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da8101a5ba
125781 rmunteanu: Merged 5.1.N (5.1.2) to 5.2.N (5.2.1)
125603 rmunteanu: Merged 5.1.1 (5.1.1) to 5.1.N (5.1.2)
125484 slanglois: MNT-16155 Update source headers - remove old Copyrights from Java and JSP dource files
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@127808 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
78 lines
2.8 KiB
Java
78 lines
2.8 KiB
Java
package org.alfresco.repo.web.scripts;
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import org.alfresco.repo.cache.AbstractMTAsynchronouslyRefreshedCache;
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import org.alfresco.repo.transaction.RetryingTransactionHelper;
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import org.alfresco.repo.transaction.RetryingTransactionHelper.RetryingTransactionCallback;
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import org.alfresco.util.PropertyCheck;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.springframework.beans.factory.InitializingBean;
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import org.springframework.beans.factory.ObjectFactory;
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import org.springframework.extensions.webscripts.Registry;
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/**
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* Asynchronously refreshed cache for repository webscripts.
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* <p/>
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* This does not stop gratuitous calls to <i>refresh</i> but will ensure that, once an instance has been created,
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* a version of the registry is returned even if it is slighly out of date. This can be changed so that it waits
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* for reset but is probably not required.
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*
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* @author Derek Hulley
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* @since 4.2.0
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*/
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public class RegistryAsynchronouslyRefreshedCache extends AbstractMTAsynchronouslyRefreshedCache<Registry> implements InitializingBean
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{
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private static Log logger = LogFactory.getLog(RegistryAsynchronouslyRefreshedCache.class);
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private ObjectFactory<Registry> registryFactory;
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private RetryingTransactionHelper retryingTransactionHelper;
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/**
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* @param registryFactory factory for web script registries
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*/
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public void setRegistryFactory(ObjectFactory<Registry> registryFactory)
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{
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this.registryFactory = registryFactory;
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}
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/**
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* @param retryingTransactionHelper the retryingTransactionHelper to set
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*/
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public void setRetryingTransactionHelper(RetryingTransactionHelper retryingTransactionHelper)
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{
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this.retryingTransactionHelper = retryingTransactionHelper;
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}
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@Override
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protected Registry buildCache(final String tenantId)
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{
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return retryingTransactionHelper.doInTransaction(new RetryingTransactionCallback<Registry>()
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{
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@Override
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public Registry execute() throws Throwable
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{
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return doBuildCache(tenantId);
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}
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}, true, false);
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}
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/**
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* This method is thread safe as per contract of {@link #buildCache(String)}.
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*/
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private Registry doBuildCache(String tenantId)
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{
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Registry registry = registryFactory.getObject();
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registry.reset();
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logger.info("Fetching web script registry for tenant " + tenantId);
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return registry;
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}
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@Override
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public void afterPropertiesSet() throws Exception
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{
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PropertyCheck.mandatory(this, "registryFactory", registryFactory);
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PropertyCheck.mandatory(this, "retryingTransactionHelper", retryingTransactionHelper);
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super.afterPropertiesSet();
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}
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}
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