public static void removeTablesFromCurrentCatalogOrSchema(
String dbsid,
String schema,
DatabaseConnection dbconn,
Collection<? extends MetadataTable> tablesToDelete) {
boolean hasSchemaInCatalog = false;
Catalog c = (Catalog) ConnectionHelper.getPackage(dbsid, dbconn, Catalog.class);
Schema s = (Schema) ConnectionHelper.getPackage(schema, dbconn, Schema.class);
List<Schema> subschemas = new ArrayList<Schema>();
if (c != null) {
subschemas = CatalogHelper.getSchemas(c);
hasSchemaInCatalog = subschemas.size() > 0;
}
if (c != null && s == null && !hasSchemaInCatalog) { // only catalog
c.getOwnedElement().removeAll(tablesToDelete);
} else if (s != null && !hasSchemaInCatalog && c == null) { // only schema
s.getOwnedElement().removeAll(tablesToDelete);
// PackageHelper.addMetadataTable(dbtable, s);
} else if (c != null && hasSchemaInCatalog) { // both schema and catalog
subschemas = CatalogHelper.getSchemas(c);
hasSchemaInCatalog = subschemas.size() > 0;
if (subschemas.size() > 0) {
for (Schema current : subschemas) {
if (current.getName().equals(schema)) {
s = current;
break;
}
}
/**
* if dont specifc a schema because of getUiSchema() is null,show all cataogs table by
* default,or it will cause bug 0016578
*/
if (s == null || "".equals(s)) {
// allTables = ConnectionHelper.getTables(dbconn);
// added for bug 17467
// set db connection's schema as null, and retrieve schema again, to remove some tables
EList<ModelElement> ownedElement = c.getOwnedElement();
if (ownedElement instanceof EObjectContainmentWithInverseEList) {
EObjectContainmentWithInverseEList elist =
(EObjectContainmentWithInverseEList) ownedElement;
if (!elist.isEmpty() && elist.size() > 0) {
for (int i = 0; i < elist.size(); i++) {
Object object = elist.get(i);
if (object instanceof SchemaImpl) {
SchemaImpl schemaImpl = (SchemaImpl) object;
EList<ModelElement> ownedElement2 = schemaImpl.getOwnedElement();
ownedElement2.removeAll(tablesToDelete);
}
}
}
}
ownedElement.removeAll(tablesToDelete);
} else {
s.getOwnedElement().removeAll(tablesToDelete);
}
// PackageHelper.addMetadataTable(dbtable, s);
}
} else {
// return nothing
}
}
private static void addTableForTemCatalogOrSchema(
String dbsid,
String schema,
DatabaseConnection connection,
MetadataTable dbtable,
IMetadataConnection iMetadataConnection,
int stackCount)
throws ClassNotFoundException, InstantiationException, IllegalAccessException, SQLException {
if (3 < stackCount) {
// if loop count is more than 3 times, seems it will never end this loop, and will never get
// the dbsid and
// schema
return;
}
boolean hasSchemaInCatalog = false;
boolean isAccess =
EDatabaseTypeName.ACCESS.getDisplayName().equals(iMetadataConnection.getDbType());
Catalog c = (Catalog) ConnectionHelper.getPackage(dbsid, connection, Catalog.class);
Schema s = (Schema) ConnectionHelper.getPackage(schema, connection, Schema.class);
List<Schema> subschemas = new ArrayList<Schema>();
if (c != null) {
subschemas = CatalogHelper.getSchemas(c);
hasSchemaInCatalog = subschemas.size() > 0;
}
if (c != null && s == null && !hasSchemaInCatalog) { // only catalog
PackageHelper.addMetadataTable(dbtable, c);
} else if (s != null && !hasSchemaInCatalog && c == null) { // only schema
PackageHelper.addMetadataTable(dbtable, s);
} else if (c != null && hasSchemaInCatalog) { // both schema and catalog
subschemas = CatalogHelper.getSchemas(c);
hasSchemaInCatalog = subschemas.size() > 0;
if (subschemas.size() > 0) {
for (Schema current : subschemas) {
if (current.getName().equals(schema)) {
s = current;
break;
}
}
if (s != null) {
// for bug 16794
if (s instanceof SchemaImpl) {
SchemaImpl schemaElement = (SchemaImpl) s;
EList<ModelElement> ownedElement = schemaElement.getOwnedElement();
ownedElement.add(dbtable);
}
} else if (subschemas.size() > 0) {
// added for bug 17467
// set db connection's schema as null, and retrieve schema again, to add some tables
for (int i = 0; i < subschemas.size(); i++) {
SchemaImpl schemaElement = (SchemaImpl) subschemas.get(i);
EList<ModelElement> ownedElement = schemaElement.getOwnedElement();
ownedElement.add(dbtable);
}
}
// PackageHelper.addMetadataTable(dbtable, s);
}
} else if (s == null
&& c == null
&& !isAccess
&& stackCount == 1) { // TDI-20584:after migration from 4.0 to
// 4.2,lost all catalogs
// and schemas for database
// in case after migration connetion from the version before 4.0,there is no any db structure
// on
// temConnection,it will casue pbs,so sychronize with imetadataConnection
fillCatalogAndSchemas(iMetadataConnection, connection);
addTableForTemCatalogOrSchema(
dbsid, schema, connection, dbtable, iMetadataConnection, stackCount + 1);
} else {
/*
* if there is no catalog or schema,create the structure correctly rather than always create a catalog,found
* this issue when fixing bug 16636
*/
ProjectNodeHelper.addCatalogOrSchema(iMetadataConnection, connection);
if (isAccess) {
addTableForTemCatalogOrSchema(
dbsid, connection.getName(), connection, dbtable, iMetadataConnection, stackCount + 1);
} else {
addTableForTemCatalogOrSchema(
dbsid, schema, connection, dbtable, iMetadataConnection, stackCount + 1);
}
}
}