Package org.eclipse.graphiti.internal.services.impl

Class LinkServiceImpl

java.lang.Object
org.eclipse.graphiti.internal.services.impl.LinkServiceImpl
All Implemented Interfaces:
ILinkService
public final class LinkServiceImpl extends Object implements ILinkService

  • Constructor Details

    • LinkServiceImpl

      public LinkServiceImpl()

  • Method Details

    • getAllBusinessObjectsForLinkedPictogramElement

      public org.eclipse.emf.ecore.EObject[] getAllBusinessObjectsForLinkedPictogramElement(PictogramElement pictogramElement)
      Returns all business objects which are linked to the given pictogram element.
      Specified by:
      getAllBusinessObjectsForLinkedPictogramElement in interface ILinkService
      Parameters:
      pictogramElement - The pictogram element for which to return the business objects.
      Returns:
      The business objects which are linked to the given pictogram element. Can be empty but not null.

    • getBusinessObjectForLinkedPictogramElement

      public org.eclipse.emf.ecore.EObject getBusinessObjectForLinkedPictogramElement(PictogramElement pictogramElement)
      Returns the first of possibly several business objects which are linked to the given pictogram element. This is a convenience method for #getAllBusinessObjectsForPictogramElement(PictogramElement), because in many use cases only a single business object is linked.
      Specified by:
      getBusinessObjectForLinkedPictogramElement in interface ILinkService
      Parameters:
      pictogramElement - The pictogram element for which to return the business objects.
      Returns:
      The first of possibly several business objects which are linked to the given pictogram element. Can be null.

    • getLinkForPictogramElement

      public PictogramLink getLinkForPictogramElement(PictogramElement pictogramElement)
      Returns the pictogram link referencing the given pictogram element.
      Specified by:
      getLinkForPictogramElement in interface ILinkService
      Parameters:
      pictogramElement - the pictogram element
      Returns:
      the pictogram link referencing the given pictogram element

    • getPictogramElements

      public List<PictogramElement> getPictogramElements(Diagram diagram, org.eclipse.emf.ecore.EObject eObject)
      get all pictogram elements which references the given eObject.
      Specified by:
      getPictogramElements in interface ILinkService
      Parameters:
      eObject - the ref object
      diagram - the diagram
      Returns:
      the pictogram elements

    • getPictogramElements

      public List<PictogramElement> getPictogramElements(Diagram diagram, List<org.eclipse.emf.ecore.EObject> eObjects, boolean onlyActive)
      Gets the pictogram elements.
      Specified by:
      getPictogramElements in interface ILinkService
      Parameters:
      diagram - the diagram
      eObjects - business objects
      onlyActive - if true, then only active pictogram elements of the diagram will be considered; if false all pictogram elements will be considered
      Returns:
      all (active) pictogram elements in the diagram, which have at least one reference to one of the business objects

    • hasLinkProperty

      public boolean hasLinkProperty(PictogramElement pictogramElement, String propertyValue)
      Checks existence and value of the link property to a given pictogram element. It is intended to use this property to be able to distinguish multiple pictogram elements linked to same domain model object.
      Specified by:
      hasLinkProperty in interface ILinkService
      Parameters:
      pictogramElement - the pictogram element
      propertyValue - the value to check against the property
      Returns:
      true if link property exists and has the given value; false if not

    • setLinkProperty

      public void setLinkProperty(PictogramElement pictogramElement, String propertyValue)
      Adds or modifies the link property to a given pictogram element. It is intended to use this property to be able to distinguish multiple pictogram elements linked to same domain model object.
      Specified by:
      setLinkProperty in interface ILinkService
      Parameters:
      pictogramElement - the pictogram element
      propertyValue - the new value for the link property

    • getLinkProperty

      public Property getLinkProperty(PictogramElement pictogramElement)
      Gets the link property to a given pictogram element.
      Specified by:
      getLinkProperty in interface ILinkService
      Parameters:
      pictogramElement - the pictogram element
      Returns:
      the link property