Introduce typed UUIDs.

[lgpl/argeo-commons.git] / org.argeo.api.uuid / src / org / argeo / api / uuid / NameUuid.java

diff --git a/org.argeo.api.uuid/src/org/argeo/api/uuid/NameUuid.java b/org.argeo.api.uuid/src/org/argeo/api/uuid/NameUuid.java
new file mode 100644 (file)
index 0000000..a1c64a1
--- /dev/null
+++ b/org.argeo.api.uuid/src/org/argeo/api/uuid/NameUuid.java
@@ -0,0 +1,49 @@
+package org.argeo.api.uuid;
+
+import java.nio.charset.Charset;
+import java.util.UUID;
+
+/** A name {@link UUID} whose values used for its construction are known. */
+public class NameUuid extends UnkownNameUuid {
+       private static final long serialVersionUID = APM.SERIAL;
+
+       protected final TypedUuid namespace;
+       protected final String name;
+       protected final Charset encoding;
+
+       protected NameUuid(UUID uuid, TypedUuid namespace, String name, Charset encoding) {
+               super(uuid);
+               assert namespace != null;
+               assert name != null;
+               assert encoding != null;
+               this.namespace = namespace;
+               this.name = name;
+               this.encoding = encoding;
+       }
+
+       public static long getSerialversionuid() {
+               return serialVersionUID;
+       }
+
+       /** The namespace used to build this UUID. */
+       public final TypedUuid getNamespace() {
+               return namespace;
+       }
+
+       /** The name of this UUID. */
+       public final String getName() {
+               return name;
+       }
+
+       /** The encoding used to create this UUID. */
+       public final Charset getEncoding() {
+               return encoding;
+       }
+
+       /** Always returns <code>false</code> since construction values are known. */
+       @Override
+       public final boolean isOpaque() {
+               return false;
+       }
+
+}