added OldPipeline

src/main/java/teetime/framework/OldPipeline.java

+package teetime.framework;
+
+import java.util.List;
+
+import teetime.framework.signal.ISignal;
+import teetime.framework.validation.InvalidPortConnection;
+
+public class OldPipeline<FirstStage extends StageWithPort, LastStage extends StageWithPort> implements StageWithPort {
+
+	protected FirstStage firstStage;
+	protected LastStage lastStage;
+
+	public FirstStage getFirstStage() {
+		return this.firstStage;
+	}
+
+	public void setFirstStage(final FirstStage firstStage) {
+		this.firstStage = firstStage;
+	}
+
+	public LastStage getLastStage() {
+		return this.lastStage;
+	}
+
+	public void setLastStage(final LastStage lastStage) {
+		this.lastStage = lastStage;
+	}
+
+	@Override
+	public String getId() {
+		return this.firstStage.getId();
+	}
+
+	@Override
+	public void executeWithPorts() {
+		this.firstStage.executeWithPorts();
+	}
+
+	@Override
+	public StageWithPort getParentStage() {
+		return this.firstStage.getParentStage();
+	}
+
+	@Override
+	public void setParentStage(final StageWithPort parentStage, final int index) {
+		this.firstStage.setParentStage(parentStage, index);
+	}
+
+	@Override
+	public void onSignal(final ISignal signal, final InputPort<?> inputPort) {
+		this.firstStage.onSignal(signal, inputPort);
+	}
+
+	@Override
+	public void validateOutputPorts(final List<InvalidPortConnection> invalidPortConnections) {
+		this.lastStage.validateOutputPorts(invalidPortConnections);
+	}
+
+}