Exemplo n.º 1
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;
  }
Exemplo n.º 2
0
  public String sqlCreateString(
      Dialect dialect, Mapping p, String defaultCatalog, String defaultSchema)
      throws HibernateException {
    StringBuffer buf =
        new StringBuffer("create table ")
            .append(getQualifiedName(dialect, defaultCatalog, defaultSchema))
            .append(" (");

    boolean identityColumn = idValue != null && idValue.isIdentityColumn(dialect);

    // Try to find out the name of the primary key to create it as identity if the IdentityGenerator
    // is used
    String pkname = null;
    if (hasPrimaryKey() && identityColumn) {
      pkname = ((Column) getPrimaryKey().getColumnIterator().next()).getQuotedName(dialect);
    }

    Iterator iter = getColumnIterator();
    while (iter.hasNext()) {
      Column col = (Column) iter.next();

      buf.append(col.getQuotedName(dialect)).append(' ');

      if (identityColumn && col.getQuotedName(dialect).equals(pkname)) {
        // to support dialects that have their own identity data type
        if (dialect.hasDataTypeInIdentityColumn()) {
          buf.append(col.getSqlType(dialect, p));
        }
        buf.append(' ').append(dialect.getIdentityColumnString(col.getSqlTypeCode(p)));
      } else {

        buf.append(col.getSqlType(dialect, p));

        String defaultValue = col.getDefaultValue();
        if (defaultValue != null) {
          buf.append(" default ").append(defaultValue);
        }

        if (col.isNullable()) {
          buf.append(dialect.getNullColumnString());
        } else {
          buf.append(" not null");
        }
      }

      boolean useUniqueConstraint =
          col.isUnique() && (!col.isNullable() || dialect.supportsNotNullUnique());
      if (useUniqueConstraint) {
        if (dialect.supportsUnique()) {
          buf.append(" unique");
        } else {
          UniqueKey uk = getOrCreateUniqueKey(col.getQuotedName(dialect) + '_');
          uk.addColumn(col);
        }
      }

      if (col.hasCheckConstraint() && dialect.supportsColumnCheck()) {
        buf.append(" check (").append(col.getCheckConstraint()).append(")");
      }

      String columnComment = col.getComment();
      if (columnComment != null) {
        buf.append(dialect.getColumnComment(columnComment));
      }

      if (iter.hasNext()) buf.append(", ");
    }
    if (hasPrimaryKey()) {
      buf.append(", ").append(getPrimaryKey().sqlConstraintString(dialect));
    }

    if (dialect.supportsUniqueConstraintInCreateAlterTable()) {
      Iterator ukiter = getUniqueKeyIterator();
      while (ukiter.hasNext()) {
        UniqueKey uk = (UniqueKey) ukiter.next();
        buf.append(", ").append(uk.sqlConstraintString(dialect));
      }
    }
    /*Iterator idxiter = getIndexIterator();
    while ( idxiter.hasNext() ) {
    	Index idx = (Index) idxiter.next();
    	buf.append(',').append( idx.sqlConstraintString(dialect) );
    }*/

    if (dialect.supportsTableCheck()) {
      Iterator chiter = checkConstraints.iterator();
      while (chiter.hasNext()) {
        buf.append(", check (").append(chiter.next()).append(')');
      }
    }

    buf.append(')');

    if (comment != null) buf.append(dialect.getTableComment(comment));

    return buf.append(dialect.getTableTypeString()).toString();
  }
Exemplo n.º 3
0
  public Iterator sqlAlterStrings(
      Dialect dialect,
      Mapping p,
      TableMetadata tableInfo,
      String defaultCatalog,
      String defaultSchema)
      throws HibernateException {

    StringBuffer root =
        new StringBuffer("alter table ")
            .append(getQualifiedName(dialect, defaultCatalog, defaultSchema))
            .append(' ')
            .append(dialect.getAddColumnString());

    Iterator iter = getColumnIterator();
    List results = new ArrayList();
    while (iter.hasNext()) {
      Column column = (Column) iter.next();

      ColumnMetadata columnInfo = tableInfo.getColumnMetadata(column.getName());

      if (columnInfo == null) {
        // the column doesnt exist at all.
        StringBuffer alter =
            new StringBuffer(root.toString())
                .append(' ')
                .append(column.getQuotedName(dialect))
                .append(' ')
                .append(column.getSqlType(dialect, p));

        String defaultValue = column.getDefaultValue();
        if (defaultValue != null) {
          alter.append(" default ").append(defaultValue);

          if (column.isNullable()) {
            alter.append(dialect.getNullColumnString());
          } else {
            alter.append(" not null");
          }
        }

        boolean useUniqueConstraint =
            column.isUnique()
                && dialect.supportsUnique()
                && (!column.isNullable() || dialect.supportsNotNullUnique());
        if (useUniqueConstraint) {
          alter.append(" unique");
        }

        if (column.hasCheckConstraint() && dialect.supportsColumnCheck()) {
          alter.append(" check(").append(column.getCheckConstraint()).append(")");
        }

        String columnComment = column.getComment();
        if (columnComment != null) alter.append(dialect.getColumnComment(columnComment));

        results.add(alter.toString());
      }
    }

    return results.iterator();
  }
Exemplo n.º 4
0
  public String sqlCreateString(
      Dialect dialect, Mapping p, String defaultCatalog, String defaultSchema) {
    StringBuilder buf =
        new StringBuilder(
                hasPrimaryKey()
                    ? dialect.getCreateTableString()
                    : dialect.getCreateMultisetTableString())
            .append(' ')
            .append(getQualifiedName(dialect, defaultCatalog, defaultSchema))
            .append(" (");

    boolean identityColumn =
        idValue != null && idValue.isIdentityColumn(p.getIdentifierGeneratorFactory(), dialect);

    // Try to find out the name of the primary key to create it as identity if the IdentityGenerator
    // is used
    String pkname = null;
    if (hasPrimaryKey() && identityColumn) {
      pkname = ((Column) getPrimaryKey().getColumnIterator().next()).getQuotedName(dialect);
    }

    Iterator iter = getColumnIterator();
    while (iter.hasNext()) {
      Column col = (Column) iter.next();

      buf.append(col.getQuotedName(dialect)).append(' ');

      if (identityColumn && col.getQuotedName(dialect).equals(pkname)) {
        // to support dialects that have their own identity data type
        if (dialect.getIdentityColumnSupport().hasDataTypeInIdentityColumn()) {
          buf.append(col.getSqlType(dialect, p));
        }
        buf.append(' ')
            .append(
                dialect.getIdentityColumnSupport().getIdentityColumnString(col.getSqlTypeCode(p)));
      } else {

        buf.append(col.getSqlType(dialect, p));

        String defaultValue = col.getDefaultValue();
        if (defaultValue != null) {
          buf.append(" default ").append(defaultValue);
        }

        if (col.isNullable()) {
          buf.append(dialect.getNullColumnString());
        } else {
          buf.append(" not null");
        }
      }

      if (col.isUnique()) {
        String keyName = Constraint.generateName("UK_", this, col);
        UniqueKey uk = getOrCreateUniqueKey(keyName);
        uk.addColumn(col);
        buf.append(dialect.getUniqueDelegate().getColumnDefinitionUniquenessFragment(col));
      }

      if (col.hasCheckConstraint() && dialect.supportsColumnCheck()) {
        buf.append(" check (").append(col.getCheckConstraint()).append(")");
      }

      String columnComment = col.getComment();
      if (columnComment != null) {
        buf.append(dialect.getColumnComment(columnComment));
      }

      if (iter.hasNext()) {
        buf.append(", ");
      }
    }
    if (hasPrimaryKey()) {
      buf.append(", ").append(getPrimaryKey().sqlConstraintString(dialect));
    }

    buf.append(dialect.getUniqueDelegate().getTableCreationUniqueConstraintsFragment(this));

    if (dialect.supportsTableCheck()) {
      for (String checkConstraint : checkConstraints) {
        buf.append(", check (").append(checkConstraint).append(')');
      }
    }

    buf.append(')');

    if (comment != null) {
      buf.append(dialect.getTableComment(comment));
    }

    return buf.append(dialect.getTableTypeString()).toString();
  }
Exemplo n.º 5
0
  public Iterator sqlAlterStrings(
      Dialect dialect,
      Mapping p,
      TableInformation tableInfo,
      String defaultCatalog,
      String defaultSchema)
      throws HibernateException {

    StringBuilder root =
        new StringBuilder("alter table ")
            .append(getQualifiedName(dialect, defaultCatalog, defaultSchema))
            .append(' ')
            .append(dialect.getAddColumnString());

    Iterator iter = getColumnIterator();
    List results = new ArrayList();

    while (iter.hasNext()) {
      final Column column = (Column) iter.next();
      final ColumnInformation columnInfo =
          tableInfo.getColumn(Identifier.toIdentifier(column.getName(), column.isQuoted()));

      if (columnInfo == null) {
        // the column doesnt exist at all.
        StringBuilder alter =
            new StringBuilder(root.toString())
                .append(' ')
                .append(column.getQuotedName(dialect))
                .append(' ')
                .append(column.getSqlType(dialect, p));

        String defaultValue = column.getDefaultValue();
        if (defaultValue != null) {
          alter.append(" default ").append(defaultValue);
        }

        if (column.isNullable()) {
          alter.append(dialect.getNullColumnString());
        } else {
          alter.append(" not null");
        }

        if (column.isUnique()) {
          String keyName = Constraint.generateName("UK_", this, column);
          UniqueKey uk = getOrCreateUniqueKey(keyName);
          uk.addColumn(column);
          alter.append(dialect.getUniqueDelegate().getColumnDefinitionUniquenessFragment(column));
        }

        if (column.hasCheckConstraint() && dialect.supportsColumnCheck()) {
          alter.append(" check(").append(column.getCheckConstraint()).append(")");
        }

        String columnComment = column.getComment();
        if (columnComment != null) {
          alter.append(dialect.getColumnComment(columnComment));
        }

        alter.append(dialect.getAddColumnSuffixString());

        results.add(alter.toString());
      }
    }

    if (results.isEmpty()) {
      Logger.getLogger(SchemaUpdate.class)
          .debugf("No alter strings for table : %s", getQuotedName());
    }

    return results.iterator();
  }
Exemplo n.º 6
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);
  }