Record when the transports and subscriptions visible to each contact

were last modified.

In future this will be used to determine when to send updates.

components/net/sf/briar/db/Database.java

@@ -116,12 +116,11 @@ interface Database<T> {
 	boolean addPrivateMessage(T txn, Message m, ContactId c) throws DbException;
 
 	/**
-	 * Subscribes to the given group and returns true if the subscription did
+	 * Subscribes to the given group.
-	 * not previously exist.
 	 * <p>
 	 * Locking: subscriptions write.
 	 */
-	boolean addSubscription(T txn, Group g) throws DbException;
+	void addSubscription(T txn, Group g) throws DbException;
 
 	/**
 	 * Returns true if the database contains the given contact.
@@ -407,14 +406,15 @@ interface Database<T> {
 	void removeMessage(T txn, MessageId m) throws DbException;
 
 	/**
-	 * Unsubscribes from the given group and returns true if a subscription
+	 * Unsubscribes from the given group and returns the IDs of any contacts
-	 * previously existed. Any messages belonging to the group
+	 * affected by the change. Any messages belonging to the group are deleted
-	 * are deleted from the database.
+	 * from the database.
 	 * <p>
 	 * Locking: contacts read, messages write, messageStatuses write,
 	 * subscriptions write.
 	 */
-	boolean removeSubscription(T txn, GroupId g) throws DbException;
+	Collection<ContactId> removeSubscription(T txn, GroupId g)
+	throws DbException;
 
 	/**
 	 * Sets the configuration for the given transport, replacing any existing
@@ -436,11 +436,12 @@ interface Database<T> {
 
 	/**
 	 * Sets the local transport properties for the given transport, replacing
-	 * any existing properties for that transport.
+	 * any existing properties for that transport. Returns true if the
+	 * properties have changed.
 	 * <p>
 	 * Locking: transports write.
 	 */
-	void setLocalProperties(T txn, TransportId t, TransportProperties p)
+	boolean setLocalProperties(T txn, TransportId t, TransportProperties p)
 	throws DbException;
 
 	/**
@@ -517,10 +518,11 @@ interface Database<T> {
 
 	/**
 	 * Makes the given group visible to the given set of contacts and invisible
-	 * to any other contacts.
+	 * to any other contacts. Returns the IDs of any contacts affected by the
+	 * change.
 	 * <p>
 	 * Locking: contacts read, subscriptions write.
 	 */
-	void setVisibility(T txn, GroupId g, Collection<ContactId> visible)
+	Collection<ContactId> setVisibility(T txn, GroupId g,
-	throws DbException;
+			Collection<ContactId> visible) throws DbException;
 }

components/net/sf/briar/db/DatabaseComponentImpl.java

@@ -11,7 +11,6 @@ import java.util.ArrayList;
 import java.util.BitSet;
 import java.util.Collection;
 import java.util.Collections;
-import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
@@ -1114,16 +1113,11 @@ DatabaseCleaner.Callback {
 
 	public void setConfig(TransportId t, TransportConfig config)
 	throws DbException {
-		boolean changed = false;
 		transportLock.writeLock().lock();
 		try {
 			T txn = db.startTransaction();
 			try {
-				TransportConfig old = db.getConfig(txn, t);
+				db.setConfig(txn, t, config);
-				if(!config.equals(old)) {
-					db.setConfig(txn, t, config);
-					changed = true;
-				}
 				db.commitTransaction(txn);
 			} catch(DbException e) {
 				db.abortTransaction(txn);
@@ -1132,8 +1126,6 @@ DatabaseCleaner.Callback {
 		} finally {
 			transportLock.writeLock().unlock();
 		}
-		// Call the listeners outside the lock
-		if(changed) callListeners(new TransportsUpdatedEvent());
 	}
 
 	public void setConnectionWindow(ContactId c, TransportId t,
@@ -1160,16 +1152,12 @@ DatabaseCleaner.Callback {
 
 	public void setLocalProperties(TransportId t,
 			TransportProperties properties) throws DbException {
-		boolean changed = false;
+		boolean changed;
 		transportLock.writeLock().lock();
 		try {
 			T txn = db.startTransaction();
 			try {
-				TransportProperties old = db.getLocalTransports(txn).get(t);
+				changed = db.setLocalProperties(txn, t, properties);
-				if(!properties.equals(old)) {
-					db.setLocalProperties(txn, t, properties);
-					changed = true;
-				}
 				db.commitTransaction(txn);
 			} catch(DbException e) {
 				db.abortTransaction(txn);
@@ -1278,19 +1266,16 @@ DatabaseCleaner.Callback {
 
 	public void setVisibility(GroupId g, Collection<ContactId> visible)
 	throws DbException {
-		Collection<ContactId> then, now;
+		Collection<ContactId> affected;
 		contactLock.readLock().lock();
 		try {
 			subscriptionLock.writeLock().lock();
 			try {
 				T txn = db.startTransaction();
 				try {
-					// Get the contacts to which the group used to be visible
-					then = new HashSet<ContactId>(db.getVisibility(txn, g));
 					// Don't try to make the group visible to ex-contacts
-					now = new HashSet<ContactId>(visible);
+					visible.retainAll((db.getContacts(txn)));
-					now.retainAll(new HashSet<ContactId>(db.getContacts(txn)));
+					affected = db.setVisibility(txn, g, visible);
-					db.setVisibility(txn, g, now);
 					db.commitTransaction(txn);
 				} catch(DbException e) {
 					db.abortTransaction(txn);
@@ -1302,22 +1287,19 @@ DatabaseCleaner.Callback {
 		} finally {
 			contactLock.readLock().unlock();
 		}
-		// Work out which contacts were affected by the change
-		Collection<ContactId> affected = new ArrayList<ContactId>();
-		for(ContactId c : then) if(!now.contains(c)) affected.add(c);
-		for(ContactId c : now) if(!then.contains(c)) affected.add(c);
 		// Call the listeners outside the lock
-		callListeners(new SubscriptionsUpdatedEvent(affected));
+		if(!affected.isEmpty())
+			callListeners(new SubscriptionsUpdatedEvent(affected));
 	}
 
 	public void subscribe(Group g) throws DbException {
 		if(LOG.isLoggable(Level.FINE)) LOG.fine("Subscribing to " + g);
-		boolean added;
 		subscriptionLock.writeLock().lock();
 		try {
 			T txn = db.startTransaction();
 			try {
-				added = db.addSubscription(txn, g);
+				if(!db.containsSubscription(txn, g.getId()))
+					db.addSubscription(txn, g);
 				db.commitTransaction(txn);
 			} catch(DbException e) {
 				db.abortTransaction(txn);
@@ -1326,14 +1308,12 @@ DatabaseCleaner.Callback {
 		} finally {
 			subscriptionLock.writeLock().unlock();
 		}
-		// Call the listeners outside the lock
-		if(added) callListeners(new SubscriptionsUpdatedEvent());
 	}
 
 	public void unsubscribe(GroupId g) throws DbException {
 		if(LOG.isLoggable(Level.FINE)) LOG.fine("Unsubscribing from " + g);
-		boolean removed;
+		boolean removed = false;
-		Collection<ContactId> affected;
+		Collection<ContactId> affected = null;
 		contactLock.readLock().lock();
 		try {
 			messageLock.writeLock().lock();
@@ -1344,8 +1324,10 @@ DatabaseCleaner.Callback {
 					try {
 						T txn = db.startTransaction();
 						try {
-							affected = db.getVisibility(txn, g);
+							if(db.containsSubscription(txn, g)) {
-							removed = db.removeSubscription(txn, g);
+								affected = db.removeSubscription(txn, g);
+								removed = true;
+							}
 							db.commitTransaction(txn);
 						} catch(DbException e) {
 							db.abortTransaction(txn);
@@ -1364,7 +1346,8 @@ DatabaseCleaner.Callback {
 			contactLock.readLock().unlock();
 		}
 		// Call the listeners outside the lock
-		if(removed) callListeners(new SubscriptionsUpdatedEvent(affected));
+		if(removed && !affected.isEmpty())
+			callListeners(new SubscriptionsUpdatedEvent(affected));
 	}
 
 	public void checkFreeSpaceAndClean() throws DbException {

components/net/sf/briar/db/JdbcDatabase.java

@@ -12,7 +12,9 @@ import java.sql.Statement;
 import java.sql.Types;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.LinkedList;
 import java.util.Map;
 import java.util.Map.Entry;
@@ -207,6 +209,7 @@ abstract class JdbcDatabase implements Database<Connection> {
 		+ " (contactId INT NOT NULL,"
 		+ " sent BIGINT NOT NULL,"
 		+ " received BIGINT NOT NULL,"
+		+ " modified BIGINT NOT NULL,"
 		+ " PRIMARY KEY (contactId),"
 		+ " FOREIGN KEY (contactId) REFERENCES contacts (contactId)"
 		+ " ON DELETE CASCADE)";
@@ -216,6 +219,7 @@ abstract class JdbcDatabase implements Database<Connection> {
 		+ " (contactId INT NOT NULL,"
 		+ " sent BIGINT NOT NULL,"
 		+ " received BIGINT NOT NULL,"
+		+ " modified BIGINT NOT NULL,"
 		+ " PRIMARY KEY (contactId),"
 		+ " FOREIGN KEY (contactId) REFERENCES contacts (contactId)"
 		+ " ON DELETE CASCADE)";
@@ -507,23 +511,25 @@ abstract class JdbcDatabase implements Database<Connection> {
 			ps.close();
 			// Initialise the subscription timestamps
 			sql = "INSERT INTO subscriptionTimestamps"
-				+ " (contactId, sent, received)"
+				+ " (contactId, sent, received, modified)"
-				+ " VALUES (?, ?, ?)";
+				+ " VALUES (?, ?, ?, ?)";
 			ps = txn.prepareStatement(sql);
 			ps.setInt(1, c.getInt());
 			ps.setLong(2, 0L);
 			ps.setLong(3, 0L);
+			ps.setLong(4, 1L);
 			affected = ps.executeUpdate();
 			if(affected != 1) throw new DbStateException();
 			ps.close();
 			// Initialise the transport timestamps
 			sql = "INSERT INTO transportTimestamps"
-				+ " (contactId, sent, received)"
+				+ " (contactId, sent, received, modified)"
-				+ " VALUES (?, ?, ?)";
+				+ " VALUES (?, ?, ?, ?)";
 			ps = txn.prepareStatement(sql);
 			ps.setInt(1, c.getInt());
 			ps.setLong(2, 0L);
 			ps.setLong(3, 0L);
+			ps.setLong(4, 1L);
 			affected = ps.executeUpdate();
 			if(affected != 1) throw new DbStateException();
 			ps.close();
@@ -652,20 +658,10 @@ abstract class JdbcDatabase implements Database<Connection> {
 		}
 	}
 
-	public boolean addSubscription(Connection txn, Group g) throws DbException {
+	public void addSubscription(Connection txn, Group g) throws DbException {
 		PreparedStatement ps = null;
-		ResultSet rs = null;
 		try {
-			String sql = "SELECT NULL FROM subscriptions WHERE groupId = ?";
+			String sql = "INSERT INTO subscriptions"
-			ps = txn.prepareStatement(sql);
-			ps.setBytes(1, g.getId().getBytes());
-			rs = ps.executeQuery();
-			boolean found = rs.next();
-			if(rs.next()) throw new DbStateException();
-			rs.close();
-			ps.close();
-			if(found) return false;
-			sql = "INSERT INTO subscriptions"
 				+ " (groupId, groupName, groupKey, start)"
 				+ " VALUES (?, ?, ?, ?)";
 			ps = txn.prepareStatement(sql);
@@ -676,7 +672,6 @@ abstract class JdbcDatabase implements Database<Connection> {
 			int affected = ps.executeUpdate();
 			if(affected != 1) throw new DbStateException();
 			ps.close();
-			return true;
 		} catch(SQLException e) {
 			tryToClose(ps);
 			throw new DbException(e);
@@ -1765,18 +1760,30 @@ abstract class JdbcDatabase implements Database<Connection> {
 		}
 	}
 
-	public boolean removeSubscription(Connection txn, GroupId g)
+	public Collection<ContactId> removeSubscription(Connection txn, GroupId g)
 	throws DbException {
 		PreparedStatement ps = null;
+		ResultSet rs = null;
 		try {
-			String sql = "DELETE FROM subscriptions WHERE groupId = ?";
+			// Retrieve the contacts to which the subscription is visible
+			String sql = "SELECT contactId FROM visibilities WHERE groupId = ?";
+			ps = txn.prepareStatement(sql);
+			ps.setBytes(1, g.getBytes());
+			rs = ps.executeQuery();
+			Collection<ContactId> visible = new ArrayList<ContactId>();
+			while(rs.next()) visible.add(new ContactId(rs.getInt(1)));
+			rs.close();
+			ps.close();
+			// Delete the subscription
+			sql = "DELETE FROM subscriptions WHERE groupId = ?";
 			ps = txn.prepareStatement(sql);
 			ps.setBytes(1, g.getBytes());
 			int affected = ps.executeUpdate();
-			if(affected > 1) throw new DbStateException();
+			if(affected != 1) throw new DbStateException();
 			ps.close();
-			return affected > 0;
+			return visible;
 		} catch(SQLException e) {
+			tryToClose(rs);
 			tryToClose(ps);
 			throw new DbException(e);
 		}
@@ -1784,31 +1791,26 @@ abstract class JdbcDatabase implements Database<Connection> {
 
 	public void setConfig(Connection txn, TransportId t, TransportConfig config)
 	throws DbException {
-		setTransportDetails(txn, t, config, "transportConfig");
-	}
-
-	private void setTransportDetails(Connection txn, TransportId t,
-			Map<String, String> details, String table) throws DbException {
 		PreparedStatement ps = null;
 		try {
-			// Delete any existing details for the given transport
+			// Delete any existing config for the given transport
-			String sql = "DELETE FROM " + table + " WHERE transportId = ?";
+			String sql = "DELETE FROM transportConfig WHERE transportId = ?";
 			ps = txn.prepareStatement(sql);
 			ps.setInt(1, t.getInt());
 			ps.executeUpdate();
 			ps.close();
-			// Store the new details
+			// Store the new config
-			sql = "INSERT INTO " + table + " (transportId, key, value)"
+			sql = "INSERT INTO transportConfig (transportId, key, value)"
-			+ " VALUES (?, ?, ?)";
+				+ " VALUES (?, ?, ?)";
 			ps = txn.prepareStatement(sql);
 			ps.setInt(1, t.getInt());
-			for(Entry<String, String> e : details.entrySet()) {
+			for(Entry<String, String> e : config.entrySet()) {
 				ps.setString(2, e.getKey());
 				ps.setString(3, e.getValue());
 				ps.addBatch();
 			}
 			int[] batchAffected = ps.executeBatch();
-			if(batchAffected.length != details.size())
+			if(batchAffected.length != config.size())
 				throw new DbStateException();
 			for(int i = 0; i < batchAffected.length; i++) {
 				if(batchAffected[i] != 1) throw new DbStateException();
@@ -1868,9 +1870,58 @@ abstract class JdbcDatabase implements Database<Connection> {
 		}
 	}
 
-	public void setLocalProperties(Connection txn, TransportId t,
+	public boolean setLocalProperties(Connection txn, TransportId t,
 			TransportProperties properties) throws DbException {
-		setTransportDetails(txn, t, properties, "transports");
+		PreparedStatement ps = null;
+		ResultSet rs = null;
+		try {
+			// Retrieve any existing properties for the given transport
+			String sql = "SELECT key, value FROM transports"
+				+ " WHERE transportId = ?";
+			ps = txn.prepareStatement(sql);
+			ps.setInt(1, t.getInt());
+			rs = ps.executeQuery();
+			TransportProperties old = new TransportProperties();
+			while(rs.next()) old.put(rs.getString(1), rs.getString(2));
+			rs.close();
+			ps.close();
+			// If the properties haven't changed, return
+			if(old.equals(properties)) return false;
+			// Delete any existing properties for the given transport
+			sql = "DELETE FROM transports WHERE transportId = ?";
+			ps = txn.prepareStatement(sql);
+			ps.setInt(1, t.getInt());
+			ps.executeUpdate();
+			ps.close();
+			// Store the new properties
+			sql = "INSERT INTO transports (transportId, key, value)"
+				+ " VALUES (?, ?, ?)";
+			ps = txn.prepareStatement(sql);
+			ps.setInt(1, t.getInt());
+			for(Entry<String, String> e : properties.entrySet()) {
+				ps.setString(2, e.getKey());
+				ps.setString(3, e.getValue());
+				ps.addBatch();
+			}
+			int[] batchAffected = ps.executeBatch();
+			if(batchAffected.length != properties.size())
+				throw new DbStateException();
+			for(int i = 0; i < batchAffected.length; i++) {
+				if(batchAffected[i] != 1) throw new DbStateException();
+			}
+			ps.close();
+			// Update the transport timestamps of all contacts
+			sql = "UPDATE transportTimestamps set modified = ?";
+			ps = txn.prepareStatement(sql);
+			ps.setLong(1, System.currentTimeMillis());
+			ps.executeUpdate();
+			ps.close();
+			return true;
+		} catch(SQLException e) {
+			tryToClose(rs);
+			tryToClose(ps);
+			throw new DbException(e);
+		}
 	}
 
 	public Rating setRating(Connection txn, AuthorId a, Rating r)
@@ -2179,17 +2230,29 @@ abstract class JdbcDatabase implements Database<Connection> {
 		}
 	}
 
-	public void setVisibility(Connection txn, GroupId g,
+	public Collection<ContactId> setVisibility(Connection txn, GroupId g,
 			Collection<ContactId> visible) throws DbException {
 		PreparedStatement ps = null;
+		ResultSet rs = null;
 		try {
+			// Retrieve any existing visibilities
+			String sql = "SELECT contactId FROM visibilities WHERE groupId = ?";
+			ps = txn.prepareStatement(sql);
+			ps.setBytes(1, g.getBytes());
+			rs = ps.executeQuery();
+			Collection<ContactId> then = new HashSet<ContactId>();
+			while(rs.next()) then.add(new ContactId(rs.getInt(1)));
+			rs.close();
+			ps.close();
+			// If the visibilities haven't changed, return
+			Collection<ContactId> now = new HashSet<ContactId>(visible);
+			if(then.equals(now)) return Collections.emptyList();
 			// Delete any existing visibilities
-			String sql = "DELETE FROM visibilities WHERE groupId = ?";
+			sql = "DELETE FROM visibilities where groupId = ?";
 			ps = txn.prepareStatement(sql);
 			ps.setBytes(1, g.getBytes());
 			ps.executeUpdate();
 			ps.close();
-			if(visible.isEmpty()) return;
 			// Store the new visibilities
 			sql = "INSERT INTO visibilities (groupId, contactId)"
 				+ " VALUES (?, ?)";
@@ -2205,7 +2268,29 @@ abstract class JdbcDatabase implements Database<Connection> {
 			for(int i = 0; i < batchAffected.length; i++) {
 				if(batchAffected[i] != 1) throw new DbStateException();
 			}
+			ps.close();
+			// Update the subscription timestamps of any affected contacts
+			Collection<ContactId> affected = new ArrayList<ContactId>();
+			for(ContactId c : then) if(!now.contains(c)) affected.add(c);
+			for(ContactId c : now) if(!then.contains(c)) affected.add(c);
+			sql = "UPDATE subscriptionTimestamps SET modified = ?"
+				+ " WHERE contactId = ?";
+			ps = txn.prepareStatement(sql);
+			ps.setLong(1, System.currentTimeMillis());
+			for(ContactId c : affected) {
+				ps.setInt(2, c.getInt());
+				ps.addBatch();
+			}
+			batchAffected = ps.executeBatch();
+			if(batchAffected.length != affected.size())
+				throw new DbStateException();
+			for(int i = 0; i < batchAffected.length; i++) {
+				if(batchAffected[i] > 1) throw new DbStateException();
+			}
+			ps.close();
+			return affected;
 		} catch(SQLException e) {
+			tryToClose(rs);
 			tryToClose(ps);
 			throw new DbException(e);
 		}

test/net/sf/briar/db/DatabaseComponentTest.java

@@ -10,7 +10,6 @@ import junit.framework.TestCase;
 import net.sf.briar.TestUtils;
 import net.sf.briar.api.ContactId;
 import net.sf.briar.api.Rating;
-import net.sf.briar.api.TransportConfig;
 import net.sf.briar.api.TransportId;
 import net.sf.briar.api.TransportProperties;
 import net.sf.briar.api.db.DatabaseComponent;
@@ -20,7 +19,6 @@ import net.sf.briar.api.db.event.ContactAddedEvent;
 import net.sf.briar.api.db.event.ContactRemovedEvent;
 import net.sf.briar.api.db.event.DatabaseListener;
 import net.sf.briar.api.db.event.MessagesAddedEvent;
-import net.sf.briar.api.db.event.SubscriptionsUpdatedEvent;
 import net.sf.briar.api.db.event.TransportsUpdatedEvent;
 import net.sf.briar.api.protocol.Ack;
 import net.sf.briar.api.protocol.AuthorId;
@@ -134,27 +132,26 @@ public abstract class DatabaseComponentTest extends TestCase {
 			oneOf(database).getRemoteProperties(txn, transportId);
 			will(returnValue(remoteProperties));
 			// subscribe(group)
-			oneOf(database).addSubscription(txn, group);
+			oneOf(group).getId();
-			will(returnValue(true));
+			will(returnValue(groupId));
-			oneOf(listener).eventOccurred(with(any(
+			oneOf(database).containsSubscription(txn, groupId);
-					SubscriptionsUpdatedEvent.class)));
-			// subscribe(group) again
-			oneOf(database).addSubscription(txn, group);
 			will(returnValue(false));
+			oneOf(database).addSubscription(txn, group);
+			// subscribe(group) again
+			oneOf(group).getId();
+			will(returnValue(groupId));
+			oneOf(database).containsSubscription(txn, groupId);
+			will(returnValue(true));
 			// getSubscriptions()
 			oneOf(database).getSubscriptions(txn);
 			will(returnValue(Collections.singletonList(groupId)));
 			// unsubscribe(groupId)
-			oneOf(database).getVisibility(txn, groupId);
+			oneOf(database).containsSubscription(txn, groupId);
-			will(returnValue(Collections.<ContactId>emptySet()));
-			oneOf(database).removeSubscription(txn, groupId);
 			will(returnValue(true));
-			oneOf(listener).eventOccurred(with(any(
-					SubscriptionsUpdatedEvent.class)));
-			// unsubscribe(groupId) again
-			oneOf(database).getVisibility(txn, groupId);
-			will(returnValue(Collections.<ContactId>emptySet()));
 			oneOf(database).removeSubscription(txn, groupId);
+			will(returnValue(Collections.<ContactId>emptyList()));
+			// unsubscribe(groupId) again
+			oneOf(database).containsSubscription(txn, groupId);
 			will(returnValue(false));
 			// setConnectionWindow(contactId, 123, connectionWindow)
 			oneOf(database).containsContact(txn, contactId);
@@ -1278,8 +1275,6 @@ public abstract class DatabaseComponentTest extends TestCase {
 	throws Exception {
 		final TransportProperties properties =
 			new TransportProperties(Collections.singletonMap("bar", "baz"));
-		final TransportProperties properties1 =
-			new TransportProperties(Collections.singletonMap("baz", "bam"));
 		Mockery context = new Mockery();
 		@SuppressWarnings("unchecked")
 		final Database<Object> database = context.mock(Database.class);
@@ -1288,11 +1283,8 @@ public abstract class DatabaseComponentTest extends TestCase {
 		context.checking(new Expectations() {{
 			oneOf(database).startTransaction();
 			will(returnValue(txn));
-			oneOf(database).getLocalTransports(txn);
+			oneOf(database).setLocalProperties(txn, transportId, properties);
-			will(returnValue(Collections.singletonMap(transportId,
+			will(returnValue(true));
-					properties)));
-			oneOf(database).setLocalProperties(txn, transportId,
-					properties1);
 			oneOf(database).commitTransaction(txn);
 			oneOf(listener).eventOccurred(with(any(
 					TransportsUpdatedEvent.class)));
@@ -1300,7 +1292,7 @@ public abstract class DatabaseComponentTest extends TestCase {
 		DatabaseComponent db = createDatabaseComponent(database, cleaner);
 
 		db.addListener(listener);
-		db.setLocalProperties(transportId, properties1);
+		db.setLocalProperties(transportId, properties);
 
 		context.assertIsSatisfied();
 	}
@@ -1318,9 +1310,8 @@ public abstract class DatabaseComponentTest extends TestCase {
 		context.checking(new Expectations() {{
 			oneOf(database).startTransaction();
 			will(returnValue(txn));
-			oneOf(database).getLocalTransports(txn);
+			oneOf(database).setLocalProperties(txn, transportId, properties);
-			will(returnValue(Collections.singletonMap(transportId,
+			will(returnValue(false));
-					properties)));
 			oneOf(database).commitTransaction(txn);
 		}});
 		DatabaseComponent db = createDatabaseComponent(database, cleaner);
@@ -1331,60 +1322,6 @@ public abstract class DatabaseComponentTest extends TestCase {
 		context.assertIsSatisfied();
 	}
 
-	@Test
-	public void testTransportConfigChangedCallsListeners() throws Exception {
-		final TransportConfig config =
-			new TransportConfig(Collections.singletonMap("bar", "baz"));
-		final TransportConfig config1 =
-			new TransportConfig(Collections.singletonMap("baz", "bam"));
-		Mockery context = new Mockery();
-		@SuppressWarnings("unchecked")
-		final Database<Object> database = context.mock(Database.class);
-		final DatabaseCleaner cleaner = context.mock(DatabaseCleaner.class);
-		final DatabaseListener listener = context.mock(DatabaseListener.class);
-		context.checking(new Expectations() {{
-			oneOf(database).startTransaction();
-			will(returnValue(txn));
-			oneOf(database).getConfig(txn, transportId);
-			will(returnValue(config));
-			oneOf(database).setConfig(txn, transportId, config1);
-			oneOf(database).commitTransaction(txn);
-			oneOf(listener).eventOccurred(with(any(
-					TransportsUpdatedEvent.class)));
-		}});
-		DatabaseComponent db = createDatabaseComponent(database, cleaner);
-
-		db.addListener(listener);
-		db.setConfig(transportId, config1);
-
-		context.assertIsSatisfied();
-	}
-
-	@Test
-	public void testTransportConfigUnchangedDoesNotCallListeners()
-	throws Exception {
-		final TransportConfig config =
-			new TransportConfig(Collections.singletonMap("bar", "baz"));
-		Mockery context = new Mockery();
-		@SuppressWarnings("unchecked")
-		final Database<Object> database = context.mock(Database.class);
-		final DatabaseCleaner cleaner = context.mock(DatabaseCleaner.class);
-		final DatabaseListener listener = context.mock(DatabaseListener.class);
-		context.checking(new Expectations() {{
-			oneOf(database).startTransaction();
-			will(returnValue(txn));
-			oneOf(database).getConfig(txn, transportId);
-			will(returnValue(config));
-			oneOf(database).commitTransaction(txn);
-		}});
-		DatabaseComponent db = createDatabaseComponent(database, cleaner);
-
-		db.addListener(listener);
-		db.setConfig(transportId, config);
-
-		context.assertIsSatisfied();
-	}
-
 	@Test
 	public void testSetSeen() throws Exception {
 		Mockery context = new Mockery();