Package oracle.toplink.essentials.internal.helper

Examples of oracle.toplink.essentials.internal.helper.DatabaseField

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    /**
     * PUBLIC:
     * Set the field name in the mapping.
     */
    public void setFieldName(String FieldName) {
        setField(new DatabaseField(FieldName));
    }
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     * if the other tables have the same primary key nothing else is required, otherwise
     * a primary key/foreign key field mapping must be provided for each of the other tables.
     * @see #addMultipleTableForeignKeyFieldName(String, String);
     */
    public void addPrimaryKeyFieldName(String fieldName) {
        getPrimaryKeyFields().add(new DatabaseField(fieldName));
    }
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        if (!(fields.size() == (getPrimaryKeyFields().size()))) {
            return false;
        }

        for (Enumeration enumFields = fields.elements(); enumFields.hasMoreElements();) {
            DatabaseField field = (DatabaseField)enumFields.nextElement();

            if (!getPrimaryKeyFields().contains(field)) {
                return false;
            }
        }
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     */

    // * added 9/7/00 by Les Davis
    // * bug fix for null pointer in initialization of mappings in remote session
    public DatabaseField buildField(String fieldName) {
        DatabaseField field = new DatabaseField(fieldName);
        DatabaseTable table;

        if (field.hasTableName()) {
            table = getTable(field.getTableName());
        } else if (getDefaultTable() != null) {
            table = getDefaultTable();
        } else {
            table = getTable(getTableName());
        }

        field.setTable(table);
        return field;
    }
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                        databaseFields.addElement(row.get("COLUMN_NAME"));
                    }

                    // To check that the fields of descriptor are present in the database.
                    for (Enumeration row = getFields().elements(); row.hasMoreElements();) {
                        DatabaseField field = (DatabaseField)row.nextElement();
                        if (field.getTable().equals(table) && (!databaseFields.contains(field.getName()))) {
                            session.getIntegrityChecker().handleError(DescriptorException.fieldIsNotPresentInDatabase(this, table.getName(), field.getName()));
                        }
                    }
                } else {
                    session.getIntegrityChecker().handleError(DescriptorException.tableIsNotPresentInDatabase(this));
                }
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        // PrimaryKeyFields
        List primaryKeyVector = new ArrayList(getPrimaryKeyFields().size());
        List primaryKeyFields = getPrimaryKeyFields();
        for (int index = 0; index < primaryKeyFields.size(); index++) {
            DatabaseField primaryKey = (DatabaseField)((DatabaseField)primaryKeyFields.get(index)).clone();
            primaryKeyVector.add(primaryKey);
        }
        clonedDescriptor.setPrimaryKeyFields(primaryKeyVector);

        // fields.
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        Iterator tablesHashtable = getAdditionalTablePrimaryKeyFields().values().iterator();
        while (tablesHashtable.hasNext()) {
            Map tableHash = (Map)tablesHashtable.next();
            Iterator fieldEnumeration = tableHash.keySet().iterator();
            while (fieldEnumeration.hasNext()) {
                DatabaseField keyField = (DatabaseField)fieldEnumeration.next();

                //PRS#36802(CR#2057) contains() is changed to containsKey()
                if (getMultipleTableForeignKeys().containsKey(keyField.getTable())) {
                    Association association = new Association(keyField.getQualifiedName(), ((DatabaseField)tableHash.get(keyField)).getQualifiedName());
                    associations.addElement(association);
                }
            }
        }
        return associations;
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        Iterator tablesHashtable = getAdditionalTablePrimaryKeyFields().values().iterator();
        while (tablesHashtable.hasNext()) {
            Map tableHash = (Map)tablesHashtable.next();
            Iterator fieldEnumeration = tableHash.keySet().iterator();
            while (fieldEnumeration.hasNext()) {
                DatabaseField keyField = (DatabaseField)fieldEnumeration.next();

                //PRS#36802(CR#2057) contains() is changed to containsKey()
                if (!getMultipleTableForeignKeys().containsKey(keyField.getTable())) {
                    Association association = new Association(keyField.getQualifiedName(), ((DatabaseField)tableHash.get(keyField)).getQualifiedName());
                    associations.addElement(association);
                }
            }
        }
        return associations;
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     * INTERNAL:
     * searches first descriptor than its ReturningPolicy for an equal field
     */
    public DatabaseField getTypedField(DatabaseField field) {
        boolean mayBeMoreThanOne = hasMultipleTables() && !field.hasTableName();
        DatabaseField foundField = null;
        for (int j = 0; j < getFields().size(); j++) {
            DatabaseField descField = (DatabaseField)getFields().elementAt(j);
            if (field.equals(descField)) {
                if (descField.getType() != null) {
                    foundField = descField;
                    if (!mayBeMoreThanOne || descField.getTable().equals(getDefaultTable())) {
                        break;
                    }
                }
            }
        }
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            for (int index = getObjectBuilder().getPrimaryKeyMappings().size() - 1; index >= 0; index--) {
                DatabaseMapping mapping = (DatabaseMapping) getObjectBuilder().getPrimaryKeyMappings().get(index);
                if ((mapping != null) && mapping.isDirectToFieldMapping()) {
                    getMappings().remove(mapping);
                    getMappings().add(0, mapping);
                    DatabaseField field = ((AbstractDirectMapping) mapping).getField();
                    getFields().remove(field);
                    getFields().add(0, field);
                    getAllFields().remove(field);
                    getAllFields().add(0, field);
                }
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Related Classes of oracle.toplink.essentials.internal.helper.DatabaseField

  • oracle.toplink.essentials.descriptors.ClassDescriptor
  • oracle.toplink.essentials.descriptors.FetchGroupManager
  • oracle.toplink.essentials.internal.databaseaccess.InOutputParameterForCallableStatement
  • oracle.toplink.essentials.internal.ejb.cmp3.base.CMP3Policy
  • oracle.toplink.essentials.internal.ejb.cmp3.metadata.accessors.BasicAccessor
  • oracle.toplink.essentials.internal.ejb.cmp3.metadata.accessors.ClassAccessor
  • oracle.toplink.essentials.internal.ejb.cmp3.metadata.accessors.CollectionAccessor
  • oracle.toplink.essentials.internal.ejb.cmp3.metadata.accessors.DirectAccessor
  • oracle.toplink.essentials.internal.ejb.cmp3.metadata.accessors.EmbeddedAccessor
  • oracle.toplink.essentials.internal.ejb.cmp3.metadata.accessors.EmbeddedIdAccessor
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