/*
 * JBoss, Home of Professional Open Source
 * Copyright 2016, Red Hat, Inc., and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jboss.weld.tests.observers.custom;

import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.Collections;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;

import javax.enterprise.event.Observes;
import javax.enterprise.event.Reception;
import javax.enterprise.event.TransactionPhase;
import javax.enterprise.inject.spi.AfterBeanDiscovery;
import javax.enterprise.inject.spi.Extension;
import javax.enterprise.inject.spi.ObserverMethod;

public class CustomObserverSuperclassExtension implements Extension {

    static final AtomicBoolean OBSERVED = new AtomicBoolean(false);

    public <T> void registerObservers(@Observes AfterBeanDiscovery event) {
        event.addObserverMethod(new CustomObserver());
    }

    static class CustomObserver extends AbstractObserver {

        @Override
        public Class<?> getBeanClass() {
            return CustomObserverSuperclassExtension.class;
        }

        @Override
        public Type getObservedType() {
            return Long.class;
        }

        @Override
        public Set<Annotation> getObservedQualifiers() {
            return Collections.emptySet();
        }

        @Override
        public Reception getReception() {
            return Reception.ALWAYS;
        }

        @Override
        public TransactionPhase getTransactionPhase() {
            return TransactionPhase.IN_PROGRESS;
        }

    }

    static abstract class AbstractObserver implements ObserverMethod<Long> {

        @Override
        public void notify(Long event) {
            OBSERVED.set(true);
        }

    }

}