package org.apache.onami.persist;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  import com.google.inject.Key;
  import com.google.inject.TypeLiteral;
  
  import javax.inject.Provider;
  import javax.persistence.EntityManagerFactory;
  import javax.transaction.UserTransaction;
  import java.lang.annotation.Annotation;
  import java.util.Properties;
  
  /**
   * Class holding the configuration for a single persistence unit.
   */
  class PersistenceUnitModuleConfiguration
      implements UnannotatedPersistenceUnitBuilder, AnnotatedPersistenceUnitBuilder, UnconfiguredPersistenceUnitBuilder
  {
  
      private Class<? extends Annotation> annotation;
  
      private boolean isJta = false;
  
      private UserTransaction userTransaction;
  
      private String utJndiName;
  
      private Provider<UserTransaction> utProvider;
  
      private Key<? extends Provider<UserTransaction>> utProviderKey;
  
      private Properties properties;
  
      private String puName;
  
      private EntityManagerFactory emf;
  
      private String emfJndiName;
  
      private Provider<EntityManagerFactory> emfProvider;
  
      private Key<? extends Provider<EntityManagerFactory>> emfProviderKey;
  
      /**
       * {@inheritDoc}
       */
      public AnnotatedPersistenceUnitBuilder annotatedWith( Class<? extends Annotation> annotation )
      {
          this.annotation = annotation;
          return this;
      }
  
      /**
       * {@inheritDoc}
       */
      public UnconfiguredPersistenceUnitBuilder useLocalTransaction()
      {
          isJta = false;
          return this;
      }
  
      /**
       * {@inheritDoc}
       */
      public UnconfiguredPersistenceUnitBuilder useGlobalTransaction( UserTransaction userTransaction )
      {
          this.isJta = true;
          this.userTransaction = userTransaction;
          return this;
      }
  
      /**
       * {@inheritDoc}
       */
      public UnconfiguredPersistenceUnitBuilder useGlobalTransactionWithJndiName( String utJndiName )
      {
          this.isJta = true;
          this.utJndiName = utJndiName;
          return this;
      }
  
     /**
      * {@inheritDoc}
      */
     public UnconfiguredPersistenceUnitBuilder useGlobalTransactionProvidedBy( Provider<UserTransaction> utProvider )
     {
         this.isJta = true;
         this.utProvider = utProvider;
         return this;
     }
 
     /**
      * {@inheritDoc}
      */
     public UnconfiguredPersistenceUnitBuilder useGlobalTransactionProvidedBy(
         Class<? extends Provider<UserTransaction>> utProviderClass )
     {
         return useGlobalTransactionProvidedBy( Key.get( utProviderClass ) );
     }
 
     /**
      * {@inheritDoc}
      */
     public UnconfiguredPersistenceUnitBuilder useGlobalTransactionProvidedBy(
         TypeLiteral<? extends Provider<UserTransaction>> utProviderType )
     {
         return useGlobalTransactionProvidedBy( Key.get( utProviderType ) );
     }
 
     /**
      * {@inheritDoc}
      */
     public UnconfiguredPersistenceUnitBuilder useGlobalTransactionProvidedBy(
         Key<? extends Provider<UserTransaction>> utProviderKey )
     {
         this.isJta = true;
         this.utProviderKey = utProviderKey;
         return this;
     }
 
     /**
      * {@inheritDoc}
      */
     public void setProperties( Properties properties )
     {
         this.properties = properties;
     }
 
     void setPuName( String puName )
     {
         this.puName = puName;
     }
 
     void setEmf( EntityManagerFactory emf )
     {
         this.emf = emf;
     }
 
     void setEmfJndiName( String emfJndiName )
     {
         this.emfJndiName = emfJndiName;
     }
 
     void setEmfProvider( Provider<EntityManagerFactory> emfProvider )
     {
         this.emfProvider = emfProvider;
     }
 
     void setEmfProviderClass( Class<? extends Provider<EntityManagerFactory>> emfProviderClass )
     {
         this.emfProviderKey = Key.get( emfProviderClass );
     }
 
     void setEmfProviderType( TypeLiteral<? extends Provider<EntityManagerFactory>> emfProviderType )
     {
         this.emfProviderKey = Key.get( emfProviderType );
     }
 
     void setEmfProviderKey( Key<? extends Provider<EntityManagerFactory>> emfProviderKey )
     {
         this.emfProviderKey = emfProviderKey;
     }
 
     boolean isApplicationManagedPersistenceUnit()
     {
         return puName != null;
     }
 
 
     UserTransaction getUserTransaction()
     {
         return userTransaction;
     }
 
     String getUtJndiName()
     {
         return utJndiName;
     }
 
     Provider<UserTransaction> getUtProvider()
     {
         return utProvider;
     }
 
     Key<? extends Provider<UserTransaction>> getUtProviderKey()
     {
         return utProviderKey;
     }
 
     Properties getProperties()
     {
         return properties;
     }
 
     String getPuName()
     {
         return puName;
     }
 
     EntityManagerFactory getEmf()
     {
         return emf;
     }
 
     String getEmfJndiName()
     {
         return emfJndiName;
     }
 
     Provider<EntityManagerFactory> getEmfProvider()
     {
         return emfProvider;
     }
 
     Key<? extends Provider<EntityManagerFactory>> getEmfProviderKey()
     {
         return emfProviderKey;
     }
 
     boolean isEmfProvidedByJndiLookup()
     {
         return emfJndiName != null;
     }
 
     boolean isEmfProvidedByInstance()
     {
         return emf != null;
     }
 
     boolean isEmfProvidedByProvider()
     {
         return emfProvider != null;
     }
 
     boolean isEmfProvidedByProviderKey()
     {
         return emfProviderKey != null;
     }
 
     boolean isJta()
     {
         return isJta;
     }
 
     boolean isUserTransactionProvidedByJndiLookup()
     {
         return utJndiName != null;
     }
 
 
     boolean isUserTransactionProvidedByInstance()
     {
         return userTransaction != null;
     }
 
     boolean isUserTransactionProvidedByProvider()
     {
         return utProvider != null;
     }
 
     boolean isUserTransactionProvidedByProviderKey()
     {
         return utProviderKey != null;
     }
 
     boolean isAnnotated()
     {
         return annotation != null;
     }
 
     AnnotationHolder getAnnotationHolder()
     {
         return new AnnotationHolder( annotation );
     }
 
     Class<? extends Annotation> getAnnotation()
     {
         return annotation;
     }
 
 }