Examples of org.dspace.event.Event

org.dspace.event.Event
An Event object represents a single action that changed one object in the DSpace data model. An "atomic" action at the application or business-logic API level may spawn many of these events.
This class includes tools to help set and use the contents of the event. Note that it describes DSpace data object types in two ways: by the type identifiers in the Constants class, and also by an Event-specific bitmask (used by its internal filters). All public API calls use the Constants version of the data model types.
Note that the type of the event itself is actually descriptive of the action it performs: ADD, MODIFY, etc. The most significant elements of the event are:

- (Action) Type
- Subject -- DSpace object to which the action applies, e.g. the Collection to which an ADD adds a member.
- Object -- optional, when present it is the other object effected by an action, e.g. the Item ADDed to a Collection by an ADD.
- detail -- a textual summary of what changed, content and its significance varies by the combination of action and subject type.
- timestamp -- exact millisecond timestamp at which event was logged. @version $Revision: 3762 $

                TableRow mappingRow = DatabaseManager.row("community2collection");


                mappingRow.setColumn("community_id", getID());
                mappingRow.setColumn("collection_id", c.getID());


                ourContext.addEvent(new Event(Event.ADD, Constants.COMMUNITY, 
                        getID(), Constants.COLLECTION, c.getID(), c.getHandle(),
                        getIdentifiers(ourContext)));


                DatabaseManager.insert(ourContext, mappingRow);
            }

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                TableRow mappingRow = DatabaseManager.row("community2community");


                mappingRow.setColumn("parent_comm_id", getID());
                mappingRow.setColumn("child_comm_id", c.getID());


                ourContext.addEvent(new Event(Event.ADD, Constants.COMMUNITY, 
                        getID(), Constants.COMMUNITY, c.getID(), c.getHandle(),
                        getIdentifiers(ourContext)));


                DatabaseManager.insert(ourContext, mappingRow);
            }

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            // log the removal & trigger any associated event(s)
            log.info(LogManager.getHeader(ourContext, "remove_collection",
                    "community_id=" + getID() + ",collection_id=" + removedId));
        
            ourContext.addEvent(new Event(Event.REMOVE, Constants.COMMUNITY, getID(), 
                    Constants.COLLECTION, removedId, removedHandle, removedIdentifiers));
        }
        catch(SQLException|IOException e)
        {
            // Immediately abort the deletion, rolling back the transaction

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            // log the removal & trigger any related event(s)
            log.info(LogManager.getHeader(ourContext, "remove_subcommunity",
                    "parent_comm_id=" + getID() + ",child_comm_id=" + removedId));


            ourContext.addEvent(new Event(Event.REMOVE, Constants.COMMUNITY, getID(), Constants.COMMUNITY, removedId, removedHandle, removedIdentifiers));
        }
        catch(SQLException|IOException e)
        {
            // Immediately abort the deletion, rolling back the transaction
            ourContext.abort();

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            // Call rawDelete to clean up all sub-communities & collections
            // under this Community, then delete the Community itself
            rawDelete();


            // Since this is a top level Community, simulate a REMOVE event at the Site.
            ourContext.addEvent(new Event(Event.REMOVE, Constants.SITE, Site.SITE_ID,
                    Constants.COMMUNITY, getID(), getHandle(), getIdentifiers(ourContext)));
        } else {
            // This is a subcommunity, so let the parent remove it
            // NOTE: this essentially just logs event and calls "rawDelete()"
            parent.removeSubcommunity(this);

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        {
            g.delete();
        }


        // If everything above worked, then trigger any associated events
        ourContext.addEvent(new Event(Event.DELETE, Constants.COMMUNITY, deletedId, deletedHandle, deletedIdentifiers));
    }

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    @Override
    public void updateLastModified()
    {
        //Also fire a modified event since the community HAS been modified
        ourContext.addEvent(new Event(Event.MODIFY, Constants.COMMUNITY, 
                getID(), null, getIdentifiers(ourContext)));
    }

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        // Set the format to "unknown"
        Bitstream bitstream = find(context, bitstreamID);
        bitstream.setFormat(null);


        context.addEvent(new Event(Event.CREATE, Constants.BITSTREAM, 
                bitstreamID, null, bitstream.getIdentifiers(context)));


        return bitstream;
    }

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        // Set the format to "unknown"
        Bitstream bitstream = find(context, bitstreamID);
        bitstream.setFormat(null);


        context.addEvent(new Event(Event.CREATE, Constants.BITSTREAM, 
                bitstreamID, "REGISTER", bitstream.getIdentifiers(context)));


        return bitstream;
    }

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        DatabaseManager.update(ourContext, bRow);


        if (modified)
        {
            ourContext.addEvent(new Event(Event.MODIFY, Constants.BITSTREAM, getID(), null, getIdentifiers(ourContext)));
            modified = false;
        }
        if (modifiedMetadata)
        {
            updateMetadata();

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org.apache.commons.lang.builder.HashCodeBuilder

org.dspace.content.Bitstream

org.dspace.content.Bundle

org.dspace.content.Collection

org.dspace.content.Community

org.dspace.content.DSpaceObject

org.dspace.content.InstallItem

org.dspace.content.Item

org.dspace.eperson.EPerson

org.dspace.eperson.Group

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