/*
* JBoss, Home of Professional Open Source
* Copyright 2014, 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.interceptors.thread.async;
import java.util.concurrent.Future;
import javax.annotation.Priority;
import javax.enterprise.inject.spi.DefinitionException;
import javax.inject.Inject;
import javax.interceptor.AroundInvoke;
import javax.interceptor.Interceptor;
import javax.interceptor.InvocationContext;
import org.jboss.weld.tests.interceptors.thread.ThreadPool;
@Async
@Interceptor
@Priority(Interceptor.Priority.LIBRARY_BEFORE + 100)
public class AsyncInterceptor {
@Inject
private ThreadPool pool;
@AroundInvoke
public Object intercept(final InvocationContext ctx) throws Exception {
final Class<?> returnType = ctx.getMethod().getReturnType();
if (returnType == void.class) {
pool.submit(ctx);
return null;
} else if (returnType == Future.class) {
return pool.submit(() -> AsyncResult.unwrap(ctx.proceed()));
} else {
throw new DefinitionException("Invalid return type " + returnType);
}
}
}