diff --git a/AlgebraicDataflowArchitectureModel/src/models/Edge.java b/AlgebraicDataflowArchitectureModel/src/models/Edge.java
index 219b645..9ea2037 100644
--- a/AlgebraicDataflowArchitectureModel/src/models/Edge.java
+++ b/AlgebraicDataflowArchitectureModel/src/models/Edge.java
@@ -3,6 +3,7 @@
 public class Edge {
 	protected Node source;
 	protected Node destination;
+	private EdgeAttribute attribute;
 	
 	public Edge(Node src, Node dst) {
 		source = src;
@@ -24,4 +25,12 @@
 	public void setDestination(Node destination) {
 		this.destination = destination;
 	}
+
+	public EdgeAttribute getAttribute() {
+		return attribute;
+	}
+
+	public void setAttribute(EdgeAttribute attribute) {
+		this.attribute = attribute;
+	}
 }
diff --git a/AlgebraicDataflowArchitectureModel/src/models/EdgeAttribute.java b/AlgebraicDataflowArchitectureModel/src/models/EdgeAttribute.java
new file mode 100644
index 0000000..ea6cdec
--- /dev/null
+++ b/AlgebraicDataflowArchitectureModel/src/models/EdgeAttribute.java
@@ -0,0 +1,5 @@
+package models;
+
+public class EdgeAttribute {
+
+}
diff --git a/AlgebraicDataflowArchitectureModel/src/models/Node.java b/AlgebraicDataflowArchitectureModel/src/models/Node.java
index 53d7f69..3fa1e28 100644
--- a/AlgebraicDataflowArchitectureModel/src/models/Node.java
+++ b/AlgebraicDataflowArchitectureModel/src/models/Node.java
@@ -6,6 +6,7 @@
 public class Node implements Cloneable {
 	private Set<Edge> inEdges = null;
 	private Set<Edge> outEdges = null;
+	private NodeAttribute attribute;
 	
 	public Node() {
 		inEdges = new HashSet<>();
@@ -75,4 +76,12 @@
 		}
 		return successors;
 	}
+
+	public NodeAttribute getAttribute() {
+		return attribute;
+	}
+
+	public void setAttribute(NodeAttribute attribute) {
+		this.attribute = attribute;
+	}
 }
diff --git a/AlgebraicDataflowArchitectureModel/src/models/NodeAttribute.java b/AlgebraicDataflowArchitectureModel/src/models/NodeAttribute.java
new file mode 100644
index 0000000..7d1ded2
--- /dev/null
+++ b/AlgebraicDataflowArchitectureModel/src/models/NodeAttribute.java
@@ -0,0 +1,5 @@
+package models;
+
+public class NodeAttribute {
+
+}
diff --git a/AlgebraicDataflowArchitectureModel/src/models/dataFlowModel/PushPullAttribute.java b/AlgebraicDataflowArchitectureModel/src/models/dataFlowModel/PushPullAttribute.java
new file mode 100644
index 0000000..fb1a076
--- /dev/null
+++ b/AlgebraicDataflowArchitectureModel/src/models/dataFlowModel/PushPullAttribute.java
@@ -0,0 +1,30 @@
+package models.dataFlowModel;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import models.EdgeAttribute;
+
+public class PushPullAttribute extends EdgeAttribute {
+	private Set<PushPullValue> options;
+	
+	public PushPullAttribute() {
+		options = new HashSet<>();
+	}
+
+	public Set<PushPullValue> getOptions() {
+		return options;
+	}
+
+	public void setOptions(Set<PushPullValue> options) {
+		this.options = options;
+	}
+
+	public void addOption(PushPullValue option) {
+		options.add(option);
+	}
+
+	public void removeOption(PushPullValue option) {
+		options.remove(option);
+	}
+}
diff --git a/AlgebraicDataflowArchitectureModel/src/models/dataFlowModel/PushPullValue.java b/AlgebraicDataflowArchitectureModel/src/models/dataFlowModel/PushPullValue.java
new file mode 100644
index 0000000..f50e084
--- /dev/null
+++ b/AlgebraicDataflowArchitectureModel/src/models/dataFlowModel/PushPullValue.java
@@ -0,0 +1,7 @@
+package models.dataFlowModel;
+
+public enum PushPullValue {
+	PULL,
+	PUSHorPULL,
+	PUSH
+}
diff --git a/AlgebraicDataflowArchitectureModel/src/models/dataFlowModel/StoreAttribute.java b/AlgebraicDataflowArchitectureModel/src/models/dataFlowModel/StoreAttribute.java
new file mode 100644
index 0000000..18bd3b1
--- /dev/null
+++ b/AlgebraicDataflowArchitectureModel/src/models/dataFlowModel/StoreAttribute.java
@@ -0,0 +1,24 @@
+package models.dataFlowModel;
+
+import models.NodeAttribute;
+
+public class StoreAttribute extends NodeAttribute {
+	private boolean isNeeded = false;
+	private boolean isStored = false;
+	
+	public boolean isNeeded() {
+		return isNeeded;
+	}
+	
+	public void setNeeded(boolean isNeeded) {
+		this.isNeeded = isNeeded;
+	}
+	
+	public boolean isStored() {
+		return isStored;
+	}
+	
+	public void setStored(boolean isStored) {
+		this.isStored = isStored;
+	}
+}