Added TagName and TagSet events

bindings/java/src/org/sleuthkit/datamodel/SleuthkitCase.java

@@ -11351,10 +11351,11 @@ public List<TagName> getTagNamesInUse(long dsObjId) throws TskCoreException {
 	 * @return A TagName data transfer object (DTO) for the new row.
 	 *
 	 * @throws TskCoreException
-	 * @deprecated addOrUpdateTagName should be used this method calls
-	 * addOrUpdateTagName with a default knownStatus value
+	 * @deprecated TaggingManager.addOrUpdateTagName should be used instead
+	 *	with the default knowStatus of TskData.FileKnown.UNKNOWN
 	 */
 	@Deprecated
+	@SuppressWarnings("deprecation")
 	public TagName addTagName(String displayName, String description, TagName.HTML_COLOR color) throws TskCoreException {
 		return addOrUpdateTagName(displayName, description, color, TskData.FileKnown.UNKNOWN);
 	}
@@ -11372,35 +11373,11 @@ public TagName addTagName(String displayName, String description, TagName.HTML_C
 	 * @return A TagName data transfer object (DTO) for the new row.
 	 *
 	 * @throws TskCoreException
+	 * @deprecated This method has been replaced by TaggingManager.addOrUpdateTagName.
 	 */
+	@Deprecated
 	public TagName addOrUpdateTagName(String displayName, String description, TagName.HTML_COLOR color, TskData.FileKnown knownStatus) throws TskCoreException {
-		acquireSingleUserCaseWriteLock();
-		try (CaseDbConnection connection = connections.getConnection();) {
-			PreparedStatement statement;
-			// INSERT INTO tag_names (display_name, description, color, knownStatus) VALUES (?, ?, ?, ?) ON CONFLICT (display_name) DO UPDATE SET description = ?, color = ?, knownStatus = ?
-			statement = connection.getPreparedStatement(PREPARED_STATEMENT.INSERT_OR_UPDATE_TAG_NAME, Statement.RETURN_GENERATED_KEYS);
-			statement.clearParameters();
-			statement.setString(5, description);
-			statement.setString(6, color.getName());
-			statement.setByte(7, knownStatus.getFileKnownValue());
-			statement.setString(1, displayName);
-			statement.setString(2, description);
-			statement.setString(3, color.getName());
-			statement.setByte(4, knownStatus.getFileKnownValue());
-			connection.executeUpdate(statement);
-
-			statement = connection.getPreparedStatement(PREPARED_STATEMENT.SELECT_TAG_NAME_BY_NAME);
-			statement.clearParameters();
-			statement.setString(1, displayName);
-			try (ResultSet resultSet = connection.executeQuery(statement)) {
-				resultSet.next();
-				return new TagName(resultSet.getLong("tag_name_id"), displayName, description, color, knownStatus, resultSet.getLong("tag_set_id"), resultSet.getInt("rank"));
-			}
-		} catch (SQLException ex) {
-			throw new TskCoreException("Error adding row for " + displayName + " tag name to tag_names table", ex);
-		} finally {
-			releaseSingleUserCaseWriteLock();
-		}
+		return getTaggingManager().addOrUpdateTagName(displayName, description, color, knownStatus);
 	}
 	/**
@@ -12922,7 +12899,7 @@ private enum PREPARED_STATEMENT {
 				+ "FROM tsk_objects INNER JOIN blackboard_artifacts " //NON-NLS
 				+ "ON tsk_objects.obj_id=blackboard_artifacts.obj_id " //NON-NLS
 				+ "WHERE (tsk_objects.par_obj_id = ?)"),
-		INSERT_OR_UPDATE_TAG_NAME("INSERT INTO tag_names (display_name, description, color, knownStatus) VALUES (?, ?, ?, ?) ON CONFLICT (display_name) DO UPDATE SET description = ?, color = ?, knownStatus = ?"),
+//		INSERT_OR_UPDATE_TAG_NAME("INSERT INTO tag_names (display_name, description, color, knownStatus) VALUES (?, ?, ?, ?) ON CONFLICT (display_name) DO UPDATE SET description = ?, color = ?, knownStatus = ?"),
 		SELECT_EXAMINER_BY_ID("SELECT * FROM tsk_examiners WHERE examiner_id = ?"),
 		SELECT_EXAMINER_BY_LOGIN_NAME("SELECT * FROM tsk_examiners WHERE login_name = ?"),
 		INSERT_EXAMINER_POSTGRESQL("INSERT INTO tsk_examiners (login_name) VALUES (?) ON CONFLICT DO NOTHING"),
@@ -12941,8 +12918,7 @@ private enum PREPARED_STATEMENT {
 		INSERT_POOL_INFO("INSERT INTO tsk_pool_info (obj_id, pool_type) VALUES (?, ?)"),
 		INSERT_FS_INFO("INSERT INTO tsk_fs_info (obj_id, data_source_obj_id, img_offset, fs_type, block_size, block_count, root_inum, first_inum, last_inum, display_name)"
 				+ "VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)"),
-		SELECT_TAG_NAME_BY_ID("SELECT * FROM tag_names where tag_name_id = ?"),
-		SELECT_TAG_NAME_BY_NAME("SELECT * FROM tag_names where display_name = ?");
+		SELECT_TAG_NAME_BY_ID("SELECT * FROM tag_names where tag_name_id = ?");
 		private final String sql;

bindings/java/src/org/sleuthkit/datamodel/TagSet.java

@@ -72,7 +72,7 @@ public List<TagName> getTagNames() {
 	 *
 	 * @return TagSet id value.
 	 */
-	long getId() {
+	public long getId() {
 		return id;
 	}
 

bindings/java/src/org/sleuthkit/datamodel/TaggingManager.java

 /*
  * Sleuth Kit Data Model
  *
- * Copyright 2020 Basis Technology Corp.
+ * Copyright 2020-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -18,6 +18,7 @@
  */
 package org.sleuthkit.datamodel;
 
+import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.Statement;
@@ -28,6 +29,11 @@
 import org.sleuthkit.datamodel.SleuthkitCase.CaseDbConnection;
 import org.sleuthkit.datamodel.SleuthkitCase.CaseDbTransaction;
 import static org.sleuthkit.datamodel.TskData.DbType.POSTGRESQL;
+import org.sleuthkit.datamodel.TskEvent.TagNamesAddedTskEvent;
+import org.sleuthkit.datamodel.TskEvent.TagNamesDeletedTskEvent;
+import org.sleuthkit.datamodel.TskEvent.TagNamesUpdatedTskEvent;
+import org.sleuthkit.datamodel.TskEvent.TagSetsAddedTskEvent;
+import org.sleuthkit.datamodel.TskEvent.TagSetsDeletedTskEvent;
 
 /**
  * Provides an API to manage Tags.
@@ -54,10 +60,10 @@ public class TaggingManager {
 	 */
 	public List<TagSet> getTagSets() throws TskCoreException {
 		List<TagSet> tagSetList = new ArrayList<>();
-		
+
 		skCase.acquireSingleUserCaseReadLock();
 		String getAllTagSetsQuery = "SELECT * FROM tsk_tag_sets";
-		try (CaseDbConnection connection = skCase.getConnection();Statement stmt = connection.createStatement(); ResultSet resultSet = stmt.executeQuery(getAllTagSetsQuery);) {
+		try (CaseDbConnection connection = skCase.getConnection(); Statement stmt = connection.createStatement(); ResultSet resultSet = stmt.executeQuery(getAllTagSetsQuery);) {
 			while (resultSet.next()) {
 				int setID = resultSet.getInt("tag_set_id");
 				String setName = resultSet.getString("name");
@@ -121,6 +127,8 @@ public TagSet addTagSet(String name, List<TagName> tagNames) throws TskCoreExcep
 					}
 				}
 				tagSet = new TagSet(setID, name, updatedTags);
+				skCase.fireTSKEvent(new TagSetsAddedTskEvent(Collections.singletonList(tagSet)));
+				skCase.fireTSKEvent(new TagNamesUpdatedTskEvent(updatedTags));
 			}
 			trans.commit();
 		} catch (SQLException ex) {
@@ -158,6 +166,14 @@ public void deleteTagSet(TagSet tagSet) throws TskCoreException {
 			queryTemplate = "DELETE FROM tsk_tag_sets WHERE tag_set_id = '%d'";
 			stmt.execute(String.format(queryTemplate, tagSet.getId()));
 			trans.commit();
+
+			List<Long> tagNameIds = new ArrayList<>();
+			for (TagName tagName : tagSet.getTagNames()) {
+				tagNameIds.add(tagName.getId());
+			}
+
+			skCase.fireTSKEvent(new TagSetsDeletedTskEvent(Collections.singletonList(tagSet.getId())));
+			skCase.fireTSKEvent(new TagNamesDeletedTskEvent(tagNameIds));
 		} catch (SQLException ex) {
 			trans.rollback();
 			throw new TskCoreException(String.format("Error deleting tag set where id = %d.", tagSet.getId()), ex);
@@ -177,15 +193,15 @@ public TagSet getTagSet(TagName tagName) throws TskCoreException {
 		if (tagName == null) {
 			throw new IllegalArgumentException("Null tagName argument");
 		}
-		
+
 		if (tagName.getTagSetId() <= 0) {
 			return null;
 		}
-		
+
 		skCase.acquireSingleUserCaseReadLock();
 		TagSet tagSet = null;
 		String sqlQuery = String.format("SELECT * FROM tsk_tag_sets WHERE tag_set_id = %d", tagName.getTagSetId());
-		try (CaseDbConnection connection = skCase.getConnection();Statement stmt = connection.createStatement(); ResultSet resultSet = stmt.executeQuery(sqlQuery);) {
+		try (CaseDbConnection connection = skCase.getConnection(); Statement stmt = connection.createStatement(); ResultSet resultSet = stmt.executeQuery(sqlQuery);) {
 			if (resultSet.next()) {
 				int setID = resultSet.getInt("tag_set_id");
 				String setName = resultSet.getString("name");
@@ -199,6 +215,39 @@ public TagSet getTagSet(TagName tagName) throws TskCoreException {
 		}
 	}
 
+	/**
+	 * Return a TagSet object for the given id.
+	 *
+	 * @param id TagSet id.
+	 *
+	 * @return The TagSet represented by the given it, or null if one was not
+	 *         found.
+	 *
+	 * @throws TskCoreException
+	 */
+	public TagSet getTagSet(long id) throws TskCoreException {
+		TagSet tagSet = null;
+		String preparedQuery = "Select * FROM tsk_tag_sets WHERE tag_set_id = ?";
+		skCase.acquireSingleUserCaseReadLock();
+		try (CaseDbConnection connection = skCase.getConnection(); PreparedStatement statement = connection.getPreparedStatement(preparedQuery, Statement.NO_GENERATED_KEYS)) {
+			statement.setLong(1, id);
+			try (ResultSet resultSet = statement.executeQuery()) {
+				if (resultSet.next()) {
+					int setID = resultSet.getInt("tag_set_id");
+					String setName = resultSet.getString("name");
+					tagSet = new TagSet(setID, setName, getTagNamesByTagSetID(setID));
+				}
+			}
+
+		} catch (SQLException ex) {
+			throw new TskCoreException(String.format("Error occurred getting TagSet (ID=%d)", id), ex);
+		} finally {
+			skCase.releaseSingleUserCaseReadLock();
+		}
+
+		return tagSet;
+	}
+
 	/**
 	 * Inserts a row into the blackboard_artifact_tags table in the case
 	 * database.
@@ -216,7 +265,7 @@ public BlackboardArtifactTagChange addArtifactTag(BlackboardArtifact artifact, T
 		if (artifact == null || tagName == null) {
 			throw new IllegalArgumentException("NULL argument passed to addArtifactTag");
 		}
-		
+
 		List<BlackboardArtifactTag> removedTags = new ArrayList<>();
 		List<String> removedTagIds = new ArrayList<>();
 		CaseDbTransaction trans = null;
@@ -254,15 +303,14 @@ public BlackboardArtifactTagChange addArtifactTag(BlackboardArtifact artifact, T
 					}
 				}
 
-				
 			}
-			
+
 			Content content = skCase.getContentById(artifact.getObjectID());
 			Examiner currentExaminer = skCase.getCurrentExaminer();
-			
+
 			trans = skCase.beginTransaction();
 			CaseDbConnection connection = trans.getConnection();
-			
+
 			if (!removedTags.isEmpty()) {
 				// Remove the tags.
 				String removeQuery = String.format("DELETE FROM blackboard_artifact_tags WHERE tag_id IN (%s)", String.join(",", removedTagIds));
@@ -274,7 +322,7 @@ public BlackboardArtifactTagChange addArtifactTag(BlackboardArtifact artifact, T
 			// Add the new Tag.
 			BlackboardArtifactTag artifactTag;
 			try (Statement stmt = connection.createStatement()) {
-				
+
 				String query = String.format(
 						"INSERT INTO blackboard_artifact_tags (artifact_id, tag_name_id, comment, examiner_id) VALUES (%d, %d, '%s', %d)",
 						artifact.getArtifactID(),
@@ -294,7 +342,7 @@ public BlackboardArtifactTagChange addArtifactTag(BlackboardArtifact artifact, T
 							artifact, content, tagName, comment, currentExaminer.getLoginName());
 				}
 			}
-			
+
 			skCase.getScoringManager().updateAggregateScoreAfterAddition(
 					artifact.getId(), artifact.getDataSourceObjectID(), getTagScore(tagName.getKnownStatus()), trans);
 
@@ -302,35 +350,36 @@ public BlackboardArtifactTagChange addArtifactTag(BlackboardArtifact artifact, T
 
 			return new BlackboardArtifactTagChange(artifactTag, removedTags);
 		} catch (SQLException ex) {
-			if(trans != null) {
+			if (trans != null) {
 				trans.rollback();
 			}
 			throw new TskCoreException("Error adding row to blackboard_artifact_tags table (obj_id = " + artifact.getArtifactID() + ", tag_name_id = " + tagName.getId() + ")", ex);
 		}
 	}
-	
 
 	/**
 	 * Returns the score based on this TagName object.
+	 *
 	 * @param knownStatus The known status of the tag.
+	 *
 	 * @return The relevant score.
 	 */
 	static Score getTagScore(TskData.FileKnown knownStatus) {
 		switch (knownStatus) {
-			case BAD: 
+			case BAD:
 				return Score.SCORE_NOTABLE;
-			case UNKNOWN: 
+			case UNKNOWN:
 			case KNOWN:
 			default:
 				return Score.SCORE_LIKELY_NOTABLE;
 		}
 	}
-	
-		/**
+
+	/**
 	 * Retrieves the maximum FileKnown status of any tag associated with the
 	 * object id.
 	 *
-	 * @param objectId   The object id of the item.
+	 * @param objectId    The object id of the item.
 	 * @param transaction The case db transaction to perform this query.
 	 *
 	 * @return The maximum FileKnown status for this object or empty.
@@ -385,7 +434,7 @@ public ContentTagChange addContentTag(Content content, TagName tagName, String c
 		Examiner currentExaminer = skCase.getCurrentExaminer();
 		CaseDbTransaction trans = skCase.beginTransaction();
 		CaseDbConnection connection = trans.getConnection();
-		
+
 		try {
 			long tagSetId = tagName.getTagSetId();
 
@@ -429,7 +478,7 @@ public ContentTagChange addContentTag(Content content, TagName tagName, String c
 			String queryTemplate = "INSERT INTO content_tags (obj_id, tag_name_id, comment, begin_byte_offset, end_byte_offset, examiner_id) VALUES (%d, %d, '%s', %d, %d, %d)";
 			ContentTag contentTag = null;
 			try (Statement stmt = connection.createStatement()) {
-				
+
 				String query = String.format(queryTemplate,
 						content.getId(),
 						tagName.getId(),
@@ -450,7 +499,7 @@ public ContentTagChange addContentTag(Content content, TagName tagName, String c
 							content, tagName, comment, beginByteOffset, endByteOffset, currentExaminer.getLoginName());
 				}
 			}
-			
+
 			Long dataSourceId = content.getDataSource() != null ? content.getDataSource().getId() : null;
 			skCase.getScoringManager().updateAggregateScoreAfterAddition(
 					content.getId(), dataSourceId, getTagScore(tagName.getKnownStatus()), trans);
@@ -463,6 +512,104 @@ public ContentTagChange addContentTag(Content content, TagName tagName, String c
 		}
 	}
 
+	/**
+	 * Inserts row into the tags_names table, or updates the existing row if the
+	 * displayName already exists in the tag_names table in the case database.
+	 *
+	 * @param displayName The display name for the new tag name.
+	 * @param description The description for the new tag name.
+	 * @param color       The HTML color to associate with the new tag name.
+	 * @param knownStatus The TskData.FileKnown value to associate with the new
+	 *                    tag name.
+	 *
+	 * @return A TagName data transfer object (DTO) for the new row.
+	 *
+	 * @throws TskCoreException
+	 */
+	public TagName addOrUpdateTagName(String displayName, String description, TagName.HTML_COLOR color, TskData.FileKnown knownStatus) throws TskCoreException {
+		String insertQuery = "INSERT INTO tag_names (display_name, description, color, knownStatus) VALUES (?, ?, ?, ?) ON CONFLICT (display_name) DO UPDATE SET description = ?, color = ?, knownStatus = ?";
+		boolean isUpdated = false;
+		skCase.acquireSingleUserCaseWriteLock();
+		try (CaseDbConnection connection = skCase.getConnection()) {
+			try (PreparedStatement statement = connection.getPreparedStatement("SELECT * FROM tag_names WHERE display_name = ?", Statement.NO_GENERATED_KEYS)) {
+				statement.setString(1, displayName);
+				try (ResultSet resultSet = statement.executeQuery()) {
+					isUpdated = resultSet.next();
+				}
+			}
+
+			try (PreparedStatement statement = connection.getPreparedStatement(insertQuery, Statement.RETURN_GENERATED_KEYS);) {
+				statement.clearParameters();
+				statement.setString(5, description);
+				statement.setString(6, color.getName());
+				statement.setByte(7, knownStatus.getFileKnownValue());
+				statement.setString(1, displayName);
+				statement.setString(2, description);
+				statement.setString(3, color.getName());
+				statement.setByte(4, knownStatus.getFileKnownValue());
+				statement.executeUpdate();
+			}
+
+			try (PreparedStatement statement = connection.getPreparedStatement("SELECT * FROM tag_names where display_name = ?", Statement.NO_GENERATED_KEYS)) {
+				statement.setString(1, displayName);
+				try (ResultSet resultSet = connection.executeQuery(statement)) {
+					resultSet.next();
+					TagName newTag = new TagName(resultSet.getLong("tag_name_id"), displayName, description, color, knownStatus, resultSet.getLong("tag_set_id"), resultSet.getInt("rank"));
+
+					if (!isUpdated) {
+						skCase.fireTSKEvent(new TagNamesAddedTskEvent(Collections.singletonList(newTag)));
+					} else {
+						skCase.fireTSKEvent(new TagNamesUpdatedTskEvent(Collections.singletonList(newTag)));
+					}
+
+					return newTag;
+				}
+			}
+		} catch (SQLException ex) {
+			throw new TskCoreException("Error adding row for " + displayName + " tag name to tag_names table", ex);
+		} finally {
+			skCase.releaseSingleUserCaseWriteLock();
+		}
+	}
+
+	/**
+	 * Return the TagName object for the given id.
+	 *
+	 * @param id The TagName id.
+	 *
+	 * @return The TagName object for the given id.
+	 *
+	 * @throws TskCoreException
+	 */
+	public TagName getTagName(long id) throws TskCoreException {
+		String preparedQuery = "SELECT * FROM tag_names where tag_name_id = ?";
+
+		skCase.acquireSingleUserCaseReadLock();
+		try (CaseDbConnection connection = skCase.getConnection()) {
+			try (PreparedStatement statement = connection.getPreparedStatement(preparedQuery, Statement.NO_GENERATED_KEYS)) {
+				statement.clearParameters();
+				statement.setLong(1, id);
+				try (ResultSet resultSet = statement.executeQuery()) {
+					if (resultSet.next()) {
+						return new TagName(resultSet.getLong("tag_name_id"),
+								resultSet.getString("display_name"),
+								resultSet.getString("description"),
+								TagName.HTML_COLOR.getColorByName(resultSet.getString("color")),
+								TskData.FileKnown.valueOf(resultSet.getByte("knowStatus")),
+								resultSet.getLong("tag_set_id"),
+								resultSet.getInt("rank"));
+					}
+				}
+			}
+		} catch (SQLException ex) {
+			throw new TskCoreException("", ex);
+		} finally {
+			skCase.releaseSingleUserCaseWriteLock();
+		}
+
+		return null;
+	}
+
 	/**
 	 * Determine if the given TagSet contains TagNames that are currently in
 	 * use, ie there is an existing ContentTag or ArtifactTag that uses TagName.
@@ -522,7 +669,7 @@ private List<TagName> getTagNamesByTagSetID(int tagSetId) throws TskCoreExceptio
 
 		skCase.acquireSingleUserCaseReadLock();
 		String query = String.format("SELECT * FROM tag_names WHERE tag_set_id = %d", tagSetId);
-		try (CaseDbConnection connection = skCase.getConnection();Statement stmt = connection.createStatement(); ResultSet resultSet = stmt.executeQuery(query)) {
+		try (CaseDbConnection connection = skCase.getConnection(); Statement stmt = connection.createStatement(); ResultSet resultSet = stmt.executeQuery(query)) {
 			while (resultSet.next()) {
 				tagNameList.add(new TagName(resultSet.getLong("tag_name_id"),
 						resultSet.getString("display_name"),

bindings/java/src/org/sleuthkit/datamodel/TskEvent.java

@@ -462,7 +462,7 @@ public final static class HostsRemovedFromPersonTskEvent extends TskObjectsEvent
 		private final Person person;
 
 		/**
-		 * Contructs an event published when one or more hosts are removed from
+		 * Constructs an event published when one or more hosts are removed from
 		 * a person.
 		 *
 		 * @param person  The person.
@@ -493,4 +493,123 @@ public List<Long> getHostIds() {
 
 	}
 
+	static abstract class TagNamesTskEvent extends TskObjectsEvent<TagName> {
+
+		public TagNamesTskEvent(List<TagName> tagNames) {
+			super(tagNames);
+		}
+
+		/**
+		 * Returns the list of added or updated TagName objects.
+		 *
+		 * @return The TagName list.
+		 */
+		public List<TagName> getTagNames() {
+			return getDataModelObjects();
+		}
+
+	}
+
+	/**
+	 * An event published when one or more TagName are added.
+	 */
+	public final static class TagNamesAddedTskEvent extends TagNamesTskEvent {
+
+		/**
+		 * Construct an event when one or more TagName are created or updated.
+		 *
+		 * @param tagNames List of added or modified TagName.
+		 */
+		public TagNamesAddedTskEvent(List<TagName> tagNames) {
+			super(tagNames);
+		}
+	}
+
+	/**
+	 * An event published when one or more TagName are updated.
+	 */
+	public final static class TagNamesUpdatedTskEvent extends TagNamesTskEvent {
+
+		/**
+		 * Construct an event when one or more TagName are updated.
+		 *
+		 * @param tagNames List of added or modified TagName.
+		 */
+		public TagNamesUpdatedTskEvent(List<TagName> tagNames) {
+			super(tagNames);
+		}
+	}
+
+	/**
+	 * An event published when one or more TagName are deleted.
+	 */
+	public final static class TagNamesDeletedTskEvent extends TskObjectsEvent<Long> {
+
+		/**
+		 * Constructs a new event with the given list of TagName ids.
+		 *
+		 * @param tagNameIds Deleted TagName id list.
+		 */
+		public TagNamesDeletedTskEvent(List<Long> tagNameIds) {
+			super(tagNameIds);
+		}
+
+		/**
+		 * List of the deleted TagName ids.
+		 *
+		 * @return The list of deleted TagName Ids.
+		 */
+		public List<Long> getTagNameIds() {
+			return getDataModelObjects();
+		}
+
+	}
+
+	/**
+	 * An event published when one or more TagSets have been added.
+	 */
+	public final static class TagSetsAddedTskEvent extends TskObjectsEvent<TagSet> {
+
+		/**
+		 * Constructs an added event for one or more TagSets.
+		 *
+		 * @param tagSets The added TagSet.
+		 */
+		public TagSetsAddedTskEvent(List<TagSet> tagSets) {
+			super(tagSets);
+		}
+
+		/**
+		 * Return the TagSets list.
+		 *
+		 * @return The TagSet list.
+		 */
+		public List<TagSet> getTagSets() {
+			return getDataModelObjects();
+		}
+	}
+
+	/**
+	 * An event published when one or more TagSets have been deleted.
+	 */
+	public final static class TagSetsDeletedTskEvent extends TskObjectsEvent<Long> {
+
+		/**
+		 * Constructs a deleted event for one or more TagSets.
+		 *
+		 * @param tagSetIds The ids of the deleted TagSets.
+		 */
+		public TagSetsDeletedTskEvent(List<Long> tagSetIds) {
+			super(tagSetIds);
+		}
+
+		/**
+		 * Returns the list of deleted TagSet ids.
+		 *
+		 * @return The list of deleted TagSet ids.
+		 */
+		public List<Long> getTagSetIds() {
+			return getDataModelObjects();
+		}
+	}
 }