@Override
public <S extends StreamDefinition> S save(S entity) {
try {
Map<String, String> map = new HashMap<>();
map.put(DEFINITION_KEY, entity.getDefinition());
map.put(
MODULE_DEFINITIONS_KEY, objectWriter.writeValueAsString(entity.getModuleDefinitions()));
CuratorFramework client = zkConnection.getClient();
String path = Paths.build(Paths.STREAMS, entity.getName());
byte[] binary = ZooKeeperUtils.mapToBytes(map);
BackgroundPathAndBytesable<?> op =
client.checkExists().forPath(path) == null ? client.create() : client.setData();
op.forPath(path, binary);
logger.trace("Saved stream {} with properties {}", path, map);
StreamDefinitionRepositoryUtils.saveDependencies(moduleDependencyRepository, entity);
} catch (Exception e) {
// NodeExistsException indicates that we tried to create the
// path just after another thread/jvm successfully created it
ZooKeeperUtils.wrapAndThrowIgnoring(e, NodeExistsException.class);
}
return entity;
}
@Override
public void delete(StreamDefinition entity) {
StreamDefinitionRepositoryUtils.deleteDependencies(moduleDependencyRepository, entity);
this.delete(entity.getName());
}