Examples of org.hibernate.ogm.datastore.mongodb.impl.AssociationStorageStrategy

Package org.hibernate.ogm.datastore.mongodb.impl

Examples of org.hibernate.ogm.datastore.mongodb.impl.AssociationStorageStrategy

org.hibernate.ogm.datastore.mongodb.impl.AssociationStorageStrategy
Represents a strategy for storing associations in MongoDB. Provides an aggregated view on {@link AssociationKind} aswell as the {@link AssociationStorageType} and {@link AssociationDocumentType} options. @author Gunnar Morling

    }
  }


  @Override
  public Association getAssociation(AssociationKey key, AssociationContext associationContext) {
    AssociationStorageStrategy storageStrategy = getAssociationStorageStrategy( key, associationContext );


    // We need to execute the previous operations first or it won't be able to find the key that should have
    // been created
    executeBatch( associationContext.getOperationsQueue() );
    if ( storageStrategy.isEmbeddedInEntity() ) {
      DBObject entity = getObjectAsEmbeddedAssociation( key );
      if ( getAssociationFieldOrNull( key, entity ) != null ) {
        return new Association( new MongoDBAssociationSnapshot( entity, key, storageStrategy ) );
      }
      else {

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    return field;
  }


  @Override
  public Association createAssociation(AssociationKey key, AssociationContext associationContext) {
    AssociationStorageStrategy storageStrategy = getAssociationStorageStrategy( key, associationContext );


    if ( storageStrategy.isEmbeddedInEntity() ) {
      DBObject entity = getObjectAsEmbeddedAssociation( key );
      boolean insert = false;
      if ( entity == null ) {
        insert = true;
        entity = this.prepareIdObject( key.getEntityKey() );

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    DBCollection collection;
    DBObject query;
    MongoDBAssociationSnapshot assocSnapshot = (MongoDBAssociationSnapshot) association.getSnapshot();
    String associationField;


    AssociationStorageStrategy storageStrategy = getAssociationStorageStrategy( key, associationContext );


    // We need to execute the previous operations first or it won't be able to find the key that should have
    // been created
    executeBatch( associationContext.getOperationsQueue() );
    if ( storageStrategy.isEmbeddedInEntity() ) {
      collection = this.getCollection( key.getEntityKey() );
      query = this.prepareIdObject( key.getEntityKey() );
      associationField = key.getCollectionRole();
    }
    else {

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    }
  }


  @Override
  public void removeAssociation(AssociationKey key, AssociationContext associationContext) {
    AssociationStorageStrategy storageStrategy = getAssociationStorageStrategy( key, associationContext );


    if ( storageStrategy.isEmbeddedInEntity() ) {
      DBObject entity = this.prepareIdObject( key.getEntityKey() );
      if ( entity != null ) {
        BasicDBObject updater = new BasicDBObject();
        this.addSubQuery( "$unset", updater, key.getCollectionRole(), ONE );
        this.getCollection( key.getEntityKey() ).update( entity, updater, true, false );

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    }
  }


  @Override
  public boolean isStoredInEntityStructure(AssociationKey associationKey, AssociationContext associationContext) {
    AssociationStorageStrategy storageStrategy = getAssociationStorageStrategy( associationKey, associationContext );
    return storageStrategy.isEmbeddedInEntity();
  }

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Related Classes of org.hibernate.ogm.datastore.mongodb.impl.AssociationStorageStrategy

org.hibernate.ogm.datastore.mongodb.MongoDBDialect

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