Fix for #149 - OneToMany with nested ManyToMany deletion bug

src/test/java/com/avaje/tests/model/m2m/Permission.java

@@ -0,0 +1,60 @@
+package com.avaje.tests.model.m2m;
+
+import java.util.Set;
+import java.util.UUID;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.ManyToMany;
+import javax.persistence.Table;
+
+import com.avaje.ebean.annotation.CacheStrategy;
+
+/**
+ * The Class Permission.
+ */
+@Entity
+@CacheStrategy(readOnly = true)
+@Table(name = "mt_permission")
+public class Permission {
+
+   @Id
+   private UUID id;
+
+   @Column
+   private String name;
+
+   @ManyToMany(mappedBy = "permissions")
+   private Set<Role> roles;
+
+   public UUID getId() {
+      return id;
+   }
+
+   public void setId(UUID id) {
+      this.id = id;
+   }
+
+   public String getName() {
+      return name;
+   }
+
+   public void setName(String name) {
+      this.name = name;
+   }
+
+   public Set<Role> getRoles() {
+      return roles;
+   }
+
+   public void setRoles(Set<Role> roles) {
+      this.roles = roles;
+   }
+
+   @Override
+   public String toString() {
+    return "name:" + name + "id:" + id;
+   }
+
+}

src/test/java/com/avaje/tests/model/m2m/Role.java

@@ -0,0 +1,81 @@
+package com.avaje.tests.model.m2m;
+
+import java.util.Set;
+import java.util.UUID;
+
+import javax.persistence.CascadeType;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.ManyToMany;
+import javax.persistence.ManyToOne;
+import javax.persistence.Table;
+import javax.persistence.Version;
+
+/**
+ * The Class Role.
+ */
+@Entity
+@Table(name = "mt_role")
+public class Role {
+
+  @Id
+  private UUID id;
+
+  @Column(length = 50)
+  private String name;
+
+  @ManyToMany(cascade = CascadeType.REMOVE)
+  private Set<Permission> permissions;
+
+  @ManyToOne
+  private Tenant tenant;
+
+  @Version
+  private Long version;
+
+  public UUID getId() {
+    return id;
+  }
+
+  public void setId(UUID id) {
+    this.id = id;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+  public Set<Permission> getPermissions() {
+    return permissions;
+  }
+
+  public void setPermissions(Set<Permission> permissions) {
+    this.permissions = permissions;
+  }
+
+  public Long getVersion() {
+    return version;
+  }
+
+  public void setVersion(Long version) {
+    this.version = version;
+  }
+
+  public Tenant getTenant() {
+    return tenant;
+  }
+
+  public void setTenant(Tenant tenant) {
+    this.tenant = tenant;
+  }
+
+  @Override
+  public String toString() {
+    return "name:" + name + " id:" + id + " tenant:" + tenant;
+  }
+}

src/test/java/com/avaje/tests/model/m2m/Tenant.java

@@ -0,0 +1,72 @@
+package com.avaje.tests.model.m2m;
+
+import java.util.Set;
+import java.util.UUID;
+
+import javax.persistence.CascadeType;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.OneToMany;
+import javax.persistence.Table;
+import javax.persistence.Version;
+
+/**
+ * The Class Tenant.
+ */
+@Entity
+@Table(name = "mt_tenant")
+public class Tenant {
+
+  @Id
+  private UUID id;
+
+  @Column
+  private String name;
+
+  @OneToMany(mappedBy = "tenant", cascade = CascadeType.REMOVE)
+  private Set<Role> roles;
+
+  @Version
+  private Long version;
+
+  public Tenant() {
+  }
+
+  public UUID getId() {
+    return id;
+  }
+
+  public void setId(UUID id) {
+    this.id = id;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+  public Long getVersion() {
+    return version;
+  }
+
+  public void setVersion(Long version) {
+    this.version = version;
+  }
+
+  public Set<Role> getRoles() {
+    return roles;
+  }
+
+  public void setRoles(Set<Role> roles) {
+    this.roles = roles;
+  }
+
+  @Override
+  public String toString() {
+    return "name:" + name + " id:" + id;
+  }
+}