Separate the sync layer from its clients. #112

briar-api/src/org/briarproject/api/sync/ClientId.java

@@ -0,0 +1,20 @@
+package org.briarproject.api.sync;
+
+import org.briarproject.api.UniqueId;
+
+import java.util.Arrays;
+
+/**
+ * Type-safe wrapper for a byte array that uniquely identifies a sync client.
+ */
+public class ClientId extends UniqueId {
+
+	public ClientId(byte[] id) {
+		super(id);
+	}
+
+	@Override
+	public boolean equals(Object o) {
+		return o instanceof ClientId && Arrays.equals(id, ((ClientId) o).id);
+	}
+}