/**
* Adds the given artifact to the registry. Please do not use this method to update an existing
* artifact use the update method instead. If this method is used to update an existing artifact,
* all existing properties (such as lifecycle details) will be removed from the existing artifact.
*
* @param artifact the artifact.
* @throws GovernanceException if the operation failed.
*/
public void addGovernanceArtifact(GovernanceArtifact artifact) throws GovernanceException {
// adding the attributes for name, namespace + artifact
if (artifact.getQName() == null || artifact.getQName().getLocalPart() == null) {
String msg = "A valid qualified name was not set for this artifact";
log.error(msg);
throw new GovernanceException(msg);
}
validateArtifact(artifact);
String artifactName = artifact.getQName().getLocalPart();
artifact.setAttributes(artifactNameAttribute, new String[] {artifactName});
// namespace can be null
String namespace = artifact.getQName().getNamespaceURI();
if (artifactNamespaceAttribute != null) {
artifact.setAttributes(artifactNamespaceAttribute, new String[] {namespace});
}
((GovernanceArtifactImpl) artifact).associateRegistry(registry);
boolean succeeded = false;
try {
registry.beginTransaction();
Resource resource = registry.newResource();
resource.setMediaType(mediaType);
setContent(artifact, resource);
// the artifact will not actually stored in the tmp path.
String path = GovernanceUtils.getPathFromPathExpression(pathExpression, artifact);
if (registry.resourceExists(path)) {
throw new GovernanceException(
"Governance artifact " + artifactName + " already exists at " + path);
}
String artifactId = artifact.getId();
resource.setUUID(artifactId);
registry.put(path, resource);
if (lifecycle != null) {
registry.associateAspect(path, lifecycle);
}
((GovernanceArtifactImpl) artifact).updatePath();
// artifact.setId(resource.getUUID()); //This is done to get the UUID of a existing
// resource.
addRelationships(path, artifact);
succeeded = true;
} catch (RegistryException e) {
String msg;
if (artifact.getPath() != null) {
msg =
"Failed to add artifact: artifact id: "
+ artifact.getId()
+ ", path: "
+ artifact.getPath()
+ ". "
+ e.getMessage();
} else {
msg = "Failed to add artifact: artifact id: " + artifact.getId() + ". " + e.getMessage();
}
log.error(msg, e);
throw new GovernanceException(msg, e);
} finally {
if (succeeded) {
try {
registry.commitTransaction();
} catch (RegistryException e) {
String msg;
if (artifact.getPath() != null) {
msg =
"Error in committing transactions. Failed to add artifact: artifact "
+ "id: "
+ artifact.getId()
+ ", path: "
+ artifact.getPath()
+ ".";
} else {
msg =
"Error in committing transactions. Failed to add artifact: artifact "
+ "id: "
+ artifact.getId()
+ ".";
}
log.error(msg, e);
}
} else {
try {
registry.rollbackTransaction();
} catch (RegistryException e) {
String msg =
"Error in rolling back transactions. Failed to add artifact: "
+ "artifact id: "
+ artifact.getId()
+ ", path: "
+ artifact.getPath()
+ ".";
log.error(msg, e);
}
}
}
}
/**
* Updates the given artifact on the registry.
*
* @param artifact the artifact.
* @throws GovernanceException if the operation failed.
*/
public void updateGovernanceArtifact(GovernanceArtifact artifact) throws GovernanceException {
boolean succeeded = false;
try {
registry.beginTransaction();
validateArtifact(artifact);
GovernanceArtifact oldArtifact = getGovernanceArtifact(artifact.getId());
// first check for the old artifact and remove it.
String oldPath = null;
if (oldArtifact != null) {
QName oldName = oldArtifact.getQName();
if (!oldName.equals(artifact.getQName())) {
String temp = oldArtifact.getPath();
// then it is analogue to moving the resource for the new location
// so just delete the old path
registry.delete(temp);
String artifactName = artifact.getQName().getLocalPart();
artifact.setAttributes(artifactNameAttribute, new String[] {artifactName});
String namespace = artifact.getQName().getNamespaceURI();
if (artifactNamespaceAttribute != null) {
artifact.setAttributes(artifactNamespaceAttribute, new String[] {namespace});
}
} else {
oldPath = oldArtifact.getPath();
}
} else {
throw new GovernanceException(
"No artifact found for the artifact id :" + artifact.getId() + ".");
}
String artifactId = artifact.getId();
Resource resource = registry.newResource();
resource.setMediaType(mediaType);
setContent(artifact, resource);
String path = GovernanceUtils.getPathFromPathExpression(pathExpression, artifact);
if (oldPath != null) {
path = oldPath;
}
if (registry.resourceExists(path)) {
Resource oldResource = registry.get(path);
Properties properties = (Properties) oldResource.getProperties().clone();
resource.setProperties(properties);
// persisting resource description at artifact update
String description = oldResource.getDescription();
if (description != null) {
resource.setDescription(description);
}
String oldContent;
Object content = oldResource.getContent();
if (content instanceof String) {
oldContent = (String) content;
} else {
oldContent = new String((byte[]) content);
}
String newContent;
content = resource.getContent();
if (content instanceof String) {
newContent = (String) content;
} else {
newContent = new String((byte[]) content);
}
if (newContent.equals(oldContent)) {
artifact.setId(oldResource.getUUID());
addRelationships(path, artifact);
succeeded = true;
return;
}
}
resource.setUUID(artifactId);
registry.put(path, resource);
// artifact.setId(resource.getUUID()); //This is done to get the UUID of a existing
// resource.
addRelationships(oldPath, artifact);
((GovernanceArtifactImpl) artifact).updatePath(artifactId);
succeeded = true;
} catch (RegistryException e) {
if (e instanceof GovernanceException) {
throw (GovernanceException) e;
}
String msg;
if (artifact.getPath() != null) {
msg =
"Error in updating the artifact, artifact id: "
+ artifact.getId()
+ ", artifact path: "
+ artifact.getPath()
+ "."
+ e.getMessage()
+ ".";
} else {
msg =
"Error in updating the artifact, artifact id: "
+ artifact.getId()
+ "."
+ e.getMessage()
+ ".";
}
log.error(msg, e);
throw new GovernanceException(msg, e);
} finally {
if (succeeded) {
try {
registry.commitTransaction();
} catch (RegistryException e) {
String msg;
if (artifact.getPath() != null) {
msg =
"Error in committing transactions. Update artifact failed: artifact "
+ "id: "
+ artifact.getId()
+ ", path: "
+ artifact.getPath()
+ ".";
} else {
msg =
"Error in committing transactions. Update artifact failed: artifact "
+ "id: "
+ artifact.getId()
+ ".";
}
log.error(msg, e);
}
} else {
try {
registry.rollbackTransaction();
} catch (RegistryException e) {
String msg =
"Error in rolling back transactions. Update artifact failed: "
+ "artifact id: "
+ artifact.getId()
+ ", path: "
+ artifact.getPath()
+ ".";
log.error(msg, e);
}
}
}
}
/**
* Creates a new artifact from the given content.
*
* @param content the artifact content.
* @return the artifact added.
* @throws GovernanceException if the operation failed.
*/
public GovernanceArtifact newGovernanceArtifact(OMElement content) throws GovernanceException {
return GovernanceArtifactImpl.create(registry, UUID.randomUUID().toString(), content);
}