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* SPR-7022: Support initial delay attribute for scheduled tasks Polish scheduled task execution infrastructurepull/84/head
Chris Beams
14 years ago
18 changed files with 758 additions and 186 deletions
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/* |
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* Copyright 2002-2012 the original author or authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.springframework.scheduling.config; |
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import org.springframework.scheduling.annotation.Scheduled; |
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import org.springframework.scheduling.support.CronTrigger; |
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/** |
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* {@link TriggerTask} implementation defining a {@code Runnable} to be executed according |
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* to a {@linkplain org.springframework.scheduling.support.CronSequenceGenerator standard |
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* cron expression}. |
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* |
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* @author Chris Beams |
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* @since 3.2 |
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* @see Scheduled#cron() |
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* @see ScheduledTaskRegistrar#setCronTasksList(java.util.List) |
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* @see org.springframework.scheduling.TaskScheduler |
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*/ |
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public class CronTask extends TriggerTask { |
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private String expression; |
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/** |
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* Create a new {@code CronTask}. |
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* @param runnable the underlying task to execute |
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* @param expression cron expression defining when the task should be executed |
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*/ |
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public CronTask(Runnable runnable, String expression) { |
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this(runnable, new CronTrigger(expression)); |
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} |
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/** |
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* Create a new {@code CronTask}. |
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* @param runnable the underlying task to execute |
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* @param cronTrigger the cron trigger defining when the task should be executed |
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*/ |
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public CronTask(Runnable runnable, CronTrigger cronTrigger) { |
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super(runnable, cronTrigger); |
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this.expression = cronTrigger.getExpression(); |
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} |
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public String getExpression() { |
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return expression; |
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} |
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} |
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/* |
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* Copyright 2002-2012 the original author or authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.springframework.scheduling.config; |
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/** |
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* {@link Task} implementation defining a {@code Runnable} to be executed at a given |
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* millisecond interval which may be treated as fixed-rate or fixed-delay depending on |
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* context. |
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* |
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* @author Chris Beams |
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* @since 3.2 |
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* @see org.springframework.scheduling.annotation.Scheduled#fixedRate() |
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* @see org.springframework.scheduling.annotation.Scheduled#fixedDelay() |
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* @see ScheduledTaskRegistrar#setFixedRateTasksList(java.util.List) |
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* @see ScheduledTaskRegistrar#setFixedDelayTasksList(java.util.List) |
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* @see org.springframework.scheduling.TaskScheduler |
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*/ |
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public class IntervalTask extends Task { |
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private final long interval; |
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private final long initialDelay; |
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/** |
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* Create a new {@code IntervalTask}. |
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* @param runnable the underlying task to execute |
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* @param interval how often in milliseconds the task should be executed |
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* @param initialDelay initial delay before first execution of the task |
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*/ |
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public IntervalTask(Runnable runnable, long interval, long initialDelay) { |
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super(runnable); |
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this.initialDelay = initialDelay; |
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this.interval = interval; |
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} |
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/** |
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* Create a new {@code IntervalTask} with no initial delay. |
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* @param runnable the underlying task to execute |
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* @param interval how often in milliseconds the task should be executed |
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*/ |
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public IntervalTask(Runnable runnable, long interval) { |
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this(runnable, interval, 0); |
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} |
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public long getInterval() { |
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return interval; |
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} |
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public long getInitialDelay() { |
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return initialDelay; |
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} |
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} |
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/* |
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* Copyright 2002-2012 the original author or authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.springframework.scheduling.config; |
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/** |
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* Holder class defining a {@code Runnable} to be executed as a task, typically at a |
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* scheduled time or interval. See subclass hierarchy for various scheduling approaches. |
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* |
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* @author Chris Beams |
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* @since 3.2 |
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*/ |
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public class Task { |
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private final Runnable runnable; |
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/** |
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* Create a new {@code Task}. |
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* @param runnable the underlying task to execute. |
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*/ |
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public Task(Runnable runnable) { |
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this.runnable = runnable; |
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} |
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public Runnable getRunnable() { |
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return runnable; |
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} |
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} |
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/* |
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* Copyright 2002-2012 the original author or authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.springframework.scheduling.config; |
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import org.springframework.scheduling.Trigger; |
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/** |
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* {@link Task} implementation defining a {@code Runnable} to be executed according to a |
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* given {@link Trigger}. |
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* |
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* @author Chris Beams |
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* @since 3.2 |
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* @see Trigger#nextExecutionTime(org.springframework.scheduling.TriggerContext) |
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* @see ScheduledTaskRegistrar#setTriggerTasksList(java.util.List) |
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* @see org.springframework.scheduling.TaskScheduler#schedule(Runnable, Trigger) |
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*/ |
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public class TriggerTask extends Task { |
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private final Trigger trigger; |
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/** |
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* Create a new {@link TriggerTask}. |
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* @param runnable the underlying task to execute |
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* @param trigger specifies when the task should be executed |
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*/ |
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public TriggerTask(Runnable runnable, Trigger trigger) { |
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super(runnable); |
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this.trigger = trigger; |
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} |
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public Trigger getTrigger() { |
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return trigger; |
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} |
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} |
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