X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.api.uuid%2Fsrc%2Forg%2Fargeo%2Fapi%2Fuuid%2FNodeIdSupplier.java;h=94ec50da4b9ff76d3eb86fe94425d6e1ec9dddce;hb=5f820a14abf7371714514ed5f20580ceb5edaeec;hp=ae9686c7042781348643295ef29f58a302b510b6;hpb=475dc8545eb01b541c63be6a480fdd8d808e75a4;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.api.uuid/src/org/argeo/api/uuid/NodeIdSupplier.java b/org.argeo.api.uuid/src/org/argeo/api/uuid/NodeIdSupplier.java
index ae9686c70..94ec50da4 100644
--- a/org.argeo.api.uuid/src/org/argeo/api/uuid/NodeIdSupplier.java
+++ b/org.argeo.api.uuid/src/org/argeo/api/uuid/NodeIdSupplier.java
@@ -4,11 +4,9 @@ import java.util.function.Supplier;
 
 /** A factory for node id base */
 public interface NodeIdSupplier extends Supplier<Long> {
-	long LEAST_SIG_RFC4122_VARIANT = (1l << 63);
-
 	static long toNodeIdBase(byte[] node) {
 		assert node.length == 6;
-		return LEAST_SIG_RFC4122_VARIANT // base for Leach–Salz UUID
+		return UuidFactory.LEAST_SIG_RFC4122_VARIANT
 				| (node[0] & 0xFFL) //
 				| ((node[1] & 0xFFL) << 8) //
 				| ((node[2] & 0xFFL) << 16) //
@@ -17,4 +15,8 @@ public interface NodeIdSupplier extends Supplier<Long> {
 				| ((node[5] & 0xFFL) << 40); //
 	}
 
+	static boolean isNoMacAddressNodeId(byte[] nodeId) {
+		return (nodeId[0] & 1) != 0;
+	}
+
 }