X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.api.uuid%2Fsrc%2Forg%2Fargeo%2Fapi%2Fuuid%2FRandomUuid.java;fp=org.argeo.api.uuid%2Fsrc%2Forg%2Fargeo%2Fapi%2Fuuid%2FRandomUuid.java;h=ea71c483342770df6edbc7a31e9cc6f963e133e8;hb=e8e2c65f356b30b35e4d8a1de66691a789c183bb;hp=0000000000000000000000000000000000000000;hpb=5b33b0f7a92debf285b31d308add6470a31894a9;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.api.uuid/src/org/argeo/api/uuid/RandomUuid.java b/org.argeo.api.uuid/src/org/argeo/api/uuid/RandomUuid.java
new file mode 100644
index 000000000..ea71c4833
--- /dev/null
+++ b/org.argeo.api.uuid/src/org/argeo/api/uuid/RandomUuid.java
@@ -0,0 +1,29 @@
+package org.argeo.api.uuid;
+
+import java.util.UUID;
+
+/** An opaque variant 2 random {@link UUID} (v4). */
+public final class RandomUuid extends TypedUuid {
+	private static final long serialVersionUID = APM.SERIAL;
+
+	public RandomUuid(UUID uuid) {
+		super(uuid);
+		if (uuid.version() != 4 && uuid.variant() != 2)
+			throw new IllegalArgumentException("The provided UUID is not a time-based UUID.");
+	}
+
+	/**
+	 * Always returns <code>true</code> since random UUIDs are by definition not
+	 * opaque.
+	 */
+	@Override
+	public final boolean isOpaque() {
+		return true;
+	}
+
+	/** Creates a new {@link RandomUuid} using {@link UUID#randomUUID()}. */
+	public static RandomUuid newRandomUuid() {
+		return new RandomUuid(UUID.randomUUID());
+	}
+
+}