Source Code Cross Referenced for SimpleTriggerBean.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 2002-2007 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.text.ParseException;
020:        import java.util.Date;
021:        import java.util.Map;
022:
023:        import org.quartz.JobDetail;
024:        import org.quartz.Scheduler;
025:        import org.quartz.SimpleTrigger;
026:
027:        import org.springframework.beans.factory.BeanNameAware;
028:        import org.springframework.beans.factory.InitializingBean;
029:        import org.springframework.core.Constants;
030:
031:        /**
032:         * Convenience subclass of Quartz's {@link org.quartz.SimpleTrigger}
033:         * class, making bean-style usage easier.
034:         *
035:         * <p>SimpleTrigger itself is already a JavaBean but lacks sensible defaults.
036:         * This class uses the Spring bean name as job name, the Quartz default group
037:         * ("DEFAULT") as job group, the current time as start time, and indefinite
038:         * repetition, if not specified.
039:         *
040:         * <p>This class will also register the trigger with the job name and group of
041:         * a given {@link org.quartz.JobDetail}. This allows {@link SchedulerFactoryBean}
042:         * to automatically register a trigger for the corresponding JobDetail,
043:         * instead of registering the JobDetail separately.
044:         *
045:         * <p><b>NOTE:</b> This convenience subclass does not work with trigger
046:         * persistence in Quartz 1.6, due to a change in Quartz's trigger handling.
047:         * Use Quartz 1.5 if you rely on trigger persistence based on this class,
048:         * or the standard Quartz {@link org.quartz.SimpleTrigger} class instead.
049:         *
050:         * @author Juergen Hoeller
051:         * @since 18.02.2004
052:         * @see #setName
053:         * @see #setGroup
054:         * @see #setStartTime
055:         * @see #setJobName
056:         * @see #setJobGroup
057:         * @see #setJobDetail
058:         * @see SchedulerFactoryBean#setTriggers
059:         * @see SchedulerFactoryBean#setJobDetails
060:         * @see CronTriggerBean
061:         */
062:        public class SimpleTriggerBean extends SimpleTrigger implements 
063:                JobDetailAwareTrigger, BeanNameAware, InitializingBean {
064:
065:            /** Constants for the SimpleTrigger class */
066:            private static final Constants constants = new Constants(
067:                    SimpleTrigger.class);
068:
069:            private long startDelay = 0;
070:
071:            private JobDetail jobDetail;
072:
073:            private String beanName;
074:
075:            public SimpleTriggerBean() {
076:                setRepeatCount(REPEAT_INDEFINITELY);
077:            }
078:
079:            /**
080:             * Register objects in the JobDataMap via a given Map.
081:             * <p>These objects will be available to this Trigger only,
082:             * in contrast to objects in the JobDetail's data map.
083:             * @param jobDataAsMap Map with String keys and any objects as values
084:             * (for example Spring-managed beans)
085:             * @see JobDetailBean#setJobDataAsMap
086:             */
087:            public void setJobDataAsMap(Map jobDataAsMap) {
088:                getJobDataMap().putAll(jobDataAsMap);
089:            }
090:
091:            /**
092:             * Set the misfire instruction via the name of the corresponding
093:             * constant in the {@link org.quartz.SimpleTrigger} class.
094:             * Default is <code>MISFIRE_INSTRUCTION_SMART_POLICY</code>.
095:             * @see org.quartz.SimpleTrigger#MISFIRE_INSTRUCTION_FIRE_NOW
096:             * @see org.quartz.SimpleTrigger#MISFIRE_INSTRUCTION_RESCHEDULE_NEXT_WITH_EXISTING_COUNT
097:             * @see org.quartz.SimpleTrigger#MISFIRE_INSTRUCTION_RESCHEDULE_NEXT_WITH_REMAINING_COUNT
098:             * @see org.quartz.SimpleTrigger#MISFIRE_INSTRUCTION_RESCHEDULE_NOW_WITH_EXISTING_REPEAT_COUNT
099:             * @see org.quartz.SimpleTrigger#MISFIRE_INSTRUCTION_RESCHEDULE_NOW_WITH_REMAINING_REPEAT_COUNT
100:             * @see org.quartz.Trigger#MISFIRE_INSTRUCTION_SMART_POLICY
101:             */
102:            public void setMisfireInstructionName(String constantName) {
103:                setMisfireInstruction(constants.asNumber(constantName)
104:                        .intValue());
105:            }
106:
107:            /**
108:             * Set a list of TriggerListener names for this job, referring to
109:             * non-global TriggerListeners registered with the Scheduler.
110:             * <p>A TriggerListener name always refers to the name returned
111:             * by the TriggerListener implementation.
112:             * @see SchedulerFactoryBean#setTriggerListeners
113:             * @see org.quartz.TriggerListener#getName
114:             */
115:            public void setTriggerListenerNames(String[] names) {
116:                for (int i = 0; i < names.length; i++) {
117:                    addTriggerListener(names[i]);
118:                }
119:            }
120:
121:            /**
122:             * Set the delay before starting the job for the first time.
123:             * The given number of milliseconds will be added to the current
124:             * time to calculate the start time. Default is 0.
125:             * <p>This delay will just be applied if no custom start time was
126:             * specified. However, in typical usage within a Spring context,
127:             * the start time will be the container startup time anyway.
128:             * Specifying a relative delay is appropriate in that case.
129:             * @see #setStartTime
130:             */
131:            public void setStartDelay(long startDelay) {
132:                this .startDelay = startDelay;
133:            }
134:
135:            /**
136:             * Set the JobDetail that this trigger should be associated with.
137:             * <p>This is typically used with a bean reference if the JobDetail
138:             * is a Spring-managed bean. Alternatively, the trigger can also
139:             * be associated with a job by name and group.
140:             * @see #setJobName
141:             * @see #setJobGroup
142:             */
143:            public void setJobDetail(JobDetail jobDetail) {
144:                this .jobDetail = jobDetail;
145:            }
146:
147:            public JobDetail getJobDetail() {
148:                return this .jobDetail;
149:            }
150:
151:            public void setBeanName(String beanName) {
152:                this .beanName = beanName;
153:            }
154:
155:            public void afterPropertiesSet() throws ParseException {
156:                if (getName() == null) {
157:                    setName(this .beanName);
158:                }
159:                if (getGroup() == null) {
160:                    setGroup(Scheduler.DEFAULT_GROUP);
161:                }
162:                if (getStartTime() == null) {
163:                    setStartTime(new Date(System.currentTimeMillis()
164:                            + this.startDelay));
165:                }
166:                if (this.jobDetail != null) {
167:                    setJobName(this.jobDetail.getName());
168:                    setJobGroup(this.jobDetail.getGroup());
169:                }
170:            }
171:
172:        }
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