Retrieve messages from the database in raw form to avoid creating unnecessary short-lived objects. Added timestamps to headers.

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

@@ -0,0 +1,63 @@
+package net.sf.briar.db;
+
+import net.sf.briar.api.protocol.AuthorId;
+import net.sf.briar.api.protocol.GroupId;
+import net.sf.briar.api.protocol.Message;
+import net.sf.briar.api.protocol.MessageId;
+
+class TestMessage implements Message {
+
+	private final MessageId id, parent;
+	private final GroupId group;
+	private final AuthorId author;
+	private final long timestamp;
+	private final byte[] raw;
+
+	public TestMessage(MessageId id, MessageId parent, GroupId group,
+			AuthorId author, long timestamp, byte[] raw) {
+		this.id = id;
+		this.parent = parent;
+		this.group = group;
+		this.author = author;
+		this.timestamp = timestamp;
+		this.raw = raw;
+	}
+
+	public MessageId getId() {
+		return id;
+	}
+
+	public MessageId getParent() {
+		return parent;
+	}
+
+	public GroupId getGroup() {
+		return group;
+	}
+
+	public AuthorId getAuthor() {
+		return author;
+	}
+
+	public long getTimestamp() {
+		return timestamp;
+	}
+
+	public int getSize() {
+		return raw.length;
+	}
+
+	public byte[] getBytes() {
+		return raw;
+	}
+
+	@Override
+	public boolean equals(Object o) {
+		return o instanceof Message && id.equals(((Message)o).getId());
+	}
+
+	@Override
+	public int hashCode() {
+		return id.hashCode();
+	}
+}