<!ATTLIST array optimistic-lock (true|false) "true">	<!-- only supported for properties of a class (not component) -->
	<!ATTLIST array node CDATA #IMPLIED>
	<!ATTLIST array embed-xml (true|false) "true">

<!ELEMENT primitive-array (
	meta*, 
	subselect?,
	cache?, 
	synchronize*,
	comment?,
	key, 
	(index|list-index), 
	element,
	loader?,sql-insert?,sql-update?,sql-delete?,sql-delete-all?
)>
	<!ATTLIST primitive-array name CDATA #REQUIRED>
	<!ATTLIST primitive-array access CDATA #IMPLIED>
	<!ATTLIST primitive-array table CDATA #IMPLIED>									<!-- default: name -->
	<!ATTLIST primitive-array schema CDATA #IMPLIED>								<!-- default: none -->
	<!ATTLIST primitive-array catalog CDATA #IMPLIED>								<!-- default: none -->
	<!ATTLIST primitive-array subselect CDATA #IMPLIED>
	<!ATTLIST primitive-array mutable (true|false) "true">
	<!ATTLIST primitive-array where CDATA #IMPLIED>									<!-- default: none -->
	<!ATTLIST primitive-array batch-size CDATA #IMPLIED>
	<!ATTLIST primitive-array outer-join (true|false|auto) #IMPLIED>
	<!ATTLIST primitive-array fetch (join|select|subselect) #IMPLIED>
	<!ATTLIST primitive-array persister CDATA #IMPLIED>																
	<!ATTLIST primitive-array collection-type CDATA #IMPLIED>
	<!ATTLIST primitive-array check CDATA #IMPLIED>									<!-- default: none -->
	<!ATTLIST primitive-array optimistic-lock (true|false) "true">		<!-- only supported for properties of a class (not component) -->
	<!ATTLIST primitive-array node CDATA #IMPLIED>
	<!ATTLIST primitive-array embed-xml (true|false) "true">

<!-- Declares the element type of a collection of basic type -->

<!ELEMENT element ( (column|formula)*, type? )>
	<!ATTLIST element column CDATA #IMPLIED>
	<!ATTLIST element node CDATA #IMPLIED>
	<!ATTLIST element formula CDATA #IMPLIED>
	<!ATTLIST element type CDATA #IMPLIED>
	<!ATTLIST element length CDATA #IMPLIED>
	<!ATTLIST element precision CDATA #IMPLIED>
	<!ATTLIST element scale CDATA #IMPLIED>
	<!ATTLIST element not-null (true|false) "false">
	<!ATTLIST element unique (true|false) "false">

<!-- One to many association. This tag declares the entity-class
element type of a collection and specifies a one-to-many relational model -->

<!ELEMENT one-to-many EMPTY>
	<!ATTLIST one-to-many class CDATA #IMPLIED>
	<!ATTLIST one-to-many not-found (exception|ignore) "exception">
	<!ATTLIST one-to-many node CDATA #IMPLIED>
	<!ATTLIST one-to-many embed-xml (true|false) "true">
	<!ATTLIST one-to-many entity-name CDATA #IMPLIED>
	<!-- No column declaration attributes required in this case. The primary
	key column of the associated class is already mapped elsewhere.-->

<!-- Many to many association. This tag declares the entity-class
element type of a collection and specifies a many-to-many relational model -->

<!ELEMENT many-to-many (meta*,(column|formula)*,filter*)>
	<!ATTLIST many-to-many class CDATA #IMPLIED>
	<!ATTLIST many-to-many node CDATA #IMPLIED>
	<!ATTLIST many-to-many embed-xml (true|false) "true">
	<!ATTLIST many-to-many entity-name CDATA #IMPLIED>
	<!ATTLIST many-to-many column CDATA #IMPLIED>
	<!ATTLIST many-to-many formula CDATA #IMPLIED>
	<!ATTLIST many-to-many not-found (exception|ignore) "exception">
	<!ATTLIST many-to-many outer-join (true|false|auto) #IMPLIED>
	<!ATTLIST many-to-many fetch (join|select) #IMPLIED>
	<!ATTLIST many-to-many lazy (false|proxy) #IMPLIED>
	<!ATTLIST many-to-many foreign-key CDATA #IMPLIED>
	<!ATTLIST many-to-many unique (true|false) "false">
	<!ATTLIST many-to-many where CDATA #IMPLIED>
	<!ATTLIST many-to-many order-by CDATA #IMPLIED>
	<!ATTLIST many-to-many property-ref CDATA #IMPLIED>

<!-- A composite element allows a collection to hold instances of an arbitrary 
class, without the requirement of joining to an entity table. Composite elements
have component semantics - no shared references and ad hoc null value semantics. 
Composite elements may not hold nested collections. -->

<!ELEMENT composite-element ( 
	(meta*),
	parent?,
	(property|many-to-one|any|nested-composite-element)* 
)>
	<!ATTLIST composite-element class CDATA #REQUIRED>
	<!ATTLIST composite-element node CDATA #IMPLIED>

<!ELEMENT nested-composite-element ( 
	parent?,
	(property|many-to-one|any|nested-composite-element)* 
)>
	<!ATTLIST nested-composite-element class CDATA #REQUIRED>
	<!ATTLIST nested-composite-element name CDATA #REQUIRED>
	<!ATTLIST nested-composite-element access CDATA #IMPLIED>
	<!ATTLIST nested-composite-element node CDATA #IMPLIED>
	
<!-- Declares the column name of a foreign key. -->

<!ELEMENT key (column*)>
	<!ATTLIST key column CDATA #IMPLIED>
	<!ATTLIST key property-ref CDATA #IMPLIED>
	<!ATTLIST key foreign-key CDATA #IMPLIED>
	<!ATTLIST key on-delete (cascade|noaction) "noaction">
	<!ATTLIST key not-null (true|false) #IMPLIED>
	<!ATTLIST key update (true|false) #IMPLIED>
	<!ATTLIST key unique (true|false) #IMPLIED>
	
<!-- Declares the type and column mapping for a collection index (array or
list index, or key of a map). -->

<!ELEMENT list-index (column?)>
	<!ATTLIST list-index column CDATA #IMPLIED>
	<!ATTLIST list-index base CDATA "0">

<!ELEMENT map-key ((column|formula)*)>
	<!ATTLIST map-key column CDATA #IMPLIED>
	<!ATTLIST map-key formula CDATA #IMPLIED>
	<!ATTLIST map-key type CDATA #REQUIRED>
	<!ATTLIST map-key length CDATA #IMPLIED>
	<!ATTLIST map-key node CDATA #IMPLIED>

<!ELEMENT index (column*)>
	<!ATTLIST index column CDATA #IMPLIED>
	<!ATTLIST index type CDATA #IMPLIED>			<!-- required for maps -->
	<!ATTLIST index length CDATA #IMPLIED>

<!-- Many to many association mapped to the key of a map. ie. a map keyed
on entities. -->

<!ELEMENT map-key-many-to-many ((column|formula)*)>
	<!ATTLIST map-key-many-to-many class CDATA #IMPLIED>
	<!ATTLIST map-key-many-to-many entity-name CDATA #IMPLIED>
	<!ATTLIST map-key-many-to-many column CDATA #IMPLIED>
	<!ATTLIST map-key-many-to-many formula CDATA #IMPLIED>
	<!ATTLIST map-key-many-to-many foreign-key CDATA #IMPLIED>

<!ELEMENT index-many-to-many (column*)>
	<!ATTLIST index-many-to-many class CDATA #REQUIRED>
	<!ATTLIST index-many-to-many entity-name CDATA #IMPLIED>
	<!ATTLIST index-many-to-many column CDATA #IMPLIED>
	<!ATTLIST index-many-to-many foreign-key CDATA #IMPLIED>

<!-- Composite index of a map ie. a map keyed on components. -->

<!ELEMENT composite-map-key ( (key-property|key-many-to-one)+ )>
	<!ATTLIST composite-map-key class CDATA #REQUIRED>

<!ELEMENT composite-index ( (key-property|key-many-to-one)+ )>
	<!ATTLIST composite-index class CDATA #REQUIRED>

<!-- A "many to any" defines a polymorphic association to any table 
with the given identifier type. The first listed column is a VARCHAR column 
holding the name of the class (for that row). -->

<!ELEMENT many-to-any (meta-value*,column, column+)>
	<!ATTLIST many-to-any id-type CDATA #REQUIRED>
	<!ATTLIST many-to-any meta-type CDATA #IMPLIED>			<!--- default: Hibernate.CLASS -->

<!ELEMENT index-many-to-any (column, column+)>
	<!ATTLIST index-many-to-any id-type CDATA #REQUIRED>
	<!ATTLIST index-many-to-any meta-type CDATA #IMPLIED>	<!--- default: Hibernate.CLASS -->

<!ELEMENT collection-id (meta*, column*, generator)>
	<!ATTLIST collection-id column CDATA #REQUIRED>
	<!ATTLIST collection-id type CDATA #REQUIRED>
	<!ATTLIST collection-id length CDATA #IMPLIED>
	
<!-- Generators generate unique identifiers. The class attribute specifies a Java 
class implementing an id generation algorithm. -->

<!ELEMENT generator (param*)>
	<!ATTLIST generator class CDATA #REQUIRED>
<!ELEMENT param (#PCDATA)>
	<!ATTLIST param name CDATA #REQUIRED>

<!-- The column element is an alternative to column attributes and required for 
mapping associations to classes with composite ids. -->

<!ELEMENT column (comment?)>
	<!ATTLIST column name CDATA #REQUIRED>
	<!ATTLIST column length CDATA #IMPLIED>						<!-- default: 255 -->
	<!ATTLIST column precision CDATA #IMPLIED>
	<!ATTLIST column scale CDATA #IMPLIED>
	<!ATTLIST column not-null (true|false) #IMPLIED>		 	<!-- default: false (except for id properties) -->
	<!ATTLIST column unique (true|false) #IMPLIED>			 	<!-- default: false (except for id properties) -->
	<!ATTLIST column unique-key CDATA #IMPLIED>					<!-- default: no unique key -->
	<!ATTLIST column sql-type CDATA #IMPLIED>					<!-- override default column type for hibernate type -->
	<!ATTLIST column index CDATA #IMPLIED>
	<!ATTLIST column check CDATA #IMPLIED>						<!-- default: no check constraint -->
    <!ATTLIST column default CDATA #IMPLIED>                    <!-- default: no default value -->

<!-- The formula and subselect elements allow us to map derived properties and 
entities. -->

<!ELEMENT formula (#PCDATA)>
<!ELEMENT subselect (#PCDATA)>

<!-- The cache element enables caching of an entity class. -->
<!ELEMENT cache EMPTY>
	<!ATTLIST cache usage (read-only|read-write|nonstrict-read-write|transactional) #REQUIRED>				
	<!ATTLIST cache region CDATA #IMPLIED>						<!-- default: class or collection role name -->
	<!ATTLIST cache include (all|non-lazy) "all">

<!-- The comment element allows definition of a database table or column comment. -->

<!ELEMENT comment (#PCDATA)>

<!-- The loader element allows specification of a named query to be used for fetching
an entity or collection -->

<!ELEMENT loader EMPTY>
	<!ATTLIST loader query-ref CDATA #REQUIRED>

<!-- The query element declares a named Hibernate query string -->

<!ELEMENT query (#PCDATA|query-param)*>
	<!ATTLIST query name CDATA #REQUIRED>
	<!ATTLIST query flush-mode (auto|never|always) #IMPLIED>
	<!ATTLIST query cacheable (true|false) "false">
	<!ATTLIST query cache-region CDATA #IMPLIED>
	<!ATTLIST query fetch-size CDATA #IMPLIED>
	<!ATTLIST query timeout CDATA #IMPLIED>
	<!ATTLIST query cache-mode (get|ignore|normal|put|refresh) #IMPLIED>
    <!ATTLIST query read-only (true|false) #IMPLIED>
    <!ATTLIST query comment CDATA #IMPLIED>

<!-- The sql-query element declares a named SQL query string -->

<!ELEMENT sql-query (#PCDATA|return-scalar|return|return-join|load-collection|synchronize|query-param)*>
	<!ATTLIST sql-query name CDATA #REQUIRED>
    <!ATTLIST sql-query resultset-ref CDATA #IMPLIED>
	<!ATTLIST sql-query flush-mode (auto|never|always) #IMPLIED>
	<!ATTLIST sql-query cacheable (true|false) "false">
	<!ATTLIST sql-query cache-region CDATA #IMPLIED>
	<!ATTLIST sql-query fetch-size CDATA #IMPLIED>
	<!ATTLIST sql-query timeout CDATA #IMPLIED>
	<!ATTLIST sql-query cache-mode (get|ignore|normal|put|refresh) #IMPLIED>
    <!ATTLIST sql-query read-only (true|false) #IMPLIED>
    <!ATTLIST sql-query comment CDATA #IMPLIED>
	<!ATTLIST sql-query callable (true|false) "false">

<!-- The query-param element is used only by tools that generate
finder methods for named queries -->

<!ELEMENT query-param EMPTY>
	<!ATTLIST query-param name CDATA #REQUIRED>
	<!ATTLIST query-param type CDATA #REQUIRED>

<!-- The resultset element declares a named resultset mapping definition for SQL queries -->
<!ELEMENT resultset (return-scalar|return|return-join|load-collection)*>
	<!ATTLIST resultset name CDATA #REQUIRED>

<!--
	Defines a return component for a sql-query.  Alias refers to the alias
	used in the actual sql query; lock-mode specifies the locking to be applied
	when the query is executed.  The class, collection, and role attributes are mutually exclusive;
	class refers to the class name of a "root entity" in the object result; collection refers
	to a collection of a given class and is used to define custom sql to load that owned collection
	and takes the form "ClassName.propertyName"; role refers to the property path for an eager fetch
	and takes the form "owningAlias.propertyName"
-->
<!ELEMENT return (return-discriminator?,return-property)*>
	<!ATTLIST return alias CDATA #IMPLIED>
	<!ATTLIST return entity-name CDATA #IMPLIED>
	<!ATTLIST return class CDATA #IMPLIED>
	<!ATTLIST return lock-mode (none|read|upgrade|upgrade-nowait|write) "read">	

<!ELEMENT return-property (return-column*)> 
	<!ATTLIST return-property name CDATA #REQUIRED>
	<!ATTLIST return-property column CDATA #IMPLIED>

<!ELEMENT return-column EMPTY> 
	<!ATTLIST return-column name CDATA #REQUIRED>

<!ELEMENT return-discriminator EMPTY> 
	<!ATTLIST return-discriminator column CDATA #REQUIRED>
	
<!ELEMENT return-join (return-property)*> 
	<!ATTLIST return-join alias CDATA #REQUIRED>
	<!ATTLIST return-join property CDATA #REQUIRED>
	<!ATTLIST return-join lock-mode (none|read|upgrade|upgrade-nowait|write) "read">

<!ELEMENT load-collection (return-property)*> 
	<!ATTLIST load-collection alias CDATA #REQUIRED>
	<!ATTLIST load-collection role CDATA #REQUIRED>
	<!ATTLIST load-collection lock-mode (none|read|upgrade|upgrade-nowait|write) "read">

<!ELEMENT return-scalar EMPTY>
	<!ATTLIST return-scalar column CDATA #REQUIRED>
	<!ATTLIST return-scalar type CDATA #IMPLIED>

<!ELEMENT synchronize EMPTY>
	<!ATTLIST synchronize table CDATA #REQUIRED>
	
<!-- custom sql operations -->
<!ELEMENT sql-insert (#PCDATA)>
	<!ATTLIST sql-insert callable (true|false) "false">
	<!ATTLIST sql-insert check (none|rowcount|param) #IMPLIED>

<!ELEMENT sql-update (#PCDATA)>
	<!ATTLIST sql-update callable (true|false) "false">
	<!ATTLIST sql-update check (none|rowcount|param) #IMPLIED>

<!ELEMENT sql-delete (#PCDATA)>
	<!ATTLIST sql-delete callable (true|false) "false">
	<!ATTLIST sql-delete check (none|rowcount|param) #IMPLIED>

<!ELEMENT sql-delete-all (#PCDATA)>
	<!ATTLIST sql-delete-all callable (true|false) "false">
	<!ATTLIST sql-delete-all check (none|rowcount|param) #IMPLIED>

<!--
    Element for defining "auxiliary" database objects.  Must be one of two forms:

    #1 :
        <database-object>
            <definition class="CustomClassExtendingAuxiliaryObject"/>
        </database-object>

    #2 :
        <database-object>
            <create>CREATE OR REPLACE ....</create>
            <drop>DROP ....</drop>
        </database-object>
-->
<!ELEMENT database-object ( (definition|(create,drop)), dialect-scope* )>

<!ELEMENT definition EMPTY>
    <!ATTLIST definition class CDATA #REQUIRED>

<!ELEMENT create (#PCDATA)>
<!ELEMENT drop (#PCDATA)>

<!--
    dialect-scope element allows scoping auxiliary-objects to a particular
    Hibernate dialect implementation.
-->
<!ELEMENT dialect-scope (#PCDATA)>
    <!ATTLIST dialect-scope name CDATA #REQUIRED>