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transfer service : work in progress.

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implementation of transfer requsite.
    API change isComplete to isSync

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@21130 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Mark Rogers
2010-07-13 14:04:23 +00:00
parent eece9fef5e
commit e468ab3a4b
26 changed files with 1294 additions and 72 deletions
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73
source/java/org/alfresco/repo/transfer/TransferServiceImpl.java
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@@ -20,6 +20,7 @@ package org.alfresco.repo.transfer;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
@@ -57,6 +58,8 @@ import org.alfresco.repo.transfer.manifest.TransferManifestWriter;
import org.alfresco.repo.transfer.manifest.XMLTransferManifestReader;
import org.alfresco.repo.transfer.manifest.XMLTransferManifestWriter;
import org.alfresco.repo.transfer.report.TransferReporter;
import org.alfresco.repo.transfer.requisite.DeltaListRequsiteProcessor;
import org.alfresco.repo.transfer.requisite.XMLTransferRequsiteReader;
import org.alfresco.service.cmr.action.Action;
import org.alfresco.service.cmr.action.ActionService;
import org.alfresco.service.cmr.repository.ChildAssociationRef;
@@ -530,6 +533,8 @@ public class TransferServiceImpl implements TransferService
eventProcessor.addObserver(reportCallback);
File snapshotFile = null;
File reqFile = null;
TransferTarget target = null;
try
{
@@ -555,6 +560,8 @@ public class TransferServiceImpl implements TransferService
// where to put snapshot ?
File tempDir = TempFileProvider.getLongLifeTempDir("transfer");
snapshotFile = TempFileProvider.createTempFile(prefix, suffix, tempDir);
reqFile = TempFileProvider.createTempFile("TRX-REQ", suffix, tempDir);
FileOutputStream reqOutput = new FileOutputStream(reqFile);
FileWriter snapshotWriter = new FileWriter(snapshotFile);
@@ -565,7 +572,7 @@ public class TransferServiceImpl implements TransferService
header.setRepositoryId(descriptor.getId());
header.setCreatedDate(new Date());
header.setNodeCount(nodes.size());
header.setComplete(definition.isComplete());
header.setSync(definition.isSync());
formatter.startTransferManifest(snapshotWriter);
formatter.writeTransferManifestHeader(header);
for(NodeRef nodeRef : nodes)
@@ -612,12 +619,41 @@ public class TransferServiceImpl implements TransferService
checkCancel(transferId);
/**
* send Manifest
* send Manifest, get the requsite back.
*/
eventProcessor.sendSnapshot(1,1);
transmitter.sendManifest(transfer, snapshotFile);
transmitter.sendManifest(transfer, snapshotFile, reqOutput);
if(logger.isDebugEnabled())
{
logger.debug("requsite file written to local filesystem");
try
{
outputFile(reqFile);
}
catch (IOException error)
{
// This is debug code - so an exception thrown while debugging
logger.debug("error while outputting snapshotFile");
error.printStackTrace();
}
}
logger.debug("manifest sent");
SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
SAXParser parser;
parser = saxParserFactory.newSAXParser();
/**
* Parse the requsite file to generate the delta list
*/
DeltaListRequsiteProcessor reqProcessor = new DeltaListRequsiteProcessor();
XMLTransferRequsiteReader reqReader = new XMLTransferRequsiteReader(reqProcessor);
parser.parse(reqFile, reqReader);
final DeltaList deltaList = reqProcessor.getDeltaList();
/**
* Parse the manifest file and transfer chunks over
@@ -657,7 +693,23 @@ public class TransferServiceImpl implements TransferService
{
checkCancel(transfer.getTransferId());
logger.debug("add content to chunker");
chunker.addContent(d);
/**
* Check with the deltaList whether we need to send the content item
*/
if(deltaList != null)
{
if(deltaList.getRequiredURLs().contains(d.getContentUrl()))
{
logger.debug("content is required :" + d.getContentUrl());
chunker.addContent(d);
}
}
else
{
// No delta list - so send all content items
chunker.addContent(d);
}
}
}
@@ -672,13 +724,11 @@ public class TransferServiceImpl implements TransferService
/**
* Step 3: wire up the manifest reader to a manifest processor
*/
SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
SAXParser parser;
parser = saxParserFactory.newSAXParser();
XMLTransferManifestReader reader = new XMLTransferManifestReader(processor);
/**
* Step 4: start the magic Give the manifest file to the manifest reader
* Step 4: start the magic - Give the manifest file to the manifest reader
*/
parser.parse(snapshotFile, reader);
chunker.flush();
@@ -821,6 +871,13 @@ public class TransferServiceImpl implements TransferService
snapshotFile.delete();
}
logger.debug("snapshot file deleted");
if(reqFile != null)
{
reqFile.delete();
}
logger.debug("req file deleted");
}
} // end of transferImpl