ObserverExtension.java example

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cdi-tck-master
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 *
 * 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
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package org.jboss.cdi.tck.tests.event.observer.priority;

import javax.enterprise.event.Observes;
import javax.enterprise.inject.spi.Extension;
import javax.enterprise.inject.spi.ObserverMethod;
import javax.enterprise.inject.spi.ProcessObserverMethod;

import java.util.HashMap;
import java.util.Map;

public class ObserverExtension implements Extension {

    private final Map<String, Integer> observerMethodPriorities = new HashMap<>();

    public void registerObservers(@Observes ProcessObserverMethod<?, ?> processObserverMethod) {
        ObserverMethod<?> observerMethod = processObserverMethod.getObserverMethod();

        String id = observerMethod.getBeanClass().getSimpleName() + "." + processObserverMethod.getAnnotatedMethod().getJavaMember().getName();

        observerMethodPriorities.put(id, observerMethod.getPriority());
    }

    public Integer getObserverMethodPriority(String id) {
        return observerMethodPriorities.get(id);
    }
}