io.ebeaninternal.server.persist.dmlbind.BindableAssocOne Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of ebean Show documentation

composite of common runtime dependencies for all platforms

There is a newer version: 15.10.0

package io.ebeaninternal.server.persist.dmlbind;

import io.ebean.bean.EntityBean;
import io.ebeaninternal.server.core.PersistRequestBean;
import io.ebeaninternal.server.deploy.BeanPropertyAssocOne;
import io.ebeaninternal.server.deploy.id.ImportedId;
import io.ebeaninternal.server.persist.dml.GenerateDmlRequest;

import java.sql.SQLException;
import java.util.List;

/**
 * Bindable for an ManyToOne or OneToOne associated bean.
 */
public class BindableAssocOne implements Bindable {

  private final BeanPropertyAssocOne assocOne;

  private final ImportedId importedId;

  public BindableAssocOne(BeanPropertyAssocOne assocOne) {
    this.assocOne = assocOne;
    this.importedId = assocOne.getImportedId();
  }

  public String toString() {
    return "BindableAssocOne " + assocOne;
  }

  @Override
  public boolean isDraftOnly() {
    return assocOne.isDraftOnly();
  }

  public void addToUpdate(PersistRequestBean request, List list) {
    if (request.isAddToUpdate(assocOne)) {
      list.add(this);
    }
  }

  public void dmlAppend(GenerateDmlRequest request) {
    importedId.dmlAppend(request);
  }

  public void dmlBind(BindableRequest request, EntityBean bean) throws SQLException {

    EntityBean assocBean = (EntityBean) assocOne.getValue(bean);
    Object boundValue = importedId.bind(request, assocBean);
    if (boundValue == null && assocBean != null) {
      // this is the scenario for a derived foreign key
      // which will require an additional update
      // register for post insert of assocBean
      // update of bean set importedId
      request.getPersistRequest().deferredRelationship(assocBean, importedId, bean);
    }
  }

}