1 files changed, 68 insertions, 0 deletions
diff --git a/examples/bundles/org.eclipse.ecf.sdo/src/org/eclipse/ecf/internal/sdo/Version.java b/examples/bundles/org.eclipse.ecf.sdo/src/org/eclipse/ecf/internal/sdo/Version.java
new file mode 100644
index 000000000..9cf10db99
--- /dev/null
+++ b/examples/bundles/org.eclipse.ecf.sdo/src/org/eclipse/ecf/internal/sdo/Version.java
@@ -0,0 +1,68 @@
+/*******************************************************************************
+ * Copyright (c) 2004 Peter Nehrer and Composent, Inc.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Contributors:
+ *     Peter Nehrer - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.ecf.internal.sdo;
+
+import java.io.Serializable;
+
+import org.eclipse.ecf.core.identity.ID;
+
+/**
+ * @author pnehrer
+ */
+public class Version implements Serializable {
+
+    private final long sequence;
+
+    private final ID containerID;
+
+    public Version(ID sourceID) {
+        this(0, sourceID);
+    }
+
+    private Version(long sequence, ID sourceID) {
+        this.sequence = sequence;
+        this.containerID = sourceID;
+    }
+
+    public long getSequence() {
+        return sequence;
+    }
+
+    public ID getContainerID() {
+        return containerID;
+    }
+
+    public Version getNext(ID sourceID) {
+        return new Version(sequence + 1, sourceID);
+    }
+
+    public boolean equals(Object other) {
+        if (other instanceof Version) {
+            Version o = (Version) other;
+            return sequence == o.sequence && containerID.equals(o.containerID);
+        } else
+            return false;
+    }
+
+    public int hashCode() {
+        int c = 17;
+        c = 37 * c + (int) sequence;
+        c = 37 * c + containerID.hashCode();
+        return c;
+    }
+
+    public String toString() {
+        StringBuffer buf = new StringBuffer("Version[");
+        buf.append("sequence=").append(sequence).append(";");
+        buf.append("containerID=").append(containerID).append("]");
+        return buf.toString();
+    }
+}