added SpScIntraThreadPipe

src/main/java/teetime/framework/pipe/SpScIntraThreadPipe.java

+package teetime.framework.pipe;
+
+import java.util.Queue;
+
+import org.jctools.queues.QueueFactory;
+import org.jctools.queues.spec.ConcurrentQueueSpec;
+
+import teetime.framework.AbstractIntraThreadPipe;
+import teetime.framework.InputPort;
+import teetime.framework.OutputPort;
+
+/**
+ * Represents a less efficient implementation of an intra-thread pipe.
+ *
+ * @author Christian Wulf
+ *
+ * @param <T>
+ */
+public final class SpScIntraThreadPipe<T> extends AbstractIntraThreadPipe {
+
+	private final Queue<Object> queue;
+
+	public SpScIntraThreadPipe(final OutputPort<? extends T> sourcePort, final InputPort<T> targetPort) {
+		super(sourcePort, targetPort);
+		queue = QueueFactory.newQueue(ConcurrentQueueSpec.createBoundedSpsc(1));
+	}
+
+	@Override
+	public boolean add(final Object element) {
+		return queue.offer(element);
+	}
+
+	@Override
+	public boolean isEmpty() {
+		return queue.isEmpty();
+	}
+
+	@Override
+	public int size() {
+		return queue.size();
+	}
+
+	@Override
+	public Object removeLast() {
+		return queue.poll();
+	}
+
+}

wiki @ 0e447457

-Subproject commit 63ccbbc87bd2c0e6599ca91502149dba3cfb99de
+Subproject commit 0e4474577e1f49bc96e734c286b2d9e0363895e8