Files
alfresco-community-repo/source/java/org/alfresco/repo/transfer/AbstractManifestProcessorBase.java
Alan Davis 84841e063f Merged 5.2.N (5.2.1) to HEAD (5.2)
125788 rmunteanu: Merged 5.1.N (5.1.2) to 5.2.N (5.2.1)
      125606 rmunteanu: Merged 5.1.1 (5.1.1) to 5.1.N (5.1.2)
         125515 slanglois: MNT-16155 Update source headers - add new Copyrights for Java and JSP source files + automatic check in the build


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@127810 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2016-06-03 17:08:06 +00:00

379 lines
15 KiB
Java

/*
* #%L
* Alfresco Repository
* %%
* Copyright (C) 2005 - 2016 Alfresco Software Limited
* %%
* This file is part of the Alfresco software.
* If the software was purchased under a paid Alfresco license, the terms of
* the paid license agreement will prevail. Otherwise, the software is
* provided under the following open source license terms:
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
* #L%
*/
package org.alfresco.repo.transfer;
import java.io.File;
import java.io.Serializable;
import java.util.List;
import java.util.Map;
import javax.transaction.UserTransaction;
import org.alfresco.model.ContentModel;
import org.alfresco.repo.transaction.RetryingTransactionHelper;
import org.alfresco.repo.transfer.manifest.TransferManifestDeletedNode;
import org.alfresco.repo.transfer.manifest.TransferManifestHeader;
import org.alfresco.repo.transfer.manifest.TransferManifestNode;
import org.alfresco.repo.transfer.manifest.TransferManifestNormalNode;
import org.alfresco.repo.transfer.manifest.TransferManifestProcessor;
import org.alfresco.service.cmr.repository.ChildAssociationRef;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.repository.NodeService;
import org.alfresco.service.cmr.transfer.TransferException;
import org.alfresco.service.cmr.transfer.TransferProgress;
import org.alfresco.service.cmr.transfer.TransferReceiver;
import org.alfresco.service.namespace.NamespaceService;
import org.alfresco.service.namespace.QName;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* This abstract class handles the progress monitoring functionality as well as providing
* some utility methods for sub-classes.
* @author Brian
*/
public abstract class AbstractManifestProcessorBase implements TransferManifestProcessor,TransferSummaryAware
{
private static final Log log = LogFactory.getLog(AbstractManifestProcessorBase.class);
private static final String MSG_ERROR_WHILE_COMMITTING_TRANSFER = "transfer_service.receiver.error_committing_transfer";
private TransferReceiver receiver;
private String transferId;
private int targetEndProgress;
private int currProgress;
private TransferSummaryReport transferSummaryReport;
public AbstractManifestProcessorBase(TransferReceiver receiver, String transferId)
{
this.receiver = receiver;
this.transferId = transferId;
}
public final void endTransferManifest()
{
receiver.getProgressMonitor().updateProgress(transferId, this.targetEndProgress);
try
{
endManifest();
}
catch(Throwable ex)
{
handleException(null, ex);
}
}
protected abstract void endManifest();
public final void processTransferManifestNode(TransferManifestNormalNode node)
{
incrementNodeCounter();
try
{
processNode(node);
}
catch (Throwable ex)
{
handleException(node, ex);
}
}
protected abstract void processNode(TransferManifestNormalNode node) throws TransferProcessingException;
public final void processTransferManifestNode(TransferManifestDeletedNode node)
{
incrementNodeCounter();
try
{
processNode(node);
}
catch (Throwable ex)
{
handleException(node, ex);
}
}
protected abstract void processNode(TransferManifestDeletedNode node) throws TransferProcessingException;
public final void processTransferManifiestHeader(TransferManifestHeader header)
{
TransferProgressMonitor progressMonitor = receiver.getProgressMonitor();
TransferProgress progress = progressMonitor.getProgress(transferId);
int newEndPos = progress.getEndPosition() + header.getNodeCount();
progressMonitor.updateProgress(transferId, progress.getCurrentPosition(), newEndPos);
targetEndProgress = newEndPos;
currProgress = progress.getCurrentPosition();
try
{
processHeader(header);
}
catch (Throwable ex)
{
handleException(null, ex);
}
}
protected abstract void processHeader(TransferManifestHeader header);
public final void startTransferManifest()
{
try
{
startManifest();
}
catch (Throwable ex)
{
handleException(null, ex);
}
}
protected abstract void startManifest();
private void incrementNodeCounter()
{
currProgress++;
if (currProgress % 20 == 0)
{
receiver.getProgressMonitor().updateProgress(transferId, currProgress);
}
}
/**
* Given the node ref, this method constructs the appropriate ChildAssociationRef that would place this node in the
* transfer's temporary folder. Useful when handling orphans.
*
* @param nodeRef NodeRef
* @return ChildAssociationRef
*/
protected ChildAssociationRef getTemporaryLocation(NodeRef nodeRef)
{
NodeRef parentNodeRef = receiver.getTempFolder(transferId);
QName parentAssocType = TransferModel.ASSOC_TRANSFER_ORPHAN;
QName parentAssocName = QName.createQName(NamespaceService.APP_MODEL_1_0_URI, nodeRef.getId());
return new ChildAssociationRef(parentAssocType, parentNodeRef, parentAssocName, nodeRef, true, -1);
}
protected File getStagingFolder()
{
return receiver.getStagingFolder(transferId);
}
protected TransferReceiver getReceiver()
{
return receiver;
}
protected String getTransferId()
{
return transferId;
}
private void handleException(TransferManifestNode node, Throwable ex)
{
try
{
UserTransaction tx = RetryingTransactionHelper.getActiveUserTransaction();
if (tx != null)
{
tx.setRollbackOnly();
log.debug("Successfully marked transaction for rollback.");
}
}
catch (Throwable e)
{
//Nothing really to be done here
log.warn("Failed to mark transaction as rollback-only in response to an error", e);
}
try
{
TransferProgressMonitor monitor = receiver.getProgressMonitor();
String message = (node != null) ? "Error while processing incoming node " + node.getNodeRef() :
"Error processing commit";
monitor.logException(transferId, message, ex);
}
catch(Throwable t)
{
//Nothing really to be done here
log.warn("Failed to record exception in transfer log due to an exception", t);
}
//Any non-fatal transfer exception is logged and then skipped - the transfer continues
//(albeit with a guaranteed rollback at the end).
//A fatal transfer exception is rethrown and causes the transfer to end immediately.
//Any non-transfer exception is assumed to be fatal, so is wrapped in a fatal exception
//and thrown.
if (TransferFatalException.class.isAssignableFrom(ex.getClass()))
{
callLocalExceptionHandler(node, ex);
throw (TransferFatalException)ex;
}
else if (!TransferException.class.isAssignableFrom(ex.getClass()))
{
callLocalExceptionHandler(node, ex);
throw new TransferFatalException(MSG_ERROR_WHILE_COMMITTING_TRANSFER, ex);
}
}
private void callLocalExceptionHandler(TransferManifestNode node, Throwable ex)
{
try
{
localHandleException(node, ex);
}
catch(Throwable t)
{
//Nothing really to be done here
log.warn("Caught and discarded exception thrown from custom exception handler", t);
}
}
/**
* This method is invoked if an exception or error occurs while processing the manifest.
* By default it does nothing, but classes that extend this class can override this to provide
* custom clean-up.
* @param node TransferManifestNode
* @param ex Throwable
*/
protected void localHandleException(TransferManifestNode node, Throwable ex)
{
//NO-OP - override to add custom clean-up
}
protected void logComment(String message)
{
receiver.getProgressMonitor().logComment(transferId, message);
}
protected void logCreated(NodeRef sourceNode, NodeRef destNode, NodeRef newParentNode, String parentPath, boolean orphan)
{
receiver.getProgressMonitor().logCreated(transferId, sourceNode, destNode, newParentNode, parentPath, orphan);
}
protected void logDeleted(NodeRef sourceNode, NodeRef destNode, String parentPath)
{
receiver.getProgressMonitor().logDeleted(transferId, sourceNode, destNode, parentPath);
}
protected void logUpdated(NodeRef sourceNode, NodeRef destNode, String newPath)
{
receiver.getProgressMonitor().logUpdated(transferId, sourceNode, destNode, newPath);
}
protected void logMoved(NodeRef sourceNode, NodeRef destNode, String oldPath, NodeRef newParent, String newPath)
{
receiver.getProgressMonitor().logMoved(transferId, sourceNode, destNode, oldPath, newParent, newPath);
}
/**
* Puts information about current <code>childRef</code> and its <code>parentRef</code> into log in TRACE level. Information includes 'name', 'fromRepositoryId', 'aliened' and
* 'invadedBy' properties. Additionally, collects the same information for children of <code>childRef</code>
*
* @param parentRef - {@link NodeRef} instance of child node
* @param childRef - {@link NodeRef} instance of parent of the <code>childRef</code>
* @param nodeService - {@link NodeService} instance to get properties and checking other states
* @param log - {@link Log} instance to put log for appropriate class
*/
protected void logInvasionHierarchy(NodeRef parentRef, NodeRef childRef, NodeService nodeService, Log log)
{
Map<QName, Serializable> properties = nodeService.getProperties(childRef);
Map<QName, Serializable> parentProperties = nodeService.getProperties(parentRef);
StringBuilder message = new StringBuilder("Information about '").append(properties.get(ContentModel.PROP_NAME)).append("' node:\n fromRepositoryId: ").append(
properties.get(TransferModel.PROP_FROM_REPOSITORY_ID)).append("\n").append(" invadedBy: ").append(properties.get(TransferModel.PROP_INVADED_BY)).append("\n")
.append(" alien: ").append(nodeService.hasAspect(childRef, TransferModel.ASPECT_ALIEN)).append("\n").append(" repositoryId: ").append(
properties.get(TransferModel.PROP_REPOSITORY_ID)).append("\n").append(" parent: ").append(parentProperties.get(ContentModel.PROP_NAME)).append("(")
.append(parentProperties.get(TransferModel.PROP_FROM_REPOSITORY_ID)).append(")").append(parentProperties.get(TransferModel.PROP_INVADED_BY)).append(": ").append(
nodeService.hasAspect(parentRef, TransferModel.ASPECT_ALIEN)).append("\n").append(" children:\n");
List<ChildAssociationRef> childAssocs = nodeService.getChildAssocs(childRef);
if ((null != childAssocs) && !childAssocs.isEmpty())
{
for (ChildAssociationRef child : childAssocs)
{
properties = nodeService.getProperties(child.getChildRef());
message.append(" ").append(properties.get(ContentModel.PROP_NAME)).append("(").append(properties.get(TransferModel.PROP_FROM_REPOSITORY_ID)).append(")")
.append(properties.get(TransferModel.PROP_INVADED_BY)).append(": ").append(nodeService.hasAspect(child.getChildRef(), TransferModel.ASPECT_ALIEN)).append(
"\n");
}
}
log.trace(message.toString());
}
// summary report actions
public void setTransferSummaryReport(TransferSummaryReport transferSummaryReport)
{
this.transferSummaryReport = transferSummaryReport;
}
public TransferSummaryReport getTransferSummaryReport()
{
return transferSummaryReport;
}
protected void logSummaryComment(String message)
{
TransferSummaryReport transferSummaryReport = getTransferSummaryReport();
if (transferSummaryReport != null)
{
transferSummaryReport.logSummaryComment(message);
}
}
protected void logSummaryCreated(NodeRef sourceNode, NodeRef destNode, NodeRef newParentNode, String parentPath, boolean orphan)
{
TransferSummaryReport transferSummaryReport = getTransferSummaryReport();
if (transferSummaryReport != null)
{
transferSummaryReport.logSummaryCreated(sourceNode, destNode, newParentNode, parentPath, orphan);
}
}
protected void logSummaryDeleted(NodeRef sourceNode, NodeRef destNode, String parentPath)
{
TransferSummaryReport transferSummaryReport = getTransferSummaryReport();
if (transferSummaryReport != null)
{
transferSummaryReport.logSummaryDeleted(sourceNode, destNode, parentPath);
}
}
protected void logSummaryUpdated(NodeRef sourceNode, NodeRef destNode, String newPath)
{
TransferSummaryReport transferSummaryReport = getTransferSummaryReport();
if (transferSummaryReport != null)
{
transferSummaryReport.logSummaryUpdated(sourceNode, destNode, newPath);
}
}
protected void logSummaryMoved(NodeRef sourceNode, NodeRef destNode, String oldPath, NodeRef newParent, String newPath)
{
TransferSummaryReport transferSummaryReport = getTransferSummaryReport();
if (transferSummaryReport != null)
{
transferSummaryReport.logSummaryMoved(sourceNode, destNode, oldPath, newParent, newPath);
}
}
}