1 files changed, 102 insertions, 0 deletions
diff --git a/src/bjc/imgchain/pipeline/MutablePipeline.java b/src/bjc/imgchain/pipeline/MutablePipeline.java
new file mode 100644
index 0000000..6272b30
--- /dev/null
+++ b/src/bjc/imgchain/pipeline/MutablePipeline.java
@@ -0,0 +1,102 @@
+package bjc.imgchain.pipeline;
+
+import java.awt.Image;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * An editable {@link Pipeline}
+ * 
+ * @author acm
+ *
+ */
+public class MutablePipeline implements Pipeline {
+	private final List<PipelineStage> stages;
+
+	private String name;
+
+	/**
+	 * Create a new unnamed mutable pipeline.
+	 */
+	public MutablePipeline() {
+		stages = new ArrayList<>();
+
+		name = "Unnamed Pipeline";
+	}
+
+	/**
+	 * Create a new named mutable pipeline.
+	 * 
+	 * @param name
+	 *                The name of the pipeline.
+	 */
+	public MutablePipeline(String name) {
+		stages = new ArrayList<>();
+
+		this.name = name;
+	}
+
+	@Override
+	public Image process(Image input) {
+		Image proc = input;
+
+		for (PipelineStage stage : stages) {
+			System.out.println("Applying stage " + stage.name());
+			proc = stage.process(proc);
+			System.out.println("Applied stage " + stage.name());
+		}
+
+		return proc;
+	}
+
+	@Override
+	public List<PipelineStage> stages() {
+		return stages;
+	}
+
+	@Override
+	public String name() {
+		return name;
+	}
+
+	/**
+	 * Set the name of the pipeline.
+	 * 
+	 * @param nam
+	 *                The name of the pipeline.
+	 */
+	public void name(String nam) {
+		name = nam;
+	}
+
+	/**
+	 * Append a pipeline stage to the end of this pipeline.
+	 * 
+	 * @param stag
+	 *                The stage to add.
+	 */
+	public void addStage(PipelineStage stag) {
+		stages.add(stag);
+	}
+
+	/**
+	 * Remove a pipeline stage.
+	 * 
+	 * @param stag
+	 *                The stage to remove.
+	 */
+	public void removeStage(PipelineStage stag) {
+		stages.remove(stag);
+	}
+
+	/**
+	 * Remove a pipeline stage by index.
+	 * 
+	 * @param idx
+	 *                The index of the stage to remove.
+	 */
+	public void removeStage(int idx) {
+		stages.remove(idx);
+	}
+
+}