コード例 #1
0
    public static void writeContents(
        Database database,
        BootstrapPackage pkg,
        Set<ObjectType> additionalTypes,
        Writer writer,
        String projectName)
        throws IOException {
      boolean first = true;
      boolean needsObjectTypeMap = false;
      Set<ObjectType> typeMaps = new HashSet<ObjectType>();
      ObjectType objType = database.getEnvironment().getTypeByClass(ObjectType.class);
      Set<ObjectType> exportTypes = new HashSet<ObjectType>();
      Query<?> query = Query.fromAll().using(database);
      Set<ObjectType> allTypeMappableTypes = new HashSet<ObjectType>();
      Set<UUID> concreteTypeIds = new HashSet<UUID>();

      for (ObjectType type : database.getEnvironment().getTypes()) {
        if (!type.as(TypeData.class).getTypeMappableGroups().isEmpty()
            && type.as(TypeData.class).getTypeMappableUniqueKey() != null) {
          allTypeMappableTypes.add(type);
        }
      }

      // Package:
      writer.write(PACKAGE_NAME_HEADER + ": ");
      writer.write(pkg.getName());
      writer.write('\n');
      // Project:
      writer.write(PROJECT_HEADER + ": ");
      writer.write(projectName);
      writer.write('\n');
      // Date:
      writer.write(DATE_HEADER + ": ");
      writer.write(new DateTime().toString("yyyy-MM-dd HH:mm:ss z"));
      writer.write('\n');

      // Types:
      writer.write(TYPES_HEADER + ": ");
      if (pkg.isInit()) {
        writer.write(ALL_TYPES_HEADER_VALUE);
        writer.write('\n');
      } else {
        exportTypes.addAll(getAllTypes(database, pkg));
        exportTypes.addAll(getAllTypes(database, additionalTypes));
        for (ObjectType typeMappableType : allTypeMappableTypes) {
          GETTYPEMAPPABLETYPE:
          for (ObjectType type : exportTypes) {
            for (String group : typeMappableType.as(TypeData.class).getTypeMappableGroups()) {
              if (type.getGroups().contains(group)) {
                typeMaps.add(typeMappableType);
                break GETTYPEMAPPABLETYPE;
              }
            }
          }
        }
        GETOBJECTTYPE:
        for (ObjectType type : exportTypes) {
          for (ObjectField field : type.getFields()) {
            if (field.getTypes().contains(objType)) {
              needsObjectTypeMap = true;
              break GETOBJECTTYPE;
            }
          }
        }

        for (ObjectType exportType : exportTypes) {
          String clsName = exportType.getObjectClassName();
          if (!ObjectUtils.isBlank(clsName)) {
            for (ObjectType concreteType : database.getEnvironment().getTypesByGroup(clsName)) {
              if (!concreteType.isAbstract()) {
                concreteTypeIds.add(concreteType.getId());
              }
            }
          }
        }

        if (exportTypes.contains(objType)) {
          if (!first) {
            writer.write(',');
          } else {
            first = false;
          }
          writer.write(objType.getInternalName());
        }
        for (ObjectType type : exportTypes) {
          if (type.equals(objType)) {
            continue;
          }
          if (!first) {
            writer.write(',');
          } else {
            first = false;
          }
          writer.write(type.getInternalName());
        }
        writer.write('\n');
      }

      // Determine if there are any fields that need references followed
      Map<UUID, Map<String, ObjectType>> followReferences =
          new HashMap<UUID, Map<String, ObjectType>>();
      if (!pkg.isInit()) {
        for (ObjectType type : exportTypes) {
          for (String fieldName : type.as(TypeData.class).getFollowReferencesFields()) {
            ObjectField field = type.getField(fieldName);
            if (field != null) {
              for (ObjectType fieldType : field.getTypes()) {
                if (!exportTypes.contains(fieldType)) {
                  if (!followReferences.containsKey(type.getId())) {
                    followReferences.put(type.getId(), new HashMap<String, ObjectType>());
                  }
                  followReferences.get(type.getId()).put(fieldName, fieldType);
                }
              }
            }
          }
        }
      }

      if (!typeMaps.isEmpty()) {
        for (ObjectType typeMapType : typeMaps) {
          String clsName = typeMapType.getObjectClassName();
          if (!ObjectUtils.isBlank(clsName)) {
            for (ObjectType type : database.getEnvironment().getTypesByGroup(clsName)) {
              concreteTypeIds.remove(type.getId());
            }
          }
        }
      }

      // Mapping Types:
      if (pkg.isInit() || needsObjectTypeMap || !typeMaps.isEmpty()) {
        first = true;
        writer.write(TYPE_MAP_HEADER + ": ");
        if (pkg.isInit() || needsObjectTypeMap) {
          writer.write(objType.getInternalName());
          writer.write("/internalName");
          first = false;
        }
        for (ObjectType typeMapType : typeMaps) {
          if (!first) {
            writer.write(',');
          } else {
            first = false;
          }
          writer.write(typeMapType.getInternalName());
          writer.write('/');
          writer.write(typeMapType.as(TypeData.class).getTypeMappableUniqueKey());
        }
        writer.write('\n');
      }

      // Row Count:
      Long count = 0L;
      try {
        if (concreteTypeIds.isEmpty()) {
          count = Query.fromAll().using(database).noCache().count();
        } else {
          for (UUID concreteTypeId : concreteTypeIds) {
            long concreteCount =
                Query.fromAll()
                    .using(database)
                    .noCache()
                    .where("_type = ?", concreteTypeId)
                    .count();
            count = count + concreteCount;
          }
          if (needsObjectTypeMap) {
            long objectCount =
                Query.fromAll().using(database).noCache().where("_type = ?", objType).count();
            count = count + objectCount;
          }
          if (!typeMaps.isEmpty()) {
            for (ObjectType typeMapType : typeMaps) {
              long typeMapCount =
                  Query.fromAll().using(database).noCache().where("_type = ?", typeMapType).count();
              count = count + typeMapCount;
            }
          }
        }
        writer.write(ROW_COUNT_HEADER + ": ");
        writer.write(ObjectUtils.to(String.class, count));
        writer.write('\n');
      } catch (RuntimeException e) {
        // Count query timed out. Just don't write the row count header.
        count = null;
      }

      // blank line between headers and data
      writer.write('\n');
      writer.flush();

      // ObjectType records first
      if (exportTypes.isEmpty() || exportTypes.contains(objType) || needsObjectTypeMap) {
        for (Object r :
            Query.fromType(objType)
                .using(database)
                .noCache()
                .resolveToReferenceOnly()
                .iterable(100)) {
          writer.write(ObjectUtils.toJson(((Recordable) r).getState().getSimpleValues(true)));
          writer.write('\n');
        }
      }

      // Then other mapping types
      for (ObjectType typeMapType : typeMaps) {
        for (Object r :
            Query.fromType(typeMapType)
                .using(database)
                .noCache()
                .resolveToReferenceOnly()
                .iterable(100)) {
          writer.write(ObjectUtils.toJson(((Recordable) r).getState().getSimpleValues(true)));
          writer.write('\n');
        }
      }

      // Then everything else
      if (pkg.isInit()) {
        concreteTypeIds.clear(); // should already be empty
        concreteTypeIds.add(null);
      }
      UUID lastTypeId = null;
      Set<UUID> seenIds = new HashSet<UUID>();
      query.getOptions().put(SqlDatabase.USE_JDBC_FETCH_SIZE_QUERY_OPTION, false);
      for (UUID typeId : concreteTypeIds) {
        Query<?> concreteQuery = query.clone();
        if (typeId != null) {
          concreteQuery.where("_type = ?", typeId);
        }
        for (Object o : concreteQuery.noCache().resolveToReferenceOnly().iterable(100)) {
          if (o instanceof Recordable) {
            Recordable r = (Recordable) o;
            writer.write(ObjectUtils.toJson(r.getState().getSimpleValues(true)));
            writer.write('\n');
            if (!pkg.isInit()) {
              if (lastTypeId == null || !lastTypeId.equals(r.getState().getTypeId())) {
                seenIds.clear();
              } else if (seenIds.size() > MAX_SEEN_REFERENCE_IDS_SIZE) {
                seenIds.clear();
              }
              lastTypeId = r.getState().getTypeId();
              Map<String, ObjectType> followReferencesFieldMap;
              if ((followReferencesFieldMap = followReferences.get(r.getState().getTypeId()))
                  != null) {
                for (Map.Entry<String, ObjectType> entry : followReferencesFieldMap.entrySet()) {
                  Object reference = r.getState().getRawValue(entry.getKey());
                  Set<UUID> referenceIds = new HashSet<UUID>();
                  if (reference instanceof Collection) {
                    for (Object referenceObj : ((Collection<?>) reference)) {
                      if (referenceObj instanceof Recordable) {
                        UUID referenceUUID =
                            ObjectUtils.to(
                                UUID.class, ((Recordable) referenceObj).getState().getId());
                        if (referenceUUID != null) {
                          if (!seenIds.contains(referenceUUID)) {
                            referenceIds.add(referenceUUID);
                          }
                        }
                      }
                    }
                  } else if (reference instanceof Recordable) {
                    UUID referenceUUID =
                        ObjectUtils.to(UUID.class, ((Recordable) reference).getState().getId());
                    if (referenceUUID != null) {
                      if (!seenIds.contains(referenceUUID)) {
                        referenceIds.add(referenceUUID);
                      }
                    }
                  }
                  if (!referenceIds.isEmpty()) {
                    for (Object ref :
                        Query.fromType(entry.getValue())
                            .noCache()
                            .using(database)
                            .where("_id = ?", referenceIds)
                            .selectAll()) {
                      if (ref instanceof Recordable) {
                        Recordable refr = (Recordable) ref;
                        seenIds.add(refr.getState().getId());
                        writer.write(ObjectUtils.toJson(refr.getState().getSimpleValues(true)));
                        writer.write('\n');
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }

      writer.flush();
    }