Fix for #77 - NPE when lazy loading on a OneToMany that is not a leaf

src/test/java/com/avaje/tests/model/inheritmany/IMRelated.java

@@ -0,0 +1,42 @@
+package com.avaje.tests.model.inheritmany;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.ManyToOne;
+
+@Entity
+public class IMRelated {
+
+  @Id
+  Long id;
+  
+  String name;
+  
+  @ManyToOne(optional=false)
+  IMRoot owner;
+
+  public Long getId() {
+    return id;
+  }
+
+  public void setId(Long id) {
+    this.id = id;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+  public IMRoot getOwner() {
+    return owner;
+  }
+
+  public void setOwner(IMRoot owner) {
+    this.owner = owner;
+  }
+
+}

src/test/java/com/avaje/tests/model/inheritmany/IMRoot.java

@@ -0,0 +1,37 @@
+package com.avaje.tests.model.inheritmany;
+
+import java.util.List;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Inheritance;
+import javax.persistence.InheritanceType;
+import javax.persistence.OneToMany;
+
+@Entity
+@Inheritance(strategy = InheritanceType.SINGLE_TABLE)
+public class IMRoot {
+
+  @Id
+  Long id;
+  
+  @OneToMany(mappedBy="owner")
+  List<IMRelated> related;
+
+  public Long getId() {
+    return id;
+  }
+
+  public void setId(Long id) {
+    this.id = id;
+  }
+
+  public List<IMRelated> getRelated() {
+    return related;
+  }
+
+  public void setRelated(List<IMRelated> related) {
+    this.related = related;
+  }
+  
+}

src/test/java/com/avaje/tests/model/inheritmany/IMRootOne.java

@@ -0,0 +1,20 @@
+package com.avaje.tests.model.inheritmany;
+
+import javax.persistence.DiscriminatorValue;
+import javax.persistence.Entity;
+
+@Entity
+@DiscriminatorValue("ONE")
+public class IMRootOne extends IMRoot {
+
+  String name;
+
+  public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+  
+}

src/test/java/com/avaje/tests/model/inheritmany/IMRootTwo.java

@@ -0,0 +1,32 @@
+package com.avaje.tests.model.inheritmany;
+
+import java.util.Date;
+
+import javax.persistence.DiscriminatorValue;
+import javax.persistence.Entity;
+
+@Entity
+@DiscriminatorValue("TWO")
+public class IMRootTwo extends IMRoot {
+
+  String title;
+
+  Date whenTitle;
+  
+  public String getTitle() {
+    return title;
+  }
+
+  public void setTitle(String title) {
+    this.title = title;
+  }
+
+  public Date getWhenTitle() {
+    return whenTitle;
+  }
+
+  public void setWhenTitle(Date whenTitle) {
+    this.whenTitle = whenTitle;
+  }
+  
+}