Examples of org.jspresso.framework.util.accessor.ICollectionAccessor

Package org.jspresso.framework.util.accessor

Examples of org.jspresso.framework.util.accessor.ICollectionAccessor

org.jspresso.framework.util.accessor.ICollectionAccessor
This interface is implemented by any bean value accessor on a collection property. @version $LastChangedRevision: 4321 $ @author Vincent Vandenschrick

              reversePropertyDescriptor.getName(),
              propertyDescriptor.getReferencedDescriptor()
                  .getElementDescriptor().getComponentContract()).setValue(
              value, proxy);
        } else if (reversePropertyDescriptor instanceof ICollectionPropertyDescriptor<?>) {
          ICollectionAccessor collectionAccessor = accessorFactory
              .createCollectionPropertyAccessor(
                  reversePropertyDescriptor.getName(),
                  propertyDescriptor.getReferencedDescriptor()
                      .getElementDescriptor().getComponentContract(),
                  ((ICollectionPropertyDescriptor<?>) reversePropertyDescriptor)
                      .getCollectionDescriptor().getElementDescriptor()
                      .getComponentContract());
          if (collectionAccessor instanceof IModelDescriptorAware) {
            ((IModelDescriptorAware) collectionAccessor)
                .setModelDescriptor(reversePropertyDescriptor);
          }
          collectionAccessor.addToValue(value, proxy);
        }
      }
      Collection<?> oldCollectionSnapshot = CollectionHelper
          .cloneCollection((Collection<?>) collectionProperty);
      boolean inserted = false;

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                reversePropertyDescriptor.getName(),
                propertyDescriptor.getReferencedDescriptor()
                    .getElementDescriptor().getComponentContract()).setValue(
                value, null);
          } else if (reversePropertyDescriptor instanceof ICollectionPropertyDescriptor<?>) {
            ICollectionAccessor collectionAccessor = accessorFactory
                .createCollectionPropertyAccessor(
                    reversePropertyDescriptor.getName(),
                    propertyDescriptor.getReferencedDescriptor()
                        .getElementDescriptor().getComponentContract(),
                    ((ICollectionPropertyDescriptor<?>) reversePropertyDescriptor)
                        .getCollectionDescriptor().getElementDescriptor()
                        .getComponentContract());
            if (collectionAccessor instanceof IModelDescriptorAware) {
              ((IModelDescriptorAware) collectionAccessor)
                  .setModelDescriptor(reversePropertyDescriptor);
            }
            collectionAccessor.removeFromValue(value, proxy);
          }
        }
        Collection<?> oldCollectionSnapshot = CollectionHelper
            .cloneCollection((Collection<?>) collectionProperty);
        if (collectionProperty.remove(value)) {

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              if (actualNewProperty != null) {
                reversePropertyAccessor.setValue(actualNewProperty, proxy);
              }
            } else if (reversePropertyDescriptor instanceof ICollectionPropertyDescriptor) {
              // It's a one-to-many relationship
              ICollectionAccessor reversePropertyAccessor = accessorFactory
                  .createCollectionPropertyAccessor(
                      reversePropertyDescriptor.getName(),
                      ((IReferencePropertyDescriptor<?>) propertyDescriptor)
                          .getReferencedDescriptor().getComponentContract(),
                      ((ICollectionPropertyDescriptor<?>) reversePropertyDescriptor)
                          .getCollectionDescriptor().getElementDescriptor()
                          .getComponentContract());
              if (reversePropertyAccessor instanceof IModelDescriptorAware) {
                ((IModelDescriptorAware) reversePropertyAccessor)
                    .setModelDescriptor(reversePropertyDescriptor);
              }
              if (oldProperty != null) {
                reversePropertyAccessor.removeFromValue(oldProperty, proxy);
              }
              if (actualNewProperty != null) {
                reversePropertyAccessor.addToValue(actualNewProperty, proxy);
              }
            }
          }
        } else if (propertyDescriptor instanceof ICollectionPropertyDescriptor) {
          // It's a 'many' relation end
          Collection<Object> oldPropertyElementsToRemove = new HashSet<Object>();
          Collection<Object> newPropertyElementsToAdd = new HashSet<Object>();
          Collection<Object> propertyElementsToKeep = new HashSet<Object>();


          if (oldProperty != null) {
            oldPropertyElementsToRemove.addAll((Collection<?>) oldProperty);
            propertyElementsToKeep.addAll((Collection<?>) oldProperty);
          }
          if (actualNewProperty != null) {
            newPropertyElementsToAdd.addAll((Collection<?>) actualNewProperty);
          }
          propertyElementsToKeep.retainAll(newPropertyElementsToAdd);
          oldPropertyElementsToRemove.removeAll(propertyElementsToKeep);
          newPropertyElementsToAdd.removeAll(propertyElementsToKeep);
          ICollectionAccessor propertyAccessor = accessorFactory
              .createCollectionPropertyAccessor(propertyDescriptor.getName(),
                  componentDescriptor.getComponentContract(),
                  ((ICollectionPropertyDescriptor<?>) propertyDescriptor)
                      .getCollectionDescriptor().getElementDescriptor()
                      .getComponentContract());
          for (Object element : oldPropertyElementsToRemove) {
            propertyAccessor.removeFromValue(proxy, element);
          }
          for (Object element : newPropertyElementsToAdd) {
            propertyAccessor.addToValue(proxy, element);
          }
          // if the property is a list we may restore the element order and be
          // careful not to miss one...
          if (actualNewProperty instanceof List) {
            Collection<Object> currentProperty = (Collection<Object>) oldProperty;

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Related Classes of org.jspresso.framework.util.accessor.ICollectionAccessor

org.jspresso.framework.model.component.basic.AbstractComponentInvocationHandler

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