예제 #1
0
 public void addColumn(Column column) {
   if (!columns.contains(column)) {
     columns.add(column);
   }
   column.setValue(this);
   column.setTypeIndex(columns.size() - 1);
 }
예제 #2
0
 /** Shallow copy, the value is not copied */
 protected Object clone() {
   Column copy = new Column();
   copy.setLength(length);
   copy.setScale(scale);
   copy.setValue(value);
   copy.setTypeIndex(typeIndex);
   copy.setName(getQuotedName());
   copy.setNullable(nullable);
   copy.setPrecision(precision);
   copy.setUnique(unique);
   copy.setSqlType(sqlType);
   copy.setSqlTypeCode(sqlTypeCode);
   copy.uniqueInteger = uniqueInteger; // usually useless
   copy.setCheckConstraint(checkConstraint);
   copy.setComment(comment);
   copy.setDefaultValue(defaultValue);
   copy.setCustomRead(customRead);
   copy.setCustomWrite(customWrite);
   return copy;
 }
예제 #3
0
  /**
   * Builds the <code>Join</code> instance for the mapped by side of a <i>OneToOne</i> association
   * using a join tables.
   *
   * <p>Note:<br>
   *
   * <ul>
   *   <li>From the mappedBy side we should not create the PK nor the FK, this is handled from the
   *       other side.
   *   <li>This method is a dirty dupe of EntityBinder.bindSecondaryTable</i>.
   */
  private Join buildJoinFromMappedBySide(
      PersistentClass persistentClass, Property otherSideProperty, Join originalJoin) {
    Join join = new Join();
    join.setPersistentClass(persistentClass);

    // no check constraints available on joins
    join.setTable(originalJoin.getTable());
    join.setInverse(true);
    SimpleValue key =
        new DependantValue(mappings, join.getTable(), persistentClass.getIdentifier());
    // TODO support @ForeignKey
    join.setKey(key);
    join.setSequentialSelect(false);
    // TODO support for inverse and optional
    join.setOptional(true); // perhaps not quite per-spec, but a Good Thing anyway
    key.setCascadeDeleteEnabled(false);
    Iterator mappedByColumns = otherSideProperty.getValue().getColumnIterator();
    while (mappedByColumns.hasNext()) {
      Column column = (Column) mappedByColumns.next();
      Column copy = new Column();
      copy.setLength(column.getLength());
      copy.setScale(column.getScale());
      copy.setValue(key);
      copy.setName(column.getQuotedName());
      copy.setNullable(column.isNullable());
      copy.setPrecision(column.getPrecision());
      copy.setUnique(column.isUnique());
      copy.setSqlType(column.getSqlType());
      copy.setCheckConstraint(column.getCheckConstraint());
      copy.setComment(column.getComment());
      copy.setDefaultValue(column.getDefaultValue());
      key.addColumn(copy);
    }
    persistentClass.addJoin(join);
    return join;
  }
  @SuppressWarnings({"unchecked"})
  public void doSecondPass(Map persistentClasses) throws MappingException {
    PersistentClass referencedPersistentClass =
        (PersistentClass) persistentClasses.get(referencedEntityName);
    // TODO better error names
    if (referencedPersistentClass == null) {
      throw new AnnotationException("Unknown entity name: " + referencedEntityName);
    }
    if (!(referencedPersistentClass.getIdentifier() instanceof Component)) {
      throw new AssertionFailure(
          "Unexpected identifier type on the referenced entity when mapping a @MapsId: "
              + referencedEntityName);
    }
    Component referencedComponent = (Component) referencedPersistentClass.getIdentifier();
    Iterator<Property> properties = referencedComponent.getPropertyIterator();

    // prepare column name structure
    boolean isExplicitReference = true;
    Map<String, Ejb3JoinColumn> columnByReferencedName =
        new HashMap<String, Ejb3JoinColumn>(joinColumns.length);
    for (Ejb3JoinColumn joinColumn : joinColumns) {
      final String referencedColumnName = joinColumn.getReferencedColumn();
      if (referencedColumnName == null
          || BinderHelper.isEmptyAnnotationValue(referencedColumnName)) {
        break;
      }
      // JPA 2 requires referencedColumnNames to be case insensitive
      columnByReferencedName.put(referencedColumnName.toLowerCase(), joinColumn);
    }
    // try default column orientation
    int index = 0;
    if (columnByReferencedName.isEmpty()) {
      isExplicitReference = false;
      for (Ejb3JoinColumn joinColumn : joinColumns) {
        columnByReferencedName.put("" + index, joinColumn);
        index++;
      }
      index = 0;
    }

    while (properties.hasNext()) {
      Property referencedProperty = properties.next();
      if (referencedProperty.isComposite()) {
        throw new AssertionFailure(
            "Unexpected nested component on the referenced entity when mapping a @MapsId: "
                + referencedEntityName);
      } else {
        Property property = new Property();
        property.setName(referencedProperty.getName());
        property.setNodeName(referencedProperty.getNodeName());
        // FIXME set optional?
        // property.setOptional( property.isOptional() );
        property.setPersistentClass(component.getOwner());
        property.setPropertyAccessorName(referencedProperty.getPropertyAccessorName());
        SimpleValue value = new SimpleValue(mappings, component.getTable());
        property.setValue(value);
        final SimpleValue referencedValue = (SimpleValue) referencedProperty.getValue();
        value.setTypeName(referencedValue.getTypeName());
        value.setTypeParameters(referencedValue.getTypeParameters());
        final Iterator<Column> columns = referencedValue.getColumnIterator();

        if (joinColumns[0].isNameDeferred()) {
          joinColumns[0].copyReferencedStructureAndCreateDefaultJoinColumns(
              referencedPersistentClass, columns, value);
        } else {
          // FIXME take care of Formula
          while (columns.hasNext()) {
            Column column = columns.next();
            final Ejb3JoinColumn joinColumn;
            String logicalColumnName = null;
            if (isExplicitReference) {
              final String columnName = column.getName();
              logicalColumnName =
                  mappings.getLogicalColumnName(columnName, referencedPersistentClass.getTable());
              // JPA 2 requires referencedColumnNames to be case insensitive
              joinColumn = columnByReferencedName.get(logicalColumnName.toLowerCase());
            } else {
              joinColumn = columnByReferencedName.get("" + index);
              index++;
            }
            if (joinColumn == null && !joinColumns[0].isNameDeferred()) {
              throw new AnnotationException(
                  isExplicitReference
                      ? "Unable to find column reference in the @MapsId mapping: "
                          + logicalColumnName
                      : "Implicit column reference in the @MapsId mapping fails, try to use explicit referenceColumnNames: "
                          + referencedEntityName);
            }
            final String columnName =
                joinColumn == null || joinColumn.isNameDeferred()
                    ? "tata_" + column.getName()
                    : joinColumn.getName();
            value.addColumn(new Column(columnName));
            column.setValue(value);
          }
        }
        component.addProperty(property);
      }
    }
  }
예제 #5
0
  // TODO refactor this code, there is a lot of duplication in this method
  public void doSecondPass(Map persistentClasses) throws MappingException {
    org.hibernate.mapping.OneToOne value =
        new org.hibernate.mapping.OneToOne(
            mappings, propertyHolder.getTable(), propertyHolder.getPersistentClass());
    final String propertyName = inferredData.getPropertyName();
    value.setPropertyName(propertyName);
    String referencedEntityName =
        ToOneBinder.getReferenceEntityName(inferredData, targetEntity, mappings);
    value.setReferencedEntityName(referencedEntityName);
    AnnotationBinder.defineFetchingStrategy(value, inferredData.getProperty());
    // value.setFetchMode( fetchMode );
    value.setCascadeDeleteEnabled(cascadeOnDelete);
    // value.setLazy( fetchMode != FetchMode.JOIN );

    if (!optional) value.setConstrained(true);
    value.setForeignKeyType(
        value.isConstrained()
            ? ForeignKeyDirection.FOREIGN_KEY_FROM_PARENT
            : ForeignKeyDirection.FOREIGN_KEY_TO_PARENT);
    PropertyBinder binder = new PropertyBinder();
    binder.setName(propertyName);
    binder.setValue(value);
    binder.setCascade(cascadeStrategy);
    binder.setAccessType(inferredData.getDefaultAccess());
    Property prop = binder.makeProperty();
    if (BinderHelper.isEmptyAnnotationValue(mappedBy)) {
      /*
       * we need to check if the columns are in the right order
       * if not, then we need to create a many to one and formula
       * but actually, since entities linked by a one to one need
       * to share the same composite id class, this cannot happen in hibernate
       */
      boolean rightOrder = true;

      if (rightOrder) {
        String path = StringHelper.qualify(propertyHolder.getPath(), propertyName);
        (new ToOneFkSecondPass(
                value,
                joinColumns,
                !optional, // cannot have nullabe and unique on certain DBs
                propertyHolder.getEntityOwnerClassName(),
                path,
                mappings))
            .doSecondPass(persistentClasses);
        // no column associated since its a one to one
        propertyHolder.addProperty(prop, inferredData.getDeclaringClass());
      } else {
        // this is a many to one with Formula

      }
    } else {
      PersistentClass otherSide =
          (PersistentClass) persistentClasses.get(value.getReferencedEntityName());
      Property otherSideProperty;
      try {
        if (otherSide == null) {
          throw new MappingException("Unable to find entity: " + value.getReferencedEntityName());
        }
        otherSideProperty = BinderHelper.findPropertyByName(otherSide, mappedBy);
      } catch (MappingException e) {
        throw new AnnotationException(
            "Unknown mappedBy in: "
                + StringHelper.qualify(ownerEntity, ownerProperty)
                + ", referenced property unknown: "
                + StringHelper.qualify(value.getReferencedEntityName(), mappedBy));
      }
      if (otherSideProperty == null) {
        throw new AnnotationException(
            "Unknown mappedBy in: "
                + StringHelper.qualify(ownerEntity, ownerProperty)
                + ", referenced property unknown: "
                + StringHelper.qualify(value.getReferencedEntityName(), mappedBy));
      }
      if (otherSideProperty.getValue() instanceof OneToOne) {
        propertyHolder.addProperty(prop, inferredData.getDeclaringClass());
      } else if (otherSideProperty.getValue() instanceof ManyToOne) {
        Iterator it = otherSide.getJoinIterator();
        Join otherSideJoin = null;
        while (it.hasNext()) {
          Join otherSideJoinValue = (Join) it.next();
          if (otherSideJoinValue.containsProperty(otherSideProperty)) {
            otherSideJoin = otherSideJoinValue;
            break;
          }
        }
        if (otherSideJoin != null) {
          // @OneToOne @JoinTable
          Join mappedByJoin =
              buildJoinFromMappedBySide(
                  (PersistentClass) persistentClasses.get(ownerEntity),
                  otherSideProperty,
                  otherSideJoin);
          ManyToOne manyToOne = new ManyToOne(mappings, mappedByJoin.getTable());
          // FIXME use ignore not found here
          manyToOne.setIgnoreNotFound(ignoreNotFound);
          manyToOne.setCascadeDeleteEnabled(value.isCascadeDeleteEnabled());
          manyToOne.setEmbedded(value.isEmbedded());
          manyToOne.setFetchMode(value.getFetchMode());
          manyToOne.setLazy(value.isLazy());
          manyToOne.setReferencedEntityName(value.getReferencedEntityName());
          manyToOne.setUnwrapProxy(value.isUnwrapProxy());
          prop.setValue(manyToOne);
          Iterator otherSideJoinKeyColumns = otherSideJoin.getKey().getColumnIterator();
          while (otherSideJoinKeyColumns.hasNext()) {
            Column column = (Column) otherSideJoinKeyColumns.next();
            Column copy = new Column();
            copy.setLength(column.getLength());
            copy.setScale(column.getScale());
            copy.setValue(manyToOne);
            copy.setName(column.getQuotedName());
            copy.setNullable(column.isNullable());
            copy.setPrecision(column.getPrecision());
            copy.setUnique(column.isUnique());
            copy.setSqlType(column.getSqlType());
            copy.setCheckConstraint(column.getCheckConstraint());
            copy.setComment(column.getComment());
            copy.setDefaultValue(column.getDefaultValue());
            manyToOne.addColumn(copy);
          }
          mappedByJoin.addProperty(prop);
        } else {
          propertyHolder.addProperty(prop, inferredData.getDeclaringClass());
        }

        value.setReferencedPropertyName(mappedBy);

        String propertyRef = value.getReferencedPropertyName();
        if (propertyRef != null) {
          mappings.addUniquePropertyReference(value.getReferencedEntityName(), propertyRef);
        }
      } else {
        throw new AnnotationException(
            "Referenced property not a (One|Many)ToOne: "
                + StringHelper.qualify(otherSide.getEntityName(), mappedBy)
                + " in mappedBy of "
                + StringHelper.qualify(ownerEntity, ownerProperty));
      }
    }
    ForeignKey fk = inferredData.getProperty().getAnnotation(ForeignKey.class);
    String fkName = fk != null ? fk.name() : "";
    if (!BinderHelper.isEmptyAnnotationValue(fkName)) value.setForeignKeyName(fkName);
  }