mirror of
https://github.com/Alfresco/alfresco-community-repo.git
synced 2025-10-08 14:51:49 +00:00
Merged 5.1.N (5.1.2) to 5.2.N (5.2.1)
125605 rmunteanu: Merged 5.1.1 (5.1.1) to 5.1.N (5.1.2)
125498 slanglois: MNT-16155 Update source headers - remove svn:eol-style property on Java and JSP source files
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/DEV/5.2.N/root@125783 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Raluca Munteanu
@@ -1,225 +1,225 @@
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package org.alfresco.filesys.repo;
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import java.io.Serializable;
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import java.util.Collection;
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import java.util.Date;
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import org.alfresco.repo.cache.TransactionalCache;
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import org.alfresco.repo.lock.mem.Lifetime;
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import org.alfresco.repo.security.authentication.AuthenticationUtil;
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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.service.cmr.lock.LockService;
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import org.alfresco.service.cmr.lock.LockStatus;
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import org.alfresco.service.cmr.lock.LockType;
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import org.alfresco.service.cmr.repository.NodeRef;
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import org.alfresco.service.transaction.TransactionService;
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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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/**
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* AlfrescoLockKeeperImpl
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* <p>
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* Repository level locking for CIFS, prevents files open via CIFS/FTP/JLAN being interfered with by the alfresco "back end".
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*
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* Delegates ephemeral locking requests to the lockService.
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*
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* @author mrogers
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*
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*/
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public class LockKeeperImpl implements LockKeeper
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{
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private String LOCK_KEEPER_KEY = "AlfrescoLockKeeperImpl";
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private LockService lockService;
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private TransactionService transactionService;
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private TransactionalCache<NodeRef, KeeperInfo> lockKeeperTransactionalCache;
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private int timeToExpire = 3600 * 2; // 2 Hours
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private boolean lockEnabled = true;
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private static final Log logger = LogFactory.getLog(LockKeeperImpl.class);
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public void init()
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{
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PropertyCheck.mandatory(this, "lockService", getLockService());
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PropertyCheck.mandatory(this, "lockKeeperTransactionalCache", getLockKeeperTransactionalCache());
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PropertyCheck.mandatory(this, "transactionService", getTransactionService());
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}
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@Override
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public void addLock(NodeRef nodeRef)
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{
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if(lockEnabled)
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{
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if(logger.isDebugEnabled())
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{
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logger.debug("lock nodeRef:" + nodeRef);
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}
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getLockService().lock(nodeRef, LockType.WRITE_LOCK, getTimeToExpire(), Lifetime.EPHEMERAL, LOCK_KEEPER_KEY);
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lockKeeperTransactionalCache.put(nodeRef, new KeeperInfo(AuthenticationUtil.getFullyAuthenticatedUser()));
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}
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}
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@Override
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public void removeLock(NodeRef nodeRef)
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{
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if(lockEnabled)
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{
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logger.trace("removeLock nodeRef:" + nodeRef);
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getLockService().unlock(nodeRef);
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lockKeeperTransactionalCache.remove(nodeRef);
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}
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}
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@Override
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public void refreshAllLocks()
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{
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Collection<NodeRef> nodes = lockKeeperTransactionalCache.getKeys();
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if(logger.isTraceEnabled())
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{
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logger.trace("RefreshAllLocks called for #locks, " + nodes.size());
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}
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if(!transactionService.getAllowWrite())
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{
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if(logger.isTraceEnabled())
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{
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logger.trace("Repo is read only - do nothing");
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return;
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}
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}
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for(NodeRef nodeRef : nodes)
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{
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final NodeRef nodeRefToRefresh = nodeRef;
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final KeeperInfo keeperInfo = lockKeeperTransactionalCache.get(nodeRefToRefresh);
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final String additionalInfo = lockService.getAdditionalInfo(nodeRefToRefresh);
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transactionService.getRetryingTransactionHelper().doInTransaction(
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new RetryingTransactionCallback<Void>()
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{
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@Override
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public Void execute() throws Throwable
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{
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if(LOCK_KEEPER_KEY.equalsIgnoreCase(additionalInfo))
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{
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// Its one of this class's locks
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AuthenticationUtil.setFullyAuthenticatedUser(keeperInfo.getOwner());
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//TODO What about node does not exist?
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switch (lockService.getLockStatus(nodeRefToRefresh))
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{
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case LOCK_OWNER:
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if(logger.isDebugEnabled())
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{
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logger.debug("refresh ephemeral lock nodeRef: " + nodeRefToRefresh);
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}
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// Expect to go here - refresh the lock
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getLockService().lock(nodeRefToRefresh, LockType.WRITE_LOCK, getTimeToExpire(), Lifetime.EPHEMERAL, LOCK_KEEPER_KEY);
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break;
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case LOCKED:
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// Locked by somebody else? Something has gone wrong here
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case LOCK_EXPIRED:
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default:
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if(logger.isDebugEnabled())
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{
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logger.debug("remove lock from lock keeper cache, nodeRef: " + nodeRefToRefresh);
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}
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lockKeeperTransactionalCache.remove(nodeRefToRefresh);
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}
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}
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else
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{
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if(logger.isDebugEnabled())
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{
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logger.debug("not a lock keeper lock, remove lock from lock keeper cache, nodeRef: " + nodeRefToRefresh);
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}
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lockKeeperTransactionalCache.remove(nodeRefToRefresh);
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}
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return null;
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}
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}, false, true);
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}
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}
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public void setLockEnabled(boolean lockEnabled) {
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this.lockEnabled = lockEnabled;
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}
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public boolean isLockEnabled() {
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return lockEnabled;
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}
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public void setLockService(LockService lockService) {
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this.lockService = lockService;
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}
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public LockService getLockService() {
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return lockService;
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}
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public void setLockKeeperTransactionalCache(
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TransactionalCache<NodeRef, KeeperInfo> lockKeeperTransactionalCache)
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{
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this.lockKeeperTransactionalCache = lockKeeperTransactionalCache;
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}
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public TransactionalCache<NodeRef, KeeperInfo> getLockKeeperTransactionalCache()
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{
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return lockKeeperTransactionalCache;
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}
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public void setTransactionService(TransactionService transactionHelper)
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{
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this.transactionService = transactionHelper;
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}
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public TransactionService getTransactionService()
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{
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return transactionService;
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}
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public void setTimeToExpire(int timeToExpire) {
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this.timeToExpire = timeToExpire;
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}
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public int getTimeToExpire() {
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return timeToExpire;
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}
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private class KeeperInfo implements Serializable
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{
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/**
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*
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*/
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private static final long serialVersionUID = -4200553975218699638L;
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/**
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*
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*/
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KeeperInfo(String owner)
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{
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this.setOwner(owner);
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lockTime = new Date();
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}
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public void setOwner(String owner) {
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this.owner = owner;
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}
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public String getOwner() {
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return owner;
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}
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private String owner;
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Date lockTime;
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}
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}
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package org.alfresco.filesys.repo;
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import java.io.Serializable;
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import java.util.Collection;
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import java.util.Date;
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import org.alfresco.repo.cache.TransactionalCache;
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import org.alfresco.repo.lock.mem.Lifetime;
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import org.alfresco.repo.security.authentication.AuthenticationUtil;
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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.service.cmr.lock.LockService;
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import org.alfresco.service.cmr.lock.LockStatus;
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import org.alfresco.service.cmr.lock.LockType;
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import org.alfresco.service.cmr.repository.NodeRef;
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import org.alfresco.service.transaction.TransactionService;
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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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/**
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* AlfrescoLockKeeperImpl
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* <p>
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* Repository level locking for CIFS, prevents files open via CIFS/FTP/JLAN being interfered with by the alfresco "back end".
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*
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* Delegates ephemeral locking requests to the lockService.
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*
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* @author mrogers
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*
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*/
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public class LockKeeperImpl implements LockKeeper
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{
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private String LOCK_KEEPER_KEY = "AlfrescoLockKeeperImpl";
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private LockService lockService;
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private TransactionService transactionService;
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private TransactionalCache<NodeRef, KeeperInfo> lockKeeperTransactionalCache;
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private int timeToExpire = 3600 * 2; // 2 Hours
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private boolean lockEnabled = true;
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private static final Log logger = LogFactory.getLog(LockKeeperImpl.class);
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public void init()
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{
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PropertyCheck.mandatory(this, "lockService", getLockService());
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PropertyCheck.mandatory(this, "lockKeeperTransactionalCache", getLockKeeperTransactionalCache());
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PropertyCheck.mandatory(this, "transactionService", getTransactionService());
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}
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@Override
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public void addLock(NodeRef nodeRef)
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{
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if(lockEnabled)
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{
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if(logger.isDebugEnabled())
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{
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logger.debug("lock nodeRef:" + nodeRef);
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}
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getLockService().lock(nodeRef, LockType.WRITE_LOCK, getTimeToExpire(), Lifetime.EPHEMERAL, LOCK_KEEPER_KEY);
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lockKeeperTransactionalCache.put(nodeRef, new KeeperInfo(AuthenticationUtil.getFullyAuthenticatedUser()));
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}
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}
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@Override
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public void removeLock(NodeRef nodeRef)
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{
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if(lockEnabled)
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{
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logger.trace("removeLock nodeRef:" + nodeRef);
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getLockService().unlock(nodeRef);
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lockKeeperTransactionalCache.remove(nodeRef);
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}
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}
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@Override
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public void refreshAllLocks()
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{
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Collection<NodeRef> nodes = lockKeeperTransactionalCache.getKeys();
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if(logger.isTraceEnabled())
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{
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logger.trace("RefreshAllLocks called for #locks, " + nodes.size());
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}
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if(!transactionService.getAllowWrite())
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{
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if(logger.isTraceEnabled())
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{
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logger.trace("Repo is read only - do nothing");
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return;
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}
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}
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for(NodeRef nodeRef : nodes)
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{
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final NodeRef nodeRefToRefresh = nodeRef;
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final KeeperInfo keeperInfo = lockKeeperTransactionalCache.get(nodeRefToRefresh);
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final String additionalInfo = lockService.getAdditionalInfo(nodeRefToRefresh);
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transactionService.getRetryingTransactionHelper().doInTransaction(
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new RetryingTransactionCallback<Void>()
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{
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@Override
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public Void execute() throws Throwable
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{
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if(LOCK_KEEPER_KEY.equalsIgnoreCase(additionalInfo))
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{
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// Its one of this class's locks
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AuthenticationUtil.setFullyAuthenticatedUser(keeperInfo.getOwner());
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//TODO What about node does not exist?
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switch (lockService.getLockStatus(nodeRefToRefresh))
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{
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case LOCK_OWNER:
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if(logger.isDebugEnabled())
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{
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logger.debug("refresh ephemeral lock nodeRef: " + nodeRefToRefresh);
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}
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// Expect to go here - refresh the lock
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getLockService().lock(nodeRefToRefresh, LockType.WRITE_LOCK, getTimeToExpire(), Lifetime.EPHEMERAL, LOCK_KEEPER_KEY);
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break;
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case LOCKED:
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// Locked by somebody else? Something has gone wrong here
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case LOCK_EXPIRED:
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default:
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if(logger.isDebugEnabled())
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{
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logger.debug("remove lock from lock keeper cache, nodeRef: " + nodeRefToRefresh);
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}
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lockKeeperTransactionalCache.remove(nodeRefToRefresh);
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}
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}
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else
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{
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if(logger.isDebugEnabled())
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{
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logger.debug("not a lock keeper lock, remove lock from lock keeper cache, nodeRef: " + nodeRefToRefresh);
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}
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lockKeeperTransactionalCache.remove(nodeRefToRefresh);
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}
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return null;
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}
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}, false, true);
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}
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}
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public void setLockEnabled(boolean lockEnabled) {
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this.lockEnabled = lockEnabled;
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}
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public boolean isLockEnabled() {
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return lockEnabled;
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}
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public void setLockService(LockService lockService) {
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this.lockService = lockService;
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}
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public LockService getLockService() {
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return lockService;
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}
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public void setLockKeeperTransactionalCache(
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TransactionalCache<NodeRef, KeeperInfo> lockKeeperTransactionalCache)
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{
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this.lockKeeperTransactionalCache = lockKeeperTransactionalCache;
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}
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public TransactionalCache<NodeRef, KeeperInfo> getLockKeeperTransactionalCache()
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{
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return lockKeeperTransactionalCache;
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}
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public void setTransactionService(TransactionService transactionHelper)
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{
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this.transactionService = transactionHelper;
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}
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public TransactionService getTransactionService()
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{
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return transactionService;
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}
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public void setTimeToExpire(int timeToExpire) {
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this.timeToExpire = timeToExpire;
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}
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public int getTimeToExpire() {
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return timeToExpire;
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}
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private class KeeperInfo implements Serializable
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{
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/**
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*
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*/
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private static final long serialVersionUID = -4200553975218699638L;
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/**
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*
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*/
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KeeperInfo(String owner)
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{
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this.setOwner(owner);
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lockTime = new Date();
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}
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public void setOwner(String owner) {
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this.owner = owner;
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}
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public String getOwner() {
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return owner;
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}
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private String owner;
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Date lockTime;
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}
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}
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Reference in New Issue
Block a user