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Posted to commits@directory.apache.org by ak...@apache.org on 2006/12/31 20:46:55 UTC

svn commit: r491471 [3/5] - in /directory/trunks: ./ apacheds/ apacheds/bootstrap-partition/ apacheds/bootstrap-partition/src/ apacheds/bootstrap-partition/src/main/ apacheds/bootstrap-partition/src/main/java/ apacheds/bootstrap-partition/src/main/java...

Modified: directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/ExpressionEnumerator.java
URL: http://svn.apache.org/viewvc/directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/ExpressionEnumerator.java?view=diff&rev=491471&r1=491470&r2=491471
==============================================================================
--- directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/ExpressionEnumerator.java (original)
+++ directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/ExpressionEnumerator.java Sun Dec 31 11:46:40 2006
@@ -26,7 +26,7 @@
 import javax.naming.NamingEnumeration;
 import javax.naming.NamingException;
 
-import org.apache.directory.server.core.schema.AttributeTypeRegistry;
+import org.apache.directory.server.schema.registries.AttributeTypeRegistry;
 import org.apache.directory.shared.ldap.NotImplementedException;
 import org.apache.directory.shared.ldap.filter.AssertionNode;
 import org.apache.directory.shared.ldap.filter.BranchNode;

Modified: directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/ExpressionEvaluator.java
URL: http://svn.apache.org/viewvc/directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/ExpressionEvaluator.java?view=diff&rev=491471&r1=491470&r2=491471
==============================================================================
--- directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/ExpressionEvaluator.java (original)
+++ directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/ExpressionEvaluator.java Sun Dec 31 11:46:40 2006
@@ -24,8 +24,8 @@
 
 import javax.naming.NamingException;
 
-import org.apache.directory.server.core.schema.AttributeTypeRegistry;
-import org.apache.directory.server.core.schema.OidRegistry;
+import org.apache.directory.server.schema.registries.AttributeTypeRegistry;
+import org.apache.directory.server.schema.registries.OidRegistry;
 import org.apache.directory.shared.ldap.filter.BranchNode;
 import org.apache.directory.shared.ldap.filter.ExprNode;
 

Modified: directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/LeafEvaluator.java
URL: http://svn.apache.org/viewvc/directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/LeafEvaluator.java?view=diff&rev=491471&r1=491470&r2=491471
==============================================================================
--- directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/LeafEvaluator.java (original)
+++ directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/LeafEvaluator.java Sun Dec 31 11:46:40 2006
@@ -29,8 +29,8 @@
 import javax.naming.directory.Attributes;
 
 import org.apache.directory.server.core.ServerUtils;
-import org.apache.directory.server.core.schema.AttributeTypeRegistry;
-import org.apache.directory.server.core.schema.OidRegistry;
+import org.apache.directory.server.schema.registries.AttributeTypeRegistry;
+import org.apache.directory.server.schema.registries.OidRegistry;
 import org.apache.directory.shared.ldap.NotImplementedException;
 import org.apache.directory.shared.ldap.filter.ExprNode;
 import org.apache.directory.shared.ldap.filter.LeafNode;

Modified: directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/SubstringEnumerator.java
URL: http://svn.apache.org/viewvc/directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/SubstringEnumerator.java?view=diff&rev=491471&r1=491470&r2=491471
==============================================================================
--- directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/SubstringEnumerator.java (original)
+++ directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/SubstringEnumerator.java Sun Dec 31 11:46:40 2006
@@ -26,7 +26,7 @@
 import javax.naming.NamingEnumeration;
 import javax.naming.NamingException;
 
-import org.apache.directory.server.core.schema.AttributeTypeRegistry;
+import org.apache.directory.server.schema.registries.AttributeTypeRegistry;
 import org.apache.directory.shared.ldap.filter.ExprNode;
 import org.apache.directory.shared.ldap.filter.SubstringNode;
 import org.apache.directory.shared.ldap.schema.AttributeType;

Modified: directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/SubstringEvaluator.java
URL: http://svn.apache.org/viewvc/directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/SubstringEvaluator.java?view=diff&rev=491471&r1=491470&r2=491471
==============================================================================
--- directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/SubstringEvaluator.java (original)
+++ directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/SubstringEvaluator.java Sun Dec 31 11:46:40 2006
@@ -28,8 +28,8 @@
 import javax.naming.directory.Attribute;
 import javax.naming.directory.Attributes;
 
-import org.apache.directory.server.core.schema.AttributeTypeRegistry;
-import org.apache.directory.server.core.schema.OidRegistry;
+import org.apache.directory.server.schema.registries.AttributeTypeRegistry;
+import org.apache.directory.server.schema.registries.OidRegistry;
 import org.apache.directory.shared.ldap.filter.ExprNode;
 import org.apache.directory.shared.ldap.filter.SubstringNode;
 import org.apache.directory.shared.ldap.schema.AttributeType;

Modified: directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/jdbm/JdbmPartition.java
URL: http://svn.apache.org/viewvc/directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/jdbm/JdbmPartition.java?view=diff&rev=491471&r1=491470&r2=491471
==============================================================================
--- directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/jdbm/JdbmPartition.java (original)
+++ directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/partition/impl/btree/jdbm/JdbmPartition.java Sun Dec 31 11:46:40 2006
@@ -21,51 +21,28 @@
 
 
 import java.io.File;
-import java.io.IOException;
 import java.math.BigInteger;
-import java.util.ArrayList;
-import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
-import java.util.Map;
 
 import javax.naming.NamingEnumeration;
 import javax.naming.NamingException;
-import javax.naming.directory.Attribute;
 import javax.naming.directory.Attributes;
-import javax.naming.directory.DirContext;
 import javax.naming.directory.ModificationItem;
 
-import jdbm.RecordManager;
-import jdbm.helper.MRU;
-import jdbm.recman.BaseRecordManager;
-import jdbm.recman.CacheRecordManager;
-
 import org.apache.directory.server.core.DirectoryServiceConfiguration;
-import org.apache.directory.server.core.ServerUtils;
 import org.apache.directory.server.core.configuration.PartitionConfiguration;
 import org.apache.directory.server.core.partition.Partition;
 import org.apache.directory.server.core.partition.impl.btree.BTreePartition;
 import org.apache.directory.server.core.partition.impl.btree.BTreePartitionConfiguration;
 import org.apache.directory.server.core.partition.impl.btree.Index;
-import org.apache.directory.server.core.partition.impl.btree.IndexAssertion;
-import org.apache.directory.server.core.partition.impl.btree.IndexAssertionEnumeration;
 import org.apache.directory.server.core.partition.impl.btree.IndexNotFoundException;
-import org.apache.directory.server.core.partition.impl.btree.IndexRecord;
-import org.apache.directory.server.core.partition.impl.btree.MutableBTreePartitionConfiguration;
+import org.apache.directory.server.schema.registries.Registries;
 
 import org.apache.directory.shared.ldap.exception.LdapAuthenticationNotSupportedException;
-import org.apache.directory.shared.ldap.exception.LdapNameNotFoundException;
-import org.apache.directory.shared.ldap.exception.LdapSchemaViolationException;
-import org.apache.directory.shared.ldap.message.LockableAttributeImpl;
-import org.apache.directory.shared.ldap.message.LockableAttributesImpl;
 import org.apache.directory.shared.ldap.message.ResultCodeEnum;
 import org.apache.directory.shared.ldap.name.LdapDN;
 import org.apache.directory.shared.ldap.schema.AttributeType;
-import org.apache.directory.shared.ldap.util.NamespaceTools;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 
 /**
@@ -77,44 +54,7 @@
  */
 public class JdbmPartition extends BTreePartition
 {
-    private static final Logger log = LoggerFactory.getLogger( JdbmPartition.class );
-
-    /** the JDBM record manager used by this database */
-    private RecordManager recMan;
-    /** the normalized suffix DN of this backend database */
-    private LdapDN normSuffix;
-    /** the user provided suffix DN of this backend database */
-    private LdapDN upSuffix;
-    /** the working directory to use for files */
-    private File workingDirectory;
-    /** the master table storing entries by primary key */
-    private JdbmMasterTable master;
-    /** a map of attribute names to user indices */
-    private Map<String, Index> indices;
-    /** a map of index names to system indices */
-    private Map<String, Index> sysIndices;
-
-    /** true if open */
-    private boolean initialized;
-
-    /** the normalized distinguished name index */
-    private Index ndnIdx;
-    /** the user provided distinguished name index */
-    private Index updnIdx;
-    /** the attribute existance index */
-    private Index existanceIdx;
-    /** the parent child relationship index */
-    private Index hierarchyIdx;
-    /** the one level scope alias index */
-    private Index oneAliasIdx;
-    /** the subtree scope alias index */
-    private Index subAliasIdx;
-    /** a system index on aliasedObjectName attribute */
-    private Index aliasIdx;
-    
-    private static AttributeType OBJECT_CLASS_AT;
-    private static AttributeType ALIAS_AT;
-    
+    private JdbmStore store;
 
     // ------------------------------------------------------------------------
     // C O N S T R U C T O R S
@@ -125,200 +65,67 @@
      */
     public JdbmPartition()
     {
+        store = new JdbmStore();
     }
 
+    
+    protected void initRegistries1( Registries registries ) 
+    {
+        super.initRegistries1( registries );
+        store.initRegistries( registries );
+    }
+    
 
-    public synchronized void init( DirectoryServiceConfiguration factoryCfg, PartitionConfiguration cfg )
+    public final void init( DirectoryServiceConfiguration factoryCfg, PartitionConfiguration cfg )
         throws NamingException
     {
+        // setup optimizer and registries for parent
+        initOptimizer0( cfg );
+        initRegistries1( factoryCfg.getRegistries() );
+        
+        // initialize the store
+        JdbmStoreConfiguration storeConfig = new JdbmStoreConfiguration();
+        storeConfig.setAttributeTypeRegistry( attributeTypeRegistry );
+        storeConfig.setCacheSize( cfg.getCacheSize() );
+        storeConfig.setContextEntry( cfg.getContextEntry() );
+        storeConfig.setIndexedAttributes( cfg.getIndexedAttributes() );
+        storeConfig.setName( cfg.getName() );
+        storeConfig.setOidRegistry( oidRegistry );
+        storeConfig.setSuffixDn( cfg.getSuffix() );
+        
+        storeConfig.setWorkingDirectory( new File( 
+            factoryCfg.getStartupConfiguration().getWorkingDirectory().getPath()
+            + File.separator + cfg.getName() ) );
+        
         if ( cfg instanceof BTreePartitionConfiguration )
         {
-            btpConfig = ( BTreePartitionConfiguration ) cfg;
-        }
-        else
-        {
-            btpConfig = MutableBTreePartitionConfiguration.getConfiguration( cfg );
+            storeConfig.setSyncOnWrite( ( ( BTreePartitionConfiguration ) cfg ).isSynchOnWrite() );
         }
         
-        oidRegistry = factoryCfg.getGlobalRegistries().getOidRegistry();
-        attributeTypeRegistry = factoryCfg.getGlobalRegistries().getAttributeTypeRegistry();
-
-        OBJECT_CLASS_AT = attributeTypeRegistry.lookup( "objectClass" );
-        ALIAS_AT = attributeTypeRegistry.lookup( Partition.ALIAS_ATTRIBUTE );
-        
-        this.upSuffix = new LdapDN( cfg.getSuffix() );
-        this.normSuffix = LdapDN.normalize( upSuffix, attributeTypeRegistry.getNormalizerMapping() );
-
-        File workingDirectory = new File( factoryCfg.getStartupConfiguration().getWorkingDirectory().getPath()
-            + File.separator + cfg.getName() );
-
-        workingDirectory.mkdirs();
-
-        this.workingDirectory = workingDirectory;
-
-        try
-        {
-            String path = workingDirectory.getPath() + File.separator + "master";
-            BaseRecordManager base = new BaseRecordManager( path );
-            base.disableTransactions();
-            
-            int cacheSize = cfg.getCacheSize();
-            if ( cacheSize < 0 )
-            {
-                cacheSize = PartitionConfiguration.DEFAULT_CACHE_SIZE;
-                log.warn( "Using the default entry cache size of {} for {} partition", 
-                    new Integer( cacheSize ), cfg.getName() );
-            }
-            else
-            {
-                log.info( "Using the custom configured cache size of {} for {} partition", 
-                    new Integer( cacheSize ), cfg.getName() );
-            }
-            recMan = new CacheRecordManager( base, new MRU( cacheSize ) );
-        }
-        catch ( IOException e )
+        if ( cfg instanceof BTreePartitionConfiguration )
         {
-            NamingException ne = new NamingException( "Could not initialize RecordManager" );
-            ne.setRootCause( e );
-            throw ne;
+            storeConfig.setEnableOptimizer( ( ( BTreePartitionConfiguration ) cfg ).isOptimizerEnabled() );
         }
-
-        master = new JdbmMasterTable( recMan );
-        indices = new HashMap<String,Index>();
-        sysIndices = new HashMap<String,Index>();
-
-        super.init( factoryCfg, cfg );
-        initialized = true;
+        
+        store.init( storeConfig );
     }
 
 
-    public synchronized void destroy()
+    public final void destroy()
     {
-        if ( !initialized )
-        {
-            return;
-        }
-
-        List<Index> array = new ArrayList<Index>();
-        array.addAll( indices.values() );
-
-        if ( null != ndnIdx )
-        {
-            array.add( ndnIdx );
-        }
-
-        if ( null != updnIdx )
-        {
-            array.add( updnIdx );
-        }
-
-        if ( null != aliasIdx )
-        {
-            array.add( aliasIdx );
-        }
-
-        if ( null != oneAliasIdx )
-        {
-            array.add( oneAliasIdx );
-        }
-
-        if ( null != subAliasIdx )
-        {
-            array.add( subAliasIdx );
-        }
-
-        if ( null != hierarchyIdx )
-        {
-            array.add( hierarchyIdx );
-        }
-
-        if ( null != existanceIdx )
-        {
-            array.add( existanceIdx );
-        }
-
-        Iterator list = array.iterator();
-
-        while ( list.hasNext() )
-        {
-            Index index = ( Index ) list.next();
-
-            try
-            {
-                index.close();
-            }
-            catch ( Throwable t )
-            {
-                log.error( "Failed to close an index.", t );
-            }
-        }
-
-        try
-        {
-            master.close();
-        }
-        catch ( Throwable t )
-        {
-            log.error( "Failed to close the master.", t );
-        }
-
-        try
-        {
-            recMan.close();
-        }
-        catch ( Throwable t )
-        {
-            log.error( "Failed to close the record manager", t );
-        }
-
-        initialized = false;
+        store.destroy();
     }
 
 
-    public boolean isInitialized()
+    public final boolean isInitialized()
     {
-        return initialized;
+        return store.isInitialized();
     }
 
 
-    public synchronized void sync() throws NamingException
+    public final void sync() throws NamingException
     {
-        if ( !initialized )
-        {
-            return;
-        }
-
-        List<Index> array = new ArrayList<Index>();
-        array.addAll( indices.values() );
-        array.add( ndnIdx );
-        array.add( updnIdx );
-        array.add( aliasIdx );
-        array.add( oneAliasIdx );
-        array.add( subAliasIdx );
-        array.add( hierarchyIdx );
-        array.add( existanceIdx );
-
-        Iterator list = array.iterator();
-
-        // Sync all user defined indices
-        while ( list.hasNext() )
-        {
-            Index idx = ( Index ) list.next();
-
-            idx.sync();
-        }
-
-        master.sync();
-
-        try
-        {
-            recMan.commit();
-        }
-        catch ( Throwable t )
-        {
-            throw ( NamingException ) new NamingException( "Failed to commit changes to the record manager." )
-                .initCause( t );
-        }
+        store.sync();
     }
 
 
@@ -326,1360 +133,276 @@
     // I N D E X   M E T H O D S
     // ------------------------------------------------------------------------
 
-    public void addIndexOn( AttributeType spec, int cacheSize, int numDupLimit ) throws NamingException
+    public final void addIndexOn( AttributeType spec, int cacheSize, int numDupLimit ) throws NamingException
     {
-        Index idx = new JdbmIndex( spec, workingDirectory, cacheSize, numDupLimit );
-        indices.put( spec.getOid(), idx );
+        store.addIndexOn( spec, cacheSize, numDupLimit );
     }
 
 
-    public Index getExistanceIndex()
+    public final Index getExistanceIndex()
     {
-        return existanceIdx;
+        return store.getExistanceIndex();
     }
 
 
-    public void setExistanceIndexOn( AttributeType attrType, int cacheSize, int numDupLimit ) throws NamingException
+    public final void setExistanceIndexOn( AttributeType attrType, int cacheSize, int numDupLimit ) throws NamingException
     {
-        if ( existanceIdx != null )
-        {
-            NamingException e = new NamingException( "Index already set!" );
-            throw e;
-        }
-
-        existanceIdx = new JdbmIndex( attrType, workingDirectory, cacheSize, numDupLimit );
-        sysIndices.put( attrType.getOid(), existanceIdx );
+        store.setExistanceIndexOn( attrType, cacheSize, numDupLimit );
     }
 
 
-    public Index getHierarchyIndex()
+    public final Index getHierarchyIndex()
     {
-        return hierarchyIdx;
+        return store.getHierarchyIndex();
     }
 
 
-    public void setHierarchyIndexOn( AttributeType attrType, int cacheSize, int numDupLimit ) throws NamingException
+    public final void setHierarchyIndexOn( AttributeType attrType, int cacheSize, int numDupLimit ) throws NamingException
     {
-        if ( hierarchyIdx != null )
-        {
-            NamingException e = new NamingException( "Index already set!" );
-            throw e;
-        }
-
-        hierarchyIdx = new JdbmIndex( attrType, workingDirectory, cacheSize, numDupLimit );
-        sysIndices.put( attrType.getOid(), hierarchyIdx );
+        store.setHierarchyIndexOn( attrType, cacheSize, numDupLimit );
     }
 
 
-    public Index getAliasIndex()
+    public final Index getAliasIndex()
     {
-        return aliasIdx;
+        return store.getAliasIndex();
     }
 
 
-    public void setAliasIndexOn( AttributeType attrType, int cacheSize, int numDupLimit ) throws NamingException
+    public final void setAliasIndexOn( AttributeType attrType, int cacheSize, int numDupLimit ) throws NamingException
     {
-        if ( aliasIdx != null )
-        {
-            NamingException e = new NamingException( "Index already set!" );
-            throw e;
-        }
-
-        aliasIdx = new JdbmIndex( attrType, workingDirectory, cacheSize, numDupLimit );
-        sysIndices.put( attrType.getOid(), aliasIdx );
+        store.setAliasIndexOn( attrType, cacheSize, numDupLimit );
     }
 
 
-    public Index getOneAliasIndex()
+    public final Index getOneAliasIndex()
     {
-        return oneAliasIdx;
+        return store.getOneAliasIndex();
     }
 
 
-    public void setOneAliasIndexOn( AttributeType attrType, int cacheSize, int numDupLimit ) throws NamingException
+    public final void setOneAliasIndexOn( AttributeType attrType, int cacheSize, int numDupLimit ) throws NamingException
     {
-        if ( oneAliasIdx != null )
-        {
-            NamingException e = new NamingException( "Index already set!" );
-            throw e;
-        }
-
-        oneAliasIdx = new JdbmIndex( attrType, workingDirectory, cacheSize, numDupLimit );
-        sysIndices.put( attrType.getOid(), oneAliasIdx );
+        store.setOneAliasIndexOn( attrType, cacheSize, numDupLimit );
     }
 
 
-    public Index getSubAliasIndex()
+    public final Index getSubAliasIndex()
     {
-        return subAliasIdx;
+        return store.getSubAliasIndex();
     }
 
 
-    public void setSubAliasIndexOn( AttributeType attrType, int cacheSize, int numDupLimit ) throws NamingException
+    public final void setSubAliasIndexOn( AttributeType attrType, int cacheSize, int numDupLimit ) throws NamingException
     {
-        if ( subAliasIdx != null )
-        {
-            NamingException e = new NamingException( "Index already set!" );
-            throw e;
-        }
-
-        subAliasIdx = new JdbmIndex( attrType, workingDirectory, cacheSize, numDupLimit );
-        sysIndices.put( attrType.getOid(), subAliasIdx );
+        store.setSubAliasIndexOn( attrType, cacheSize, numDupLimit );
     }
 
 
-    public Index getUpdnIndex()
+    public final Index getUpdnIndex()
     {
-        return updnIdx;
+        return store.getUpdnIndex();
     }
 
 
-    public void setUpdnIndexOn( AttributeType attrType, int cacheSize, int numDupLimit ) throws NamingException
+    public final void setUpdnIndexOn( AttributeType attrType, int cacheSize, int numDupLimit ) throws NamingException
     {
-        if ( updnIdx != null )
-        {
-            NamingException e = new NamingException( "Index already set!" );
-            throw e;
-        }
-
-        updnIdx = new JdbmIndex( attrType, workingDirectory, cacheSize, numDupLimit );
-        sysIndices.put( attrType.getOid(), updnIdx );
+        store.setUpdnIndexOn( attrType, cacheSize, numDupLimit );
     }
 
 
-    public Index getNdnIndex()
+    public final Index getNdnIndex()
     {
-        return ndnIdx;
+        return store.getNdnIndex();
     }
 
 
-    public void setNdnIndexOn( AttributeType attrType, int cacheSize, int numDupLimit ) throws NamingException
+    public final void setNdnIndexOn( AttributeType attrType, int cacheSize, int numDupLimit ) throws NamingException
     {
-        if ( ndnIdx != null )
-        {
-            NamingException e = new NamingException( "Index already set!" );
-            throw e;
-        }
-
-        ndnIdx = new JdbmIndex( attrType, workingDirectory, cacheSize, numDupLimit );
-        sysIndices.put( attrType.getOid(), ndnIdx );
+        store.setNdnIndexOn( attrType, cacheSize, numDupLimit );
     }
 
 
-    public Iterator getUserIndices()
+    public final Iterator getUserIndices()
     {
-        return indices.keySet().iterator();
+        return store.getUserIndices();
     }
 
 
-    public Iterator getSystemIndices()
+    public final Iterator getSystemIndices()
     {
-        return sysIndices.keySet().iterator();
+        return store.getSystemIndices();
     }
 
 
-    public boolean hasUserIndexOn( String id ) throws NamingException
+    public final boolean hasUserIndexOn( String id ) throws NamingException
     {
-        return indices.containsKey( oidRegistry.getOid( id ) );
+        return store.hasUserIndexOn( id );
     }
 
 
-    public boolean hasSystemIndexOn( String id ) throws NamingException
+    public final boolean hasSystemIndexOn( String id ) throws NamingException
     {
-        return sysIndices.containsKey( oidRegistry.getOid( id ) );
+        return store.hasSystemIndexOn( id );
     }
 
 
     /**
      * @see org.apache.directory.server.core.partition.impl.btree.BTreePartition#getUserIndex(String)
      */
-    public Index getUserIndex( String id ) throws IndexNotFoundException
+    public final Index getUserIndex( String id ) throws IndexNotFoundException
     {
-        try
-        {
-            id = oidRegistry.getOid( id );
-        }
-        catch ( NamingException e )
-        {
-            log.error( "Failed to identify OID for: " + id, e );
-            throw new IndexNotFoundException( "Failed to identify OID for: " + id, id, e );
-        }
-
-        if ( indices.containsKey( id ) )
-        {
-            return ( Index ) indices.get( id );
-        }
-        else
-        {
-            String name = "unknown";
-            try
-            {
-                name = oidRegistry.getPrimaryName( id );
-            }
-            catch ( NamingException e )
-            {
-                String msg = "Failed to resolve primary name for " + id + " in user index lookup";
-                log.error( msg, e );
-                throw new IndexNotFoundException( msg, id, e );
-            }
-            
-            throw new IndexNotFoundException( "A user index on attribute " + id + " (" 
-                + name + ") does not exist!" );
-        }
+        return store.getUserIndex( id );
     }
 
 
     /**
      * @see BTreePartition#getEntryId(String)
      */
-    public Index getSystemIndex( String id ) throws IndexNotFoundException
-    {
-        try
-        {
-            id = oidRegistry.getOid( id );
-        }
-        catch ( NamingException e )
-        {
-            log.error( "Failed to identify OID for: " + id, e );
-            throw new IndexNotFoundException( "Failed to identify OID for: " + id, id, e );
-        }
-
-
-        if ( sysIndices.containsKey( id ) )
-        {
-            return ( Index ) sysIndices.get( id );
-        }
-        else
-        {
-            String name = "unknown";
-            try
-            {
-                name = oidRegistry.getPrimaryName( id );
-            }
-            catch ( NamingException e )
-            {
-                String msg = "Failed to resolve primary name for " + id + " in user index lookup";
-                log.error( msg, e );
-                throw new IndexNotFoundException( msg, id, e );
-            }
-            
-            throw new IndexNotFoundException( "A system index on attribute " + id + " (" 
-                + name + ") does not exist!" );
-        }
-    }
-
-
-    public BigInteger getEntryId( String dn ) throws NamingException
+    public final Index getSystemIndex( String id ) throws IndexNotFoundException
     {
-        return ndnIdx.forwardLookup( dn );
+        return store.getSystemIndex( id );
     }
 
 
-    public String getEntryDn( BigInteger id ) throws NamingException
+    public final BigInteger getEntryId( String dn ) throws NamingException
     {
-        return ( String ) ndnIdx.reverseLookup( id );
+        return store.getEntryId( dn );
     }
 
 
-    public BigInteger getParentId( String dn ) throws NamingException
+    public final String getEntryDn( BigInteger id ) throws NamingException
     {
-        BigInteger childId = ndnIdx.forwardLookup( dn );
-        return ( BigInteger ) hierarchyIdx.reverseLookup( childId );
+        return store.getEntryDn( id );
     }
 
 
-    public BigInteger getParentId( BigInteger childId ) throws NamingException
+    public final BigInteger getParentId( String dn ) throws NamingException
     {
-        return ( BigInteger ) hierarchyIdx.reverseLookup( childId );
+        return store.getParentId( dn );
     }
 
 
-    public String getEntryUpdn( BigInteger id ) throws NamingException
+    public final BigInteger getParentId( BigInteger childId ) throws NamingException
     {
-        return ( String ) updnIdx.reverseLookup( id );
+        return store.getParentId( childId );
     }
 
 
-    public String getEntryUpdn( String dn ) throws NamingException
+    public final String getEntryUpdn( BigInteger id ) throws NamingException
     {
-        BigInteger id = ndnIdx.forwardLookup( dn );
-        return ( String ) updnIdx.reverseLookup( id );
+        return store.getEntryUpdn( id );
     }
 
 
-    public int count() throws NamingException
+    public final String getEntryUpdn( String dn ) throws NamingException
     {
-        return master.count();
+        return getEntryUpdn( dn );
     }
 
 
-    /**
-     * Removes the index entries for an alias before the entry is deleted from
-     * the master table.
-     * 
-     * @todo Optimize this by walking the hierarchy index instead of the name 
-     * @param aliasId the id of the alias entry in the master table
-     * @throws NamingException if we cannot delete the indices
-     */
-    private void dropAliasIndices( BigInteger aliasId ) throws NamingException
+    public final int count() throws NamingException
     {
-        String targetDn = ( String ) aliasIdx.reverseLookup( aliasId );
-        BigInteger targetId = getEntryId( targetDn );
-        String aliasDn = getEntryDn( aliasId );
-        LdapDN ancestorDn = ( LdapDN ) new LdapDN( aliasDn ).getPrefix( 1 );
-        BigInteger ancestorId = getEntryId( ancestorDn.toString() );
-
-        /*
-         * We cannot just drop all tuples in the one level and subtree indices
-         * linking baseIds to the targetId.  If more than one alias refers to
-         * the target then droping all tuples with a value of targetId would
-         * make all other aliases to the target inconsistent.
-         * 
-         * We need to walk up the path of alias ancestors until we reach the 
-         * upSuffix, deleting each ( ancestorId, targetId ) tuple in the
-         * subtree scope alias.  We only need to do this for the direct parent
-         * of the alias on the one level subtree.
-         */
-        oneAliasIdx.drop( ancestorId, targetId );
-        subAliasIdx.drop( ancestorId, targetId );
-
-        while ( !ancestorDn.equals( normSuffix ) )
-        {
-            ancestorDn = ( LdapDN ) ancestorDn.getPrefix( 1 );
-            ancestorId = getEntryId( ancestorDn.toString() );
-
-            subAliasIdx.drop( ancestorId, targetId );
-        }
-
-        // Drops all alias tuples pointing to the id of the alias to be deleted
-        aliasIdx.drop( aliasId );
-    }
-
-
-    /**
-     * Adds indices for an aliasEntry to be added to the database while checking
-     * for constrained alias constructs like alias cycles and chaining.
-     * 
-     * @param aliasDn normalized distinguished name for the alias entry
-     * @param aliasTarget the user provided aliased entry dn as a string
-     * @param aliasId the id of alias entry to add
-     * @throws NamingException if index addition fails, of the alias is not 
-     * allowed due to chaining or cycle formation.
-     */
-    private void addAliasIndices( BigInteger aliasId, LdapDN aliasDn, String aliasTarget ) throws NamingException
-    {
-        LdapDN normalizedAliasTargetDn = null; // Name value of aliasedObjectName
-        BigInteger targetId = null; // Id of the aliasedObjectName
-        LdapDN ancestorDn = null; // Name of an alias entry relative
-        BigInteger ancestorId = null; // Id of an alias entry relative
-
-        // Access aliasedObjectName, normalize it and generate the Name 
-        normalizedAliasTargetDn = new LdapDN( aliasTarget );
-        normalizedAliasTargetDn.normalize( attributeTypeRegistry.getNormalizerMapping() );
-
-        /*
-         * Check For Cycles
-         * 
-         * Before wasting time to lookup more values we check using the target
-         * dn to see if we have the possible formation of an alias cycle.  This
-         * happens when the alias refers back to a target that is also a 
-         * relative of the alias entry.  For detection we test if the aliased
-         * entry Dn starts with the target Dn.  If it does then we know the 
-         * aliased target is a relative and we have a perspecitive cycle.
-         */
-        if ( aliasDn.startsWith( normalizedAliasTargetDn ) )
-        {
-            if ( aliasDn.equals( normalizedAliasTargetDn ) )
-            {
-                throw new NamingException( "[36] aliasDereferencingProblem - " + "attempt to create alias to itself." );
-            }
-
-            throw new NamingException( "[36] aliasDereferencingProblem - "
-                + "attempt to create alias with cycle to relative " + aliasTarget
-                + " not allowed from descendent alias " + aliasDn );
-        }
-
-        /*
-         * Check For Aliases External To Naming Context
-         * 
-         * id may be null but the alias may be to a valid entry in 
-         * another namingContext.  Such aliases are not allowed and we
-         * need to point it out to the user instead of saying the target
-         * does not exist when it potentially could outside of this upSuffix.
-         */
-        if ( !normalizedAliasTargetDn.startsWith( normSuffix ) )
-        {
-            // Complain specifically about aliases to outside naming contexts
-            throw new NamingException( "[36] aliasDereferencingProblem -"
-                + " the alias points to an entry outside of the " + upSuffix.getUpName()
-                + " namingContext to an object whose existance cannot be" + " determined." );
-        }
-
-        // L O O K U P   T A R G E T   I D
-        targetId = ndnIdx.forwardLookup( normalizedAliasTargetDn.toNormName() );
-
-        /*
-         * Check For Target Existance
-         * 
-         * We do not allow the creation of inconsistant aliases.  Aliases should
-         * not be broken links.  If the target does not exist we start screaming
-         */
-        if ( null == targetId )
-        {
-            // Complain about target not existing
-            throw new NamingException( "[33] aliasProblem - "
-                + "the alias when dereferenced would not name a known object "
-                + "the aliasedObjectName must be set to a valid existing " + "entry." );
-        }
-
-        /*
-         * Detect Direct Alias Chain Creation
-         * 
-         * Rather than resusitate the target to test if it is an alias and fail
-         * due to chaing creation we use the alias index to determine if the
-         * target is an alias.  Hence if the alias we are about to create points
-         * to another alias as its target in the aliasedObjectName attribute, 
-         * then we have a situation where an alias chain is being created.  
-         * Alias chaining is not allowed so we throw and exception. 
-         */
-        if ( null != aliasIdx.reverseLookup( targetId ) )
-        {
-            // Complain about illegal alias chain
-            throw new NamingException( "[36] aliasDereferencingProblem -"
-                + " the alias points to another alias.  Alias chaining is" + " not supported by this backend." );
-        }
-
-        // Add the alias to the simple alias index
-        aliasIdx.add( normalizedAliasTargetDn.getNormName(), aliasId );
-
-        /*
-         * Handle One Level Scope Alias Index
-         * 
-         * The first relative is special with respect to the one level alias
-         * index.  If the target is not a sibling of the alias then we add the
-         * index entry maping the parent's id to the aliased target id.
-         */
-        ancestorDn = ( LdapDN ) aliasDn.clone();
-        ancestorDn.remove( aliasDn.size() - 1 );
-        ancestorId = getEntryId( ancestorDn.toNormName() );
-
-        if ( !NamespaceTools.isSibling( normalizedAliasTargetDn, aliasDn ) )
-        {
-            oneAliasIdx.add( ancestorId, targetId );
-        }
-
-        /*
-         * Handle Sub Level Scope Alias Index
-         * 
-         * Walk the list of relatives from the parents up to the upSuffix, testing
-         * to see if the alias' target is a descendant of the relative.  If the
-         * alias target is not a descentant of the relative it extends the scope
-         * and is added to the sub tree scope alias index.  The upSuffix node is
-         * ignored since everything is under its scope.  The first loop 
-         * iteration shall handle the parents.
-         */
-        while ( !ancestorDn.equals( normSuffix ) && null != ancestorId )
-        {
-            if ( !NamespaceTools.isDescendant( ancestorDn, normalizedAliasTargetDn ) )
-            {
-                subAliasIdx.add( ancestorId, targetId );
-            }
-
-            ancestorDn.remove( ancestorDn.size() - 1 );
-            ancestorId = getEntryId( ancestorDn.toNormName() );
-        }
+        return store.count();
     }
 
     
-    public void add( LdapDN normName, Attributes entry ) throws NamingException
+    public final void add( LdapDN normName, Attributes entry ) throws NamingException
     {
-        BigInteger id;
-        BigInteger parentId = null;
-
-        id = master.getNextId();
-
-        //
-        // Suffix entry cannot have a parent since it is the root so it is 
-        // capped off using the zero value which no entry can have since 
-        // entry sequences start at 1.
-        //
-
-        LdapDN parentDn = null;
-        if ( normName.equals( normSuffix ) )
-        {
-            parentId = BigInteger.ZERO;
-        }
-        else
-        {
-            parentDn = ( LdapDN ) normName.clone();
-            parentDn.remove( parentDn.size() - 1 );
-            parentId = getEntryId( parentDn.toString() );
-        }
-
-        // don't keep going if we cannot find the parent Id
-        if ( parentId == null )
-        {
-            throw new LdapNameNotFoundException( "Id for parent '" + parentDn + "' not found!" );
-        }
-
-        Attribute objectClass = ServerUtils.getAttribute( OBJECT_CLASS_AT, entry );
-
-        if ( objectClass == null )
-        {
-            String msg = "Entry " + normName.getUpName() + " contains no objectClass attribute: " + entry;
-            throw new LdapSchemaViolationException( msg, ResultCodeEnum.OBJECT_CLASS_VIOLATION );
-        }
-
-        // Start adding the system indices
-        // Why bother doing a lookup if this is not an alias.
-
-        if ( objectClass.contains( Partition.ALIAS_OBJECT ) )
-        {
-            Attribute aliasAttr = ServerUtils.getAttribute( ALIAS_AT, entry );
-            addAliasIndices( id, normName, ( String ) aliasAttr.get() );
-        }
-
-        ndnIdx.add( normName.toNormName(), id );
-        updnIdx.add( normName.getUpName(), id );
-        hierarchyIdx.add( parentId, id );
-
-        // Now work on the user defined indices
-        NamingEnumeration list = entry.getIDs();
-        while ( list.hasMore() )
-        {
-            String attributeId = ( String ) list.next();
-            String attributeOid = oidRegistry.getOid( attributeId );
-
-            if ( hasUserIndexOn( attributeOid ) )
-            {
-                Index idx = getUserIndex( attributeOid );
-                
-                // here lookup by attributeId is ok since we got attributeId from 
-                // the entry via the enumeration - it's in there as is for sure
-                NamingEnumeration values = entry.get( attributeId ).getAll();
-
-                while ( values.hasMore() )
-                {
-                    idx.add( values.next(), id );
-                }
-
-                // Adds only those attributes that are indexed
-                existanceIdx.add( attributeOid, id );
-            }
-        }
-
-        master.put( entry, id );
-        
-        if ( btpConfig.isSynchOnWrite() )
-        {
-            sync();
-        }
+        store.add( normName, entry );
     }
 
 
-    public Attributes lookup( BigInteger id ) throws NamingException
+    public final Attributes lookup( BigInteger id ) throws NamingException
     {
-        return master.get( id );
+        return store.lookup( id );
     }
 
 
-    public void delete( BigInteger id ) throws NamingException
+    public final void delete( BigInteger id ) throws NamingException
     {
-        Attributes entry = lookup( id );
-        BigInteger parentId = getParentId( id );
-        NamingEnumeration attrs = entry.getIDs();
-
-        Attribute objectClass = ServerUtils.getAttribute( OBJECT_CLASS_AT, entry );
-        if ( objectClass.contains( Partition.ALIAS_OBJECT ) )
-        {
-            dropAliasIndices( id );
-        }
-
-        ndnIdx.drop( id );
-        updnIdx.drop( id );
-        hierarchyIdx.drop( id );
-
-        // Remove parent's reference to entry only if entry is not the upSuffix
-        if ( !parentId.equals( BigInteger.ZERO ) )
-        {
-            hierarchyIdx.drop( parentId, id );
-        }
-
-        while ( attrs.hasMore() )
-        {
-            String attributeId = ( ( String ) attrs.next() );
-            String attributeOid = oidRegistry.getOid( attributeId );
-
-            if ( hasUserIndexOn( attributeOid ) )
-            {
-                Index index = getUserIndex( attributeOid );
-
-                // here lookup by attributeId is ok since we got attributeId from 
-                // the entry via the enumeration - it's in there as is for sure
-                NamingEnumeration values = entry.get( attributeId ).getAll();
-
-                while ( values.hasMore() )
-                {
-                    index.drop( values.next(), id );
-                }
-
-                existanceIdx.drop( attributeOid, id );
-            }
-        }
-
-        master.delete( id );
-        
-        if ( btpConfig.isSynchOnWrite() )
-        {
-            sync();
-        }
-    }
-
-
-    public NamingEnumeration list( BigInteger id ) throws NamingException
-    {
-        return hierarchyIdx.listIndices( id );
-    }
-
-
-    public int getChildCount( BigInteger id ) throws NamingException
-    {
-        return hierarchyIdx.count( id );
-    }
-
-
-    public LdapDN getSuffix()
-    {
-        return normSuffix;
-    }
-
-    public LdapDN getUpSuffix()
-    {
-        return upSuffix;
+        store.delete( id );
     }
 
 
-    public Attributes getSuffixEntry() throws NamingException
+    public final NamingEnumeration list( BigInteger id ) throws NamingException
     {
-        BigInteger id = getEntryId( normSuffix.toNormName() );
-
-        if ( null == id )
-        {
-            return null;
-        }
-
-        return lookup( id );
-    }
-
-
-    public void setProperty( String propertyName, String propertyValue ) throws NamingException
-    {
-        master.setProperty( propertyName, propertyValue );
-    }
-
-
-    public String getProperty( String propertyName ) throws NamingException
-    {
-        return master.getProperty( propertyName );
-    }
-
-
-    public Attributes getIndices( BigInteger id ) throws NamingException
-    {
-        Attributes attributes = new LockableAttributesImpl();
-
-        // Get the distinguishedName to id mapping
-        attributes.put( "_nDn", getEntryDn( id ) );
-        attributes.put( "_upDn", getEntryUpdn( id ) );
-        attributes.put( "_parent", getParentId( id ) );
-
-        // Get all standard index attribute to value mappings
-        Iterator idxList = this.indices.values().iterator();
-        while ( idxList.hasNext() )
-        {
-            Index index = ( Index ) idxList.next();
-            NamingEnumeration list = index.listReverseIndices( id );
-            while ( list.hasMore() )
-            {
-                IndexRecord rec = ( IndexRecord ) list.next();
-                Object val = rec.getIndexKey();
-                String attrId = index.getAttribute().getName();
-                Attribute attr = attributes.get( attrId );
-                if ( attr == null )
-                {
-                    attr = new LockableAttributeImpl( attrId );
-                }
-                attr.add( val );
-                attributes.put( attr );
-            }
-        }
-
-        // Get all existance mappings for this id creating a special key
-        // that looks like so 'existance[attribute]' and the value is set to id
-        NamingEnumeration list = existanceIdx.listReverseIndices( id );
-        StringBuffer val = new StringBuffer();
-        while ( list.hasMore() )
-        {
-            IndexRecord rec = ( IndexRecord ) list.next();
-            val.append( "_existance[" );
-            val.append( rec.getIndexKey() );
-            val.append( "]" );
-
-            String valStr = val.toString();
-            Attribute attr = attributes.get( valStr );
-            if ( attr == null )
-            {
-                attr = new LockableAttributeImpl( valStr );
-            }
-            attr.add( rec.getEntryId() );
-            attributes.put( attr );
-            val.setLength( 0 );
-        }
-
-        // Get all parent child mappings for this entry as the parent using the
-        // key 'child' with many entries following it.
-        list = hierarchyIdx.listIndices( id );
-        Attribute childAttr = new LockableAttributeImpl( "_child" );
-        attributes.put( childAttr );
-        while ( list.hasMore() )
-        {
-            IndexRecord rec = ( IndexRecord ) list.next();
-            childAttr.add( rec.getEntryId() );
-        }
-
-        return attributes;
+        return store.list( id );
     }
 
 
-    /**
-     * Adds a set of attribute values while affecting the appropriate indices. 
-     * The entry is not persisted: it is only changed in anticipation for a put 
-     * into the master table.
-     *
-     * @param id the primary key of the entry
-     * @param entry the entry to alter
-     * @param mods the attribute and values to add 
-     * @throws NamingException if index alteration or attribute addition
-     * fails.
-     */
-    private void add( BigInteger id, Attributes entry, Attribute mods ) throws NamingException
+    public final int getChildCount( BigInteger id ) throws NamingException
     {
-        String modsOid = oidRegistry.getOid( mods.getID() );
-        
-        if ( hasUserIndexOn( modsOid ) )
-        {
-            Index idx = getUserIndex( modsOid );
-            idx.add( mods, id );
-
-            // If the attr didn't exist for this id add it to existance index
-            if ( !existanceIdx.hasValue( modsOid, id ) )
-            {
-                existanceIdx.add( modsOid, id );
-            }
-        }
-
-        // add all the values in mods to the same attribute in the entry
-        AttributeType type = attributeTypeRegistry.lookup( modsOid );
-        Attribute entryAttrToAddTo = ServerUtils.getAttribute( type, entry );
-
-        if ( entryAttrToAddTo == null )
-        {
-            entryAttrToAddTo = new LockableAttributeImpl( mods.getID() );
-            entry.put( entryAttrToAddTo );
-        }
-
-        for ( int ii = 0; ii < mods.size(); ii++ )
-        {
-            entryAttrToAddTo.add( mods.get( ii ) );
-        }
-
-        if ( modsOid.equals( oidRegistry.getOid( Partition.ALIAS_ATTRIBUTE ) ) )
-        {
-            String ndnStr = ( String ) ndnIdx.reverseLookup( id );
-            addAliasIndices( id, new LdapDN( ndnStr ), ( String ) mods.get() );
-        }
+        return store.getChildCount( id );
     }
 
 
-    /**
-     * Completely removes the set of values for an attribute having the values 
-     * supplied while affecting the appropriate indices.  The entry is not 
-     * persisted: it is only changed in anticipation for a put into the master 
-     * table.  Note that an empty attribute w/o values will remove all the 
-     * values within the entry where as an attribute w/ values will remove those
-     * attribute values it contains.
-     *
-     * @param id the primary key of the entry
-     * @param entry the entry to alter
-     * @param mods the attribute and its values to delete
-     * @throws NamingException if index alteration or attribute modification 
-     * fails.
-     */
-    private void remove( BigInteger id, Attributes entry, Attribute mods ) throws NamingException
+    public final LdapDN getSuffix()
     {
-        String modsOid = oidRegistry.getOid( mods.getID() );
-        
-        if ( hasUserIndexOn( modsOid ) )
-        {
-            Index idx = getUserIndex( modsOid );
-            idx.drop( mods, id );
-
-            /* 
-             * If no attribute values exist for this entryId in the index then
-             * we remove the existance index entry for the removed attribute.
-             */
-            if ( null == idx.reverseLookup( id ) )
-            {
-                existanceIdx.drop( modsOid, id );
-            }
-        }
-
-        AttributeType attrType = attributeTypeRegistry.lookup( modsOid );
-        /*
-         * If there are no attribute values in the modifications then this 
-         * implies the compelete removal of the attribute from the entry. Else
-         * we remove individual attribute values from the entry in mods one 
-         * at a time.
-         */
-        if ( mods.size() == 0 )
-        {
-            ServerUtils.removeAttribute( attrType, entry );
-        }
-        else
-        {
-            Attribute entryAttr = ServerUtils.getAttribute( attrType, entry );
-            NamingEnumeration values = mods.getAll();
-            while ( values.hasMore() )
-            {
-                entryAttr.remove( values.next() );
-            }
-
-            // if nothing is left just remove empty attribute
-            if ( entryAttr.size() == 0 )
-            {
-                entry.remove( entryAttr.getID() );
-            }
-        }
-
-        // Aliases->single valued comp/partial attr removal is not relevant here
-        if ( modsOid.equals( oidRegistry.getOid( Partition.ALIAS_ATTRIBUTE ) ) )
-        {
-            dropAliasIndices( id );
-        }
+        return store.getSuffix();
     }
 
-
-    /**
-     * Completely replaces the existing set of values for an attribute with the
-     * modified values supplied affecting the appropriate indices.  The entry
-     * is not persisted: it is only changed in anticipation for a put into the
-     * master table.
-     *
-     * @param id the primary key of the entry
-     * @param entry the entry to alter
-     * @param mods the replacement attribute and values
-     * @throws NamingException if index alteration or attribute modification 
-     * fails.
-     */
-    private void replace( BigInteger id, Attributes entry, Attribute mods ) throws NamingException
+    public final LdapDN getUpSuffix()
     {
-        String modsOid = oidRegistry.getOid( mods.getID() );
-        
-        if ( hasUserIndexOn( modsOid ) )
-        {
-            Index idx = getUserIndex( modsOid );
-
-            // Drop all existing attribute value index entries and add new ones
-            idx.drop( id );
-            idx.add( mods, id );
-
-            /* 
-             * If no attribute values exist for this entryId in the index then
-             * we remove the existance index entry for the removed attribute.
-             */
-            if ( null == idx.reverseLookup( id ) )
-            {
-                existanceIdx.drop( modsOid, id );
-            }
-        }
-
-        String aliasAttributeOid = oidRegistry.getOid( Partition.ALIAS_ATTRIBUTE );
-        if ( modsOid.equals( aliasAttributeOid ) )
-        {
-            dropAliasIndices( id );
-        }
-
-        // replaces old attributes with new modified ones if they exist
-        if ( mods.size() > 0 )
-        {
-            entry.put( mods );
-        }
-        else  // removes old attributes if new replacements do not exist
-        {
-            entry.remove( mods.getID() );
-        }
-
-        if ( modsOid.equals( aliasAttributeOid ) && mods.size() > 0 )
-        {
-            String ndnStr = ( String ) ndnIdx.reverseLookup( id );
-            addAliasIndices( id, new LdapDN( ndnStr ), ( String ) mods.get() );
-        }
+        return store.getUpSuffix();
     }
 
 
-    public void modify( LdapDN dn, int modOp, Attributes mods ) throws NamingException
+    public final Attributes getSuffixEntry() throws NamingException
     {
-        NamingEnumeration attrs = null;
-        BigInteger id = getEntryId( dn.toString() );
-        Attributes entry = master.get( id );
-
-        switch ( modOp )
-        {
-            case ( DirContext.ADD_ATTRIBUTE  ):
-                attrs = mods.getIDs();
-
-                while ( attrs.hasMore() )
-                {
-                    String attrId = ( String ) attrs.next();
-                    Attribute attr = mods.get( attrId );
-                    add( id, entry, attr );
-                }
-
-                break;
-            case ( DirContext.REMOVE_ATTRIBUTE  ):
-                attrs = mods.getIDs();
-
-                while ( attrs.hasMore() )
-                {
-                    String attrId = ( String ) attrs.next();
-                    Attribute attr = mods.get( attrId );
-                    remove( id, entry, attr );
-                }
-
-                break;
-            case ( DirContext.REPLACE_ATTRIBUTE  ):
-                attrs = mods.getIDs();
-
-                while ( attrs.hasMore() )
-                {
-                    String attrId = ( String ) attrs.next();
-                    Attribute attr = mods.get( attrId );
-                    replace( id, entry, attr );
-                }
-
-                break;
-            default:
-                throw new NamingException( "Unidentified modification operation" );
-        }
-
-        master.put( entry, id );
-        
-        if ( btpConfig.isSynchOnWrite() )
-        {
-            sync();
-        }
+        return store.getSuffixEntry();
     }
 
 
-    public void modify( LdapDN dn, ModificationItem[] mods ) throws NamingException
+    public final void setProperty( String propertyName, String propertyValue ) throws NamingException
     {
-        BigInteger id = getEntryId( dn.toString() );
-        Attributes entry = master.get( id );
-
-        for ( int ii = 0; ii < mods.length; ii++ )
-        {
-            Attribute attrMods = mods[ii].getAttribute();
-
-            switch ( mods[ii].getModificationOp() )
-            {
-                case ( DirContext.ADD_ATTRIBUTE  ):
-                    add( id, entry, attrMods );
-                    break;
-                case ( DirContext.REMOVE_ATTRIBUTE  ):
-                    remove( id, entry, attrMods );
-                    break;
-                case ( DirContext.REPLACE_ATTRIBUTE  ):
-                    replace( id, entry, attrMods );
-                    break;
-                default:
-                    throw new NamingException( "Unidentified modification operation" );
-            }
-        }
-
-        master.put( entry, id );
-        
-        if ( btpConfig.isSynchOnWrite() )
-        {
-            sync();
-        }
+        store.setProperty( propertyName, propertyValue );
     }
 
 
-    /**
-     * Changes the relative distinuished name of an entry specified by a 
-     * distinguished name with the optional removal of the old Rdn attribute
-     * value from the entry.  Name changes propagate down as dn changes to the 
-     * descendants of the entry where the Rdn changed. 
-     * 
-     * An Rdn change operation does not change parent child relationships.  It 
-     * merely propagates a name change at a point in the DIT where the Rdn is 
-     * changed. The change propagates down the subtree rooted at the 
-     * distinguished name specified.
-     *
-     * @param dn the normalized distinguished name of the entry to alter
-     * @param newRdn the new Rdn to set
-     * @param deleteOldRdn whether or not to remove the old Rdn attr/val
-     * @throws NamingException if there are any errors propagating the name
-     *        changes.
-     */
-    public void modifyRn( LdapDN dn, String newRdn, boolean deleteOldRdn ) throws NamingException
+    public final String getProperty( String propertyName ) throws NamingException
     {
-        String newRdnAttr = NamespaceTools.getRdnAttribute( newRdn );
-        String newRdnValue = NamespaceTools.getRdnValue( newRdn );
-        BigInteger id = getEntryId( dn.toString() );
-        Attributes entry = lookup( id );
-        LdapDN updn = new LdapDN( getEntryUpdn( id ) );
-
-        /* 
-         * H A N D L E   N E W   R D N
-         * ====================================================================
-         * Add the new Rdn attribute to the entry.  If an index exists on the 
-         * new Rdn attribute we add the index for this attribute value pair.
-         * Also we make sure that the existance index shows the existance of the
-         * new Rdn attribute within this entry.
-         */
-
-        String newRdnAttrOid = oidRegistry.getOid( newRdnAttr );
-        AttributeType newRdnAttrType = attributeTypeRegistry.lookup( newRdnAttrOid );
-        Attribute rdnAttr = ServerUtils.getAttribute( newRdnAttrType, entry );
-        if ( rdnAttr == null )
-        {
-            rdnAttr = new LockableAttributeImpl( newRdnAttr );
-        }
-
-        // add the new Rdn value only if it is not already present in the entry
-        if ( !rdnAttr.contains( newRdnValue ) )
-        {
-            rdnAttr.add( newRdnValue );
-        }
-
-        entry.put( rdnAttr );
-
-        if ( hasUserIndexOn( newRdnAttrOid ) )
-        {
-            Index idx = getUserIndex( newRdnAttrOid );
-            idx.add( newRdnValue, id );
-
-            // Make sure the altered entry shows the existance of the new attrib
-            if ( !existanceIdx.hasValue( newRdnAttrOid, id ) )
-            {
-                existanceIdx.add( newRdnAttrOid, id );
-            }
-        }
-
-        /*
-         * H A N D L E   O L D   R D N
-         * ====================================================================
-         * If the old Rdn is to be removed we need to get the attribute and 
-         * value for it.  Keep in mind the old Rdn need not be based on the 
-         * same Rdn as the new one.  We remove the Rdn value from the entry
-         * and remove the value/id tuple from the index on the old Rdn attr
-         * if any.  We also test if the delete of the old Rdn index tuple 
-         * removed all the attribute values of the old Rdn using a reverse
-         * lookup.  If so that means we blew away the last value of the old 
-         * Rdn attribute.  In this case we need to remove the attrName/id 
-         * tuple from the existance index.
-         */
-
-        if ( deleteOldRdn )
-        {
-            String oldRdn = updn.get( updn.size() - 1 );
-            String oldRdnAttr = NamespaceTools.getRdnAttribute( oldRdn );
-            String oldRdnAttrOid = oidRegistry.getOid( oldRdnAttr );
-            String oldRdnValue = NamespaceTools.getRdnValue( oldRdn );
-            AttributeType oldRdnAttrType = attributeTypeRegistry.lookup( oldRdnAttrOid );
-            
-            ServerUtils.getAttribute( oldRdnAttrType, entry ).remove( oldRdnValue );
-
-            if ( hasUserIndexOn( oldRdnAttrOid ) )
-            {
-                Index idx = getUserIndex( oldRdnAttrOid );
-                idx.drop( oldRdnValue, id );
-
-                /*
-                 * If there is no value for id in this index due to our
-                 * drop above we remove the oldRdnAttr from the existance idx
-                 */
-                if ( null == idx.reverseLookup( id ) )
-                {
-                    existanceIdx.drop( oldRdnAttrOid, id );
-                }
-            }
-        }
-
-        /*
-         * H A N D L E   D N   C H A N G E
-         * ====================================================================
-         * 1) Build the new user defined distinguished name
-         *      - clone / copy old updn
-         *      - remove old upRdn from copy
-         *      - add the new upRdn to the copy
-         * 2) Make call to recursive modifyDn method to change the names of the
-         *    entry and its descendants
-         */
-
-        LdapDN newUpdn = ( LdapDN ) updn.clone(); // copy da old updn
-        newUpdn.remove( newUpdn.size() - 1 ); // remove old upRdn
-        newUpdn.add( newUpdn.size(), newRdn ); // add da new upRdn
-        modifyDn( id, newUpdn, false ); // propagate dn changes
-        
-        if ( btpConfig.isSynchOnWrite() )
-        {
-            sync();
-        }
+        return store.getProperty( propertyName );
     }
 
 
-    /*
-     * The move operation severs a child from a parent creating a new parent
-     * child relationship.  As a consequence the relationships between the 
-     * old ancestors of the child and its descendants change.  A descendant is
-     *   
-     */
-
-    /**
-     * Recursively modifies the distinguished name of an entry and the names of
-     * its descendants calling itself in the recursion.
-     *
-     * @param id the primary key of the entry
-     * @param updn User provided distinguished name to set as the new DN
-     * @param isMove whether or not the name change is due to a move operation
-     * which affects alias indices.
-     * @throws NamingException if something goes wrong
-     */
-    private void modifyDn( BigInteger id, LdapDN updn, boolean isMove ) throws NamingException
+    public final Attributes getIndices( BigInteger id ) throws NamingException
     {
-        String aliasTarget = null;
-
-        // Now we can handle the appropriate name indices for all cases
-        ndnIdx.drop( id );
-        
-        LdapDN normalizedDn = LdapDN.normalize( updn, attributeTypeRegistry.getNormalizerMapping() );
-        ndnIdx.add( ndnIdx.getNormalized( normalizedDn.toNormName() ), id );
-
-        updnIdx.drop( id );
-        updnIdx.add( updn.getUpName(), id );
-
-        /* 
-         * Read Alias Index Tuples
-         * 
-         * If this is a name change due to a move operation then the one and
-         * subtree indices for aliases were purged before the aliases were 
-         * moved.  Now we must add them for each alias entry we have moved.  
-         * 
-         * aliasTarget is used as a marker to tell us if we're moving an 
-         * alias.  If it is null then the moved entry is not an alias.
-         */
-        if ( isMove )
-        {
-            aliasTarget = ( String ) aliasIdx.reverseLookup( id );
-
-            if ( null != aliasTarget )
-            {
-                addAliasIndices( id, new LdapDN( getEntryDn( id ) ), aliasTarget );
-            }
-        }
-
-        NamingEnumeration children = list( id );
-        while ( children.hasMore() )
-        {
-            // Get the child and its id
-            IndexRecord rec = ( IndexRecord ) children.next();
-            BigInteger childId = rec.getEntryId();
-
-            /* 
-             * Calculate the Dn for the child's new name by copying the parents
-             * new name and adding the child's old upRdn to new name as its Rdn
-             */
-            LdapDN childUpdn = ( LdapDN ) updn.clone();
-            LdapDN oldUpdn = new LdapDN( getEntryUpdn( childId ) );
-            String rdn = oldUpdn.get( oldUpdn.size() - 1 );
-            childUpdn.add( childUpdn.size(), rdn );
-
-            // Recursively change the names of the children below
-            modifyDn( childId, childUpdn, isMove );
-        }
+        return store.getIndices( id );
     }
 
-
-    public void move( LdapDN oldChildDn, LdapDN newParentDn, String newRdn, boolean deleteOldRdn ) throws NamingException
+    
+    public final void modify( LdapDN dn, int modOp, Attributes mods ) throws NamingException
     {
-        BigInteger childId = getEntryId( oldChildDn.toString() );
-        modifyRn( oldChildDn, newRdn, deleteOldRdn );
-        move( oldChildDn, childId, newParentDn );
-        
-        if ( btpConfig.isSynchOnWrite() )
-        {
-            sync();
-        }
+        store.modify( dn, modOp, mods );
     }
 
 
-    public void move( LdapDN oldChildDn, LdapDN newParentDn ) throws NamingException
+    public final void modify( LdapDN dn, ModificationItem[] mods ) throws NamingException
     {
-        BigInteger childId = getEntryId( oldChildDn.toString() );
-        move( oldChildDn, childId, newParentDn );
-        
-        if ( btpConfig.isSynchOnWrite() )
-        {
-            sync();
-        }
+        store.modify( dn, mods );
     }
 
 
-    /**
-     * Moves an entry under a new parent.  The operation causes a shift in the
-     * parent child relationships between the old parent, new parent and the 
-     * child moved.  All other descendant entries under the child never change
-     * their direct parent child relationships.  Hence after the parent child
-     * relationship changes are broken at the old parent and set at the new
-     * parent a modifyDn operation is conducted to handle name changes 
-     * propagating down through the moved child and its descendants.
-     * 
-     * @param oldChildDn the normalized dn of the child to be moved
-     * @param newParentDn the normalized dn of the new parent for the child
-     * @throws NamingException if something goes wrong
-     */
-    private void move( LdapDN oldChildDn, BigInteger childId, LdapDN newParentDn ) throws NamingException
+    public final void modifyRn( LdapDN dn, String newRdn, boolean deleteOldRdn ) throws NamingException
     {
-        // Get the child and the new parent to be entries and Ids
-        BigInteger newParentId = getEntryId( newParentDn.toString() );
-        BigInteger oldParentId = getParentId( childId );
-
-        /*
-         * All aliases including and below oldChildDn, will be affected by
-         * the move operation with respect to one and subtree indices since 
-         * their relationship to ancestors above oldChildDn will be 
-         * destroyed.  For each alias below and including oldChildDn we will
-         * drop the index tuples mapping ancestor ids above oldChildDn to the
-         * respective target ids of the aliases.
-         */
-        dropMovedAliasIndices( oldChildDn );
-
-        /*
-         * Drop the old parent child relationship and add the new one
-         * Set the new parent id for the child replacing the old parent id
-         */
-        hierarchyIdx.drop( oldParentId, childId );
-        hierarchyIdx.add( newParentId, childId );
-
-        /*
-         * Build the new user provided DN (updn) for the child using the child's
-         * user provided RDN & the new parent's UPDN.  Basically add the child's
-         * UpRdn String to the tail of the new parent's Updn Name.
-         */
-        LdapDN childUpdn = new LdapDN( getEntryUpdn( childId ) );
-        String childRdn = childUpdn.get( childUpdn.size() - 1 );
-        LdapDN newUpdn = new LdapDN( getEntryUpdn( newParentId ) );
-        newUpdn.add( newUpdn.size(), childRdn );
-
-        // Call the modifyDn operation with the new updn
-        modifyDn( childId, newUpdn, true );
+        store.modifyRn( dn, newRdn, deleteOldRdn );
     }
 
 
-    /**
-     * For all aliases including and under the moved base, this method removes
-     * one and subtree alias index tuples for old ancestors above the moved base
-     * that will no longer be ancestors after the move.
-     * 
-     * @param movedBase the base at which the move occured - the moved node
-     * @throws NamingException if system indices fail
-     */
-    private void dropMovedAliasIndices( final LdapDN movedBase ) throws NamingException
+    public final void move( LdapDN oldChildDn, LdapDN newParentDn, String newRdn, boolean deleteOldRdn ) throws NamingException
     {
-        // Find all the aliases from movedBase down
-        IndexAssertion isBaseDescendant = new IndexAssertion()
-        {
-            public boolean assertCandidate( IndexRecord rec ) throws NamingException
-            {
-                String dn = getEntryDn( rec.getEntryId() );
-                if ( dn.endsWith( movedBase.toString() ) )
-                {
-                    return true;
-                }
-
-                return false;
-            }
-        };
-
-        BigInteger movedBaseId = getEntryId( movedBase.toString() );
-        if ( aliasIdx.reverseLookup( movedBaseId ) != null )
-        {
-            dropAliasIndices( movedBaseId, movedBase );
-        }
-
-        NamingEnumeration aliases = new IndexAssertionEnumeration( aliasIdx.listIndices( movedBase.toString(), true ),
-            isBaseDescendant );
-        while ( aliases.hasMore() )
-        {
-            IndexRecord entry = ( IndexRecord ) aliases.next();
-            dropAliasIndices( entry.getEntryId(), movedBase );
-        }
+        store.move( oldChildDn, newParentDn, newRdn, deleteOldRdn );
     }
 
 
-    /**
-     * For the alias id all ancestor one and subtree alias tuples are moved 
-     * above the moved base.
-     * 
-     * @param aliasId the id of the alias 
-     * @param movedBase the base where the move occured
-     * @throws NamingException if indices fail
-     */
-    private void dropAliasIndices( BigInteger aliasId, LdapDN movedBase ) throws NamingException
+    public final void move( LdapDN oldChildDn, LdapDN newParentDn ) throws NamingException
     {
-        String targetDn = ( String ) aliasIdx.reverseLookup( aliasId );
-        BigInteger targetId = getEntryId( targetDn );
-        String aliasDn = getEntryDn( aliasId );
-
-        /*
-         * Start droping index tuples with the first ancestor right above the 
-         * moved base.  This is the first ancestor effected by the move.
-         */
-        LdapDN ancestorDn = ( LdapDN ) movedBase.getPrefix( 1 );
-        BigInteger ancestorId = getEntryId( ancestorDn.toString() );
-
-        /*
-         * We cannot just drop all tuples in the one level and subtree indices
-         * linking baseIds to the targetId.  If more than one alias refers to
-         * the target then droping all tuples with a value of targetId would
-         * make all other aliases to the target inconsistent.
-         * 
-         * We need to walk up the path of alias ancestors right above the moved 
-         * base until we reach the upSuffix, deleting each ( ancestorId,
-         * targetId ) tuple in the subtree scope alias.  We only need to do 
-         * this for the direct parent of the alias on the one level subtree if
-         * the moved base is the alias.
-         */
-        if ( aliasDn.equals( movedBase.toString() ) )
-        {
-            oneAliasIdx.drop( ancestorId, targetId );
-        }
-
-        subAliasIdx.drop( ancestorId, targetId );
-
-        while ( !ancestorDn.equals( upSuffix ) )
-        {
-            ancestorDn = ( LdapDN ) ancestorDn.getPrefix( 1 );
-            ancestorId = getEntryId( ancestorDn.toString() );
-
-            subAliasIdx.drop( ancestorId, targetId );
-        }
+        store.move( oldChildDn, newParentDn );
     }
 
 
-    public void bind( LdapDN bindDn, byte[] credentials, List mechanisms, String saslAuthId ) throws NamingException
+    public final void bind( LdapDN bindDn, byte[] credentials, List mechanisms, String saslAuthId ) throws NamingException
     {
         // does nothing
         throw new LdapAuthenticationNotSupportedException(
@@ -1689,8 +412,7 @@
     }
 
 
-    public void unbind( LdapDN bindDn ) throws NamingException
+    public final void unbind( LdapDN bindDn ) throws NamingException
     {
-        // does nothing
     }
 }

Modified: directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/referral/ReferralService.java
URL: http://svn.apache.org/viewvc/directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/referral/ReferralService.java?view=diff&rev=491471&r1=491470&r2=491471
==============================================================================
--- directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/referral/ReferralService.java (original)
+++ directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/referral/ReferralService.java Sun Dec 31 11:46:40 2006
@@ -54,8 +54,8 @@
 import org.apache.directory.server.core.partition.Partition;
 import org.apache.directory.server.core.partition.PartitionNexus;
 import org.apache.directory.server.core.partition.PartitionNexusProxy;
-import org.apache.directory.server.core.schema.AttributeTypeRegistry;
-import org.apache.directory.server.core.schema.OidRegistry;
+import org.apache.directory.server.schema.registries.AttributeTypeRegistry;
+import org.apache.directory.server.schema.registries.OidRegistry;
 
 import org.apache.directory.shared.ldap.codec.util.LdapURL;
 import org.apache.directory.shared.ldap.NotImplementedException;
@@ -165,8 +165,8 @@
     public void init( DirectoryServiceConfiguration dsConfig, InterceptorConfiguration cfg ) throws NamingException
     {
         nexus = dsConfig.getPartitionNexus();
-        attrRegistry = dsConfig.getGlobalRegistries().getAttributeTypeRegistry();
-        oidRegistry = dsConfig.getGlobalRegistries().getOidRegistry();
+        attrRegistry = dsConfig.getRegistries().getAttributeTypeRegistry();
+        oidRegistry = dsConfig.getRegistries().getOidRegistry();
         env = dsConfig.getEnvironment();
 
         Iterator suffixes = nexus.listSuffixes();

Modified: directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/schema/SchemaChecker.java
URL: http://svn.apache.org/viewvc/directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/schema/SchemaChecker.java?view=diff&rev=491471&r1=491470&r2=491471
==============================================================================
--- directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/schema/SchemaChecker.java (original)
+++ directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/schema/SchemaChecker.java Sun Dec 31 11:46:40 2006
@@ -20,6 +20,8 @@
 package org.apache.directory.server.core.schema;
 
 
+import org.apache.directory.server.schema.registries.ObjectClassRegistry;
+import org.apache.directory.server.schema.registries.OidRegistry;
 import org.apache.directory.shared.ldap.exception.LdapSchemaViolationException;
 import org.apache.directory.shared.ldap.message.ResultCodeEnum;
 import org.apache.directory.shared.ldap.schema.ObjectClass;
@@ -664,6 +666,7 @@
      * @return the set of attributes composing the Rdn for the name
      * @throws NamingException if the syntax of the Rdn is incorrect
      */
+    @SuppressWarnings("unchecked")
     private static Set getRdnAttributes( Name name ) throws NamingException
     {
         String[] comps = NamespaceTools.getCompositeComponents( name.get( name.size() - 1 ) );

Copied: directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/schema/SchemaPartitionDao.java (from r491463, directory/branches/trunks/schema/apacheds/core/src/main/java/org/apache/directory/server/core/schema/SchemaPartitionDao.java)
URL: http://svn.apache.org/viewvc/directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/schema/SchemaPartitionDao.java?view=diff&rev=491471&p1=directory/branches/trunks/schema/apacheds/core/src/main/java/org/apache/directory/server/core/schema/SchemaPartitionDao.java&r1=491463&p2=directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/schema/SchemaPartitionDao.java&r2=491471
==============================================================================
--- directory/branches/trunks/schema/apacheds/core/src/main/java/org/apache/directory/server/core/schema/SchemaPartitionDao.java (original)
+++ directory/trunks/apacheds/core/src/main/java/org/apache/directory/server/core/schema/SchemaPartitionDao.java Sun Dec 31 11:46:40 2006
@@ -45,6 +45,7 @@
 import org.apache.directory.server.schema.registries.Registries;
 import org.apache.directory.shared.ldap.filter.ExprNode;
 import org.apache.directory.shared.ldap.filter.SimpleNode;
+import org.apache.directory.shared.ldap.filter.AssertionEnum;
 import org.apache.directory.shared.ldap.message.LockableAttributeImpl;
 import org.apache.directory.shared.ldap.name.LdapDN;
 import org.apache.directory.shared.ldap.name.Rdn;
@@ -130,7 +131,7 @@
     {
         LdapDN base = new LdapDN( "ou=schema" );
         base.normalize( attrRegistry.getNormalizerMapping() );
-        ExprNode filter = new SimpleNode( oidRegistry.getOid( "objectClass" ), "metaSchema", SimpleNode.EQUALITY );
+        ExprNode filter = new SimpleNode( oidRegistry.getOid( "objectClass" ), "metaSchema", AssertionEnum.EQUALITY );
         SearchControls searchControls = new SearchControls();
         searchControls.setSearchScope( SearchControls.ONELEVEL_SCOPE );
         return partition.search( base, new HashMap(), filter, searchControls );
@@ -167,7 +168,7 @@
      */
     public String findSchema( String entityName ) throws NamingException
     {
-        SimpleNode filter = new SimpleNode( M_NAME_OID, entityName.toLowerCase(), SimpleNode.EQUALITY );
+        SimpleNode filter = new SimpleNode( M_NAME_OID, entityName.toLowerCase(), AssertionEnum.EQUALITY );
         SearchControls searchControls = new SearchControls();
         searchControls.setSearchScope( SearchControls.SUBTREE_SCOPE );
         NamingEnumeration<SearchResult> ne = null;