mirror of
https://github.com/Alfresco/alfresco-community-repo.git
synced 2025-08-07 17:49:17 +00:00
Formatted Alfresco-style
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@22322 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Derek Hulley
@@ -26,7 +26,6 @@ import java.util.Date;
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import java.util.List;
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import java.util.List;
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import java.util.StringTokenizer;
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import java.util.StringTokenizer;
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import org.alfresco.repo.cache.EhCacheAdapter;
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import org.alfresco.repo.cache.SimpleCache;
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import org.alfresco.repo.cache.SimpleCache;
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import org.alfresco.repo.security.authentication.AuthenticationUtil;
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import org.alfresco.repo.security.authentication.AuthenticationUtil;
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import org.alfresco.repo.security.authentication.AuthenticationUtil.RunAsWork;
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import org.alfresco.repo.security.authentication.AuthenticationUtil.RunAsWork;
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@@ -51,462 +50,461 @@ import org.apache.commons.logging.LogFactory;
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*/
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*/
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public class ActionTrackingServiceImpl implements ActionTrackingService
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public class ActionTrackingServiceImpl implements ActionTrackingService
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{
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{
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/**
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/**
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* The logger
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* The logger
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*/
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*/
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private static Log logger = LogFactory.getLog(ActionTrackingServiceImpl.class);
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private static Log logger = LogFactory.getLog(ActionTrackingServiceImpl.class);
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private SimpleCache<String, ExecutionDetails> executingActionsCache;
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private SimpleCache<String, ExecutionDetails> executingActionsCache;
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private TransactionService transactionService;
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private RuntimeActionService runtimeActionService;
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private TransactionService transactionService;
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/**
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private RuntimeActionService runtimeActionService;
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* Doesn't need to be cluster unique, is just used to try to reduce the
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* chance of clashes in the quickest and easiest way.
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*/
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private short nextExecutionId = 1;
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private short wrapExecutionIdAfter = Short.MAX_VALUE / 2;
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/** How we separate bits of the cache key */
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private static final char cacheKeyPartSeparator = '=';
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/**
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/**
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* Doesn't need to be cluster unique, is just used
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* Set the transaction service
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* to try to reduce the chance of clashes in the
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*
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* quickest and easiest way.
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* @param transactionService the transaction service
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*/
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*/
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private short nextExecutionId = 1;
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public void setTransactionService(TransactionService transactionService)
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private short wrapExecutionIdAfter = Short.MAX_VALUE/2;
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{
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this.transactionService = transactionService;
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}
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/** How we separate bits of the cache key */
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/**
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private static final char cacheKeyPartSeparator = '=';
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* Set the runtime action service
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*
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* @param runtimeActionService the runtime action service
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*/
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public void setRuntimeActionService(RuntimeActionService runtimeActionService)
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{
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this.runtimeActionService = runtimeActionService;
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}
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/**
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/**
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* Set the transaction service
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* Sets the cache used to store details of currently executing actions,
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*
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* cluster wide.
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* @param transactionService the transaction service
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*/
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*/
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public void setExecutingActionsCache(SimpleCache<String, ExecutionDetails> executingActionsCache)
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public void setTransactionService(TransactionService transactionService)
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{
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{
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this.executingActionsCache = executingActionsCache;
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this.transactionService = transactionService;
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}
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}
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/**
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/** Used by unit tests only */
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* Set the runtime action service
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protected void resetNextExecutionId()
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*
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{
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* @param runtimeActionService the runtime action service
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this.nextExecutionId = 1;
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*/
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}
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public void setRuntimeActionService(RuntimeActionService runtimeActionService)
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{
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this.runtimeActionService = runtimeActionService;
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}
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/**
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public void recordActionPending(Action action)
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* Sets the cache used to store details of
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{
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* currently executing actions, cluster wide.
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recordActionPending((ActionImpl) action);
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*/
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}
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public void setExecutingActionsCache(SimpleCache<String, ExecutionDetails> executingActionsCache)
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{
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this.executingActionsCache = executingActionsCache;
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}
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public void recordActionPending(ActionImpl action)
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{
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// Set the status
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action.setExecutionStatus(ActionStatus.Pending);
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/** Used by unit tests only */
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// Mark it as not having started quite yet
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protected void resetNextExecutionId() {
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action.setExecutionStartDate(null);
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this.nextExecutionId = 1;
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}
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// Have it put into the cache, so we can tell it
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// is waiting to be run
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placeActionInCache(action);
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}
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public void recordActionPending(Action action)
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public void recordActionComplete(Action action)
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{
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{
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recordActionPending((ActionImpl)action);
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recordActionComplete((ActionImpl) action);
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}
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}
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public void recordActionPending(ActionImpl action)
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{
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// Set the status
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action.setExecutionStatus(ActionStatus.Pending);
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// Mark it as not having started quite yet
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private void recordActionComplete(ActionImpl action)
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action.setExecutionStartDate(null);
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{
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if (logger.isDebugEnabled() == true)
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{
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logger.debug("Action " + action + " has completed execution");
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}
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// Have it put into the cache, so we can tell it
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// Mark it as having worked
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// is waiting to be run
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action.setExecutionEndDate(new Date());
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placeActionInCache(action);
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action.setExecutionStatus(ActionStatus.Completed);
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}
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action.setExecutionFailureMessage(null);
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if (action.getNodeRef() != null)
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{
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runtimeActionService.saveActionImpl(action.getNodeRef(), action);
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}
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public void recordActionComplete(Action action)
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// Remove it from the cache, as it's finished
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{
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String key = generateCacheKey(action);
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recordActionComplete((ActionImpl)action);
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executingActionsCache.remove(key);
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}
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}
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private void recordActionComplete(ActionImpl action)
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{
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if (logger.isDebugEnabled() == true)
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{
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logger.debug("Action " + action + " has completed execution");
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}
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// Mark it as having worked
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public void recordActionExecuting(Action action)
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action.setExecutionEndDate(new Date());
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{
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action.setExecutionStatus(ActionStatus.Completed);
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recordActionExecuting((ActionImpl) action);
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action.setExecutionFailureMessage(null);
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}
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if(action.getNodeRef() != null)
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{
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runtimeActionService.saveActionImpl(action.getNodeRef(), action);
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}
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// Remove it from the cache, as it's finished
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private void recordActionExecuting(ActionImpl action)
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String key = generateCacheKey(action);
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{
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executingActionsCache.remove(key);
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if (logger.isDebugEnabled() == true)
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}
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{
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logger.debug("Action " + action + " with provisional key " + generateCacheKey(action)
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+ " has begun exection");
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}
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public void recordActionExecuting(Action action)
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// Grab what status it was before
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{
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ActionStatus previousStatus = action.getExecutionStatus();
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recordActionExecuting((ActionImpl)action);
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}
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private void recordActionExecuting(ActionImpl action)
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{
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if (logger.isDebugEnabled() == true)
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{
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logger.debug("Action " + action + " with provisional key " + generateCacheKey(action) + " has begun exection");
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}
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// Grab what status it was before
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// Mark the action as starting
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ActionStatus previousStatus = action.getExecutionStatus();
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action.setExecutionStartDate(new Date());
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action.setExecutionStatus(ActionStatus.Running);
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// Mark the action as starting
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// If it's a synchronous execution, put it into the cache
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action.setExecutionStartDate(new Date());
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if (previousStatus != ActionStatus.Pending)
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action.setExecutionStatus(ActionStatus.Running);
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{
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placeActionInCache(action);
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}
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else
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{
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// If it's async, update the existing cache entry
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String key = generateCacheKey(action);
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ExecutionDetails details = executingActionsCache.get(key);
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// If it's a synchronous execution, put it into the cache
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// Check it's really there, warn + fix if not
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if(previousStatus != ActionStatus.Pending)
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if (details == null)
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{
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{
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placeActionInCache(action);
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logger.warn("Went to mark the start of execution of " + action + " with key " + key
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}
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+ " but it wasn't in the running actions cache! "
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else
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+ "Your running actions cache is probably too small");
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{
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// If it's async, update the existing cache entry
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String key = generateCacheKey(action);
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ExecutionDetails details = executingActionsCache.get(key);
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// Check it's really there, warn + fix if not
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if(details == null) {
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logger.warn(
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"Went to mark the start of execution of " +
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action + " with key " + key +
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" but it wasn't in the running actions cache! " +
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"Your running actions cache is probably too small"
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);
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}
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// Update and save into the cache
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details = buildExecutionDetails(action);
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executingActionsCache.put(key, details);
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}
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}
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/**
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* For an action that needs to go into the cache
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* (async action that is pending, or sync action
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* that is running), assign an execution instance
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* and put into the cache
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*/
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private void placeActionInCache(ActionImpl action)
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{
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// Assign it a (unique) execution ID
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// (Keep checking to see if the key is used as we
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// increase nextExecutionId until it isn't)
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String key = null;
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boolean assigned = false;
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while(!assigned) {
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// Try
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action.setExecutionInstance(nextExecutionId++);
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key = generateCacheKey(action);
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// Is it ok?
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if(executingActionsCache.get(key) == null) {
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assigned = true;
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}
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// Do we need to wrap?
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// (Wrap before absolutely needed, makes things simpler)
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if(nextExecutionId > wrapExecutionIdAfter) {
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synchronized (this) {
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while(nextExecutionId > wrapExecutionIdAfter) {
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nextExecutionId -= wrapExecutionIdAfter;
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}
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}
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}
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}
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}
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// Put it into the cache
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// Update and save into the cache
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ExecutionDetails details = buildExecutionDetails(action);
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details = buildExecutionDetails(action);
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executingActionsCache.put(key, details);
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executingActionsCache.put(key, details);
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}
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}
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if (logger.isDebugEnabled() == true)
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/**
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{
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* For an action that needs to go into the cache (async action that is
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logger.debug("Action " + action + " with key " + key + " placed into execution cache");
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* pending, or sync action that is running), assign an execution instance
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}
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* and put into the cache
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}
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*/
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private void placeActionInCache(ActionImpl action)
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{
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// Assign it a (unique) execution ID
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// (Keep checking to see if the key is used as we
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// increase nextExecutionId until it isn't)
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String key = null;
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boolean assigned = false;
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while (!assigned)
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{
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// Try
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action.setExecutionInstance(nextExecutionId++);
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key = generateCacheKey(action);
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/**
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// Is it ok?
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* Schedule the recording of the action failure to occur
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if (executingActionsCache.get(key) == null)
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* in another transaction
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{
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*/
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assigned = true;
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public void recordActionFailure(Action action, Throwable exception)
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{
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if (logger.isDebugEnabled() == true)
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{
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if(exception instanceof ActionCancelledException)
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{
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logger.debug("Will shortly record completed cancellation of action " + action);
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}
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else
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{
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logger.debug("Will shortly record failure of action " + action + " due to " + exception.getMessage());
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}
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}
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// Record when it finished
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((ActionImpl)action).setExecutionEndDate(new Date());
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// Record it as Failed or Cancelled, depending on the exception
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if(exception instanceof ActionCancelledException)
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{
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((ActionImpl)action).setExecutionStatus(ActionStatus.Cancelled);
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((ActionImpl)action).setExecutionFailureMessage(null);
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}
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else
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{
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((ActionImpl)action).setExecutionStatus(ActionStatus.Failed);
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((ActionImpl)action).setExecutionFailureMessage(exception.getMessage());
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}
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// Remove it from the cache, as it's no longer running
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String key = generateCacheKey(action);
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executingActionsCache.remove(key);
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// Do we need to update the persisted details?
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if(action.getNodeRef() != null)
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{
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// Take a local copy of the details
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// (That way, if someone has a reference to the
|
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// action and plays with it, we still save the
|
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// correct information)
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final String actionId = action.getId();
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final Date startedAt = action.getExecutionStartDate();
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final Date endedAt = action.getExecutionEndDate();
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final String message = action.getExecutionFailureMessage();
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final NodeRef actionNode = action.getNodeRef();
|
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|
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// Have the details updated on the action as soon
|
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// as the transaction has finished rolling back
|
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AlfrescoTransactionSupport.bindListener(
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|
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new TransactionListenerAdapter() {
|
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public void afterRollback()
|
|
||||||
{
|
|
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transactionService.getRetryingTransactionHelper().doInTransaction(
|
|
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new RetryingTransactionCallback<Object>()
|
|
||||||
{
|
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public Object execute() throws Throwable
|
|
||||||
{
|
|
||||||
// Update the action as the system user
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|
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return AuthenticationUtil.runAs(new RunAsWork<Action>() {
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|
||||||
public Action doWork() throws Exception
|
|
||||||
{
|
|
||||||
// Grab the latest version of the action
|
|
||||||
ActionImpl action = (ActionImpl)
|
|
||||||
runtimeActionService.createAction(actionNode);
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||||||
|
|
||||||
// Update it
|
|
||||||
action.setExecutionStartDate(startedAt);
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|
||||||
action.setExecutionEndDate(endedAt);
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|
||||||
action.setExecutionStatus(ActionStatus.Failed);
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|
||||||
action.setExecutionFailureMessage(message);
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|
||||||
runtimeActionService.saveActionImpl(actionNode, action);
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|
||||||
|
|
||||||
if (logger.isDebugEnabled() == true)
|
|
||||||
{
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|
||||||
logger.debug("Recorded failure of action " + actionId + ", node " + actionNode + " due to " + message);
|
|
||||||
}
|
|
||||||
|
|
||||||
// All done
|
|
||||||
return action;
|
|
||||||
}
|
|
||||||
}, AuthenticationUtil.SYSTEM_USER_NAME);
|
|
||||||
}
|
|
||||||
}, false, true
|
|
||||||
);
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
public boolean isCancellationRequested(CancellableAction action)
|
// Do we need to wrap?
|
||||||
{
|
// (Wrap before absolutely needed, makes things simpler)
|
||||||
// If the action isn't in the cache, but is of
|
if (nextExecutionId > wrapExecutionIdAfter)
|
||||||
// status executing, then put it back into the
|
{
|
||||||
// cache and warn
|
synchronized (this)
|
||||||
// (Probably means the cache is too small)
|
{
|
||||||
String key = generateCacheKey(action);
|
while (nextExecutionId > wrapExecutionIdAfter)
|
||||||
ExecutionDetails details = getExecutionDetails(buildExecutionSummary(key));
|
{
|
||||||
if(details == null) {
|
nextExecutionId -= wrapExecutionIdAfter;
|
||||||
Exception e = new Exception("Cancellation status missing from cache");
|
}
|
||||||
e.fillInStackTrace();
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
logger.warn(
|
// Put it into the cache
|
||||||
"Unable to check cancellation status for running action " +
|
ExecutionDetails details = buildExecutionDetails(action);
|
||||||
action + " with execution key " + key +
|
executingActionsCache.put(key, details);
|
||||||
" as it wasn't in the running actions cache! " +
|
|
||||||
"Your running actions cache is probably too small",
|
|
||||||
e
|
|
||||||
);
|
|
||||||
|
|
||||||
// Re-generate
|
if (logger.isDebugEnabled() == true)
|
||||||
details = buildExecutionDetails(action);
|
{
|
||||||
|
logger.debug("Action " + action + " with key " + key + " placed into execution cache");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
// Re-save into the cache, so it's there for
|
/**
|
||||||
// next time
|
* Schedule the recording of the action failure to occur in another
|
||||||
executingActionsCache.put(key, details);
|
* transaction
|
||||||
}
|
*/
|
||||||
|
public void recordActionFailure(Action action, Throwable exception)
|
||||||
|
{
|
||||||
|
if (logger.isDebugEnabled() == true)
|
||||||
|
{
|
||||||
|
if (exception instanceof ActionCancelledException)
|
||||||
|
{
|
||||||
|
logger.debug("Will shortly record completed cancellation of action " + action);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
logger.debug("Will shortly record failure of action " + action + " due to "
|
||||||
|
+ exception.getMessage());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
// Check the cached details, and see if cancellation
|
// Record when it finished
|
||||||
// has been requested
|
((ActionImpl) action).setExecutionEndDate(new Date());
|
||||||
return details.isCancelRequested();
|
|
||||||
}
|
|
||||||
|
|
||||||
public void requestActionCancellation(CancellableAction action)
|
// Record it as Failed or Cancelled, depending on the exception
|
||||||
{
|
if (exception instanceof ActionCancelledException)
|
||||||
requestActionCancellation(
|
{
|
||||||
generateCacheKey(action)
|
((ActionImpl) action).setExecutionStatus(ActionStatus.Cancelled);
|
||||||
);
|
((ActionImpl) action).setExecutionFailureMessage(null);
|
||||||
}
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
((ActionImpl) action).setExecutionStatus(ActionStatus.Failed);
|
||||||
|
((ActionImpl) action).setExecutionFailureMessage(exception.getMessage());
|
||||||
|
}
|
||||||
|
|
||||||
public void requestActionCancellation(ExecutionSummary executionSummary)
|
// Remove it from the cache, as it's no longer running
|
||||||
{
|
String key = generateCacheKey(action);
|
||||||
requestActionCancellation(
|
executingActionsCache.remove(key);
|
||||||
generateCacheKey(executionSummary)
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
private void requestActionCancellation(String actionKey)
|
// Do we need to update the persisted details?
|
||||||
{
|
if (action.getNodeRef() != null)
|
||||||
// See if the action is in the cache
|
{
|
||||||
ExecutionDetails details = executingActionsCache.get(actionKey);
|
// Take a local copy of the details
|
||||||
|
// (That way, if someone has a reference to the
|
||||||
|
// action and plays with it, we still save the
|
||||||
|
// correct information)
|
||||||
|
final String actionId = action.getId();
|
||||||
|
final Date startedAt = action.getExecutionStartDate();
|
||||||
|
final Date endedAt = action.getExecutionEndDate();
|
||||||
|
final String message = action.getExecutionFailureMessage();
|
||||||
|
final NodeRef actionNode = action.getNodeRef();
|
||||||
|
|
||||||
if(details == null) {
|
// Have the details updated on the action as soon
|
||||||
// It isn't in the cache, so nothing to do
|
// as the transaction has finished rolling back
|
||||||
return;
|
AlfrescoTransactionSupport.bindListener(new TransactionListenerAdapter()
|
||||||
}
|
{
|
||||||
|
public void afterRollback()
|
||||||
|
{
|
||||||
|
transactionService.getRetryingTransactionHelper().doInTransaction(
|
||||||
|
new RetryingTransactionCallback<Object>()
|
||||||
|
{
|
||||||
|
public Object execute() throws Throwable
|
||||||
|
{
|
||||||
|
// Update the action as the system user
|
||||||
|
return AuthenticationUtil.runAs(new RunAsWork<Action>()
|
||||||
|
{
|
||||||
|
public Action doWork() throws Exception
|
||||||
|
{
|
||||||
|
// Grab the latest version of the
|
||||||
|
// action
|
||||||
|
ActionImpl action = (ActionImpl) runtimeActionService
|
||||||
|
.createAction(actionNode);
|
||||||
|
|
||||||
// Since it is, update the cancelled flag on it
|
// Update it
|
||||||
details.requestCancel();
|
action.setExecutionStartDate(startedAt);
|
||||||
|
action.setExecutionEndDate(endedAt);
|
||||||
|
action.setExecutionStatus(ActionStatus.Failed);
|
||||||
|
action.setExecutionFailureMessage(message);
|
||||||
|
runtimeActionService.saveActionImpl(actionNode, action);
|
||||||
|
|
||||||
// Save the flag to the cache
|
if (logger.isDebugEnabled() == true)
|
||||||
executingActionsCache.put(actionKey, details);
|
{
|
||||||
}
|
logger.debug("Recorded failure of action "
|
||||||
|
+ actionId + ", node " + actionNode
|
||||||
|
+ " due to " + message);
|
||||||
|
}
|
||||||
|
|
||||||
|
// All done
|
||||||
|
return action;
|
||||||
|
}
|
||||||
|
}, AuthenticationUtil.SYSTEM_USER_NAME);
|
||||||
|
}
|
||||||
|
}, false, true);
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
public List<ExecutionSummary> getAllExecutingActions() {
|
public boolean isCancellationRequested(CancellableAction action)
|
||||||
Collection<String> actions = executingActionsCache.getKeys();
|
{
|
||||||
List<ExecutionSummary> details = new ArrayList<ExecutionSummary>(actions.size());
|
// If the action isn't in the cache, but is of
|
||||||
for(String key : actions) {
|
// status executing, then put it back into the
|
||||||
details.add( buildExecutionSummary(key) );
|
// cache and warn
|
||||||
}
|
// (Probably means the cache is too small)
|
||||||
return details;
|
String key = generateCacheKey(action);
|
||||||
}
|
ExecutionDetails details = getExecutionDetails(buildExecutionSummary(key));
|
||||||
|
if (details == null)
|
||||||
|
{
|
||||||
|
Exception e = new Exception("Cancellation status missing from cache");
|
||||||
|
e.fillInStackTrace();
|
||||||
|
|
||||||
public List<ExecutionSummary> getExecutingActions(Action action) {
|
logger.warn("Unable to check cancellation status for running action " + action
|
||||||
Collection<String> actions = executingActionsCache.getKeys();
|
+ " with execution key " + key + " as it wasn't in the running actions cache! "
|
||||||
List<ExecutionSummary> details = new ArrayList<ExecutionSummary>();
|
+ "Your running actions cache is probably too small", e);
|
||||||
String match = action.getActionDefinitionName() + cacheKeyPartSeparator +
|
|
||||||
action.getId() + cacheKeyPartSeparator;
|
|
||||||
for(String key : actions) {
|
|
||||||
if(key.startsWith(match)) {
|
|
||||||
details.add( buildExecutionSummary(key) );
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return details;
|
|
||||||
}
|
|
||||||
|
|
||||||
public List<ExecutionSummary> getExecutingActions(String type) {
|
// Re-generate
|
||||||
Collection<String> actions = executingActionsCache.getKeys();
|
details = buildExecutionDetails(action);
|
||||||
List<ExecutionSummary> details = new ArrayList<ExecutionSummary>();
|
|
||||||
String match = type + cacheKeyPartSeparator;
|
|
||||||
for(String key : actions) {
|
|
||||||
if(key.startsWith(match)) {
|
|
||||||
details.add( buildExecutionSummary(key) );
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return details;
|
|
||||||
}
|
|
||||||
|
|
||||||
public ExecutionDetails getExecutionDetails(ExecutionSummary executionSummary) {
|
// Re-save into the cache, so it's there for
|
||||||
ExecutionDetails details = executingActionsCache.get(
|
// next time
|
||||||
generateCacheKey(executionSummary)
|
executingActionsCache.put(key, details);
|
||||||
);
|
}
|
||||||
if(details != null) {
|
|
||||||
details.setExecutionSummary(executionSummary);
|
|
||||||
}
|
|
||||||
return details;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
// Check the cached details, and see if cancellation
|
||||||
* Generates the cache key for the specified action.
|
// has been requested
|
||||||
*/
|
return details.isCancelRequested();
|
||||||
protected static String generateCacheKey(Action action)
|
}
|
||||||
{
|
|
||||||
return
|
|
||||||
action.getActionDefinitionName() + cacheKeyPartSeparator +
|
|
||||||
action.getId() + cacheKeyPartSeparator +
|
|
||||||
((ActionImpl)action).getExecutionInstance()
|
|
||||||
;
|
|
||||||
}
|
|
||||||
protected static String generateCacheKey(ExecutionSummary summary)
|
|
||||||
{
|
|
||||||
return
|
|
||||||
summary.getActionType() + cacheKeyPartSeparator +
|
|
||||||
summary.getActionId() + cacheKeyPartSeparator +
|
|
||||||
summary.getExecutionInstance()
|
|
||||||
;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
public void requestActionCancellation(CancellableAction action)
|
||||||
* Builds up the details to be stored in a cache
|
{
|
||||||
* for a specific action
|
requestActionCancellation(generateCacheKey(action));
|
||||||
*/
|
}
|
||||||
protected static ExecutionDetails buildExecutionDetails(Action action)
|
|
||||||
{
|
|
||||||
// Where are we running?
|
|
||||||
if(machineName == null) {
|
|
||||||
try {
|
|
||||||
InetAddress localhost = InetAddress.getLocalHost();
|
|
||||||
machineName = localhost.getHostAddress() + " : " +
|
|
||||||
localhost.getHostName();
|
|
||||||
} catch(UnknownHostException e) {
|
|
||||||
machineName = "(machine details unavailable - server IP not known)";
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Generate
|
public void requestActionCancellation(ExecutionSummary executionSummary)
|
||||||
return new ExecutionDetails(
|
{
|
||||||
buildExecutionSummary(action),
|
requestActionCancellation(generateCacheKey(executionSummary));
|
||||||
action.getNodeRef(), machineName,
|
}
|
||||||
action.getExecutionStartDate(), false
|
|
||||||
);
|
|
||||||
}
|
|
||||||
private static String machineName = null;
|
|
||||||
|
|
||||||
/**
|
private void requestActionCancellation(String actionKey)
|
||||||
* Turns a cache key back into its constituent
|
{
|
||||||
* parts, for easier access.
|
// See if the action is in the cache
|
||||||
*/
|
ExecutionDetails details = executingActionsCache.get(actionKey);
|
||||||
protected static ExecutionSummary buildExecutionSummary(String key)
|
|
||||||
{
|
|
||||||
StringTokenizer st = new StringTokenizer(key, new String(new char[]{cacheKeyPartSeparator}));
|
|
||||||
String actionType = st.nextToken();
|
|
||||||
String actionId = st.nextToken();
|
|
||||||
int executionInstance = Integer.parseInt(st.nextToken());
|
|
||||||
|
|
||||||
return new ExecutionSummary(actionType, actionId, executionInstance);
|
if (details == null)
|
||||||
}
|
{
|
||||||
protected static ExecutionSummary buildExecutionSummary(Action action)
|
// It isn't in the cache, so nothing to do
|
||||||
{
|
return;
|
||||||
return new ExecutionSummary(
|
}
|
||||||
action.getActionDefinitionName(),
|
|
||||||
action.getId(),
|
// Since it is, update the cancelled flag on it
|
||||||
((ActionImpl)action).getExecutionInstance()
|
details.requestCancel();
|
||||||
);
|
|
||||||
}
|
// Save the flag to the cache
|
||||||
|
executingActionsCache.put(actionKey, details);
|
||||||
|
}
|
||||||
|
|
||||||
|
public List<ExecutionSummary> getAllExecutingActions()
|
||||||
|
{
|
||||||
|
Collection<String> actions = executingActionsCache.getKeys();
|
||||||
|
List<ExecutionSummary> details = new ArrayList<ExecutionSummary>(actions.size());
|
||||||
|
for (String key : actions)
|
||||||
|
{
|
||||||
|
details.add(buildExecutionSummary(key));
|
||||||
|
}
|
||||||
|
return details;
|
||||||
|
}
|
||||||
|
|
||||||
|
public List<ExecutionSummary> getExecutingActions(Action action)
|
||||||
|
{
|
||||||
|
Collection<String> actions = executingActionsCache.getKeys();
|
||||||
|
List<ExecutionSummary> details = new ArrayList<ExecutionSummary>();
|
||||||
|
String match = action.getActionDefinitionName() + cacheKeyPartSeparator + action.getId()
|
||||||
|
+ cacheKeyPartSeparator;
|
||||||
|
for (String key : actions)
|
||||||
|
{
|
||||||
|
if (key.startsWith(match))
|
||||||
|
{
|
||||||
|
details.add(buildExecutionSummary(key));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return details;
|
||||||
|
}
|
||||||
|
|
||||||
|
public List<ExecutionSummary> getExecutingActions(String type)
|
||||||
|
{
|
||||||
|
Collection<String> actions = executingActionsCache.getKeys();
|
||||||
|
List<ExecutionSummary> details = new ArrayList<ExecutionSummary>();
|
||||||
|
String match = type + cacheKeyPartSeparator;
|
||||||
|
for (String key : actions)
|
||||||
|
{
|
||||||
|
if (key.startsWith(match))
|
||||||
|
{
|
||||||
|
details.add(buildExecutionSummary(key));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return details;
|
||||||
|
}
|
||||||
|
|
||||||
|
public ExecutionDetails getExecutionDetails(ExecutionSummary executionSummary)
|
||||||
|
{
|
||||||
|
ExecutionDetails details = executingActionsCache.get(generateCacheKey(executionSummary));
|
||||||
|
if (details != null)
|
||||||
|
{
|
||||||
|
details.setExecutionSummary(executionSummary);
|
||||||
|
}
|
||||||
|
return details;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Generates the cache key for the specified action.
|
||||||
|
*/
|
||||||
|
protected static String generateCacheKey(Action action)
|
||||||
|
{
|
||||||
|
return action.getActionDefinitionName() + cacheKeyPartSeparator + action.getId()
|
||||||
|
+ cacheKeyPartSeparator + ((ActionImpl) action).getExecutionInstance();
|
||||||
|
}
|
||||||
|
|
||||||
|
protected static String generateCacheKey(ExecutionSummary summary)
|
||||||
|
{
|
||||||
|
return summary.getActionType() + cacheKeyPartSeparator + summary.getActionId()
|
||||||
|
+ cacheKeyPartSeparator + summary.getExecutionInstance();
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Builds up the details to be stored in a cache for a specific action
|
||||||
|
*/
|
||||||
|
protected static ExecutionDetails buildExecutionDetails(Action action)
|
||||||
|
{
|
||||||
|
// Where are we running?
|
||||||
|
if (machineName == null)
|
||||||
|
{
|
||||||
|
try
|
||||||
|
{
|
||||||
|
InetAddress localhost = InetAddress.getLocalHost();
|
||||||
|
machineName = localhost.getHostAddress() + " : " + localhost.getHostName();
|
||||||
|
}
|
||||||
|
catch (UnknownHostException e)
|
||||||
|
{
|
||||||
|
machineName = "(machine details unavailable - server IP not known)";
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Generate
|
||||||
|
return new ExecutionDetails(buildExecutionSummary(action), action.getNodeRef(),
|
||||||
|
machineName, action.getExecutionStartDate(), false);
|
||||||
|
}
|
||||||
|
|
||||||
|
private static String machineName = null;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Turns a cache key back into its constituent parts, for easier access.
|
||||||
|
*/
|
||||||
|
protected static ExecutionSummary buildExecutionSummary(String key)
|
||||||
|
{
|
||||||
|
StringTokenizer st = new StringTokenizer(key, new String(
|
||||||
|
new char[] { cacheKeyPartSeparator }));
|
||||||
|
String actionType = st.nextToken();
|
||||||
|
String actionId = st.nextToken();
|
||||||
|
int executionInstance = Integer.parseInt(st.nextToken());
|
||||||
|
|
||||||
|
return new ExecutionSummary(actionType, actionId, executionInstance);
|
||||||
|
}
|
||||||
|
|
||||||
|
protected static ExecutionSummary buildExecutionSummary(Action action)
|
||||||
|
{
|
||||||
|
return new ExecutionSummary(action.getActionDefinitionName(), action.getId(),
|
||||||
|
((ActionImpl) action).getExecutionInstance());
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
Reference in New Issue
Block a user