From 5165221d84436763d1db18564c8ae420428f94e2 Mon Sep 17 00:00:00 2001
From: Janne Valkealahti <janne.valkealahti@gmail.com>
Date: Sat, 16 Apr 2016 15:36:26 +0100
Subject: [PATCH] Add history state support for uml model

- Relates to #193
---
 .../statemachine/uml/UmlModelParser.java      |   8 +
 .../uml/UmlStateMachineModelFactoryTests.java |  72 +++++
 .../statemachine/uml/simple-history-deep.di   |   2 +
 .../uml/simple-history-deep.notation          | 285 ++++++++++++++++++
 .../statemachine/uml/simple-history-deep.uml  |  46 +++
 .../uml/simple-history-shallow.di             |   2 +
 .../uml/simple-history-shallow.notation       | 216 +++++++++++++
 .../uml/simple-history-shallow.uml            |  39 +++
 8 files changed, 670 insertions(+)
 create mode 100644 spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-deep.di
 create mode 100644 spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-deep.notation
 create mode 100644 spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-deep.uml
 create mode 100644 spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-shallow.di
 create mode 100644 spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-shallow.notation
 create mode 100644 spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-shallow.uml

diff --git a/spring-statemachine-uml/src/main/java/org/springframework/statemachine/uml/UmlModelParser.java b/spring-statemachine-uml/src/main/java/org/springframework/statemachine/uml/UmlModelParser.java
index a5b63aea..ac8b374b 100644
--- a/spring-statemachine-uml/src/main/java/org/springframework/statemachine/uml/UmlModelParser.java
+++ b/spring-statemachine-uml/src/main/java/org/springframework/statemachine/uml/UmlModelParser.java
@@ -174,6 +174,14 @@ public class UmlModelParser {
 					StateData<String, String> cpStateData = new StateData<>(parent, regionId, state.getName(), false);
 					cpStateData.setPseudoStateKind(PseudoStateKind.JOIN);
 					stateDatas.add(cpStateData);
+				} else if (state.getKind() == PseudostateKind.SHALLOW_HISTORY_LITERAL) {
+					StateData<String, String> cpStateData = new StateData<>(parent, regionId, state.getName(), false);
+					cpStateData.setPseudoStateKind(PseudoStateKind.HISTORY_SHALLOW);
+					stateDatas.add(cpStateData);
+				} else if (state.getKind() == PseudostateKind.DEEP_HISTORY_LITERAL) {
+					StateData<String, String> cpStateData = new StateData<>(parent, regionId, state.getName(), false);
+					cpStateData.setPseudoStateKind(PseudoStateKind.HISTORY_DEEP);
+					stateDatas.add(cpStateData);
 				}
 			}
 		}
diff --git a/spring-statemachine-uml/src/test/java/org/springframework/statemachine/uml/UmlStateMachineModelFactoryTests.java b/spring-statemachine-uml/src/test/java/org/springframework/statemachine/uml/UmlStateMachineModelFactoryTests.java
index 4e05d09f..c2795454 100644
--- a/spring-statemachine-uml/src/test/java/org/springframework/statemachine/uml/UmlStateMachineModelFactoryTests.java
+++ b/spring-statemachine-uml/src/test/java/org/springframework/statemachine/uml/UmlStateMachineModelFactoryTests.java
@@ -312,6 +312,42 @@ public class UmlStateMachineModelFactoryTests extends AbstractUmlTests {
 		assertThat(stateMachine.getState().getIds(), containsInAnyOrder("SF"));
 	}
 
+	@Test
+	@SuppressWarnings("unchecked")
+	public void testSimpleHistoryShallow() {
+		context.register(Config8.class);
+		context.refresh();
+		StateMachine<String, String> stateMachine = context.getBean(StateMachine.class);
+		stateMachine.start();
+		assertThat(stateMachine.getState().getIds(), containsInAnyOrder("S1"));
+		stateMachine.sendEvent("E1");
+		assertThat(stateMachine.getState().getIds(), containsInAnyOrder("S2", "S20"));
+		stateMachine.sendEvent("E2");
+		assertThat(stateMachine.getState().getIds(), containsInAnyOrder("S2", "S21"));
+		stateMachine.sendEvent("E3");
+		assertThat(stateMachine.getState().getIds(), containsInAnyOrder("S1"));
+		stateMachine.sendEvent("E4");
+		assertThat(stateMachine.getState().getIds(), containsInAnyOrder("S2", "S21"));
+	}
+
+	@Test
+	@SuppressWarnings("unchecked")
+	public void testSimpleHistoryDeep() {
+		context.register(Config9.class);
+		context.refresh();
+		StateMachine<String, String> stateMachine = context.getBean(StateMachine.class);
+		stateMachine.start();
+		assertThat(stateMachine.getState().getIds(), containsInAnyOrder("S1"));
+		stateMachine.sendEvent("E1");
+		assertThat(stateMachine.getState().getIds(), containsInAnyOrder("S2", "S21", "S211"));
+		stateMachine.sendEvent("E2");
+		assertThat(stateMachine.getState().getIds(), containsInAnyOrder("S2", "S21", "S212"));
+		stateMachine.sendEvent("E3");
+		assertThat(stateMachine.getState().getIds(), containsInAnyOrder("S1"));
+		stateMachine.sendEvent("E4");
+		assertThat(stateMachine.getState().getIds(), containsInAnyOrder("S2", "S21", "S212"));
+	}
+
 	@Configuration
 	@EnableStateMachine
 	public static class Config2 extends StateMachineConfigurerAdapter<String, String> {
@@ -435,6 +471,42 @@ public class UmlStateMachineModelFactoryTests extends AbstractUmlTests {
 		}
 	}
 
+	@Configuration
+	@EnableStateMachine
+	public static class Config8 extends StateMachineConfigurerAdapter<String, String> {
+
+		@Override
+		public void configure(StateMachineModelConfigurer<String, String> model) throws Exception {
+			model
+				.withModel()
+					.factory(modelFactory());
+		}
+
+		@Bean
+		public StateMachineModelFactory<String, String> modelFactory() {
+			Resource model = new ClassPathResource("org/springframework/statemachine/uml/simple-history-shallow.uml");
+			return new UmlStateMachineModelFactory(model);
+		}
+	}
+
+	@Configuration
+	@EnableStateMachine
+	public static class Config9 extends StateMachineConfigurerAdapter<String, String> {
+
+		@Override
+		public void configure(StateMachineModelConfigurer<String, String> model) throws Exception {
+			model
+				.withModel()
+					.factory(modelFactory());
+		}
+
+		@Bean
+		public StateMachineModelFactory<String, String> modelFactory() {
+			Resource model = new ClassPathResource("org/springframework/statemachine/uml/simple-history-deep.uml");
+			return new UmlStateMachineModelFactory(model);
+		}
+	}
+
 	public static class LatchAction implements Action<String, String> {
 		CountDownLatch latch = new CountDownLatch(1);
 		@Override
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-deep.di b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-deep.di
new file mode 100644
index 00000000..bf9abab3
--- /dev/null
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-deep.di
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xmi:XMI xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI"/>
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-deep.notation b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-deep.notation
new file mode 100644
index 00000000..2be85279
--- /dev/null
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-deep.notation
@@ -0,0 +1,285 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<notation:Diagram xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" xmlns:notation="http://www.eclipse.org/gmf/runtime/1.0.2/notation" xmlns:style="http://www.eclipse.org/papyrus/infra/viewpoints/policy/style" xmlns:uml="http://www.eclipse.org/uml2/5.0.0/UML" xmi:id="_FKCDwAPVEeaXyaQL1WyV3A" type="PapyrusUMLStateMachineDiagram" name="StateMachine Diagram" measurementUnit="Pixel">
+  <children xmi:type="notation:Shape" xmi:id="_FKCDwQPVEeaXyaQL1WyV3A" type="2000">
+    <children xmi:type="notation:DecorationNode" xmi:id="_FKCDwgPVEeaXyaQL1WyV3A" type="2001">
+      <layoutConstraint xmi:type="notation:Bounds" xmi:id="_FKCDwwPVEeaXyaQL1WyV3A" width="700" height="23"/>
+    </children>
+    <children xmi:type="notation:DecorationNode" xmi:id="_FKCDxAPVEeaXyaQL1WyV3A" type="2002">
+      <children xmi:type="notation:Shape" xmi:id="_FKCDxQPVEeaXyaQL1WyV3A" type="3000">
+        <eAnnotations xmi:type="ecore:EAnnotation" xmi:id="_FKCDxgPVEeaXyaQL1WyV3A" source="RegionAnnotationKey">
+          <details xmi:type="ecore:EStringToStringMapEntry" xmi:id="_FKCDxwPVEeaXyaQL1WyV3A" key="RegionZoneKey" value=""/>
+        </eAnnotations>
+        <children xmi:type="notation:DecorationNode" xmi:id="_FKCDyAPVEeaXyaQL1WyV3A" type="3002">
+          <children xmi:type="notation:Shape" xmi:id="_J2AqsAPVEeaXyaQL1WyV3A" type="8000">
+            <children xmi:type="notation:DecorationNode" xmi:id="_J2AqsgPVEeaXyaQL1WyV3A" type="8001">
+              <layoutConstraint xmi:type="notation:Location" xmi:id="_J2BRwAPVEeaXyaQL1WyV3A" x="25" y="3"/>
+            </children>
+            <children xmi:type="notation:DecorationNode" xmi:id="_J2B40APVEeaXyaQL1WyV3A" type="8002">
+              <layoutConstraint xmi:type="notation:Location" xmi:id="_J2B40QPVEeaXyaQL1WyV3A" x="25" y="-10"/>
+            </children>
+            <element xmi:type="uml:Pseudostate" href="simple-history-deep.uml#_J15V8APVEeaXyaQL1WyV3A"/>
+            <layoutConstraint xmi:type="notation:Bounds" xmi:id="_J2AqsQPVEeaXyaQL1WyV3A" x="10" y="47"/>
+          </children>
+          <children xmi:type="notation:Shape" xmi:id="_LaacsAPVEeaXyaQL1WyV3A" type="6000">
+            <children xmi:type="notation:DecorationNode" xmi:id="_LaacsgPVEeaXyaQL1WyV3A" type="6001">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_aj6LYAPVEeaXyaQL1WyV3A" width="61"/>
+            </children>
+            <children xmi:type="notation:DecorationNode" xmi:id="_LaacswPVEeaXyaQL1WyV3A" type="19003">
+              <layoutConstraint xmi:type="notation:Location" xmi:id="_LaactAPVEeaXyaQL1WyV3A" x="40"/>
+            </children>
+            <children xmi:type="notation:DecorationNode" xmi:id="_LaactQPVEeaXyaQL1WyV3A" type="6002">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_LaactgPVEeaXyaQL1WyV3A" y="-1" width="61"/>
+            </children>
+            <element xmi:type="uml:State" href="simple-history-deep.uml#_LaWyUAPVEeaXyaQL1WyV3A"/>
+            <layoutConstraint xmi:type="notation:Bounds" xmi:id="_LaacsQPVEeaXyaQL1WyV3A" x="70" y="47" width="61" height="221"/>
+          </children>
+          <children xmi:type="notation:Shape" xmi:id="_NBGGoAPVEeaXyaQL1WyV3A" type="6000">
+            <children xmi:type="notation:DecorationNode" xmi:id="_NBGGogPVEeaXyaQL1WyV3A" type="6001">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_NqPKQAPVEeaXyaQL1WyV3A" width="481" height="23"/>
+            </children>
+            <children xmi:type="notation:DecorationNode" xmi:id="_NBGGowPVEeaXyaQL1WyV3A" type="19003">
+              <layoutConstraint xmi:type="notation:Location" xmi:id="_NBGGpAPVEeaXyaQL1WyV3A" x="40"/>
+            </children>
+            <children xmi:type="notation:DecorationNode" xmi:id="_NBGGpQPVEeaXyaQL1WyV3A" type="6002">
+              <eAnnotations xmi:type="ecore:EAnnotation" xmi:id="_RY-s4APVEeaXyaQL1WyV3A" source="PapyrusCSSForceValue">
+                <details xmi:type="ecore:EStringToStringMapEntry" xmi:id="_RY-s4QPVEeaXyaQL1WyV3A" key="visible" value="true"/>
+              </eAnnotations>
+              <children xmi:type="notation:Shape" xmi:id="_RY_7AAPVEeaXyaQL1WyV3A" type="3000">
+                <eAnnotations xmi:type="ecore:EAnnotation" xmi:id="_RY_7BAPVEeaXyaQL1WyV3A" source="RegionAnnotationKey">
+                  <details xmi:type="ecore:EStringToStringMapEntry" xmi:id="_RY_7BQPVEeaXyaQL1WyV3A" key="RegionZoneKey" value=""/>
+                </eAnnotations>
+                <children xmi:type="notation:DecorationNode" xmi:id="_RY_7AgPVEeaXyaQL1WyV3A" type="3002">
+                  <children xmi:type="notation:Shape" xmi:id="_RZAiEAPVEeaXyaQL1WyV3A" type="6000">
+                    <children xmi:type="notation:DecorationNode" xmi:id="_RZAiEgPVEeaXyaQL1WyV3A" type="6001">
+                      <layoutConstraint xmi:type="notation:Bounds" xmi:id="_cNzhYgPVEeaXyaQL1WyV3A" width="61"/>
+                    </children>
+                    <children xmi:type="notation:DecorationNode" xmi:id="_RZAiEwPVEeaXyaQL1WyV3A" type="19003">
+                      <layoutConstraint xmi:type="notation:Location" xmi:id="_RZAiFAPVEeaXyaQL1WyV3A" x="40"/>
+                    </children>
+                    <children xmi:type="notation:DecorationNode" xmi:id="_RZAiFQPVEeaXyaQL1WyV3A" type="6002">
+                      <layoutConstraint xmi:type="notation:Bounds" xmi:id="_RZAiFgPVEeaXyaQL1WyV3A" y="-1" width="61"/>
+                    </children>
+                    <element xmi:type="uml:State" href="simple-history-deep.uml#_RY_7BgPVEeaXyaQL1WyV3A"/>
+                    <layoutConstraint xmi:type="notation:Bounds" xmi:id="_RZAiEQPVEeaXyaQL1WyV3A" x="80" y="37" width="61" height="61"/>
+                  </children>
+                  <children xmi:type="notation:Shape" xmi:id="_Tj_L4APVEeaXyaQL1WyV3A" type="6000">
+                    <children xmi:type="notation:DecorationNode" xmi:id="_Tj_L4gPVEeaXyaQL1WyV3A" type="6001">
+                      <layoutConstraint xmi:type="notation:Bounds" xmi:id="_VpvXcAPVEeaXyaQL1WyV3A" width="281" height="23"/>
+                    </children>
+                    <children xmi:type="notation:DecorationNode" xmi:id="_Tj_L4wPVEeaXyaQL1WyV3A" type="19003">
+                      <layoutConstraint xmi:type="notation:Location" xmi:id="_Tj_L5APVEeaXyaQL1WyV3A" x="40"/>
+                    </children>
+                    <children xmi:type="notation:DecorationNode" xmi:id="_Tj_L5QPVEeaXyaQL1WyV3A" type="6002">
+                      <eAnnotations xmi:type="ecore:EAnnotation" xmi:id="_WTrFQAPVEeaXyaQL1WyV3A" source="PapyrusCSSForceValue">
+                        <details xmi:type="ecore:EStringToStringMapEntry" xmi:id="_WTrsUAPVEeaXyaQL1WyV3A" key="visible" value="true"/>
+                      </eAnnotations>
+                      <children xmi:type="notation:Shape" xmi:id="_WTrsUgPVEeaXyaQL1WyV3A" type="3000">
+                        <eAnnotations xmi:type="ecore:EAnnotation" xmi:id="_WTsTYgPVEeaXyaQL1WyV3A" source="RegionAnnotationKey">
+                          <details xmi:type="ecore:EStringToStringMapEntry" xmi:id="_WTsTYwPVEeaXyaQL1WyV3A" key="RegionZoneKey" value=""/>
+                        </eAnnotations>
+                        <children xmi:type="notation:DecorationNode" xmi:id="_WTsTYAPVEeaXyaQL1WyV3A" type="3002">
+                          <children xmi:type="notation:Shape" xmi:id="_WTsTZQPVEeaXyaQL1WyV3A" type="6000">
+                            <children xmi:type="notation:DecorationNode" xmi:id="_WTsTZwPVEeaXyaQL1WyV3A" type="6001">
+                              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_cNzhYQPVEeaXyaQL1WyV3A" width="61"/>
+                            </children>
+                            <children xmi:type="notation:DecorationNode" xmi:id="_WTsTaAPVEeaXyaQL1WyV3A" type="19003">
+                              <layoutConstraint xmi:type="notation:Location" xmi:id="_WTsTaQPVEeaXyaQL1WyV3A" x="40"/>
+                            </children>
+                            <children xmi:type="notation:DecorationNode" xmi:id="_WTsTagPVEeaXyaQL1WyV3A" type="6002">
+                              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_WTsTawPVEeaXyaQL1WyV3A" y="-1" width="61"/>
+                            </children>
+                            <element xmi:type="uml:State" href="simple-history-deep.uml#_WTsTZAPVEeaXyaQL1WyV3A"/>
+                            <layoutConstraint xmi:type="notation:Bounds" xmi:id="_WTsTZgPVEeaXyaQL1WyV3A" x="80" y="17" width="61" height="61"/>
+                          </children>
+                          <children xmi:type="notation:Shape" xmi:id="_Yq9swAPVEeaXyaQL1WyV3A" type="6000">
+                            <children xmi:type="notation:DecorationNode" xmi:id="_Yq9swgPVEeaXyaQL1WyV3A" type="6001">
+                              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_cNzhYAPVEeaXyaQL1WyV3A" width="61"/>
+                            </children>
+                            <children xmi:type="notation:DecorationNode" xmi:id="_Yq9swwPVEeaXyaQL1WyV3A" type="19003">
+                              <layoutConstraint xmi:type="notation:Location" xmi:id="_Yq9sxAPVEeaXyaQL1WyV3A" x="40"/>
+                            </children>
+                            <children xmi:type="notation:DecorationNode" xmi:id="_Yq9sxQPVEeaXyaQL1WyV3A" type="6002">
+                              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_Yq-T0APVEeaXyaQL1WyV3A" y="-1" width="61"/>
+                            </children>
+                            <element xmi:type="uml:State" href="simple-history-deep.uml#_Yq2YAAPVEeaXyaQL1WyV3A"/>
+                            <layoutConstraint xmi:type="notation:Bounds" xmi:id="_Yq9swQPVEeaXyaQL1WyV3A" x="180" y="17" width="61" height="121"/>
+                          </children>
+                          <children xmi:type="notation:Shape" xmi:id="_nsE7gAPVEeaXyaQL1WyV3A" type="8000">
+                            <children xmi:type="notation:DecorationNode" xmi:id="_nsFikAPVEeaXyaQL1WyV3A" type="8001">
+                              <layoutConstraint xmi:type="notation:Location" xmi:id="_nsFikQPVEeaXyaQL1WyV3A" x="25" y="3"/>
+                            </children>
+                            <children xmi:type="notation:DecorationNode" xmi:id="_nsFikgPVEeaXyaQL1WyV3A" type="8002">
+                              <layoutConstraint xmi:type="notation:Location" xmi:id="_nsFikwPVEeaXyaQL1WyV3A" x="25" y="-10"/>
+                            </children>
+                            <element xmi:type="uml:Pseudostate" href="simple-history-deep.uml#_nr8_sAPVEeaXyaQL1WyV3A"/>
+                            <layoutConstraint xmi:type="notation:Bounds" xmi:id="_nsE7gQPVEeaXyaQL1WyV3A" x="20" y="17"/>
+                          </children>
+                          <layoutConstraint xmi:type="notation:Bounds" xmi:id="_WTsTYQPVEeaXyaQL1WyV3A"/>
+                        </children>
+                        <element xmi:type="uml:Region" href="simple-history-deep.uml#_WTrsUQPVEeaXyaQL1WyV3A"/>
+                        <layoutConstraint xmi:type="notation:Bounds" xmi:id="_WTrsUwPVEeaXyaQL1WyV3A" width="281" height="158"/>
+                      </children>
+                      <layoutConstraint xmi:type="notation:Bounds" xmi:id="_Tj_L5gPVEeaXyaQL1WyV3A" y="23" width="281" height="158"/>
+                    </children>
+                    <element xmi:type="uml:State" href="simple-history-deep.uml#_Tj5sUAPVEeaXyaQL1WyV3A"/>
+                    <layoutConstraint xmi:type="notation:Bounds" xmi:id="_Tj_L4QPVEeaXyaQL1WyV3A" x="180" y="37" width="281" height="181"/>
+                  </children>
+                  <children xmi:type="notation:Shape" xmi:id="_jPmwMAPVEeaXyaQL1WyV3A" type="8000">
+                    <children xmi:type="notation:DecorationNode" xmi:id="_jPnXQAPVEeaXyaQL1WyV3A" type="8001">
+                      <layoutConstraint xmi:type="notation:Location" xmi:id="_jPnXQQPVEeaXyaQL1WyV3A" x="25" y="3"/>
+                    </children>
+                    <children xmi:type="notation:DecorationNode" xmi:id="_jPnXQgPVEeaXyaQL1WyV3A" type="8002">
+                      <layoutConstraint xmi:type="notation:Location" xmi:id="_jPnXQwPVEeaXyaQL1WyV3A" x="25" y="-10"/>
+                    </children>
+                    <element xmi:type="uml:Pseudostate" href="simple-history-deep.uml#_jPfbcAPVEeaXyaQL1WyV3A"/>
+                    <layoutConstraint xmi:type="notation:Bounds" xmi:id="_jPmwMQPVEeaXyaQL1WyV3A" x="20" y="37"/>
+                  </children>
+                  <children xmi:type="notation:Shape" xmi:id="_G3kuMAPWEeaXyaQL1WyV3A" type="14000">
+                    <children xmi:type="notation:DecorationNode" xmi:id="_G3kuMgPWEeaXyaQL1WyV3A" type="14001">
+                      <layoutConstraint xmi:type="notation:Location" xmi:id="_G3kuMwPWEeaXyaQL1WyV3A" x="25" y="3"/>
+                    </children>
+                    <children xmi:type="notation:DecorationNode" xmi:id="_G3kuNAPWEeaXyaQL1WyV3A" type="14002">
+                      <layoutConstraint xmi:type="notation:Location" xmi:id="_G3kuNQPWEeaXyaQL1WyV3A" x="25" y="-10"/>
+                    </children>
+                    <element xmi:type="uml:Pseudostate" href="simple-history-deep.uml#_G3X54APWEeaXyaQL1WyV3A"/>
+                    <layoutConstraint xmi:type="notation:Bounds" xmi:id="_G3kuMQPWEeaXyaQL1WyV3A" x="60" y="197"/>
+                  </children>
+                  <layoutConstraint xmi:type="notation:Bounds" xmi:id="_RY_7AwPVEeaXyaQL1WyV3A"/>
+                </children>
+                <element xmi:type="uml:Region" href="simple-history-deep.uml#_RY_T8APVEeaXyaQL1WyV3A"/>
+                <layoutConstraint xmi:type="notation:Bounds" xmi:id="_RY_7AQPVEeaXyaQL1WyV3A" width="481" height="228"/>
+              </children>
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_NBGGpgPVEeaXyaQL1WyV3A" y="23" width="481" height="228"/>
+            </children>
+            <element xmi:type="uml:State" href="simple-history-deep.uml#_NBB1MAPVEeaXyaQL1WyV3A"/>
+            <layoutConstraint xmi:type="notation:Bounds" xmi:id="_NBGGoQPVEeaXyaQL1WyV3A" x="190" y="27" width="481" height="251"/>
+          </children>
+          <layoutConstraint xmi:type="notation:Bounds" xmi:id="_FKCDyQPVEeaXyaQL1WyV3A"/>
+        </children>
+        <element xmi:type="uml:Region" href="simple-history-deep.uml#_FKBcsAPVEeaXyaQL1WyV3A"/>
+        <layoutConstraint xmi:type="notation:Bounds" xmi:id="_FKCDygPVEeaXyaQL1WyV3A" width="700" height="287"/>
+      </children>
+      <layoutConstraint xmi:type="notation:Bounds" xmi:id="_FKCDywPVEeaXyaQL1WyV3A" y="23" width="700" height="287"/>
+    </children>
+    <element xmi:type="uml:StateMachine" href="simple-history-deep.uml#_FKA1oAPVEeaXyaQL1WyV3A"/>
+    <layoutConstraint xmi:type="notation:Bounds" xmi:id="_FKCDzAPVEeaXyaQL1WyV3A" x="30" y="30" width="700" height="310"/>
+  </children>
+  <styles xmi:type="notation:StringValueStyle" xmi:id="_FKCDzQPVEeaXyaQL1WyV3A" name="diagram_compatibility_version" stringValue="1.1.0"/>
+  <styles xmi:type="notation:DiagramStyle" xmi:id="_FKCDzgPVEeaXyaQL1WyV3A"/>
+  <styles xmi:type="style:PapyrusViewStyle" xmi:id="_FKCDzwPVEeaXyaQL1WyV3A">
+    <owner xmi:type="uml:Model" href="simple-history-deep.uml#_FKAOkAPVEeaXyaQL1WyV3A"/>
+  </styles>
+  <element xmi:type="uml:StateMachine" href="simple-history-deep.uml#_FKA1oAPVEeaXyaQL1WyV3A"/>
+  <edges xmi:type="notation:Connector" xmi:id="_5h34YAPVEeaXyaQL1WyV3A" type="7000" source="_J2AqsAPVEeaXyaQL1WyV3A" target="_LaacsAPVEeaXyaQL1WyV3A">
+    <children xmi:type="notation:DecorationNode" xmi:id="_5h4fcAPVEeaXyaQL1WyV3A" type="7001">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_5h4fcQPVEeaXyaQL1WyV3A"/>
+    </children>
+    <children xmi:type="notation:DecorationNode" xmi:id="_5h4fcgPVEeaXyaQL1WyV3A" type="7002">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_5h4fcwPVEeaXyaQL1WyV3A"/>
+    </children>
+    <children xmi:type="notation:DecorationNode" xmi:id="_5h4fdAPVEeaXyaQL1WyV3A" type="7003">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_5h4fdQPVEeaXyaQL1WyV3A" y="60"/>
+    </children>
+    <styles xmi:type="notation:FontStyle" xmi:id="_5h34YQPVEeaXyaQL1WyV3A"/>
+    <element xmi:type="uml:Transition" href="simple-history-deep.uml#_5hsSMAPVEeaXyaQL1WyV3A"/>
+    <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_5h34YgPVEeaXyaQL1WyV3A" points="[8, -1, -69, 0]$[76, -10, -1, -9]"/>
+    <sourceAnchor xmi:type="notation:IdentityAnchor" xmi:id="_5igKgAPVEeaXyaQL1WyV3A" id="(1.0,0.55)"/>
+    <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_5igxkAPVEeaXyaQL1WyV3A" id="(0.0,0.12345679012345678)"/>
+  </edges>
+  <edges xmi:type="notation:Connector" xmi:id="_6QXWEAPVEeaXyaQL1WyV3A" type="7000" source="_jPmwMAPVEeaXyaQL1WyV3A" target="_RZAiEAPVEeaXyaQL1WyV3A">
+    <children xmi:type="notation:DecorationNode" xmi:id="_6QXWEwPVEeaXyaQL1WyV3A" type="7001">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_6QXWFAPVEeaXyaQL1WyV3A"/>
+    </children>
+    <children xmi:type="notation:DecorationNode" xmi:id="_6QXWFQPVEeaXyaQL1WyV3A" type="7002">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_6QXWFgPVEeaXyaQL1WyV3A"/>
+    </children>
+    <children xmi:type="notation:DecorationNode" xmi:id="_6QXWFwPVEeaXyaQL1WyV3A" type="7003">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_6QXWGAPVEeaXyaQL1WyV3A" y="60"/>
+    </children>
+    <styles xmi:type="notation:FontStyle" xmi:id="_6QXWEQPVEeaXyaQL1WyV3A"/>
+    <element xmi:type="uml:Transition" href="simple-history-deep.uml#_6QLv4APVEeaXyaQL1WyV3A"/>
+    <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_6QXWEgPVEeaXyaQL1WyV3A" points="[8, 1, -60, 0]$[63, -10, -5, -11]"/>
+    <sourceAnchor xmi:type="notation:IdentityAnchor" xmi:id="_6Q1QIAPVEeaXyaQL1WyV3A" id="(1.0,0.55)"/>
+    <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_6Q1QIQPVEeaXyaQL1WyV3A" id="(0.0,0.13580246913580246)"/>
+  </edges>
+  <edges xmi:type="notation:Connector" xmi:id="_7AVacAPVEeaXyaQL1WyV3A" type="7000" source="_nsE7gAPVEeaXyaQL1WyV3A" target="_WTsTZQPVEeaXyaQL1WyV3A">
+    <children xmi:type="notation:DecorationNode" xmi:id="_7AVacwPVEeaXyaQL1WyV3A" type="7001">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_7AVadAPVEeaXyaQL1WyV3A"/>
+    </children>
+    <children xmi:type="notation:DecorationNode" xmi:id="_7AVadQPVEeaXyaQL1WyV3A" type="7002">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_7AVadgPVEeaXyaQL1WyV3A"/>
+    </children>
+    <children xmi:type="notation:DecorationNode" xmi:id="_7AVadwPVEeaXyaQL1WyV3A" type="7003">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_7AVaeAPVEeaXyaQL1WyV3A" y="60"/>
+    </children>
+    <styles xmi:type="notation:FontStyle" xmi:id="_7AVacQPVEeaXyaQL1WyV3A"/>
+    <element xmi:type="uml:Transition" href="simple-history-deep.uml#_7ALpcAPVEeaXyaQL1WyV3A"/>
+    <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_7AVacgPVEeaXyaQL1WyV3A" points="[8, 1, -79, 0]$[89, -10, 2, -11]"/>
+    <sourceAnchor xmi:type="notation:IdentityAnchor" xmi:id="_7AyGYAPVEeaXyaQL1WyV3A" id="(1.0,0.4)"/>
+    <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_7AyGYQPVEeaXyaQL1WyV3A" id="(0.0,0.1111111111111111)"/>
+  </edges>
+  <edges xmi:type="notation:Connector" xmi:id="_AOjLwAPWEeaXyaQL1WyV3A" type="7000" source="_LaacsAPVEeaXyaQL1WyV3A" target="_WTsTZQPVEeaXyaQL1WyV3A">
+    <children xmi:type="notation:DecorationNode" xmi:id="_AOjy0APWEeaXyaQL1WyV3A" type="7001">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_AOjy0QPWEeaXyaQL1WyV3A"/>
+    </children>
+    <children xmi:type="notation:DecorationNode" xmi:id="_AOjy0gPWEeaXyaQL1WyV3A" type="7002">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_AOjy0wPWEeaXyaQL1WyV3A" x="-132" y="-10"/>
+    </children>
+    <children xmi:type="notation:DecorationNode" xmi:id="_AOjy1APWEeaXyaQL1WyV3A" type="7003">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_AOjy1QPWEeaXyaQL1WyV3A" y="60"/>
+    </children>
+    <styles xmi:type="notation:FontStyle" xmi:id="_AOjLwQPWEeaXyaQL1WyV3A"/>
+    <element xmi:type="uml:Transition" href="simple-history-deep.uml#_AOXlkAPWEeaXyaQL1WyV3A"/>
+    <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_AOjLwgPWEeaXyaQL1WyV3A" points="[61, 20, -326, -109]$[380, 131, -7, 2]"/>
+    <sourceAnchor xmi:type="notation:IdentityAnchor" xmi:id="_APDiEAPWEeaXyaQL1WyV3A" id="(1.0,0.5429864253393665)"/>
+    <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_APDiEQPWEeaXyaQL1WyV3A" id="(0.0,0.6049382716049383)"/>
+  </edges>
+  <edges xmi:type="notation:Connector" xmi:id="_B9jEMAPWEeaXyaQL1WyV3A" type="7000" source="_WTsTZQPVEeaXyaQL1WyV3A" target="_Yq9swAPVEeaXyaQL1WyV3A">
+    <children xmi:type="notation:DecorationNode" xmi:id="_B9jEMwPWEeaXyaQL1WyV3A" type="7001">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_B9jENAPWEeaXyaQL1WyV3A"/>
+    </children>
+    <children xmi:type="notation:DecorationNode" xmi:id="_B9jENQPWEeaXyaQL1WyV3A" type="7002">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_B9jENgPWEeaXyaQL1WyV3A" x="-2" y="-15"/>
+    </children>
+    <children xmi:type="notation:DecorationNode" xmi:id="_B9jENwPWEeaXyaQL1WyV3A" type="7003">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_B9jEOAPWEeaXyaQL1WyV3A" y="60"/>
+    </children>
+    <styles xmi:type="notation:FontStyle" xmi:id="_B9jEMQPWEeaXyaQL1WyV3A"/>
+    <element xmi:type="uml:Transition" href="simple-history-deep.uml#_B9YsIAPWEeaXyaQL1WyV3A"/>
+    <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_B9jEMgPWEeaXyaQL1WyV3A" points="[61, 21, -51, -19]$[100, 39, -12, -1]"/>
+    <sourceAnchor xmi:type="notation:IdentityAnchor" xmi:id="_B-AXMAPWEeaXyaQL1WyV3A" id="(1.0,0.48148148148148145)"/>
+    <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_B-AXMQPWEeaXyaQL1WyV3A" id="(0.0,0.48148148148148145)"/>
+  </edges>
+  <edges xmi:type="notation:Connector" xmi:id="_D_AloAPWEeaXyaQL1WyV3A" type="7000" source="_Yq9swAPVEeaXyaQL1WyV3A" target="_LaacsAPVEeaXyaQL1WyV3A">
+    <children xmi:type="notation:DecorationNode" xmi:id="_D_AlowPWEeaXyaQL1WyV3A" type="7001">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_D_AlpAPWEeaXyaQL1WyV3A"/>
+    </children>
+    <children xmi:type="notation:DecorationNode" xmi:id="_D_AlpQPWEeaXyaQL1WyV3A" type="7002">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_D_AlpgPWEeaXyaQL1WyV3A" x="181" y="11"/>
+    </children>
+    <children xmi:type="notation:DecorationNode" xmi:id="_D_AlpwPWEeaXyaQL1WyV3A" type="7003">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_D_AlqAPWEeaXyaQL1WyV3A" y="60"/>
+    </children>
+    <styles xmi:type="notation:FontStyle" xmi:id="_D_AloQPWEeaXyaQL1WyV3A"/>
+    <element xmi:type="uml:Transition" href="simple-history-deep.uml#_D-0_cAPWEeaXyaQL1WyV3A"/>
+    <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_D_AlogPWEeaXyaQL1WyV3A" points="[-32, 2, 446, -41]$[-477, 78, 1, 35]"/>
+    <sourceAnchor xmi:type="notation:IdentityAnchor" xmi:id="_D_g78APWEeaXyaQL1WyV3A" id="(0.0,0.6611570247933884)"/>
+    <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_D_hjAAPWEeaXyaQL1WyV3A" id="(1.0,0.7239819004524887)"/>
+  </edges>
+  <edges xmi:type="notation:Connector" xmi:id="_KjHL0APWEeaXyaQL1WyV3A" type="7000" source="_LaacsAPVEeaXyaQL1WyV3A" target="_G3kuMAPWEeaXyaQL1WyV3A">
+    <children xmi:type="notation:DecorationNode" xmi:id="_KjHL0wPWEeaXyaQL1WyV3A" type="7001">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_KjHL1APWEeaXyaQL1WyV3A"/>
+    </children>
+    <children xmi:type="notation:DecorationNode" xmi:id="_KjHL1QPWEeaXyaQL1WyV3A" type="7002">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_KjHL1gPWEeaXyaQL1WyV3A" x="-33" y="-15"/>
+    </children>
+    <children xmi:type="notation:DecorationNode" xmi:id="_KjHy4APWEeaXyaQL1WyV3A" type="7003">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_KjHy4QPWEeaXyaQL1WyV3A" y="60"/>
+    </children>
+    <styles xmi:type="notation:FontStyle" xmi:id="_KjHL0QPWEeaXyaQL1WyV3A"/>
+    <element xmi:type="uml:Transition" href="simple-history-deep.uml#_KizCwAPWEeaXyaQL1WyV3A"/>
+    <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_KjHL0gPWEeaXyaQL1WyV3A" points="[38, 3, -129, -11]$[167, 14, 0, 0]"/>
+    <sourceAnchor xmi:type="notation:IdentityAnchor" xmi:id="_Kj4n4APWEeaXyaQL1WyV3A" id="(1.0,0.9230769230769231)"/>
+    <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_Kj52AAPWEeaXyaQL1WyV3A" id="(0.0,0.45)"/>
+  </edges>
+</notation:Diagram>
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-deep.uml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-deep.uml
new file mode 100644
index 00000000..2a949102
--- /dev/null
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-deep.uml
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<uml:Model xmi:version="20131001" xmlns:xmi="http://www.omg.org/spec/XMI/20131001" xmlns:uml="http://www.eclipse.org/uml2/5.0.0/UML" xmi:id="_FKAOkAPVEeaXyaQL1WyV3A" name="RootElement">
+  <packagedElement xmi:type="uml:StateMachine" xmi:id="_FKA1oAPVEeaXyaQL1WyV3A" name="StateMachine">
+    <region xmi:type="uml:Region" xmi:id="_FKBcsAPVEeaXyaQL1WyV3A" name="Region1">
+      <transition xmi:type="uml:Transition" xmi:id="_5hsSMAPVEeaXyaQL1WyV3A" source="_J15V8APVEeaXyaQL1WyV3A" target="_LaWyUAPVEeaXyaQL1WyV3A"/>
+      <transition xmi:type="uml:Transition" xmi:id="_AOXlkAPWEeaXyaQL1WyV3A" source="_LaWyUAPVEeaXyaQL1WyV3A" target="_WTsTZAPVEeaXyaQL1WyV3A">
+        <trigger xmi:type="uml:Trigger" xmi:id="_qLMz4APWEeaXyaQL1WyV3A" event="_erWFYAPWEeaXyaQL1WyV3A"/>
+      </transition>
+      <transition xmi:type="uml:Transition" xmi:id="_KizCwAPWEeaXyaQL1WyV3A" source="_LaWyUAPVEeaXyaQL1WyV3A" target="_G3X54APWEeaXyaQL1WyV3A">
+        <trigger xmi:type="uml:Trigger" xmi:id="_2rtHEAPWEeaXyaQL1WyV3A" event="_i6KPMAPWEeaXyaQL1WyV3A"/>
+      </transition>
+      <subvertex xmi:type="uml:Pseudostate" xmi:id="_J15V8APVEeaXyaQL1WyV3A"/>
+      <subvertex xmi:type="uml:State" xmi:id="_LaWyUAPVEeaXyaQL1WyV3A" name="S1"/>
+      <subvertex xmi:type="uml:State" xmi:id="_NBB1MAPVEeaXyaQL1WyV3A" name="S2">
+        <region xmi:type="uml:Region" xmi:id="_RY_T8APVEeaXyaQL1WyV3A" name="Region1">
+          <transition xmi:type="uml:Transition" xmi:id="_6QLv4APVEeaXyaQL1WyV3A" source="_jPfbcAPVEeaXyaQL1WyV3A" target="_RY_7BgPVEeaXyaQL1WyV3A"/>
+          <subvertex xmi:type="uml:State" xmi:id="_RY_7BgPVEeaXyaQL1WyV3A" name="S20"/>
+          <subvertex xmi:type="uml:State" xmi:id="_Tj5sUAPVEeaXyaQL1WyV3A" name="S21">
+            <region xmi:type="uml:Region" xmi:id="_WTrsUQPVEeaXyaQL1WyV3A" name="Region1">
+              <transition xmi:type="uml:Transition" xmi:id="_7ALpcAPVEeaXyaQL1WyV3A" source="_nr8_sAPVEeaXyaQL1WyV3A" target="_WTsTZAPVEeaXyaQL1WyV3A"/>
+              <transition xmi:type="uml:Transition" xmi:id="_B9YsIAPWEeaXyaQL1WyV3A" source="_WTsTZAPVEeaXyaQL1WyV3A" target="_Yq2YAAPVEeaXyaQL1WyV3A">
+                <trigger xmi:type="uml:Trigger" xmi:id="_vUisQAPWEeaXyaQL1WyV3A" event="_f-kAwAPWEeaXyaQL1WyV3A"/>
+              </transition>
+              <transition xmi:type="uml:Transition" xmi:id="_D-0_cAPWEeaXyaQL1WyV3A" source="_Yq2YAAPVEeaXyaQL1WyV3A" target="_LaWyUAPVEeaXyaQL1WyV3A">
+                <trigger xmi:type="uml:Trigger" xmi:id="_zNWw4APWEeaXyaQL1WyV3A" event="_hosnUAPWEeaXyaQL1WyV3A"/>
+              </transition>
+              <subvertex xmi:type="uml:State" xmi:id="_WTsTZAPVEeaXyaQL1WyV3A" name="S211"/>
+              <subvertex xmi:type="uml:State" xmi:id="_Yq2YAAPVEeaXyaQL1WyV3A" name="S212"/>
+              <subvertex xmi:type="uml:Pseudostate" xmi:id="_nr8_sAPVEeaXyaQL1WyV3A"/>
+            </region>
+          </subvertex>
+          <subvertex xmi:type="uml:Pseudostate" xmi:id="_jPfbcAPVEeaXyaQL1WyV3A"/>
+          <subvertex xmi:type="uml:Pseudostate" xmi:id="_G3X54APWEeaXyaQL1WyV3A" name="SH" kind="deepHistory"/>
+        </region>
+      </subvertex>
+    </region>
+  </packagedElement>
+  <packagedElement xmi:type="uml:Signal" xmi:id="_ZwnQwAPWEeaXyaQL1WyV3A" name="E1"/>
+  <packagedElement xmi:type="uml:Signal" xmi:id="_bEsHwAPWEeaXyaQL1WyV3A" name="E2"/>
+  <packagedElement xmi:type="uml:Signal" xmi:id="_cUp60APWEeaXyaQL1WyV3A" name="E3"/>
+  <packagedElement xmi:type="uml:Signal" xmi:id="_dVklQAPWEeaXyaQL1WyV3A" name="E4"/>
+  <packagedElement xmi:type="uml:SignalEvent" xmi:id="_erWFYAPWEeaXyaQL1WyV3A" name="SignalEventE1" signal="_ZwnQwAPWEeaXyaQL1WyV3A"/>
+  <packagedElement xmi:type="uml:SignalEvent" xmi:id="_f-kAwAPWEeaXyaQL1WyV3A" name="SignalEventE2" signal="_bEsHwAPWEeaXyaQL1WyV3A"/>
+  <packagedElement xmi:type="uml:SignalEvent" xmi:id="_hosnUAPWEeaXyaQL1WyV3A" name="SignalEventE3" signal="_cUp60APWEeaXyaQL1WyV3A"/>
+  <packagedElement xmi:type="uml:SignalEvent" xmi:id="_i6KPMAPWEeaXyaQL1WyV3A" name="SignalEventE4" signal="_dVklQAPWEeaXyaQL1WyV3A"/>
+</uml:Model>
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-shallow.di b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-shallow.di
new file mode 100644
index 00000000..bf9abab3
--- /dev/null
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-shallow.di
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xmi:XMI xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI"/>
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-shallow.notation b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-shallow.notation
new file mode 100644
index 00000000..b555137a
--- /dev/null
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-shallow.notation
@@ -0,0 +1,216 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<notation:Diagram xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" xmlns:notation="http://www.eclipse.org/gmf/runtime/1.0.2/notation" xmlns:style="http://www.eclipse.org/papyrus/infra/viewpoints/policy/style" xmlns:uml="http://www.eclipse.org/uml2/5.0.0/UML" xmi:id="_T1ONMAPSEeaXyaQL1WyV3A" type="PapyrusUMLStateMachineDiagram" name="StateMachine Diagram" measurementUnit="Pixel">
+  <children xmi:type="notation:Shape" xmi:id="_T1ONMQPSEeaXyaQL1WyV3A" type="2000">
+    <children xmi:type="notation:DecorationNode" xmi:id="_T1ONMgPSEeaXyaQL1WyV3A" type="2001">
+      <layoutConstraint xmi:type="notation:Bounds" xmi:id="_T1ONMwPSEeaXyaQL1WyV3A" width="700" height="23"/>
+    </children>
+    <children xmi:type="notation:DecorationNode" xmi:id="_T1ONNAPSEeaXyaQL1WyV3A" type="2002">
+      <children xmi:type="notation:Shape" xmi:id="_T1ONNQPSEeaXyaQL1WyV3A" type="3000">
+        <eAnnotations xmi:type="ecore:EAnnotation" xmi:id="_T1ONNgPSEeaXyaQL1WyV3A" source="RegionAnnotationKey">
+          <details xmi:type="ecore:EStringToStringMapEntry" xmi:id="_T1ONNwPSEeaXyaQL1WyV3A" key="RegionZoneKey" value=""/>
+        </eAnnotations>
+        <children xmi:type="notation:DecorationNode" xmi:id="_T1ONOAPSEeaXyaQL1WyV3A" type="3002">
+          <children xmi:type="notation:Shape" xmi:id="_e88IgAPSEeaXyaQL1WyV3A" type="6000">
+            <children xmi:type="notation:DecorationNode" xmi:id="_e88IggPSEeaXyaQL1WyV3A" type="6001">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_hF7Y0APTEeaXyaQL1WyV3A"/>
+            </children>
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+          <layoutConstraint xmi:type="notation:Bounds" xmi:id="_T1ONOQPSEeaXyaQL1WyV3A"/>
+        </children>
+        <element xmi:type="uml:Region" href="simple-history-shallow.uml#_T1NmIAPSEeaXyaQL1WyV3A"/>
+        <layoutConstraint xmi:type="notation:Bounds" xmi:id="_T1ONOgPSEeaXyaQL1WyV3A" width="700" height="287"/>
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+      <layoutConstraint xmi:type="notation:Bounds" xmi:id="_T1ONOwPSEeaXyaQL1WyV3A" y="23" width="700" height="287"/>
+    </children>
+    <element xmi:type="uml:StateMachine" href="simple-history-shallow.uml#_T1M_EAPSEeaXyaQL1WyV3A"/>
+    <layoutConstraint xmi:type="notation:Bounds" xmi:id="_T1ONPAPSEeaXyaQL1WyV3A" x="30" y="30" width="700" height="310"/>
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+    <styles xmi:type="notation:FontStyle" xmi:id="_JsAsEQPTEeaXyaQL1WyV3A"/>
+    <element xmi:type="uml:Transition" href="simple-history-shallow.uml#_Jr4JMAPTEeaXyaQL1WyV3A"/>
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+  </edges>
+</notation:Diagram>
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-shallow.uml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-shallow.uml
new file mode 100644
index 00000000..663ad2af
--- /dev/null
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-history-shallow.uml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<uml:Model xmi:version="20131001" xmlns:xmi="http://www.omg.org/spec/XMI/20131001" xmlns:uml="http://www.eclipse.org/uml2/5.0.0/UML" xmi:id="_T1LJ4APSEeaXyaQL1WyV3A" name="RootElement">
+  <packagedElement xmi:type="uml:StateMachine" xmi:id="_T1M_EAPSEeaXyaQL1WyV3A" name="StateMachine">
+    <region xmi:type="uml:Region" xmi:id="_T1NmIAPSEeaXyaQL1WyV3A" name="Region1">
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+      <transition xmi:type="uml:Transition" xmi:id="_vV1CgAPSEeaXyaQL1WyV3A" source="_e85FMAPSEeaXyaQL1WyV3A" target="_hkTzYAPSEeaXyaQL1WyV3A">
+        <trigger xmi:type="uml:Trigger" xmi:id="_fO2icAPTEeaXyaQL1WyV3A" event="_TnRbUAPTEeaXyaQL1WyV3A"/>
+      </transition>
+      <transition xmi:type="uml:Transition" xmi:id="_DEzHgAPTEeaXyaQL1WyV3A" source="_e85FMAPSEeaXyaQL1WyV3A" target="_9MnMIAPSEeaXyaQL1WyV3A">
+        <trigger xmi:type="uml:Trigger" xmi:id="_x7luYAPTEeaXyaQL1WyV3A" event="_aUT7EAPTEeaXyaQL1WyV3A"/>
+      </transition>
+      <transition xmi:type="uml:Transition" xmi:id="_Jr4JMAPTEeaXyaQL1WyV3A" source="_hkTzYAPSEeaXyaQL1WyV3A" target="_e85FMAPSEeaXyaQL1WyV3A">
+        <trigger xmi:type="uml:Trigger" xmi:id="_uX4XEAPTEeaXyaQL1WyV3A" event="_YBCQ4APTEeaXyaQL1WyV3A"/>
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+  <packagedElement xmi:type="uml:Signal" xmi:id="_NAAzcAPTEeaXyaQL1WyV3A" name="E2"/>
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