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/*
 * Copyright 2002-2020 the original author or authors.
 *
 * 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
 *
 *      https://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.springframework.scheduling.concurrent;

import java.util.Properties;
import java.util.concurrent.ScheduledExecutorService;

import javax.naming.NamingException;

import org.springframework.beans.factory.InitializingBean;
import org.springframework.jndi.JndiLocatorDelegate;
import org.springframework.jndi.JndiTemplate;
import org.springframework.lang.Nullable;

/**
 * JNDI-based variant of {@link ConcurrentTaskScheduler}, performing a default lookup for
 * JSR-236's "java:comp/DefaultManagedScheduledExecutorService" in a Java EE 7 environment.
 *
 * 

Note: This class is not strictly JSR-236 based; it can work with any regular * {@link java.util.concurrent.ScheduledExecutorService} that can be found in JNDI. * The actual adapting to {@link javax.enterprise.concurrent.ManagedScheduledExecutorService} * happens in the base class {@link ConcurrentTaskScheduler} itself. * * @author Juergen Hoeller * @since 4.0 * @see javax.enterprise.concurrent.ManagedScheduledExecutorService */ public class DefaultManagedTaskScheduler extends ConcurrentTaskScheduler implements InitializingBean { private final JndiLocatorDelegate jndiLocator = new JndiLocatorDelegate(); @Nullable private String jndiName = "java:comp/DefaultManagedScheduledExecutorService"; /** * Set the JNDI template to use for JNDI lookups. * @see org.springframework.jndi.JndiAccessor#setJndiTemplate */ public void setJndiTemplate(JndiTemplate jndiTemplate) { this.jndiLocator.setJndiTemplate(jndiTemplate); } /** * Set the JNDI environment to use for JNDI lookups. * @see org.springframework.jndi.JndiAccessor#setJndiEnvironment */ public void setJndiEnvironment(Properties jndiEnvironment) { this.jndiLocator.setJndiEnvironment(jndiEnvironment); } /** * Set whether the lookup occurs in a Java EE container, i.e. if the prefix * "java:comp/env/" needs to be added if the JNDI name doesn't already * contain it. PersistenceAnnotationBeanPostProcessor's default is "true". * @see org.springframework.jndi.JndiLocatorSupport#setResourceRef */ public void setResourceRef(boolean resourceRef) { this.jndiLocator.setResourceRef(resourceRef); } /** * Specify a JNDI name of the {@link java.util.concurrent.Executor} to delegate to, * replacing the default JNDI name "java:comp/DefaultManagedScheduledExecutorService". *

This can either be a fully qualified JNDI name, or the JNDI name relative * to the current environment naming context if "resourceRef" is set to "true". * @see #setConcurrentExecutor * @see #setResourceRef */ public void setJndiName(String jndiName) { this.jndiName = jndiName; } @Override public void afterPropertiesSet() throws NamingException { if (this.jndiName != null) { ScheduledExecutorService executor = this.jndiLocator.lookup(this.jndiName, ScheduledExecutorService.class); setConcurrentExecutor(executor); setScheduledExecutor(executor); } } }





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