protected Iterator<? extends OIdentifiable> searchInClasses(
final OClass iCls, final boolean iPolymorphic, final boolean iAscendentOrder) {
final ODatabaseDocumentInternal database = getDatabase();
database.checkSecurity(
ORule.ResourceGeneric.CLASS, ORole.PERMISSION_READ, iCls.getName().toLowerCase());
final ORID[] range = getRange();
if (iAscendentOrder)
return new ORecordIteratorClass<ORecord>(
database, database, iCls.getName(), iPolymorphic, isUseCache(), false)
.setRange(range[0], range[1]);
else
return new ORecordIteratorClassDescendentOrder<ORecord>(
database, database, iCls.getName(), iPolymorphic)
.setRange(range[0], range[1]);
}
protected void searchInClusters() {
final ODatabaseDocumentInternal database = getDatabase();
final Set<Integer> clusterIds = new HashSet<Integer>();
for (String clusterName : parsedTarget.getTargetClusters().keySet()) {
if (clusterName == null || clusterName.length() == 0)
throw new OCommandExecutionException("No cluster or schema class selected in query");
database.checkSecurity(
ORule.ResourceGeneric.CLUSTER, ORole.PERMISSION_READ, clusterName.toLowerCase());
if (Character.isDigit(clusterName.charAt(0))) {
// GET THE CLUSTER NUMBER
for (int clusterId : OStringSerializerHelper.splitIntArray(clusterName)) {
if (clusterId == -1)
throw new OCommandExecutionException("Cluster '" + clusterName + "' not found");
clusterIds.add(clusterId);
}
} else {
// GET THE CLUSTER NUMBER BY THE CLASS NAME
final int clusterId = database.getClusterIdByName(clusterName.toLowerCase());
if (clusterId == -1)
throw new OCommandExecutionException("Cluster '" + clusterName + "' not found");
clusterIds.add(clusterId);
}
}
// CREATE CLUSTER AS ARRAY OF INT
final int[] clIds = new int[clusterIds.size()];
int i = 0;
for (int c : clusterIds) clIds[i++] = c;
final ORID[] range = getRange();
target =
new ORecordIteratorClusters<ORecord>(database, database, clIds)
.setRange(range[0], range[1]);
}
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();
}
}