Added the ability to set custom methods instead of the auto-generated methods, and added custom methods for getActions/setActions in OFFlowMod implementation classes of version 1.3.
diff --git a/java_gen/templates/_field_accessors.java b/java_gen/templates/_field_accessors.java
index b64b29b..b0b3b76 100644
--- a/java_gen/templates/_field_accessors.java
+++ b/java_gen/templates/_field_accessors.java
@@ -1,4 +1,12 @@
+//:: import os
+
 //:: for prop in msg.interface.members:
+
+//:: getter_template_file_name = "%s/custom/%s_%s.java" % (template_dir, msg.name if not builder else msg.name + '.Builder', prop.getter_name)
+//:: if os.path.exists(getter_template_file_name):
+//:: include(getter_template_file_name, msg=msg, builder=builder, has_parent=has_parent)
+//:: else:
+
     @Override
     public ${prop.java_type.public_type} ${prop.getter_name}()${ "" if prop in msg.members else "throws UnsupportedOperationException"} {
 //:: if prop in msg.members:
@@ -17,17 +25,23 @@
         throw new UnsupportedOperationException("Property ${prop.name} not supported in version #{version}");
 //:: #endif
     }
+//:: #endif
 
 //:: if generate_setters and prop.is_writeable:
+    //:: setter_template_file_name = "%s/custom/%s_%s.java" % (template_dir, msg.name if not builder else msg.name + '.Builder', prop.setter_name)
+    //:: if os.path.exists(setter_template_file_name):
+    //:: include(setter_template_file_name, msg=msg, builder=builder, has_parent=has_parent)
+    //:: else:
     @Override
     public ${msg.interface.name}.Builder ${prop.setter_name}(${prop.java_type.public_type} ${prop.name})${ "" if prop in msg.members else " throws UnsupportedOperationException"} {
-//:: if prop in msg.members:
+        //:: if prop in msg.members:
         this.${prop.name} = ${prop.name};
         this.${prop.name}Set = true;
         return this;
-//:: else:
+        //:: else:
             throw new UnsupportedOperationException("Property ${prop.name} not supported in version #{version}");
-//:: #endif
+        //:: #endif
     }
-//:: #endif
+    //:: #endif
+    //:: #endif
 //:: #endfor
diff --git a/java_gen/templates/custom/OFFlowAddVer13.Builder_getActions.java b/java_gen/templates/custom/OFFlowAddVer13.Builder_getActions.java
new file mode 100644
index 0000000..c3a42e3
--- /dev/null
+++ b/java_gen/templates/custom/OFFlowAddVer13.Builder_getActions.java
@@ -0,0 +1,20 @@
+
+    @Override
+    public List<OFAction> getActions()throws UnsupportedOperationException {
+//:: if builder:
+        if (!this.instructionsSet)
+//:: if has_parent:
+            return parentMessage.getActions();
+//:: else:
+            return Collections.emptyList();
+//:: #endif
+//:: #endif
+        ImmutableList.Builder<OFAction> builder = ImmutableList.builder();
+        for (OFInstruction inst : this.instructions) {
+            if (inst instanceof OFInstructionApplyActions) {
+                OFInstructionApplyActions iap = (OFInstructionApplyActions)inst;
+                builder.addAll(iap.getActions());
+            }
+        }
+        return builder.build();
+    }
\ No newline at end of file
diff --git a/java_gen/templates/custom/OFFlowAddVer13.Builder_setActions.java b/java_gen/templates/custom/OFFlowAddVer13.Builder_setActions.java
new file mode 100644
index 0000000..725de24
--- /dev/null
+++ b/java_gen/templates/custom/OFFlowAddVer13.Builder_setActions.java
@@ -0,0 +1,9 @@
+
+    @Override
+    public OFFlowAdd.Builder setActions(List<OFAction> actions) throws UnsupportedOperationException {
+        OFInstructionApplyActionsVer13.Builder builder = new OFInstructionApplyActionsVer13.Builder();
+        builder.setActions(actions);
+        this.instructions = Collections.singletonList((OFInstruction)builder.build());
+        this.instructionsSet = true;
+        return this;
+    }
\ No newline at end of file
diff --git a/java_gen/templates/custom/OFFlowAddVer13_getActions.java b/java_gen/templates/custom/OFFlowAddVer13_getActions.java
new file mode 100644
index 0000000..3b56d52
--- /dev/null
+++ b/java_gen/templates/custom/OFFlowAddVer13_getActions.java
@@ -0,0 +1,12 @@
+
+    @Override
+    public List<OFAction> getActions()throws UnsupportedOperationException {
+        ImmutableList.Builder<OFAction> builder = ImmutableList.builder();
+        for (OFInstruction inst : this.instructions) {
+            if (inst instanceof OFInstructionApplyActions) {
+                OFInstructionApplyActions iap = (OFInstructionApplyActions)inst;
+                builder.addAll(iap.getActions());
+            }
+        }
+        return builder.build();
+    }
\ No newline at end of file
diff --git a/java_gen/templates/custom/OFFlowDeleteStrictVer13.Builder_getActions.java b/java_gen/templates/custom/OFFlowDeleteStrictVer13.Builder_getActions.java
new file mode 100644
index 0000000..c3a42e3
--- /dev/null
+++ b/java_gen/templates/custom/OFFlowDeleteStrictVer13.Builder_getActions.java
@@ -0,0 +1,20 @@
+
+    @Override
+    public List<OFAction> getActions()throws UnsupportedOperationException {
+//:: if builder:
+        if (!this.instructionsSet)
+//:: if has_parent:
+            return parentMessage.getActions();
+//:: else:
+            return Collections.emptyList();
+//:: #endif
+//:: #endif
+        ImmutableList.Builder<OFAction> builder = ImmutableList.builder();
+        for (OFInstruction inst : this.instructions) {
+            if (inst instanceof OFInstructionApplyActions) {
+                OFInstructionApplyActions iap = (OFInstructionApplyActions)inst;
+                builder.addAll(iap.getActions());
+            }
+        }
+        return builder.build();
+    }
\ No newline at end of file
diff --git a/java_gen/templates/custom/OFFlowDeleteStrictVer13.Builder_setActions.java b/java_gen/templates/custom/OFFlowDeleteStrictVer13.Builder_setActions.java
new file mode 100644
index 0000000..b2dafe5
--- /dev/null
+++ b/java_gen/templates/custom/OFFlowDeleteStrictVer13.Builder_setActions.java
@@ -0,0 +1,9 @@
+
+    @Override
+    public OFFlowDeleteStrict.Builder setActions(List<OFAction> actions) throws UnsupportedOperationException {
+        OFInstructionApplyActionsVer13.Builder builder = new OFInstructionApplyActionsVer13.Builder();
+        builder.setActions(actions);
+        this.instructions = Collections.singletonList((OFInstruction)builder.build());
+        this.instructionsSet = true;
+        return this;
+    }
\ No newline at end of file
diff --git a/java_gen/templates/custom/OFFlowDeleteStrictVer13_getActions.java b/java_gen/templates/custom/OFFlowDeleteStrictVer13_getActions.java
new file mode 100644
index 0000000..3b56d52
--- /dev/null
+++ b/java_gen/templates/custom/OFFlowDeleteStrictVer13_getActions.java
@@ -0,0 +1,12 @@
+
+    @Override
+    public List<OFAction> getActions()throws UnsupportedOperationException {
+        ImmutableList.Builder<OFAction> builder = ImmutableList.builder();
+        for (OFInstruction inst : this.instructions) {
+            if (inst instanceof OFInstructionApplyActions) {
+                OFInstructionApplyActions iap = (OFInstructionApplyActions)inst;
+                builder.addAll(iap.getActions());
+            }
+        }
+        return builder.build();
+    }
\ No newline at end of file
diff --git a/java_gen/templates/custom/OFFlowDeleteVer13.Builder_getActions.java b/java_gen/templates/custom/OFFlowDeleteVer13.Builder_getActions.java
new file mode 100644
index 0000000..c3a42e3
--- /dev/null
+++ b/java_gen/templates/custom/OFFlowDeleteVer13.Builder_getActions.java
@@ -0,0 +1,20 @@
+
+    @Override
+    public List<OFAction> getActions()throws UnsupportedOperationException {
+//:: if builder:
+        if (!this.instructionsSet)
+//:: if has_parent:
+            return parentMessage.getActions();
+//:: else:
+            return Collections.emptyList();
+//:: #endif
+//:: #endif
+        ImmutableList.Builder<OFAction> builder = ImmutableList.builder();
+        for (OFInstruction inst : this.instructions) {
+            if (inst instanceof OFInstructionApplyActions) {
+                OFInstructionApplyActions iap = (OFInstructionApplyActions)inst;
+                builder.addAll(iap.getActions());
+            }
+        }
+        return builder.build();
+    }
\ No newline at end of file
diff --git a/java_gen/templates/custom/OFFlowDeleteVer13.Builder_setActions.java b/java_gen/templates/custom/OFFlowDeleteVer13.Builder_setActions.java
new file mode 100644
index 0000000..5576aaa
--- /dev/null
+++ b/java_gen/templates/custom/OFFlowDeleteVer13.Builder_setActions.java
@@ -0,0 +1,9 @@
+
+    @Override
+    public OFFlowDelete.Builder setActions(List<OFAction> actions) throws UnsupportedOperationException {
+        OFInstructionApplyActionsVer13.Builder builder = new OFInstructionApplyActionsVer13.Builder();
+        builder.setActions(actions);
+        this.instructions = Collections.singletonList((OFInstruction)builder.build());
+        this.instructionsSet = true;
+        return this;
+    }
\ No newline at end of file
diff --git a/java_gen/templates/custom/OFFlowDeleteVer13_getActions.java b/java_gen/templates/custom/OFFlowDeleteVer13_getActions.java
new file mode 100644
index 0000000..3b56d52
--- /dev/null
+++ b/java_gen/templates/custom/OFFlowDeleteVer13_getActions.java
@@ -0,0 +1,12 @@
+
+    @Override
+    public List<OFAction> getActions()throws UnsupportedOperationException {
+        ImmutableList.Builder<OFAction> builder = ImmutableList.builder();
+        for (OFInstruction inst : this.instructions) {
+            if (inst instanceof OFInstructionApplyActions) {
+                OFInstructionApplyActions iap = (OFInstructionApplyActions)inst;
+                builder.addAll(iap.getActions());
+            }
+        }
+        return builder.build();
+    }
\ No newline at end of file
diff --git a/java_gen/templates/custom/OFFlowModifyStrictVer13.Builder_getActions.java b/java_gen/templates/custom/OFFlowModifyStrictVer13.Builder_getActions.java
new file mode 100644
index 0000000..c3a42e3
--- /dev/null
+++ b/java_gen/templates/custom/OFFlowModifyStrictVer13.Builder_getActions.java
@@ -0,0 +1,20 @@
+
+    @Override
+    public List<OFAction> getActions()throws UnsupportedOperationException {
+//:: if builder:
+        if (!this.instructionsSet)
+//:: if has_parent:
+            return parentMessage.getActions();
+//:: else:
+            return Collections.emptyList();
+//:: #endif
+//:: #endif
+        ImmutableList.Builder<OFAction> builder = ImmutableList.builder();
+        for (OFInstruction inst : this.instructions) {
+            if (inst instanceof OFInstructionApplyActions) {
+                OFInstructionApplyActions iap = (OFInstructionApplyActions)inst;
+                builder.addAll(iap.getActions());
+            }
+        }
+        return builder.build();
+    }
\ No newline at end of file
diff --git a/java_gen/templates/custom/OFFlowModifyStrictVer13.Builder_setActions.java b/java_gen/templates/custom/OFFlowModifyStrictVer13.Builder_setActions.java
new file mode 100644
index 0000000..fc04079
--- /dev/null
+++ b/java_gen/templates/custom/OFFlowModifyStrictVer13.Builder_setActions.java
@@ -0,0 +1,9 @@
+
+    @Override
+    public OFFlowModifyStrict.Builder setActions(List<OFAction> actions) throws UnsupportedOperationException {
+        OFInstructionApplyActionsVer13.Builder builder = new OFInstructionApplyActionsVer13.Builder();
+        builder.setActions(actions);
+        this.instructions = Collections.singletonList((OFInstruction)builder.build());
+        this.instructionsSet = true;
+        return this;
+    }
\ No newline at end of file
diff --git a/java_gen/templates/custom/OFFlowModifyStrictVer13_getActions.java b/java_gen/templates/custom/OFFlowModifyStrictVer13_getActions.java
new file mode 100644
index 0000000..3b56d52
--- /dev/null
+++ b/java_gen/templates/custom/OFFlowModifyStrictVer13_getActions.java
@@ -0,0 +1,12 @@
+
+    @Override
+    public List<OFAction> getActions()throws UnsupportedOperationException {
+        ImmutableList.Builder<OFAction> builder = ImmutableList.builder();
+        for (OFInstruction inst : this.instructions) {
+            if (inst instanceof OFInstructionApplyActions) {
+                OFInstructionApplyActions iap = (OFInstructionApplyActions)inst;
+                builder.addAll(iap.getActions());
+            }
+        }
+        return builder.build();
+    }
\ No newline at end of file
diff --git a/java_gen/templates/custom/OFFlowModifyVer13.Builder_getActions.java b/java_gen/templates/custom/OFFlowModifyVer13.Builder_getActions.java
new file mode 100644
index 0000000..c3a42e3
--- /dev/null
+++ b/java_gen/templates/custom/OFFlowModifyVer13.Builder_getActions.java
@@ -0,0 +1,20 @@
+
+    @Override
+    public List<OFAction> getActions()throws UnsupportedOperationException {
+//:: if builder:
+        if (!this.instructionsSet)
+//:: if has_parent:
+            return parentMessage.getActions();
+//:: else:
+            return Collections.emptyList();
+//:: #endif
+//:: #endif
+        ImmutableList.Builder<OFAction> builder = ImmutableList.builder();
+        for (OFInstruction inst : this.instructions) {
+            if (inst instanceof OFInstructionApplyActions) {
+                OFInstructionApplyActions iap = (OFInstructionApplyActions)inst;
+                builder.addAll(iap.getActions());
+            }
+        }
+        return builder.build();
+    }
\ No newline at end of file
diff --git a/java_gen/templates/custom/OFFlowModifyVer13.Builder_setActions.java b/java_gen/templates/custom/OFFlowModifyVer13.Builder_setActions.java
new file mode 100644
index 0000000..695b771
--- /dev/null
+++ b/java_gen/templates/custom/OFFlowModifyVer13.Builder_setActions.java
@@ -0,0 +1,9 @@
+
+    @Override
+    public OFFlowModify.Builder setActions(List<OFAction> actions) throws UnsupportedOperationException {
+        OFInstructionApplyActionsVer13.Builder builder = new OFInstructionApplyActionsVer13.Builder();
+        builder.setActions(actions);
+        this.instructions = Collections.singletonList((OFInstruction)builder.build());
+        this.instructionsSet = true;
+        return this;
+    }
\ No newline at end of file
diff --git a/java_gen/templates/custom/OFFlowModifyVer13_getActions.java b/java_gen/templates/custom/OFFlowModifyVer13_getActions.java
new file mode 100644
index 0000000..3b56d52
--- /dev/null
+++ b/java_gen/templates/custom/OFFlowModifyVer13_getActions.java
@@ -0,0 +1,12 @@
+
+    @Override
+    public List<OFAction> getActions()throws UnsupportedOperationException {
+        ImmutableList.Builder<OFAction> builder = ImmutableList.builder();
+        for (OFInstruction inst : this.instructions) {
+            if (inst instanceof OFInstructionApplyActions) {
+                OFInstructionApplyActions iap = (OFInstructionApplyActions)inst;
+                builder.addAll(iap.getActions());
+            }
+        }
+        return builder.build();
+    }
\ No newline at end of file
diff --git a/java_gen/templates/of_class.java b/java_gen/templates/of_class.java
index 93ab558..d03ffbf 100644
--- a/java_gen/templates/of_class.java
+++ b/java_gen/templates/of_class.java
@@ -71,7 +71,7 @@
     //:: #endif
 
     // Accessors for OF message fields
-    //:: include("_field_accessors.java", msg=msg, generate_setters=False, builder=False)
+    //:: include("_field_accessors.java", msg=msg, generate_setters=False, builder=False, has_parent=False)
 
     //:: if os.path.exists("%s/custom/%s.java" % (template_dir, msg.name)):
     //:: include("custom/%s.java" % msg.name, msg=msg)
@@ -95,7 +95,7 @@
             this.parentMessage = parentMessage;
         }
 
-//:: include("_field_accessors.java", msg=msg, generate_setters=True, builder=True)
+//:: include("_field_accessors.java", msg=msg, generate_setters=True, builder=True, has_parent=True)
 
         @Override
         public ${msg.interface.name} build() {
@@ -118,7 +118,7 @@
         private ${prop.java_type.public_type} ${prop.name};
 //:: #endfor
 
-//:: include("_field_accessors.java", msg=msg, generate_setters=True, builder=True)
+//:: include("_field_accessors.java", msg=msg, generate_setters=True, builder=True, has_parent=False)
 //
         @Override
         public ${msg.interface.name} build() {