Search in sources :

Example 1 with BiInstantiator

use of org.simpleflatmapper.reflect.BiInstantiator 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);
    }
}
Also used : ExecutableInstantiatorDefinition(org.simpleflatmapper.reflect.instantiator.ExecutableInstantiatorDefinition) ConcurrentHashMap(java.util.concurrent.ConcurrentHashMap) HashMap(java.util.HashMap) Instantiator(org.simpleflatmapper.reflect.Instantiator) BiInstantiator(org.simpleflatmapper.reflect.BiInstantiator) BuilderInstantiatorDefinition(org.simpleflatmapper.reflect.BuilderInstantiatorDefinition) BiFunction(org.simpleflatmapper.util.BiFunction) Parameter(org.simpleflatmapper.reflect.Parameter) BiInstantiator(org.simpleflatmapper.reflect.BiInstantiator)

Aggregations

HashMap (java.util.HashMap)1 ConcurrentHashMap (java.util.concurrent.ConcurrentHashMap)1 BiInstantiator (org.simpleflatmapper.reflect.BiInstantiator)1 BuilderInstantiatorDefinition (org.simpleflatmapper.reflect.BuilderInstantiatorDefinition)1 Instantiator (org.simpleflatmapper.reflect.Instantiator)1 Parameter (org.simpleflatmapper.reflect.Parameter)1 ExecutableInstantiatorDefinition (org.simpleflatmapper.reflect.instantiator.ExecutableInstantiatorDefinition)1 BiFunction (org.simpleflatmapper.util.BiFunction)1