/**
* Register a set of namespaces.
*
* @param namespaceUrisByPrefix the map of new namespace URIs by their prefix
*/
public void register(Map<String, String> namespaceUrisByPrefix) {
if (namespaceUrisByPrefix == null || namespaceUrisByPrefix.isEmpty()) return;
final Lock lock = this.namespacesLock.writeLock();
try {
lock.lock();
SystemContent systemContent = systemContent(false);
systemContent.registerNamespaces(namespaceUrisByPrefix);
systemContent.save();
for (Map.Entry<String, String> entry : namespaceUrisByPrefix.entrySet()) {
String prefix = entry.getKey().trim();
String uri = entry.getValue().trim();
if (prefix.length() == 0) continue;
this.cache.register(prefix, uri);
}
} finally {
lock.unlock();
}
}
@Override
public boolean unregister(String namespaceUri) {
CheckArg.isNotNull(namespaceUri, "namespaceUri");
namespaceUri = namespaceUri.trim();
final Lock lock = this.namespacesLock.writeLock();
try {
lock.lock();
// Remove it from the cache ...
boolean found = this.cache.unregister(namespaceUri);
// Then from the source ...
SystemContent systemContent = systemContent(false);
boolean foundPersistent = systemContent.unregisterNamespace(namespaceUri);
systemContent.save();
return foundPersistent || found;
} finally {
lock.unlock();
}
}
@Override
public String register(String prefix, String namespaceUri) {
CheckArg.isNotNull(namespaceUri, "namespaceUri");
namespaceUri = namespaceUri.trim();
final Lock lock = this.namespacesLock.writeLock();
try {
lock.lock();
// Register it in the cache first ...
String previousCachedUriForPrefix = this.cache.register(prefix, namespaceUri);
if (!namespaceUri.equals(previousCachedUriForPrefix)) {
// And register it in the source ...
SystemContent systemContent = systemContent(false);
systemContent.registerNamespaces(Collections.singletonMap(prefix, namespaceUri));
systemContent.save();
}
return previousCachedUriForPrefix;
} finally {
lock.unlock();
}
}
@Override
public String getPrefixForNamespaceUri(String namespaceUri, boolean generateIfMissing) {
CheckArg.isNotNull(namespaceUri, "namespaceUri");
Lock lock = this.namespacesLock.readLock();
try {
lock.lock();
// Try the cache first ...
String prefix = cache.getPrefixForNamespaceUri(namespaceUri, false);
if (prefix == null && generateIfMissing) {
SystemContent systemContent = systemContent(!generateIfMissing);
prefix = systemContent.readNamespacePrefix(namespaceUri, generateIfMissing);
if (prefix != null) {
systemContent.save();
cache.register(prefix, namespaceUri);
}
}
return prefix;
} finally {
lock.unlock();
}
}
@Override
public void unregisterIndexes(String... indexNames)
throws NoSuchIndexException, RepositoryException {
if (indexNames == null || indexNames.length == 0) return;
// Remove the definition from the system area ...
SessionCache systemCache = repository.createSystemSession(context, false);
SystemContent system = new SystemContent(systemCache);
for (String indexName : indexNames) {
IndexDefinition defn = indexes.getIndexDefinitions().get(indexName);
if (defn == null) {
throw new NoSuchIndexException(
JcrI18n.indexDoesNotExist.text(indexName, repository.name()));
}
system.remove(defn);
}
system.save();
// Refresh the immutable snapshot ...
this.indexes = readIndexDefinitions();
}
List<JcrNodeType> registerNodeTypes(
Iterable<NodeTypeDefinition> nodeTypeDefns,
boolean failIfNodeTypeDefinitionsExist,
boolean skipIfNodeTypeDefinitionExists,
boolean persist)
throws InvalidNodeTypeDefinitionException, NodeTypeExistsException, RepositoryException {
if (nodeTypeDefns == null) {
return Collections.emptyList();
}
List<JcrNodeType> typesPendingRegistration = new ArrayList<JcrNodeType>();
try {
nodeTypesLock.writeLock().lock();
final NodeTypes nodeTypes = this.nodeTypesCache;
for (NodeTypeDefinition nodeTypeDefn : nodeTypeDefns) {
if (nodeTypeDefn instanceof JcrNodeTypeTemplate) {
// Switch to use this context, so names are properly prefixed ...
nodeTypeDefn = ((JcrNodeTypeTemplate) nodeTypeDefn).with(context);
}
Name internalName = nodeTypes.nameFactory().create(nodeTypeDefn.getName());
if (internalName == null || internalName.getLocalName().length() == 0) {
throw new InvalidNodeTypeDefinitionException(JcrI18n.invalidNodeTypeName.text());
}
boolean found = nodeTypes.hasNodeType(internalName);
if (found && failIfNodeTypeDefinitionsExist) {
String name = nodeTypeDefn.getName();
throw new NodeTypeExistsException(internalName, JcrI18n.nodeTypeAlreadyExists.text(name));
}
if (found && skipIfNodeTypeDefinitionExists) continue;
List<JcrNodeType> supertypes =
nodeTypes.supertypesFor(nodeTypeDefn, typesPendingRegistration);
JcrNodeType nodeType = nodeTypeFrom(nodeTypeDefn, supertypes);
typesPendingRegistration.add(nodeType);
}
if (!typesPendingRegistration.isEmpty()) {
// Make sure the nodes have primary types that are either already registered, or pending
// registration ...
validateTypes(typesPendingRegistration);
// Validate each of types that should be registered
for (JcrNodeType typePendingRegistration : typesPendingRegistration) {
nodeTypes.validate(
typePendingRegistration,
Arrays.asList(typePendingRegistration.getDeclaredSupertypes()),
typesPendingRegistration);
}
SystemContent system = null;
if (persist) {
SessionCache systemCache = repository.createSystemSession(context, false);
system = new SystemContent(systemCache);
}
for (JcrNodeType nodeType : typesPendingRegistration) {
if (system != null) system.store(nodeType, true);
}
// Create the new cache ...
NodeTypes newNodeTypes = nodeTypes.with(typesPendingRegistration);
// Save the changes ...
if (system != null) system.save();
// And finally update the capabilities cache ...
this.nodeTypesCache = newNodeTypes;
this.schemata = null;
}
} finally {
nodeTypesLock.writeLock().unlock();
}
return typesPendingRegistration;
}
/**
* Allows the collection of node types to be unregistered if they are not referenced by other node
* types as supertypes, default primary types of child nodes, or required primary types of child
* nodes.
*
* @param nodeTypeNames the names of the node types to be unregistered
* @param failIfNodeTypesAreUsed true if this method should fail to unregister the named node
* types if any of the node types are still in use by nodes, or false if this method should
* not perform such a check
* @throws NoSuchNodeTypeException if any of the node type names do not correspond to a registered
* node type
* @throws InvalidNodeTypeDefinitionException if any of the node types with the given names cannot
* be unregistered because they are the supertype, one of the required primary types, or a
* default primary type of a node type that is not being unregistered.
* @throws RepositoryException if any other error occurs
*/
void unregisterNodeType(Collection<Name> nodeTypeNames, boolean failIfNodeTypesAreUsed)
throws NoSuchNodeTypeException, InvalidNodeTypeDefinitionException, RepositoryException {
CheckArg.isNotNull(nodeTypeNames, "nodeTypeNames");
if (nodeTypeNames.isEmpty()) return;
if (failIfNodeTypesAreUsed) {
long start = System.nanoTime();
// Search the content graph to make sure that this type isn't being used
for (Name nodeTypeName : nodeTypeNames) {
if (isNodeTypeInUse(nodeTypeName)) {
String name = nodeTypeName.getString(context.getNamespaceRegistry());
throw new InvalidNodeTypeDefinitionException(
JcrI18n.cannotUnregisterInUseType.text(name));
}
}
long time =
TimeUnit.MILLISECONDS.convert(Math.abs(System.nanoTime() - start), TimeUnit.NANOSECONDS);
logger.debug(
"{0} milliseconds to check if any of these node types are unused before unregistering them: {1}",
time, nodeTypeNames);
}
try {
/*
* Grab an exclusive lock on this data to keep other nodes from being added/saved while the unregistration checks are occurring
*/
List<JcrNodeType> removedNodeTypes = new ArrayList<JcrNodeType>(nodeTypeNames.size());
nodeTypesLock.writeLock().lock();
final NodeTypes nodeTypes = this.nodeTypesCache;
for (Name nodeTypeName : nodeTypeNames) {
/*
* Check that the type names are valid
*/
if (nodeTypeName == null) {
throw new NoSuchNodeTypeException(JcrI18n.invalidNodeTypeName.text());
}
String name = nodeTypeName.getString(context.getNamespaceRegistry());
JcrNodeType foundNodeType = nodeTypes.getNodeType(nodeTypeName);
if (foundNodeType == null) {
throw new NoSuchNodeTypeException(JcrI18n.noSuchNodeType.text(name));
}
removedNodeTypes.add(foundNodeType);
/*
* Check that no other node definitions have dependencies on any of the named types
*/
for (JcrNodeType nodeType : nodeTypes.getAllNodeTypes()) {
// If this node is also being unregistered, don't run checks against it
if (nodeTypeNames.contains(nodeType.getInternalName())) {
continue;
}
for (JcrNodeType supertype : nodeType.supertypes()) {
if (nodeTypeName.equals(supertype.getInternalName())) {
throw new InvalidNodeTypeDefinitionException(
JcrI18n.cannotUnregisterSupertype.text(name, supertype.getName()));
}
}
for (JcrNodeDefinition childNode : nodeType.childNodeDefinitions()) {
NodeType defaultPrimaryType = childNode.getDefaultPrimaryType();
if (defaultPrimaryType != null && name.equals(defaultPrimaryType.getName())) {
throw new InvalidNodeTypeDefinitionException(
JcrI18n.cannotUnregisterDefaultPrimaryType.text(
name, nodeType.getName(), childNode.getName()));
}
if (childNode.requiredPrimaryTypeNameSet().contains(nodeTypeName)) {
throw new InvalidNodeTypeDefinitionException(
JcrI18n.cannotUnregisterRequiredPrimaryType.text(
name, nodeType.getName(), childNode.getName()));
}
}
}
}
// Create the new cache ...
NodeTypes newNodeTypes = nodeTypes.without(removedNodeTypes);
// Remove the node types from persistent storage ...
SessionCache system = repository.createSystemSession(context, false);
SystemContent systemContent = new SystemContent(system);
systemContent.unregisterNodeTypes(
removedNodeTypes.toArray(new JcrNodeType[removedNodeTypes.size()]));
systemContent.save();
// Now change the cache ...
this.nodeTypesCache = newNodeTypes;
this.schemata = null;
} finally {
nodeTypesLock.writeLock().unlock();
}
}
