private void deleteDataBean(DataBean bean) {
// remove from operation history
for (DataBean source : databeans()) {
// we must iterate all datas because links cannot be trusted (they might have been removed by
// user)
OperationRecord operationRecord = source.getOperationRecord();
if (operationRecord != null) {
operationRecord.removeInput(bean);
}
}
// remove links
for (Link linkType : Link.values()) {
// Remove outgoing links
for (DataBean target : bean.getLinkTargets(linkType)) {
bean.removeLink(linkType, target);
}
// Remove incoming links
for (DataBean source : bean.getLinkSources(linkType)) {
source.removeLink(linkType, bean);
}
}
// remove bean
DataFolder folder = bean.getParent();
if (folder != null) {
disconnectChild(bean, folder);
}
// remove physical file
bean.delete();
}
private void linkDataBeans() {
for (DataBean dataBean : dataBeans.values()) {
for (LinkType linkType : dataTypes.get(dataBean).getLink()) {
// if something goes wrong for this link, continue with others
try {
String targetID = linkType.getTarget();
if (targetID != null) {
DataBean targetBean = dataBeans.get(targetID);
if (targetBean != null) {
dataBean.addLink(Link.valueOf(linkType.getType()), targetBean);
}
}
} catch (Exception e) {
logger.warn("could not add link", e);
continue;
}
}
}
}