// initialize the DR gateway
m_partitionDRGateway =
PartitionDRGateway.getInstance(partitionId, nodeDRGateway, m_rejoining);
if (voltdb.getBackendTargetType() == BackendTarget.NONE) {
ee = new MockExecutionEngine();
hsql = null;
}
else if (voltdb.getBackendTargetType() == BackendTarget.HSQLDB_BACKEND) {
hsql = HsqlBackend.initializeHSQLBackend(m_siteId, m_context);
ee = new MockExecutionEngine();
}
else {
String serializedCatalog = serializedCatalogIn;
if (serializedCatalog == null) {
serializedCatalog = voltdb.getCatalogContext().catalog.serialize();