StateMachine Proposal

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-over/trunk@10 174cde9d-5d70-4d2a-aa98-46368bc2aaf7

1 files changed, 32 insertions, 0 deletions

diff --git a/pdf-over/pdf-gui/src/main/java/at/asit/pdfover/gui/workflow/WorkflowState.java b/pdf-over/pdf-gui/src/main/java/at/asit/pdfover/gui/workflow/WorkflowState.java
new file mode 100644
index 00000000..5a4f1776
--- /dev/null
+++ b/pdf-over/pdf-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
+	 */
+	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);
+}