Revision 44354
Added by Michele Artini over 7 years ago
| DelegatingDiffTrigger.java | ||
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import java.util.List; |
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import java.util.Map; |
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import eu.dnetlib.miscutils.functional.xml.XMLIndenter; |
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import eu.dnetlib.xml.database.Trigger; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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import org.exist.collections.Collection; |
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import org.exist.storage.txn.Txn; |
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import org.exist.xmldb.XmldbURI; |
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import eu.dnetlib.miscutils.functional.xml.XMLIndenter; |
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import eu.dnetlib.xml.database.Trigger; |
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/** |
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* this trigger delegates diffs for CRUDE events to an non-exist dependent eu.dnetlib.xml.database.Trigger instance. |
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* |
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* Since eXist triggers are instantiated by eXist, we need to locate the Trigger instances which are registered to the |
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* database instance. |
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* |
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* |
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* Since eXist triggers are instantiated by eXist, we need to locate the Trigger instances which are registered to the database instance. |
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* |
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* @author marko |
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*
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* |
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*/ |
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public class DelegatingDiffTrigger extends SAXTrigger {
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/** |
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* logger. |
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*/ |
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*/ |
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private String triggerName; |
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private Map<String, ExistsTriggerEvent> existsTriggerEventMap= new HashMap<>(); |
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private Map<String, ExistsTriggerEvent> existsTriggerEventMap = new HashMap<>();
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private XMLIndenter indenter = new XMLIndenter(); |
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/** |
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* {@inheritDoc}
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*
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* @see org.exist.collections.triggers.FilteringTrigger#configure(org.exist.storage.DBBroker, |
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* org.exist.collections.Collection, java.util.Map)
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* |
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* @see org.exist.collections.triggers.FilteringTrigger#configure(org.exist.storage.DBBroker, org.exist.collections.Collection,
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* java.util.Map) |
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*/ |
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@SuppressWarnings("unchecked")
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@Override |
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public void configure(DBBroker dbBroker, Collection parent, Map<String, List<?>> parameters) throws TriggerException {
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public void configure(final DBBroker dbBroker, final Collection parent, final Map<String, List<?>> parameters) throws TriggerException {
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super.configure(dbBroker, parent, parameters); |
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if (parameters == null) |
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return; |
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if (parameters == null) { return; }
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final Map<String, List<?>> params = parameters; |
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if(parameters.containsKey("triggerName")){
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final List<?> myTriggerName = parameters.get("triggerName");
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if(myTriggerName!= null && myTriggerName.size()==1){
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if (parameters.containsKey("triggerName")) {
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final List<?> myTriggerName = parameters.get("triggerName");
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if ((myTriggerName != null) && (myTriggerName.size() == 1)) {
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setTriggerName(myTriggerName.get(0).toString()); |
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} |
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} |
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/** |
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* find the trigger instance associated with this delegation. |
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*
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* |
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* @return trigger instance |
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*/ |
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protected Trigger getTrigger() {
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} |
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public void setTriggerName(final String triggerId) {
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this.triggerName = triggerId;
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triggerName = triggerId; |
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} |
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@Override |
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public void beforeCreateDocument(final DBBroker dbBroker, final Txn txn, final XmldbURI xmldbURI) throws TriggerException {
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final Trigger trigger = getTrigger(); |
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final String collection = document.getCollection().getURI().toString(); |
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final String fileName = document.getFileURI().toString(); |
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if (trigger != null) |
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if (trigger != null) {
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trigger.created(fileName, collection, document); |
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} catch (Exception e) {
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} |
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} catch (final Exception e) {
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throw new TriggerException(e); |
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} |
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} |
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event.setCollection(collection); |
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event.setName(fileName); |
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existsTriggerEventMap.put(String.valueOf(txn.getId()), event); |
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} catch (Exception e) {
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throw new TriggerException((e)); |
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} catch (final Exception e) {
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throw new TriggerException(e); |
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} |
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} |
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|
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public void afterUpdateDocument(final DBBroker dbBroker, final Txn txn, final DocumentImpl document) throws TriggerException {
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try {
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if (!existsTriggerEventMap.containsKey(String.valueOf(txn.getId()))) {
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throw new TriggerException("Error on trigger missing previous operation beforeUpdateTrigger");
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} |
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if (!existsTriggerEventMap.containsKey( |
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String.valueOf(txn.getId()))) { throw new TriggerException("Error on trigger missing previous operation beforeUpdateTrigger"); }
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final ExistsTriggerEvent existsTriggerEvent = existsTriggerEventMap.remove(String.valueOf(txn.getId())); |
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existsTriggerEvent.setDocument(indenter.parseXmlString(XMLIndenter.indent(document))); |
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final Trigger trigger = getTrigger(); |
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if (trigger != null) |
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if (trigger != null) {
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trigger.updated(existsTriggerEvent.getName(), existsTriggerEvent.getCollection(), existsTriggerEvent.getOldDocument(), |
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existsTriggerEvent.getDocument()); |
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} catch (Exception e) {
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throw new TriggerException((e)); |
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} |
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} catch (final Exception e) {
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throw new TriggerException(e); |
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} |
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} |
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|
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final Trigger trigger = getTrigger(); |
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final String collection = document.getCollection().getURI().toString(); |
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final String fileName = document.getFileURI().toString(); |
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if (trigger != null) |
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if (trigger != null) {
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trigger.deleted(fileName, collection, indenter.parseXmlString(XMLIndenter.indent(document))); |
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} catch (Exception e) {
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} |
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} catch (final Exception e) {
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throw new TriggerException(e); |
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} |
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} |
Also available in: Unified diff
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