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  package org.apache.cayenne.reflect;
  
  /**
   * A convenience base superclass for {@link ToOneProperty} implementors.
   * 
   * @since 3.0
   */
  public abstract class BaseToOneProperty extends BaseArcProperty implements ToOneProperty {
  
      public BaseToOneProperty(ClassDescriptor owner, ClassDescriptor targetDescriptor,
              Accessor accessor, String reverseName) {
          super(owner, targetDescriptor, accessor, reverseName);
      }
  
      public void setTarget(Object source, Object target, boolean setReverse) {
          Object oldTarget = readProperty(source);
          if (oldTarget == target) {
              return;
          }
  
          // TODO, Andrus, 2/9/2006 - GenericPersistentObject also invokes "willConnect" and has a
          // callback to ObjectStore to handle flattened....
  
          if (setReverse) {
              setReverse(source, oldTarget, target);
          }
  
          writeProperty(source, oldTarget, target);
      }
  
      @Override
      public boolean visit(PropertyVisitor visitor) {
          return visitor.visitToOne(this);
      }
  }
  