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 $

        addDC("description", "provenance", "en", prov);


        // Update item in DB
        update();


        ourContext.addEvent(new Event(Event.MODIFY, Constants.ITEM, getID(), "WITHDRAW"));


        // and all of our authorization policies
        // FIXME: not very "multiple-inclusion" friendly
        AuthorizeManager.removeAllPolicies(ourContext, this);

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        addDC("description", "provenance", "en", prov);


        // Update item in DB
        update();


        ourContext.addEvent(new Event(Event.MODIFY, Constants.ITEM, getID(), "REINSTATE"));


        // authorization policies
        if (colls.length > 0)
        {
            // FIXME: not multiple inclusion friendly - just apply access

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     * @throws AuthorizeException
     * @throws IOException
     */
    void delete() throws SQLException, AuthorizeException, IOException
    {
        ourContext.addEvent(new Event(Event.DELETE, Constants.ITEM, getID(), getHandle()));


        log.info(LogManager.getHeader(ourContext, "delete_item", "item_id="
                + getID()));


        // Remove from cache

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            // care about the structure of the repository can take account of the move


            // Note that updating the owning collection above will have the same effect,
            // so we only do this here if the owning collection hasn't changed.
            
            ourContext.addEvent(new Event(Event.MODIFY, Constants.ITEM, getID(), null));
        }
    }

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        // amazingly efficient but creates don't happen that often.
        context.turnOffAuthorisationSystem();
        i.update();
        context.restoreAuthSystemState();


        context.addEvent(new Event(Event.CREATE, Constants.ITEM, i.getID(), null));


        log.info(LogManager.getHeader(context, "create_item", "item_id="
                + row.getIntColumn("item_id")));


        return i;

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        try {
            Date lastModified = new Timestamp(new Date().getTime());
            itemRow.setColumn("last_modified", lastModified);
            DatabaseManager.updateQuery(ourContext, "UPDATE item SET last_modified = ? WHERE item_id= ? ", lastModified, getID());
            //Also fire a modified event since the item HAS been modified
            ourContext.addEvent(new Event(Event.MODIFY, Constants.ITEM, getID(), null));
        } catch (SQLException e) {
            log.error(LogManager.getHeader(ourContext, "Error while updating last modified timestamp", "Item: " + getID()));
        }
    }

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        TableRow mappingRow = DatabaseManager.row("item2bundle");
        mappingRow.setColumn("item_id", getID());
        mappingRow.setColumn("bundle_id", b.getID());
        DatabaseManager.insert(ourContext, mappingRow);


        ourContext.addEvent(new Event(Event.ADD, Constants.ITEM, getID(), Constants.BUNDLE, b.getID(), b.getName()));
    }

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        DatabaseManager.updateQuery(ourContext,
                "DELETE FROM item2bundle WHERE item_id= ? " +
                "AND bundle_id= ? ",
                getID(), b.getID());


        ourContext.addEvent(new Event(Event.REMOVE, Constants.ITEM, getID(), Constants.BUNDLE, b.getID(), b.getName()));


        // If the bundle is orphaned, it's removed
        TableRowIterator tri = DatabaseManager.query(ourContext,
                "SELECT * FROM item2bundle WHERE bundle_id= ? ",
                b.getID());

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            DatabaseManager.update(ourContext, itemRow);


            if (dublinCoreChanged)
            {
                ourContext.addEvent(new Event(Event.MODIFY_METADATA, Constants.ITEM, getID(), getDetails()));
                clearDetails();
                dublinCoreChanged = false;
            }


            ourContext.addEvent(new Event(Event.MODIFY, Constants.ITEM, getID(), null));
            modified = false;
        }
    }

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        addDC("description", "provenance", "en", prov.toString());


        // Update item in DB
        update();


        ourContext.addEvent(new Event(Event.MODIFY, Constants.ITEM, getID(), "WITHDRAW"));


        // remove all authorization policies, saving the custom ones
        AuthorizeManager.removeAllPoliciesByDSOAndTypeNotEqualsTo(ourContext, this, ResourcePolicy.TYPE_CUSTOM);


        // Write log

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