Пример #1
0
  private void initRelationships(final EjbModule jar, final Map<String, EnterpriseBeanInfo> infos)
      throws OpenEJBException {
    for (final EjbRelation ejbRelation : jar.getEjbJar().getRelationships().getEjbRelation()) {
      final Iterator<EjbRelationshipRole> iterator =
          ejbRelation.getEjbRelationshipRole().iterator();
      final EjbRelationshipRole left = iterator.next();
      final EjbRelationshipRole right = iterator.next();

      // left role info
      final CmrFieldInfo leftCmrFieldInfo = initRelationshipRole(left, right, infos);
      final CmrFieldInfo rightCmrFieldInfo = initRelationshipRole(right, left, infos);
      leftCmrFieldInfo.mappedBy = rightCmrFieldInfo;
      rightCmrFieldInfo.mappedBy = leftCmrFieldInfo;
    }
  }
Пример #2
0
  private CmrFieldInfo initRelationshipRole(
      final EjbRelationshipRole role,
      final EjbRelationshipRole relatedRole,
      final Map<String, EnterpriseBeanInfo> infos)
      throws OpenEJBException {
    final CmrFieldInfo cmrFieldInfo = new CmrFieldInfo();

    // find the entityBeanInfo info for this role
    final String ejbName = role.getRelationshipRoleSource().getEjbName();
    final EnterpriseBeanInfo enterpriseBeanInfo = infos.get(ejbName);
    if (enterpriseBeanInfo == null) {
      throw new OpenEJBException("Relation role source ejb not found " + ejbName);
    }
    if (!(enterpriseBeanInfo instanceof EntityBeanInfo)) {
      throw new OpenEJBException("Relation role source ejb is not an entity bean " + ejbName);
    }
    final EntityBeanInfo entityBeanInfo = (EntityBeanInfo) enterpriseBeanInfo;
    cmrFieldInfo.roleSource = entityBeanInfo;

    // RoleName: this may be null
    cmrFieldInfo.roleName = role.getEjbRelationshipRoleName();

    cmrFieldInfo.synthetic = role.getCmrField() == null;

    // CmrFieldName: is null for uni-directional relationships
    if (role.getCmrField() != null) {
      cmrFieldInfo.fieldName = role.getCmrField().getCmrFieldName();
      // CollectionType: java.util.Collection or java.util.Set
      if (role.getCmrField().getCmrFieldType() != null) {
        cmrFieldInfo.fieldType = role.getCmrField().getCmrFieldType().toString();
      }

      if (cmrFieldInfo.fieldType == null && relatedRole.getMultiplicity() == Multiplicity.MANY) {
        cmrFieldInfo.fieldType = Collection.class.getName();
      }
    } else {
      final String relatedEjbName = relatedRole.getRelationshipRoleSource().getEjbName();
      final EnterpriseBeanInfo relatedEjb = infos.get(relatedEjbName);
      if (relatedEjb == null) {
        throw new OpenEJBException("Relation role source ejb not found " + relatedEjbName);
      }
      if (!(relatedEjb instanceof EntityBeanInfo)) {
        throw new OpenEJBException(
            "Relation role source ejb is not an entity bean " + relatedEjbName);
      }
      final EntityBeanInfo relatedEntity = (EntityBeanInfo) relatedEjb;

      relatedRole.getRelationshipRoleSource();
      cmrFieldInfo.fieldName =
          relatedEntity.abstractSchemaName + "_" + relatedRole.getCmrField().getCmrFieldName();
      if (relatedRole.getMultiplicity() == Multiplicity.MANY) {
        cmrFieldInfo.fieldType = Collection.class.getName();
      }
    }

    // CascadeDelete
    cmrFieldInfo.cascadeDelete = role.getCascadeDelete();
    // Multiplicity: one or many
    cmrFieldInfo.many = role.getMultiplicity() == Multiplicity.MANY;

    // add the field to the entityBean
    entityBeanInfo.cmrFields.add(cmrFieldInfo);

    return cmrFieldInfo;
  }