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ACS-9991 Allow Content and Metadata extract even if thumbnails are di… (#3536)

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SatyamSah5
2025-08-20 16:08:49 +05:30
committed by GitHub
parent 8d802f8e3b
commit 2a13c1b496
2 changed files with 254 additions and 207 deletions
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119
repository/src/main/java/org/alfresco/repo/rendition2/RenditionService2Impl.java
View File

@@ -2,7 +2,7 @@
* #%L
* Alfresco Repository
* %%
* Copyright (C) 2005 - 2022 Alfresco Software Limited
* Copyright (C) 2005 - 2025 Alfresco Software Limited
* %%
* This file is part of the Alfresco software.
* If the software was purchased under a paid Alfresco license, the terms of
@@ -25,6 +25,24 @@
*/
package org.alfresco.repo.rendition2;
import static org.alfresco.model.ContentModel.PROP_CONTENT;
import static org.alfresco.model.RenditionModel.PROP_RENDITION_CONTENT_HASH_CODE;
import static org.alfresco.service.namespace.QName.createQName;
import java.io.InputStream;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.InitializingBean;
import org.alfresco.model.ContentModel;
import org.alfresco.model.RenditionModel;
import org.alfresco.repo.content.ContentServicePolicies;
@@ -51,23 +69,6 @@ import org.alfresco.service.namespace.QName;
import org.alfresco.service.namespace.RegexQNamePattern;
import org.alfresco.service.transaction.TransactionService;
import org.alfresco.util.PropertyCheck;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.InitializingBean;
import java.io.InputStream;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;
import static org.alfresco.model.ContentModel.PROP_CONTENT;
import static org.alfresco.model.RenditionModel.PROP_RENDITION_CONTENT_HASH_CODE;
import static org.alfresco.service.namespace.QName.createQName;
/**
* The Async Rendition service. Replaces the original deprecated RenditionService.
@@ -80,11 +81,19 @@ public class RenditionService2Impl implements RenditionService2, InitializingBea
public static final QName DEFAULT_RENDITION_CONTENT_PROP = ContentModel.PROP_CONTENT;
public static final String DEFAULT_MIMETYPE = MimetypeMap.MIMETYPE_TEXT_PLAIN;
public static final String MIMETYPE_METADATA_EXTRACT = "alfresco-metadata-extract";
public static final String MIMETYPE_METADATA_EMBED = "alfresco-metadata-embed";
public static final String DEFAULT_ENCODING = "UTF-8";
public static final int SOURCE_HAS_NO_CONTENT = -1;
public static final int RENDITION2_DOES_NOT_EXIST = -2;
// Allowed mimetypes to support text or metadata extract transforms when thumbnails are disabled.
private static final Set<String> ALLOWED_MIMETYPES = Set.of(
MimetypeMap.MIMETYPE_TEXT_PLAIN,
MIMETYPE_METADATA_EXTRACT,
MIMETYPE_METADATA_EMBED);
private static Log logger = LogFactory.getLog(RenditionService2Impl.class);
// As Async transforms and renditions are so similar, this class provides a way to provide the code that is different.
@@ -95,12 +104,10 @@ public class RenditionService2Impl implements RenditionService2, InitializingBea
abstract RenditionDefinition2 getRenditionDefinition();
void handleUnsupported(UnsupportedOperationException e)
{
}
{}
void throwIllegalStateExceptionIfAlreadyDone(int sourceContentHashCode)
{
}
{}
}
private TransactionService transactionService;
@@ -217,8 +224,7 @@ public class RenditionService2Impl implements RenditionService2, InitializingBea
@Override
public void transform(NodeRef sourceNodeRef, TransformDefinition transformDefinition)
{
requestAsyncTransformOrRendition(sourceNodeRef, new RenderOrTransformCallBack()
{
requestAsyncTransformOrRendition(sourceNodeRef, new RenderOrTransformCallBack() {
@Override
public String getName()
{
@@ -237,8 +243,7 @@ public class RenditionService2Impl implements RenditionService2, InitializingBea
@Override
public void render(NodeRef sourceNodeRef, String renditionName)
{
requestAsyncTransformOrRendition(sourceNodeRef, new RenderOrTransformCallBack()
{
requestAsyncTransformOrRendition(sourceNodeRef, new RenderOrTransformCallBack() {
@Override
public String getName()
{
@@ -291,7 +296,7 @@ public class RenditionService2Impl implements RenditionService2, InitializingBea
{
try
{
if (!isEnabled())
if (!isAsyncAllowed(renderOrTransform))
{
throw new RenditionService2Exception("Async transforms and renditions are disabled " +
"(system.thumbnail.generate=false or renditionService2.enabled=false).");
@@ -328,8 +333,7 @@ public class RenditionService2Impl implements RenditionService2, InitializingBea
}
String user = AuthenticationUtil.getRunAsUser();
RetryingTransactionHelper.RetryingTransactionCallback callback = () ->
{
RetryingTransactionHelper.RetryingTransactionCallback callback = () -> {
int sourceContentHashCode = getSourceContentHashCode(sourceNodeRef);
if (!supported.get())
{
@@ -372,9 +376,7 @@ public class RenditionService2Impl implements RenditionService2, InitializingBea
public void failure(NodeRef sourceNodeRef, RenditionDefinition2 renditionDefinition, int transformContentHashCode)
{
// The original transaction may have already have failed
AuthenticationUtil.runAsSystem((AuthenticationUtil.RunAsWork<Void>) () ->
transactionService.getRetryingTransactionHelper().doInTransaction(() ->
{
AuthenticationUtil.runAsSystem((AuthenticationUtil.RunAsWork<Void>) () -> transactionService.getRetryingTransactionHelper().doInTransaction(() -> {
consume(sourceNodeRef, null, renditionDefinition, transformContentHashCode);
return null;
}, false, true));
@@ -484,9 +486,7 @@ public class RenditionService2Impl implements RenditionService2, InitializingBea
}
/**
* Takes a transformation (InputStream) and attaches it as a rendition to the source node.
* Does nothing if there is already a newer rendition.
* If the transformInputStream is null, this is taken to be a transform failure.
* Takes a transformation (InputStream) and attaches it as a rendition to the source node. Does nothing if there is already a newer rendition. If the transformInputStream is null, this is taken to be a transform failure.
*/
private void consumeRendition(NodeRef sourceNodeRef, int sourceContentHashCode, InputStream transformInputStream,
RenditionDefinition2 renditionDefinition, int transformContentHashCode)
@@ -507,9 +507,7 @@ public class RenditionService2Impl implements RenditionService2, InitializingBea
(transformInputStream == null ? " to null as the transform failed" : " to the transform result"));
}
AuthenticationUtil.runAsSystem((AuthenticationUtil.RunAsWork<Void>) () ->
transactionService.getRetryingTransactionHelper().doInTransaction(() ->
{
AuthenticationUtil.runAsSystem((AuthenticationUtil.RunAsWork<Void>) () -> transactionService.getRetryingTransactionHelper().doInTransaction(() -> {
// Ensure that the creation of a rendition does not cause updates to the modified, modifier properties on the source node
NodeRef renditionNode = getRenditionNode(sourceNodeRef, renditionName);
boolean createRenditionNode = renditionNode == null;
@@ -555,7 +553,8 @@ public class RenditionService2Impl implements RenditionService2, InitializingBea
long sizeOfRendition = contentReader.getSize();
if (sizeOfRendition > 0L)
{
if (logger.isDebugEnabled()) {
if (logger.isDebugEnabled())
{
logger.debug("Set rendition hashcode for " + renditionName);
}
nodeService.setProperty(renditionNode, RenditionModel.PROP_RENDITION_CONTENT_HASH_CODE, transformContentHashCode);
@@ -665,8 +664,7 @@ public class RenditionService2Impl implements RenditionService2, InitializingBea
}
/**
* Returns the hash code of the source node's content url. As transformations may be returned in a different
* sequences to which they were requested, this is used work out if a rendition should be replaced.
* Returns the hash code of the source node's content url. As transformations may be returned in a different sequences to which they were requested, this is used work out if a rendition should be replaced.
*/
private int getSourceContentHashCode(NodeRef sourceNodeRef)
{
@@ -685,9 +683,7 @@ public class RenditionService2Impl implements RenditionService2, InitializingBea
}
/**
* Returns the hash code of source node's content url on the rendition node (node may be null) if it does not exist.
* Used work out if a rendition should be replaced. {@code -2} is returned if the rendition does not exist or was
* not created by RenditionService2. {@code -1} is returned if there was no source content or the rendition failed.
* Returns the hash code of source node's content url on the rendition node (node may be null) if it does not exist. Used work out if a rendition should be replaced. {@code -2} is returned if the rendition does not exist or was not created by RenditionService2. {@code -1} is returned if there was no source content or the rendition failed.
*/
private int getRenditionContentHashCode(NodeRef renditionNode)
{
@@ -773,11 +769,12 @@ public class RenditionService2Impl implements RenditionService2, InitializingBea
}
/**
* This method checks whether the specified source node is of a content class which has been registered for
* rendition prevention.
* This method checks whether the specified source node is of a content class which has been registered for rendition prevention.
*
* @param sourceNode the node to check.
* @throws RenditionService2PreventedException if the source node is configured for rendition prevention.
* @param sourceNode
* the node to check.
* @throws RenditionService2PreventedException
* if the source node is configured for rendition prevention.
*/
// This code is based on the old RenditionServiceImpl.checkSourceNodeForPreventionClass(...)
private void checkSourceNodeForPreventionClass(NodeRef sourceNode)
@@ -833,8 +830,7 @@ public class RenditionService2Impl implements RenditionService2, InitializingBea
}
/**
* Indicates if the rendition is available. Failed renditions (there was an error) don't have a contentUrl
* and out of date renditions or those still being created don't have a matching contentHashCode.
* Indicates if the rendition is available. Failed renditions (there was an error) don't have a contentUrl and out of date renditions or those still being created don't have a matching contentHashCode.
*/
public boolean isRenditionAvailable(NodeRef sourceNodeRef, NodeRef renditionNode)
{
@@ -899,9 +895,7 @@ public class RenditionService2Impl implements RenditionService2, InitializingBea
@Override
public void clearRenditionContentDataInTransaction(NodeRef renditionNode)
{
AuthenticationUtil.runAsSystem((AuthenticationUtil.RunAsWork<Void>) () ->
transactionService.getRetryingTransactionHelper().doInTransaction(() ->
{
AuthenticationUtil.runAsSystem((AuthenticationUtil.RunAsWork<Void>) () -> transactionService.getRetryingTransactionHelper().doInTransaction(() -> {
clearRenditionContentData(renditionNode);
return null;
}, false, true));
@@ -950,4 +944,23 @@ public class RenditionService2Impl implements RenditionService2, InitializingBea
}
}
// Checks if the given transform callback is a text extract transform for content indexing or metadata extract/embed.
private boolean isTextOrMetadataExtractTransform(RenderOrTransformCallBack renderOrTransform)
{
RenditionDefinition2 renditionDefinition = renderOrTransform.getRenditionDefinition();
return renditionDefinition != null && ALLOWED_MIMETYPES.contains(renditionDefinition.getTargetMimetype());
}
private boolean isAsyncAllowed(RenderOrTransformCallBack renderOrTransform)
{
// If enabled is false, all async transforms/renditions must be blocked
if (!enabled)
{
return false;
}
// If thumbnails are disabled, allow only text extract or metadata extract/embed transforms
return thumbnailsEnabled || isTextOrMetadataExtractTransform(renderOrTransform);
}
}

116
repository/src/test/java/org/alfresco/repo/rendition2/RenditionService2IntegrationTest.java
View File

@@ -2,7 +2,7 @@
* #%L
* Alfresco Repository
* %%
* Copyright (C) 2005 - 2022 Alfresco Software Limited
* Copyright (C) 2005 - 2025 Alfresco Software Limited
* %%
* This file is part of the Alfresco software.
* If the software was purchased under a paid Alfresco license, the terms of
@@ -25,16 +25,21 @@
*/
package org.alfresco.repo.rendition2;
import static org.alfresco.model.ContentModel.PROP_CONTENT;
import static org.junit.Assert.assertNotEquals;
import static org.alfresco.model.ContentModel.PROP_CONTENT;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import org.junit.BeforeClass;
import org.junit.Test;
import org.alfresco.model.ContentModel;
import org.alfresco.model.RenditionModel;
import org.alfresco.repo.content.MimetypeMap;
import org.alfresco.repo.security.authentication.AuthenticationUtil;
import org.alfresco.repo.security.permissions.AccessDeniedException;
import org.alfresco.service.cmr.repository.ChildAssociationRef;
@@ -44,8 +49,6 @@ import org.alfresco.service.cmr.repository.datatype.DefaultTypeConverter;
import org.alfresco.service.cmr.security.PermissionService;
import org.alfresco.service.namespace.NamespaceService;
import org.alfresco.service.namespace.QName;
import org.junit.BeforeClass;
import org.junit.Test;
/**
* Integration tests for {@link RenditionService2}
@@ -158,8 +161,7 @@ public class RenditionService2IntegrationTest extends AbstractRenditionIntegrati
clearContent(ADMIN, sourceNodeRef);
render(ADMIN, sourceNodeRef, DOC_LIB);
ChildAssociationRef assoc = AuthenticationUtil.runAs(() ->
renditionService2.getRenditionByName(sourceNodeRef, DOC_LIB), ADMIN);
ChildAssociationRef assoc = AuthenticationUtil.runAs(() -> renditionService2.getRenditionByName(sourceNodeRef, DOC_LIB), ADMIN);
waitForRendition(ADMIN, sourceNodeRef, DOC_LIB, false);
assertNull("There should be no rendition as there was no content", assoc);
}
@@ -190,8 +192,7 @@ public class RenditionService2IntegrationTest extends AbstractRenditionIntegrati
clearContent(ADMIN, sourceNodeRef);
render(ADMIN, sourceNodeRef, DOC_LIB);
ChildAssociationRef assoc = AuthenticationUtil.runAs(() ->
renditionService2.getRenditionByName(sourceNodeRef, DOC_LIB), ADMIN);
ChildAssociationRef assoc = AuthenticationUtil.runAs(() -> renditionService2.getRenditionByName(sourceNodeRef, DOC_LIB), ADMIN);
waitForRendition(ADMIN, sourceNodeRef, DOC_LIB, false);
assertNull("There should be no rendition as there was no content", assoc);
@@ -216,8 +217,7 @@ public class RenditionService2IntegrationTest extends AbstractRenditionIntegrati
String ownerUserName = createRandomUser();
NodeRef sourceNodeRef = createSource(ownerUserName, "quick.jpg");
String otherUserName = createRandomUser();
transactionService.getRetryingTransactionHelper().doInTransaction(() ->
{
transactionService.getRetryingTransactionHelper().doInTransaction(() -> {
permissionService.setPermission(sourceNodeRef, otherUserName, PermissionService.READ, true);
return null;
});
@@ -236,8 +236,7 @@ public class RenditionService2IntegrationTest extends AbstractRenditionIntegrati
String ownerUserName = createRandomUser();
NodeRef sourceNodeRef = createSource(ownerUserName, "quick.jpg");
String otherUserName = createRandomUser();
transactionService.getRetryingTransactionHelper().doInTransaction(() ->
{
transactionService.getRetryingTransactionHelper().doInTransaction(() -> {
permissionService.setPermission(sourceNodeRef, otherUserName, PermissionService.READ, true);
return null;
});
@@ -257,8 +256,7 @@ public class RenditionService2IntegrationTest extends AbstractRenditionIntegrati
NodeRef sourceNodeRef = createSource(ownerUserName, "quick.jpg");
render(ownerUserName, sourceNodeRef, DOC_LIB);
String noPermissionsUser = createRandomUser();
transactionService.getRetryingTransactionHelper().doInTransaction(() ->
{
transactionService.getRetryingTransactionHelper().doInTransaction(() -> {
permissionService.setPermission(sourceNodeRef, noPermissionsUser, PermissionService.ALL_PERMISSIONS, false);
return null;
});
@@ -280,12 +278,9 @@ public class RenditionService2IntegrationTest extends AbstractRenditionIntegrati
NodeRef sourceNodeRef = createSource(ownerUserName, "quick.jpg");
final QName doclibRendDefQName = QName.createQName(NamespaceService.CONTENT_MODEL_1_0_URI, "doclib");
transactionService.getRetryingTransactionHelper()
.doInTransaction(() ->
AuthenticationUtil.runAs(() ->
renditionService.render(sourceNodeRef, doclibRendDefQName), ownerUserName));
.doInTransaction(() -> AuthenticationUtil.runAs(() -> renditionService.render(sourceNodeRef, doclibRendDefQName), ownerUserName));
NodeRef oldRendition = AuthenticationUtil.runAs(() ->
renditionService.getRenditionByName(sourceNodeRef, doclibRendDefQName).getChildRef(), ownerUserName);
NodeRef oldRendition = AuthenticationUtil.runAs(() -> renditionService.getRenditionByName(sourceNodeRef, doclibRendDefQName).getChildRef(), ownerUserName);
assertFalse("The rendition should be generated by old Rendition Service",
AuthenticationUtil.runAs(() -> nodeService.hasAspect(oldRendition, RenditionModel.ASPECT_RENDITION2), ownerUserName));
@@ -335,9 +330,7 @@ public class RenditionService2IntegrationTest extends AbstractRenditionIntegrati
renditionService2.setEnabled(false);
// Call 'clearRenditionContentData' method directly to prove rendition content will be cleaned
AuthenticationUtil.runAs((AuthenticationUtil.RunAsWork<Void>) () ->
transactionService.getRetryingTransactionHelper().doInTransaction(() ->
{
AuthenticationUtil.runAs((AuthenticationUtil.RunAsWork<Void>) () -> transactionService.getRetryingTransactionHelper().doInTransaction(() -> {
renditionService2.clearRenditionContentData(sourceNodeRef, DOC_LIB);
return null;
}), ADMIN);
@@ -356,8 +349,7 @@ public class RenditionService2IntegrationTest extends AbstractRenditionIntegrati
/**
* Tests if a rendition without content (but with contentHashCode) can be generated again.
* <p>
* If the rendition consumption receives a null InputStream, the contentHashCode should be cleaned from the
* rendition node, allowing new requests to generate the rendition.
* If the rendition consumption receives a null InputStream, the contentHashCode should be cleaned from the rendition node, allowing new requests to generate the rendition.
* </p>
*/
@Test
@@ -369,8 +361,7 @@ public class RenditionService2IntegrationTest extends AbstractRenditionIntegrati
/**
* Tests if a rendition without content (but with contentHashCode) can be generated again.
* <p>
* If the rendition consumption receives a zero length InputStream, the contentHashCode should be cleaned from the
* rendition node, allowing new requests to generate the rendition.
* If the rendition consumption receives a zero length InputStream, the contentHashCode should be cleaned from the rendition node, allowing new requests to generate the rendition.
* </p>
*/
@Test
@@ -492,22 +483,16 @@ public class RenditionService2IntegrationTest extends AbstractRenditionIntegrati
NodeRef sourceNodeRef = createSource(ADMIN, "quick.jpg");
final QName doclibRendDefQName = QName.createQName(NamespaceService.CONTENT_MODEL_1_0_URI, "doclib");
transactionService.getRetryingTransactionHelper()
.doInTransaction(() ->
AuthenticationUtil.runAs(() ->
renditionService.render(sourceNodeRef, doclibRendDefQName), ADMIN));
.doInTransaction(() -> AuthenticationUtil.runAs(() -> renditionService.render(sourceNodeRef, doclibRendDefQName), ADMIN));
assertNotNull("The old renditions service did not render", waitForRendition(ADMIN, sourceNodeRef, DOC_LIB, true));
List<String> lastThumbnailModification = transactionService.getRetryingTransactionHelper()
.doInTransaction(() ->
AuthenticationUtil.runAs(() ->
(List<String>) nodeService.getProperty(sourceNodeRef, ContentModel.PROP_LAST_THUMBNAIL_MODIFICATION_DATA), ADMIN));
.doInTransaction(() -> AuthenticationUtil.runAs(() -> (List<String>) nodeService.getProperty(sourceNodeRef, ContentModel.PROP_LAST_THUMBNAIL_MODIFICATION_DATA), ADMIN));
updateContent(ADMIN, sourceNodeRef, "quick.png");
List<String> newThumbnailModification = null;
for (int i = 0; i < 5; i++)
{
newThumbnailModification = transactionService.getRetryingTransactionHelper()
.doInTransaction(() ->
AuthenticationUtil.runAs(() ->
(List<String>) nodeService.getProperty(sourceNodeRef, ContentModel.PROP_LAST_THUMBNAIL_MODIFICATION_DATA), ADMIN));
.doInTransaction(() -> AuthenticationUtil.runAs(() -> (List<String>) nodeService.getProperty(sourceNodeRef, ContentModel.PROP_LAST_THUMBNAIL_MODIFICATION_DATA), ADMIN));
if (!newThumbnailModification.equals(lastThumbnailModification))
{
break;
@@ -579,9 +564,7 @@ public class RenditionService2IntegrationTest extends AbstractRenditionIntegrati
NodeRef sourceNodeRef = createSource(ADMIN, "quick.jpg");
final QName doclibRendDefQName = QName.createQName(NamespaceService.CONTENT_MODEL_1_0_URI, "doclib");
transactionService.getRetryingTransactionHelper()
.doInTransaction(() ->
AuthenticationUtil.runAs(() ->
renditionService.render(sourceNodeRef, doclibRendDefQName), ADMIN));
.doInTransaction(() -> AuthenticationUtil.runAs(() -> renditionService.render(sourceNodeRef, doclibRendDefQName), ADMIN));
waitForRendition(ADMIN, sourceNodeRef, DOC_LIB, true);
renditionService2.setEnabled(true);
@@ -652,9 +635,7 @@ public class RenditionService2IntegrationTest extends AbstractRenditionIntegrati
NodeRef sourceNodeRef = createSource(ADMIN, "quick.jpg");
final QName doclibRendDefQName = QName.createQName(NamespaceService.CONTENT_MODEL_1_0_URI, "doclib");
transactionService.getRetryingTransactionHelper()
.doInTransaction(() ->
AuthenticationUtil.runAs(() ->
renditionService.render(sourceNodeRef, doclibRendDefQName), ADMIN));
.doInTransaction(() -> AuthenticationUtil.runAs(() -> renditionService.render(sourceNodeRef, doclibRendDefQName), ADMIN));
waitForRendition(ADMIN, sourceNodeRef, DOC_LIB, true);
renditionService2.setEnabled(true);
@@ -682,4 +663,57 @@ public class RenditionService2IntegrationTest extends AbstractRenditionIntegrati
renditionService2.setEnabled(true);
}
}
@Test
public void testTextExtractTransformAllowedWhenThumbnailDisabled()
{
// create a source node
NodeRef sourceNodeRef = createSource(ADMIN, "quick.pdf");
assertNotNull("Node not generated", sourceNodeRef);
String replyQueue = "org.test.queue";
String targetMimetype = MimetypeMap.MIMETYPE_TEXT_PLAIN;
TransformDefinition textExtractTransform = new TransformDefinition(
targetMimetype,
java.util.Collections.emptyMap(),
"clientData",
replyQueue,
"requestId");
renditionService2.setThumbnailsEnabled(false);
try
{
// Should NOT throw, as this is a text extract transform
AuthenticationUtil.runAs(() -> {
transactionService.getRetryingTransactionHelper().doInTransaction(() -> {
renditionService2.transform(sourceNodeRef, textExtractTransform);
return null;
});
return null;
}, ADMIN);
}
finally
{
renditionService2.setThumbnailsEnabled(true);
}
}
@Test
public void testMetadataExtractTransformAllowedWhenThumbnailDisabled()
{
// create a source node
NodeRef sourceNodeRef = createSource(ADMIN, "quick.pdf");
assertNotNull("Node not generated", sourceNodeRef);
renditionService2.setThumbnailsEnabled(false);
try
{
// Should NOT throw, as this is a metadata extract transform
extract(ADMIN, sourceNodeRef);
waitForExtract(ADMIN, sourceNodeRef, true);
}
finally
{
renditionService2.setThumbnailsEnabled(true);
}
}
}