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Improvements to the trigger handler

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Ability to disable trigger action in meta-data, and adds a stateful option

Signed-off-by: WimVelzeboer <wimvelzeboer@protonmail.com>
This commit is contained in:
WimVelzeboer
2021-10-28 15:35:28 +01:00
parent ed87378fba
commit ef77fad3ed
8 changed files with 131 additions and 6 deletions
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sfdx-source/apex-extensions/main/triggerHandler/classes/fflib_TriggerHandler.cls
+27 -2
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@@ -48,6 +48,12 @@ public virtual with sharing class fflib_TriggerHandler
protected fflib_ITriggerContext triggerContext;
/**
* Retain instance of Trigger Action classes implementing stateful
*/
@TestVisible
private static Map<Type, fflib_ITriggerAction> triggerActionStateByClass;
/**
* Provides access to the trigger action configurations and allowing it to be mocked in unit-tests
*/
@@ -101,7 +107,9 @@ public virtual with sharing class fflib_TriggerHandler
fflib_UnitOfWork unitOfWork = new fflib_UnitOfWork();
for (fflib_ITriggerActionConfig triggerActionConfig : configs)
{
fflib_ITriggerAction triggerAction = triggerActionConfig.newInstance();
if (isValidExecutionContext(ctx, triggerActionConfig) == false) continue;
fflib_ITriggerAction triggerAction = getTriggerActionInstance(triggerActionConfig);
triggerAction.setContext(ctx);
triggerAction.setSequence(triggerActionConfig.getSequence());
@@ -117,12 +125,29 @@ public virtual with sharing class fflib_TriggerHandler
unitOfWork.doWork();
}
private Boolean isValidExecutionContext(fflib_ITriggerContext ctx, fflib_ITriggerActionConfig config)
{
return config.hasTriggerContext(ctx.getTriggerOperation());
}
private fflib_ITriggerAction getTriggerActionInstance(fflib_ITriggerActionConfig triggerActionConfig)
{
if (triggerActionConfig.isStateful()
&& triggerActionStateByClass != null
&& triggerActionStateByClass.containsKey(triggerActionConfig.getImplementationType()))
{
return triggerActionStateByClass.get(triggerActionConfig.getImplementationType());
}
return triggerActionConfig.newInstance();
}
@TestVisible
protected void loadConfiguration()
{
if (configs.isEmpty() == false) return;
for (fflib_TriggerAction__mdt action : new fflib_TriggerActionConfigSelector().selectAll())
for (fflib_TriggerAction__mdt action : new fflib_TriggerActionConfigSelector().selectAllActive())
{
configs.add( new fflib_TriggerActionConfig(action));
}