io.ebeaninternal.server.persist.dmlbind.MatchedImportedEmbedded 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: 15.8.1

package io.ebeaninternal.server.persist.dmlbind;

import io.ebean.bean.EntityBean;
import io.ebeaninternal.server.deploy.BeanProperty;
import io.ebeaninternal.server.deploy.BeanPropertyAssocOne;

/**
 * Matches local embedded id properties to 'matching' properties from a
 * ManyToOne associated bean that is a 'imported primary key'.
 */
class MatchedImportedEmbedded implements MatchedImportedProperty {

  private final BeanProperty localProp;

  private final BeanPropertyAssocOne assocOne;

  private final BeanProperty foreignProp;

  MatchedImportedEmbedded(BeanProperty localProp, BeanPropertyAssocOne assocOne, BeanProperty foreignProp) {
    this.localProp = localProp;
    this.assocOne = assocOne;
    this.foreignProp = foreignProp;
  }

  @Override
  public void populate(EntityBean sourceBean, EntityBean embeddedId) {
    Object assocBean = assocOne.getValue(sourceBean);
    if (assocBean == null) {
      throw new NullPointerException("The assoc bean for " + assocOne + " is null?");
    }
    Object value = foreignProp.getValue((EntityBean) assocBean);
    localProp.setValue(embeddedId, value);
  }

}