A trigger handler based on trigger actions configured via custom metadata. It separates the trigger logic per class, and is utilizing the fflib_UnitOfWork to execute the trigger actions. Signed-off-by: WimVelzeboer <wimvelzeboer@protonmail.com>
97 lines
3.6 KiB
OpenEdge ABL
97 lines
3.6 KiB
OpenEdge ABL
/**
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* File Name: fflib_TriggerAction
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*
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* @author architect ir. Wilhelmus G.J. Velzeboer
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*
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* Copyright (c), W.G.J. Velzeboer,
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above author notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of the author nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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public abstract inherited sharing class fflib_TriggerAction
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extends fflib_DoWork
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implements fflib_ITriggerAction
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{
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protected fflib_ITriggerContext triggerContext;
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/**
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* Override this to perform logic during the after delete phase, this is called by the handleAfterDelete method
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**/
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public virtual void onAfterDelete() { }
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/**
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* Override this to perform logic during the after insert phase, this is called by the handleAfterInsert method
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**/
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public virtual void onAfterInsert() { }
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/**
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* Override this to perform logic during the after undelete phase, this is called by the handleAfterDelete method
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**/
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public virtual void onAfterUnDelete() { }
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/**
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* Override this to perform logic during the after update phase, this is called by the handleAfterUpdate method
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**/
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public virtual void onAfterUpdate() { }
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/**
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* Override this to perform logic during the before delete phase, this is called by the handleBeforeDelete method
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**/
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public virtual void onBeforeDelete() { }
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/**
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* Override this to perform logic during the before insert phase, this is called by the handleBeforeInsert method
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**/
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public virtual void onBeforeInsert() { }
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/**
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* Override this to perform logic during the before update phase, this is called by the handleBeforeUpdate method
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**/
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public virtual void onBeforeUpdate() { }
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public void doWork()
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{
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switch on this.triggerContext.getTriggerOperation()
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{
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when AFTER_DELETE { onAfterDelete(); }
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when AFTER_INSERT { onAfterInsert(); }
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when AFTER_UNDELETE { onAfterUndelete(); }
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when AFTER_UPDATE { onAfterUpdate(); }
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when BEFORE_DELETE { onBeforeDelete(); }
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when BEFORE_INSERT { onBeforeInsert(); }
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when BEFORE_UPDATE { onBeforeUpdate(); }
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}
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}
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/**
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* Method used by the TriggerHandler and us to pass in the trigger context
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*
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* @param ctx Instance of fflib_ITriggerContext
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*
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* @return Instance of itself to allow for method chaining
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*/
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public fflib_ITriggerAction setContext(fflib_ITriggerContext ctx)
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{
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this.triggerContext = ctx;
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return this;
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}
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} |