| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.batchee.cdi.impl; |
| |
| import org.apache.batchee.cdi.scope.JobScoped; |
| |
| import java.lang.annotation.Annotation; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import javax.enterprise.inject.Typed; |
| import javax.enterprise.inject.spi.BeanManager; |
| |
| @Typed |
| public class JobContextImpl extends BaseContext { |
| |
| private ConcurrentMap<Long, AtomicInteger> jobReferences = new ConcurrentHashMap<Long, AtomicInteger>(); |
| |
| |
| JobContextImpl(BeanManager bm) { |
| super(bm); |
| } |
| |
| |
| @Override |
| public Class<? extends Annotation> getScope() { |
| return JobScoped.class; |
| } |
| |
| @Override |
| protected Long currentKey() { |
| return getContextResolver().getJobContext().getExecutionId(); |
| } |
| |
| |
| public void enterJobExecution() { |
| |
| Long jobExecutionId = currentKey(); |
| |
| AtomicInteger jobRefs = jobReferences.get(jobExecutionId); |
| if (jobRefs == null) { |
| jobRefs = new AtomicInteger(0); |
| AtomicInteger oldJobRefs = jobReferences.putIfAbsent(jobExecutionId, jobRefs); |
| if (oldJobRefs != null) { |
| jobRefs = oldJobRefs; |
| } |
| } |
| jobRefs.incrementAndGet(); |
| } |
| |
| public void exitJobExecution() { |
| |
| Long jobExecutionId = currentKey(); |
| |
| AtomicInteger jobRefs = jobReferences.get(jobExecutionId); |
| if (jobRefs != null) { |
| int references = jobRefs.decrementAndGet(); |
| if (references == 0) { |
| endContext(jobExecutionId); |
| } |
| } |
| } |
| } |