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Point checkin. Hibernate is currently beating me up by not doing

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what I expect when trying to determine the concrete type of a polymorphic
type.  Some major surgery seems to be in order.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@2927 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Britt Park
2006-05-20 15:34:17 +00:00
parent 72751fdedb
commit 2ee957f5e2
7 changed files with 164 additions and 70 deletions
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119
source/java/org/alfresco/repo/avm/hibernate/AVM.hbm.xml
View File

@@ -4,10 +4,10 @@
<!-- AVMNodeBean is the abstract base for filesystem like objects.
We're using the one table per class hierarchy strategy to implement
polymorphism. -->
<class table="avm_nodes" lazy="true" abstract="true"
<class table="avm_nodes" abstract="true"
name="AVMNodeBeanImpl"
proxy="AVMNodeBean"
optimistic-lock="version">
optimistic-lock="version" lazy="false">
<cache usage="read-write"/>
<!-- The id is set programmatically using an Issuer. See below. -->
<id name="id" column="id" type="long"/>
@@ -49,61 +49,65 @@
<!-- Directories, two flavors. -->
<subclass name="DirectoryNodeBeanImpl"
proxy="DirectoryNodeBean"
abstract="true">
abstract="true"
lazy="false">
<!-- A Layered Directory is our smart symlink thingy. -->
<subclass
name="LayeredDirectoryNodeBeanImpl"
proxy="LayeredDirectoryNodeBean" discriminator-value="layereddirectory">
<!-- The layer id is an implementation trick to disambiguate
exactly what layer is being refered to in various circumstances. -->
<property name="layerID" column="layer_id" type="long" not-null="true"/>
<!-- The is the moral equivalent of the value of a symlink. -->
<property name="indirection" column="indirection" type="string"
length="511"/>
<!-- This marks a layered directory as either knowing itself what
it points at (true) or inheriting what it points at from its
container (false). -->
<property name="primaryIndirection" column="primary_indirection" type="boolean"/>
<!-- Map of names to DirectoryEntries. -->
<map name="added" cascade="all">
<key column="directory_id"/>
<map-key type="string" column="name"/>
<!-- A DirectoryEntry is a (node)type AVMNode reference pair.
Should probably convert type into an integer code. -->
<composite-element class="DirectoryEntry">
<property name="type" column="type_name"
type="string" length="30" not-null="true"/>
<many-to-one name="child"
class="AVMNodeBeanImpl"
cascade="save-update" not-null="true">
</many-to-one>
</composite-element>
</map>
<!-- This is just the set of names of children deleted (and therefore
hidden) in this layer. -->
<set name="deleted" table="deleted_children"
fetch="join" cascade="all">
<key column="directory_id"/>
<element type="string" column="name"/>
</set>
</subclass>
<!-- Just plain directories. -->
<subclass name="LayeredDirectoryNodeBeanImpl"
proxy="LayeredDirectoryNodeBean"
discriminator-value="layereddirectory" lazy="false">
<!-- The layer id is an implementation trick to disambiguate
exactly what layer is being refered to in various circumstances. -->
<property name="layerID" column="layer_id" type="long"
not-null="true" />
<!-- The is the moral equivalent of the value of a symlink. -->
<property name="indirection" column="indirection"
type="string" length="511" />
<!-- This marks a layered directory as either knowing itself what
it points at (true) or inheriting what it points at from its
container (false). -->
<property name="primaryIndirection"
column="primary_indirection" type="boolean" />
<!-- Map of names to DirectoryEntries. -->
<map name="added" cascade="all">
<key column="directory_id" />
<map-key type="string" column="name" />
<!-- A DirectoryEntry is a (node)type AVMNode reference pair.
Should probably convert type into an integer code. -->
<composite-element class="DirectoryEntry">
<property name="type" column="type_name"
type="string" length="30" not-null="true" />
<many-to-one name="child"
class="AVMNodeBeanImpl" cascade="save-update"
not-null="true">
</many-to-one>
</composite-element>
</map>
<!-- This is just the set of names of children deleted (and therefore
hidden) in this layer. -->
<set name="deleted" table="deleted_children"
fetch="join" cascade="all">
<key column="directory_id" />
<element type="string" column="name" />
</set>
</subclass>
<!-- Just plain directories. -->
<subclass name="PlainDirectoryNodeBeanImpl"
discriminator-value="plaindirectory" proxy="PlainDirectoryNodeBean">
discriminator-value="plaindirectory" proxy="PlainDirectoryNodeBean" lazy="false">
<!-- For reference count based garbage collection of purged nodes
to work we need to specially mark the root directory of
a Repository as special so that its absence of parents will
not cause it to be vacuumed away. TODO: for ease of queries,
this probably wants to be in the base class. -->
<property name="isRoot" column="is_root" type="boolean"/>
to work we need to specially mark the root directory of
a Repository as special so that its absence of parents will
not cause it to be vacuumed away. TODO: for ease of queries,
this probably wants to be in the base class. -->
<property name="isRoot" column="is_root" type="boolean" />
<!-- A map of names to DirectoryEntries. In the AVM world, it makes sense
that nodes don't know there own names, only there containers do. -->
that nodes don't know there own names, only there containers do. -->
<map name="children" cascade="all">
<key column="directory_id"/>
<map-key type="string" column="name"/>
<composite-element class="org.alfresco.repo.avm.hibernate.DirectoryEntry">
<property name="type" type="string" not-null="true" length="30"
column="type_name"/>
<key column="directory_id" />
<map-key type="string" column="name" />
<composite-element
class="org.alfresco.repo.avm.hibernate.DirectoryEntry">
<property name="type" type="string"
not-null="true" length="30" column="type_name" />
<many-to-one name="child"
class="org.alfresco.repo.avm.hibernate.AVMNodeBeanImpl"
not-null="true" cascade="save-update">
@@ -115,19 +119,20 @@
<!-- There are two kinds of files, plain and symlinky. -->
<subclass name="FileNodeBeanImpl"
proxy="FileNodeBean"
abstract="true">
abstract="true"
lazy="false">
<!-- Plain files just have a reference to a Content object. -->
<subclass discriminator-value="plainfile"
name="PlainFileNodeBeanImpl"
proxy="PlainFileNodeBean">
name="PlainFileNodeBeanImpl" proxy="PlainFileNodeBean" lazy="false">
<many-to-one name="content" column="content_id"
class="ContentBeanImpl" fetch="join" cascade="save-update">
</many-to-one>
</subclass>
<!-- Layered files are almost exactly copy on write symlinks. -->
<subclass name="LayeredFileNodeBeanImpl"
discriminator-value="layeredfile" proxy="LayeredFileNodeBean">
<property name="indirection" type="string" length="511" column="indirection"/>
discriminator-value="layeredfile" proxy="LayeredFileNodeBean" lazy="false">
<property name="indirection" type="string" length="511"
column="indirection" />
</subclass>
</subclass>
</class>

35
source/java/org/alfresco/repo/avm/hibernate/BasicAttributesBeanImpl.java
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@@ -222,4 +222,39 @@ public class BasicAttributesBeanImpl implements BasicAttributesBean
{
return fAccessDate;
}
// TODO This is probably wrong.
/* (non-Javadoc)
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj)
{
if (this == obj)
{
return true;
}
if (fID == null)
{
return false;
}
if (!(obj instanceof BasicAttributesBean))
{
return false;
}
return fID == ((BasicAttributesBean)obj).getId();
}
/* (non-Javadoc)
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode()
{
if (fID == null)
{
return 0;
}
return fID.hashCode();
}
}

29
source/java/org/alfresco/repo/avm/hibernate/HibernateHelper.java
View File

@@ -30,6 +30,25 @@ public class HibernateHelper
static
{
Reset();
}
public static SessionFactory GetSessionFactory()
{
return fgFactory;
}
public static Configuration GetConfiguration()
{
return fgCfg;
}
public static void Reset()
{
if (fgFactory != null)
{
fgFactory.close();
}
try
{
fgCfg = new Configuration();
@@ -42,14 +61,4 @@ public class HibernateHelper
System.exit(1);
}
}
public static SessionFactory GetSessionFactory()
{
return fgFactory;
}
public static Configuration GetConfiguration()
{
return fgCfg;
}
}

4
source/java/org/alfresco/repo/avm/hibernate/TestPopulate.java
View File

@@ -77,8 +77,8 @@ public class TestPopulate extends TestCase
{
// Set up issuers.
Issuer nodeIssuer = new Issuer("node", 0, session);
Issuer contentIssuer = new Issuer("content", 0, session);
Issuer repositoryIssuer = new Issuer("repository", 0, session);
new Issuer("content", 0, session);
new Issuer("repository", 0, session);
// Make the initial root directory.
long time = System.currentTimeMillis();
BasicAttributesBean attrs = new BasicAttributesBeanImpl("britt",