#1183 - ENH: Add support for transaction profiling

src/main/java/io/ebeaninternal/server/deploy/BeanDescriptor.java

@@ -114,6 +114,8 @@ public class BeanDescriptor<T> implements MetaBeanInfo, BeanType<T> {
 
   private final Map<String, String> namedQuery;
 
+  private final short profileBeanId;
+
   public enum EntityType {
     ORM, EMBEDDED, VIEW, SQL, DOC
   }
@@ -406,7 +408,7 @@ public class BeanDescriptor<T> implements MetaBeanInfo, BeanType<T> {
     this.name = InternString.intern(deploy.getName());
     this.baseTableAlias = "t0";
     this.fullName = InternString.intern(deploy.getFullName());
-
+    this.profileBeanId = deploy.getProfileId();
     this.beanType = deploy.getBeanType();
     this.rootBeanType = PersistenceContextUtil.root(beanType);
     this.prototypeEntityBean = createPrototypeEntityBean(beanType);
@@ -528,6 +530,14 @@ public class BeanDescriptor<T> implements MetaBeanInfo, BeanType<T> {
     }
   }
 
+  /**
+   * Return the id used in profiling to identify the bean type.
+   */
+  @Override
+  public short getProfileId() {
+    return profileBeanId;
+  }
+
   /**
    * Derive an array of property positions for properties that are initialised in the constructor.
    * These properties need to be unloaded when populating beans for queries.

src/main/java/io/ebeaninternal/server/deploy/BeanDescriptorManager.java

@@ -79,6 +79,7 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.stream.Collectors;
 
 /**
  * Creates BeanDescriptors.
@@ -325,6 +326,7 @@ public class BeanDescriptorManager implements BeanDescriptorMap {
       readEntityBeanTable();
       readEntityDeploymentAssociations();
       readInheritedIdGenerators();
+      setProfileIds();
       // creates the BeanDescriptors
       readEntityRelationships();
 
@@ -727,6 +729,23 @@ public class BeanDescriptorManager implements BeanDescriptorMap {
     }
   }
 
+  /**
+   * Set profileIds based on descriptor full name order.
+   */
+  private void setProfileIds() {
+
+    List<? extends DeployBeanDescriptor<?>> deployDescriptors = deployInfoMap.values().stream()
+      .map(DeployBeanInfo::getDescriptor)
+      .collect(Collectors.toList());
+
+    deployDescriptors.sort(Comparator.comparing(DeployBeanDescriptor::getFullName));
+
+    short id = 0;
+    for (DeployBeanDescriptor<?> desc : deployDescriptors) {
+      desc.setProfileId(++id);
+    }
+  }
+
   /**
    * Create the BeanTable from the deployment information gathered so far.
    */
@@ -1044,7 +1063,7 @@ public class BeanDescriptorManager implements BeanDescriptorMap {
         prop.setUnidirectional();
         return;
       }
-      
+
       if (!findMappedBy(prop)) {
         makeUnidirectional(info, prop);
         return;

src/main/java/io/ebeaninternal/server/deploy/meta/DeployBeanDescriptor.java

@@ -204,6 +204,8 @@ public class DeployBeanDescriptor<T> {
 
   private List<DeployBeanProperty> idProperties;
 
+  private short profileId;
+
   /**
    * Construct the BeanDescriptor.
    */
@@ -620,6 +622,20 @@ public class DeployBeanDescriptor<T> {
     setBaseTable(new TableName(viewName), "", "");
   }
 
+  /**
+   * Set the profileId to identity this bean type.
+   */
+  public void setProfileId(short profileId) {
+    this.profileId = profileId;
+  }
+
+  /**
+   * Return the profileId to identify this bean type.
+   */
+  public short getProfileId() {
+    return profileId;
+  }
+
   /**
    * Set the base table. Only properties mapped to the base table are by default persisted.
    */