@Override
public Set<OClass> getClassesRelyOnCluster(final String clusterName) {
getDatabase().checkSecurity(ORule.ResourceGeneric.SCHEMA, ORole.PERMISSION_READ);
acquireSchemaReadLock();
try {
final int clusterId = getDatabase().getClusterIdByName(clusterName);
final Set<OClass> result = new HashSet<OClass>();
for (OClass c : classes.values()) {
if (OArrays.contains(c.getPolymorphicClusterIds(), clusterId)) result.add(c);
}
return result;
} finally {
releaseSchemaReadLock();
}
}
private OClass createClassInternal(
final String className, final int[] clusterIdsToAdd, final List<OClass> superClasses)
throws ClusterIdsAreEmptyException {
acquireSchemaWriteLock();
try {
if (className == null || className.length() == 0)
throw new OSchemaException("Found class name null or empty");
if (Character.isDigit(className.charAt(0)))
throw new OSchemaException("Found invalid class name. Cannot start with numbers");
final Character wrongCharacter = checkClassNameIfValid(className);
if (wrongCharacter != null)
throw new OSchemaException(
"Found invalid class name. Character '"
+ wrongCharacter
+ "' cannot be used in class name.");
final ODatabaseDocumentInternal database = getDatabase();
final OStorage storage = database.getStorage();
checkEmbedded(storage);
checkClustersAreAbsent(clusterIdsToAdd);
final int[] clusterIds;
if (clusterIdsToAdd == null || clusterIdsToAdd.length == 0) {
throw new ClusterIdsAreEmptyException();
} else clusterIds = clusterIdsToAdd;
database.checkSecurity(ORule.ResourceGeneric.SCHEMA, ORole.PERMISSION_CREATE);
final String key = className.toLowerCase();
if (classes.containsKey(key))
throw new OSchemaException("Class " + className + " already exists in current database");
OClassImpl cls = new OClassImpl(this, className, clusterIds);
classes.put(key, cls);
if (superClasses != null && superClasses.size() > 0) {
cls.setSuperClassesInternal(superClasses);
for (OClass superClass : superClasses) {
// UPDATE INDEXES
final int[] clustersToIndex = superClass.getPolymorphicClusterIds();
final String[] clusterNames = new String[clustersToIndex.length];
for (int i = 0; i < clustersToIndex.length; i++)
clusterNames[i] = database.getClusterNameById(clustersToIndex[i]);
for (OIndex<?> index : superClass.getIndexes())
for (String clusterName : clusterNames)
if (clusterName != null)
database
.getMetadata()
.getIndexManager()
.addClusterToIndex(clusterName, index.getName());
}
}
addClusterClassMap(cls);
return cls;
} finally {
releaseSchemaWriteLock();
}
}