiatorDefinition> instantiatorDefinitions = BuilderInstantiatorDefinitionFactory.extractDefinitions(ClassBuilderWithMethod.class);
    assertEquals(1, instantiatorDefinitions.size());
    BuilderInstantiatorDefinition b = (BuilderInstantiatorDefinition) instantiatorDefinitions.get(0);
    final Parameter[] parameters = b.getParameters();
    Arrays.sort(parameters, new Comparator<Parameter>() {

        @Override
        public int compare(Parameter o1, Parameter o2) {
            return o1.getName().compareTo(o2.getName());
        }
    });
    Map<Parameter, BiFunction<? super Void, ? super Object, ?>> params = new HashMap<Parameter, BiFunction<? super Void, ? super Object, ?>>();
    params.put(parameters[1], new ConstantBiFunction<Void, Object, String>("myname"));
    params.put(parameters[0], new ConstantBiFunction<Void, Object, Integer>(3));
    final InstantiatorFactory instantiatorFactory = new InstantiatorFactory(new AsmFactory(getClass().getClassLoader()), true);
    final BiInstantiator<Void, Object, ClassBuilderWithMethod> instantiator = instantiatorFactory.<Void, Object, ClassBuilderWithMethod>getBiInstantiator(b, Void.class, Object.class, params, true, true);
    final ClassBuilderWithMethod o = instantiator.newInstance(null, null);
    assertFalse((instantiator instanceof BuilderBiInstantiator));
    assertEquals("myname", o.getName());
    assertEquals(3, o.getId());
}

Example 4 with BuilderInstantiatorDefinition

use of org.simpleflatmapper.reflect.BuilderInstantiatorDefinition in project SimpleFlatMapper by arnaudroger.

the class BuilderBiInstantiatorDefinitionFactoryTest method testBuilderFromMethodVoid.

@Test
public void testBuilderFromMethodVoid() throws Exception {
    final List<InstantiatorDefinition> instantiatorDefinitions = BuilderInstantiatorDefinitionFactory.extractDefinitions(ClassBuilderWithMethod.class);
    assertEquals(1, instantiatorDefinitions.size());
    BuilderInstantiatorDefinition b = (BuilderInstantiatorDefinition) instantiatorDefinitions.get(0);
    final Parameter[] parameters = b.getParameters();
    Arrays.sort(parameters, new Comparator<Parameter>() {

        @Override
        public int compare(Parameter o1, Parameter o2) {
            return o1.getName().compareTo(o2.getName());
        }
    });
    Map<Parameter, BiFunction<? super Void, ? super Object, ?>> params = new HashMap<Parameter, BiFunction<? super Void, ? super Object, ?>>();
    params.put(parameters[2], new ConstantBiFunction<Void, Object, String>("zrux"));
    params.put(parameters[0], new ConstantBiFunction<Void, Object, Integer>(3));
    final InstantiatorFactory instantiatorFactory = new InstantiatorFactory(new AsmFactory(getClass().getClassLoader()), true);
    final BiInstantiator<Void, Object, ClassBuilderWithMethod> instantiator = instantiatorFactory.<Void, Object, ClassBuilderWithMethod>getBiInstantiator(b, Void.class, Object.class, params, true, true);
    final ClassBuilderWithMethod o = instantiator.newInstance(null, null);
    assertFalse((instantiator instanceof BuilderBiInstantiator));
    assertEquals(3, o.getId());
    assertEquals("zrux", o.getZrux());
}

Example 5 with BuilderInstantiatorDefinition

use of org.simpleflatmapper.reflect.BuilderInstantiatorDefinition in project SimpleFlatMapper by arnaudroger.

the class BuilderBiInstantiatorDefinitionFactoryTest method testBuilderFromMethodVoidNullHandling.

@Test
public void testBuilderFromMethodVoidNullHandling() throws Exception {
    final List<InstantiatorDefinition> instantiatorDefinitions = BuilderInstantiatorDefinitionFactory.extractDefinitions(ClassBuilderWithMethod.class);
    assertEquals(1, instantiatorDefinitions.size());
    BuilderInstantiatorDefinition b = (BuilderInstantiatorDefinition) instantiatorDefinitions.get(0);
    final Parameter[] parameters = b.getParameters();
    Arrays.sort(parameters, new Comparator<Parameter>() {

        @Override
        public int compare(Parameter o1, Parameter o2) {
            return o1.getName().compareTo(o2.getName());
        }
    });
    Map<Parameter, BiFunction<? super Void, ? super Object, ?>> params = new HashMap<Parameter, BiFunction<? super Void, ? super Object, ?>>();
    params.put(parameters[2], new ConstantBiFunction<Void, Object, String>(null));
    params.put(parameters[0], new ConstantBiFunction<Void, Object, Integer>(null));
    final InstantiatorFactory instantiatorFactory = new InstantiatorFactory(new AsmFactory(getClass().getClassLoader()), true);
    final BiInstantiator<Void, Object, ClassBuilderWithMethod> instantiator = instantiatorFactory.<Void, Object, ClassBuilderWithMethod>getBiInstantiator(b, Void.class, Object.class, params, true, true);
    final ClassBuilderWithMethod o = instantiator.newInstance(null, null);
    assertFalse((instantiator instanceof BuilderBiInstantiator));
    assertEquals(0, o.getId());
    assertEquals(null, o.getZrux());
}