Source Code Cross Referenced for JobDetailBean.java in  » J2EE » spring-framework-2.5 » org » springframework » scheduling » quartz » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » J2EE » spring framework 2.5 » org.springframework.scheduling.quartz 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright 2002-2006 the original author or authors.
003:         *
004:         * Licensed under the Apache License, Version 2.0 (the "License");
005:         * you may not use this file except in compliance with the License.
006:         * You may obtain a copy of the License at
007:         *
008:         *      http://www.apache.org/licenses/LICENSE-2.0
009:         *
010:         * Unless required by applicable law or agreed to in writing, software
011:         * distributed under the License is distributed on an "AS IS" BASIS,
012:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013:         * See the License for the specific language governing permissions and
014:         * limitations under the License.
015:         */
016:
017:        package org.springframework.scheduling.quartz;
018:
019:        import java.util.Map;
020:
021:        import org.quartz.Job;
022:        import org.quartz.JobDetail;
023:        import org.quartz.Scheduler;
024:
025:        import org.springframework.beans.factory.BeanNameAware;
026:        import org.springframework.beans.factory.InitializingBean;
027:        import org.springframework.context.ApplicationContext;
028:        import org.springframework.context.ApplicationContextAware;
029:
030:        /**
031:         * Convenience subclass of Quartz' JobDetail class that eases bean-style
032:         * usage.
033:         *
034:         * <p><code>JobDetail</code> itself is already a JavaBean but lacks
035:         * sensible defaults. This class uses the Spring bean name as job name,
036:         * and the Quartz default group ("DEFAULT") as job group if not specified.
037:         *
038:         * @author Juergen Hoeller
039:         * @since 18.02.2004
040:         * @see #setName
041:         * @see #setGroup
042:         * @see org.springframework.beans.factory.BeanNameAware
043:         * @see org.quartz.Scheduler#DEFAULT_GROUP
044:         */
045:        public class JobDetailBean extends JobDetail implements  BeanNameAware,
046:                ApplicationContextAware, InitializingBean {
047:
048:            private Class actualJobClass;
049:
050:            private String beanName;
051:
052:            private ApplicationContext applicationContext;
053:
054:            private String applicationContextJobDataKey;
055:
056:            /**
057:             * Overridden to support any job class, to allow a custom JobFactory
058:             * to adapt the given job class to the Quartz Job interface.
059:             * @see SchedulerFactoryBean#setJobFactory
060:             */
061:            public void setJobClass(Class jobClass) {
062:                if (jobClass != null && !Job.class.isAssignableFrom(jobClass)) {
063:                    super .setJobClass(DelegatingJob.class);
064:                    this .actualJobClass = jobClass;
065:                } else {
066:                    super .setJobClass(jobClass);
067:                }
068:            }
069:
070:            /**
071:             * Overridden to support any job class, to allow a custom JobFactory
072:             * to adapt the given job class to the Quartz Job interface.
073:             */
074:            public Class getJobClass() {
075:                return (this .actualJobClass != null ? this .actualJobClass
076:                        : super .getJobClass());
077:            }
078:
079:            /**
080:             * Register objects in the JobDataMap via a given Map.
081:             * <p>These objects will be available to this Job only,
082:             * in contrast to objects in the SchedulerContext.
083:             * <p>Note: When using persistent Jobs whose JobDetail will be kept in the
084:             * database, do not put Spring-managed beans or an ApplicationContext
085:             * reference into the JobDataMap but rather into the SchedulerContext.
086:             * @param jobDataAsMap Map with String keys and any objects as values
087:             * (for example Spring-managed beans)
088:             * @see SchedulerFactoryBean#setSchedulerContextAsMap
089:             */
090:            public void setJobDataAsMap(Map jobDataAsMap) {
091:                getJobDataMap().putAll(jobDataAsMap);
092:            }
093:
094:            /**
095:             * Set a list of JobListener names for this job, referring to
096:             * non-global JobListeners registered with the Scheduler.
097:             * <p>A JobListener name always refers to the name returned
098:             * by the JobListener implementation.
099:             * @see SchedulerFactoryBean#setJobListeners
100:             * @see org.quartz.JobListener#getName
101:             */
102:            public void setJobListenerNames(String[] names) {
103:                for (int i = 0; i < names.length; i++) {
104:                    addJobListener(names[i]);
105:                }
106:            }
107:
108:            public void setBeanName(String beanName) {
109:                this .beanName = beanName;
110:            }
111:
112:            public void setApplicationContext(
113:                    ApplicationContext applicationContext) {
114:                this .applicationContext = applicationContext;
115:            }
116:
117:            /**
118:             * Set the key of an ApplicationContext reference to expose in the JobDataMap,
119:             * for example "applicationContext". Default is none.
120:             * Only applicable when running in a Spring ApplicationContext.
121:             * <p>In case of a QuartzJobBean, the reference will be applied to the Job
122:             * instance as bean property. An "applicationContext" attribute will correspond
123:             * to a "setApplicationContext" method in that scenario.
124:             * <p>Note that BeanFactory callback interfaces like ApplicationContextAware
125:             * are not automatically applied to Quartz Job instances, because Quartz
126:             * itself is responsible for the lifecycle of its Jobs.
127:             * <p><b>Note: When using persistent job stores where JobDetail contents will
128:             * be kept in the database, do not put an ApplicationContext reference into
129:             * the JobDataMap but rather into the SchedulerContext.</b>
130:             * @see SchedulerFactoryBean#setApplicationContextSchedulerContextKey
131:             * @see org.springframework.context.ApplicationContext
132:             */
133:            public void setApplicationContextJobDataKey(
134:                    String applicationContextJobDataKey) {
135:                this .applicationContextJobDataKey = applicationContextJobDataKey;
136:            }
137:
138:            public void afterPropertiesSet() {
139:                if (getName() == null) {
140:                    setName(this .beanName);
141:                }
142:                if (getGroup() == null) {
143:                    setGroup(Scheduler.DEFAULT_GROUP);
144:                }
145:                if (this .applicationContextJobDataKey != null) {
146:                    if (this .applicationContext == null) {
147:                        throw new IllegalStateException(
148:                                "JobDetailBean needs to be set up in an ApplicationContext "
149:                                        + "to be able to handle an 'applicationContextJobDataKey'");
150:                    }
151:                    getJobDataMap().put(this.applicationContextJobDataKey,
152:                            this.applicationContext);
153:                }
154:            }
155:
156:        }
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