<!--
  DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 
  Copyright 2009 Sun Microsystems, Inc. All rights reserved.
  
  Use is subject to License Terms
--> 

<!-- This file maps at least one set of beans to tables and columns in a 
     specific db schema
-->
<!ELEMENT sun-cmp-mappings ( sun-cmp-mapping+ ) >

<!-- At least one bean is mapped to database columns in the named schema -->
<!ELEMENT sun-cmp-mapping ( schema, entity-mapping+) >

<!-- A cmp bean has a name, a primary table, one or more fields, zero or 
     more relationships, and zero or more secondary tables, plus flags for 
     consistency checking.
 
     If the consistency checking flag element is not present, then none 
     is assumed 
--> 
<!ELEMENT entity-mapping (ejb-name, table-name, cmp-field-mapping+, 
        cmr-field-mapping*, secondary-table*, consistency?)>

<!ELEMENT consistency (none | check-modified-at-commit | lock-when-loaded |
        check-all-at-commit | (lock-when-modified, check-all-at-commit?) |
        check-version-of-accessed-instances) >

<!ELEMENT read-only EMPTY>

<!-- A cmp-field-mapping has a field, one or more columns that it maps to.  
     The column can be from a bean's primary table or any defined secondary 
     table.  If a field is mapped to multiple columns, the column listed first
     is used as the SOURCE for getting the value from the database.  The 
     columns are updated in their order.  A field may also be marked as 
     read-only.  It may also participate in a hierarchial or independent 
     fetch group. If the fetched-with element is not present, the value,
          <fetched-with><default/></fetched-with>
     is assumed.
-->
<!ELEMENT cmp-field-mapping (field-name, column-name+, read-only?, 
        fetched-with?) >
            
<!-- The java identifier of a field. Must match the value of the field-name 
     sub-element of the cmp-field that is being mapped. 
-->
<!ELEMENT field-name (#PCDATA) >

<!-- The java identifier of a field.  Must match the value of the 
     cmr-field-name sub-element of the cmr-field tat is being mapped. 
-->
<!ELEMENT cmr-field-name (#PCDATA) >

<!-- The ejb-name from the standard EJB-jar DTD--> 
<!ELEMENT ejb-name (#PCDATA) >

<!-- The COLUMN name of a column from the primary table, or the table 
     qualified name (TABLE.COLUMN) of a column from a secondary or related 
     table
--> 
<!ELEMENT column-name (#PCDATA) >

<!-- Holds the fetch group configuration for fields and relationships -->
<!ELEMENT fetched-with (default | level | named-group | none) >

<!-- Sub element of fetched-with. Implies that a field belongs to the default
     hierarchical fetch group. -->
<!ELEMENT default EMPTY>

<!-- A hierarchial fetch group.  The value of this element must be an integer.
     Fields and relationships that belong to a hierachial fetch group of equal
     (or lesser) value are fetched at the same time. The value of level must
     be greater than zero.
-->
<!ELEMENT level (#PCDATA) >

<!-- The name of an independent fetch group.  All the fields and relationships 
  that are part of a named-group are fetched at the same time-->
<!ELEMENT named-group (#PCDATA) >

<!-- The name of a database table -->
<!ELEMENT table-name (#PCDATA) >

<!-- a bean's secondary tables -->
<!ELEMENT secondary-table (table-name, column-pair+) >

<!-- the pair of columns -->
<!ELEMENT column-pair (column-name, column-name) >

<!-- cmr-field mapping.  A cmr field has a name and one or more column 
     pairs that define the relationship. The relationship can also 
     participate in a fetch group.
     
     If the fetched-with element is not present, the value,
          <fetched-with><none/></fetched-with>
     is assumed. 
-->
<!ELEMENT cmr-field-mapping (cmr-field-name, column-pair+, fetched-with? ) >

<!-- The path name to the schema file--> 
<!ELEMENT schema (#PCDATA) >

<!-- flag elements for consistency levels -->

<!-- note: none is also a sub-element of the fetched-with tag -->
<!ELEMENT none EMPTY >
<!ELEMENT check-modified-at-commit EMPTY >
<!ELEMENT check-all-at-commit EMPTY>
<!ELEMENT lock-when-modified EMPTY>
<!ELEMENT lock-when-loaded EMPTY >
<!ELEMENT check-version-of-accessed-instances (column-name+) >
