Refactoring

git-svn-id: https://svn.iaik.tugraz.at/svn/egiz/prj/current/12PDF-OVER-4.0@12276 3a0b52a2-8410-0410-bc02-ff6273a87459

1 files changed, 32 insertions, 0 deletions

diff --git a/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/WorkflowState.java b/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/WorkflowState.java
new file mode 100644
index 00000000..f9d10d08
--- /dev/null
+++ b/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/WorkflowState.java
@@ -0,0 +1,32 @@
+package at.asit.pdfover.gui.workflow;
+
+/**
+ * Base state class 
+ * @author afitzek
+ */
+public abstract class WorkflowState {
+
+	private WorkflowState _next = null;
+	
+	/**
+	 * Gets the next logical state or null if this their is no state transition
+	 * @return the next state (or null)
+	 */
+	public WorkflowState nextState() {
+		return this._next;
+	}
+	
+	/**
+	 * Sets the next logical state
+	 * @param state
+	 */
+	protected void setNextState(WorkflowState state) {
+		this._next = state;
+	}
+	
+	/**
+	 * Perform main logic for this state
+	 * @param workflow
+	 */
+	public abstract void update(Workflow workflow);
+}