/*
|
* CDDL HEADER START
|
*
|
* The contents of this file are subject to the terms of the
|
* Common Development and Distribution License, Version 1.0 only
|
* (the "License"). You may not use this file except in compliance
|
* with the License.
|
*
|
* You can obtain a copy of the license at
|
* trunk/opends/resource/legal-notices/OpenDS.LICENSE
|
* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
|
* See the License for the specific language governing permissions
|
* and limitations under the License.
|
*
|
* When distributing Covered Code, include this CDDL HEADER in each
|
* file and include the License file at
|
* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
|
* add the following below this CDDL HEADER, with the fields enclosed
|
* by brackets "[]" replaced with your own identifying information:
|
* Portions Copyright [yyyy] [name of copyright owner]
|
*
|
* CDDL HEADER END
|
*
|
*
|
* Copyright 2009 Sun Microsystems, Inc.
|
*/
|
|
package org.opends.server.backends.jeb.importLDIF;
|
|
import java.util.ArrayList;
|
import java.util.HashMap;
|
import java.util.Iterator;
|
import java.util.List;
|
import java.util.Map;
|
import java.util.concurrent.ConcurrentHashMap;
|
import org.opends.server.backends.jeb.*;
|
import org.opends.server.config.ConfigException;
|
import org.opends.server.types.*;
|
import com.sleepycat.je.DatabaseException;
|
import com.sleepycat.je.LockMode;
|
|
|
/**
|
* The class represents a suffix. OpenDS backends can have multiple suffixes.
|
*/
|
public class Suffix
|
{
|
private final List<DN> includeBranches;
|
private final List<DN> excludeBranches;
|
private final DN baseDN;
|
private final EntryContainer srcEntryContainer;
|
private EntryContainer entryContainer;
|
private final Object synchObject = new Object();
|
private static final int PARENT_ID_MAP_SIZE = 4096;
|
|
private ConcurrentHashMap<DN,DN> pendingMap =
|
new ConcurrentHashMap<DN, DN>() ;
|
private HashMap<DN,EntryID> parentIDMap =
|
new HashMap<DN,EntryID>(PARENT_ID_MAP_SIZE);
|
|
private DN parentDN;
|
private ArrayList<EntryID> IDs;
|
|
private
|
Suffix(EntryContainer entryContainer, EntryContainer srcEntryContainer,
|
List<DN> includeBranches, List<DN> excludeBranches)
|
throws InitializationException, ConfigException
|
{
|
this.entryContainer = entryContainer;
|
this.srcEntryContainer = srcEntryContainer;
|
this.baseDN = entryContainer.getBaseDN();
|
if (includeBranches == null)
|
{
|
this.includeBranches = new ArrayList<DN>(0);
|
}
|
else
|
{
|
this.includeBranches = includeBranches;
|
}
|
if (excludeBranches == null)
|
{
|
this.excludeBranches = new ArrayList<DN>(0);
|
}
|
else
|
{
|
this.excludeBranches = excludeBranches;
|
}
|
}
|
|
/**
|
* Creates a suffix instance using the specified parameters.
|
*
|
* @param entryContainer The entry container pertaining to the suffix.
|
* @param srcEntryContainer The original entry container.
|
* @param includeBranches The include branches.
|
* @param excludeBranches The exclude branches.
|
*
|
* @return A suffix instance.
|
* @throws InitializationException If the suffix cannot be initialized.
|
* @throws ConfigException If an error occured reading the configuration.
|
*/
|
public static Suffix
|
createSuffixContext(EntryContainer entryContainer,
|
EntryContainer srcEntryContainer,
|
List<DN> includeBranches, List<DN> excludeBranches)
|
throws InitializationException, ConfigException
|
{
|
return new Suffix(entryContainer, srcEntryContainer,
|
includeBranches, excludeBranches);
|
}
|
|
/**
|
* Returns the DN2ID instance pertaining to a suffix instance.
|
*
|
* @return A DN2ID instance that can be used to manipulate the DN2ID database.
|
*/
|
public DN2ID getDN2ID()
|
{
|
return entryContainer.getDN2ID();
|
}
|
|
|
/**
|
* Returns the ID2Entry instance pertaining to a suffix instance.
|
*
|
* @return A ID2Entry instance that can be used to manipulate the ID2Entry
|
* database.
|
*/
|
public ID2Entry getID2Entry()
|
{
|
return entryContainer.getID2Entry();
|
}
|
|
|
/**
|
* Returns the DN2URI instance pertaining to a suffix instance.
|
*
|
* @return A DN2URI instance that can be used to manipulate the DN2URI
|
* database.
|
*/
|
public DN2URI getDN2URI()
|
{
|
return entryContainer.getDN2URI();
|
}
|
|
|
/**
|
* Returns the entry container pertaining to a suffix instance.
|
*
|
* @return The entry container used to create a suffix instance.
|
*/
|
public EntryContainer getEntryContainer()
|
{
|
return entryContainer;
|
}
|
|
|
/**
|
* Return the Attribute Type - Index map used to map an attribute type to an
|
* index instance.
|
*
|
* @return A suffixes Attribute Type - Index map.
|
*/
|
public Map<AttributeType, AttributeIndex> getAttrIndexMap()
|
{
|
return entryContainer.getAttributeIndexMap();
|
}
|
|
|
/**
|
* Check if the parent DN is in the pending map.
|
*
|
* @param parentDN The DN of the parent.
|
* @return <CODE>True</CODE> if the parent is in the pending map.
|
*/
|
private boolean isPending(DN parentDN)
|
{
|
boolean ret = false;
|
if(pendingMap.containsKey(parentDN)) {
|
ret = true;
|
}
|
return ret;
|
}
|
|
/**
|
* Add specified DN to the pending map.
|
*
|
* @param dn The DN to add to the map.
|
*/
|
public void addPending(DN dn)
|
{
|
pendingMap.putIfAbsent(dn, dn);
|
}
|
|
/**
|
* Remove the specified DN from the pending map.
|
*
|
* @param dn The DN to remove from the map.
|
*/
|
public void removePending(DN dn)
|
{
|
pendingMap.remove(dn);
|
}
|
|
|
/**
|
* Return the entry ID related to the specified entry DN. First the instance's
|
* cache of parent IDs is checked, if it isn't found then the DN2ID is
|
* searched.
|
*
|
* @param parentDN The DN to get the id for.
|
* @return The entry ID related to the parent DN, or null if the id wasn't
|
* found in the cache or dn2id database.
|
*
|
* @throws DatabaseException If an error occurred search the dn2id database.
|
*/
|
public
|
EntryID getParentID(DN parentDN) throws DatabaseException {
|
EntryID parentID;
|
synchronized(synchObject) {
|
parentID = parentIDMap.get(parentDN);
|
if (parentID != null) {
|
return parentID;
|
}
|
}
|
int i=0;
|
//If the parent is in the pending map, another thread is working on the
|
//parent entry; wait 500 ms until that thread is done with the parent.
|
while(isPending(parentDN)) {
|
try {
|
Thread.sleep(50);
|
if(i == 10) {
|
System.out.println("Timed out waiting for: " + parentDN.toString());
|
return null;
|
}
|
i++;
|
} catch (Exception e) {
|
System.out.println("Exception: " + parentDN.toString());
|
return null;
|
}
|
}
|
parentID = entryContainer.getDN2ID().get(null, parentDN, LockMode.DEFAULT);
|
//If the parent is in dn2id, add it to the cache.
|
if (parentID != null) {
|
synchronized(synchObject) {
|
if (parentIDMap.size() >= PARENT_ID_MAP_SIZE) {
|
Iterator<DN> iterator = parentIDMap.keySet().iterator();
|
iterator.next();
|
iterator.remove();
|
}
|
parentIDMap.put(parentDN, parentID);
|
}
|
} else {
|
System.out.println("parent not found: " + parentDN.toString());
|
}
|
return parentID;
|
}
|
|
|
/**
|
* Sets all of the indexes, vlvIndexes, id2children and id2subtree indexes to
|
* trusted.
|
*
|
* @throws DatabaseException If an error occurred setting the indexes to
|
* trusted.
|
*/
|
public void setIndexesTrusted() throws DatabaseException
|
{
|
entryContainer.getID2Children().setTrusted(null,true);
|
entryContainer.getID2Subtree().setTrusted(null, true);
|
for(AttributeIndex attributeIndex :
|
entryContainer.getAttributeIndexes()) {
|
Index index;
|
if((index = attributeIndex.getEqualityIndex()) != null) {
|
index.setTrusted(null, true);
|
}
|
if((index=attributeIndex.getPresenceIndex()) != null) {
|
index.setTrusted(null, true);
|
}
|
if((index=attributeIndex.getSubstringIndex()) != null) {
|
index.setTrusted(null, true);
|
}
|
if((index=attributeIndex.getOrderingIndex()) != null) {
|
index.setTrusted(null, true);
|
}
|
if((index=attributeIndex.getApproximateIndex()) != null) {
|
index.setTrusted(null, true);
|
}
|
}
|
for(VLVIndex vlvIdx : entryContainer.getVLVIndexes()) {
|
vlvIdx.setTrusted(null, true);
|
}
|
}
|
|
/**
|
* Get the parent DN of the last entry added to a suffix.
|
*
|
* @return The parent DN of the last entry added.
|
*/
|
public DN getParentDN()
|
{
|
return parentDN;
|
}
|
|
|
/**
|
* Set the parent DN of the last entry added to a suffix.
|
*
|
* @param parentDN The parent DN to save.
|
*/
|
public void setParentDN(DN parentDN)
|
{
|
this.parentDN = parentDN;
|
}
|
|
/**
|
* Get the entry ID list of the last entry added to a suffix.
|
*
|
* @return Return the entry ID list of the last entry added to a suffix.
|
*/
|
public ArrayList<EntryID> getIDs()
|
{
|
return IDs;
|
}
|
|
|
/**
|
* Set the entry ID list of the last entry added to a suffix.
|
*
|
* @param IDs The entry ID list to save.
|
*/
|
public void setIDs(ArrayList<EntryID> IDs)
|
{
|
this.IDs = IDs;
|
}
|
|
/**
|
* Return a src entry container.
|
*
|
* @return The src entry container.
|
*/
|
public EntryContainer getSrcEntryContainer()
|
{
|
return this.srcEntryContainer;
|
}
|
|
/**
|
* Return include branches.
|
*
|
* @return The include branches.
|
*/
|
public List<DN> getIncludeBranches()
|
{
|
return this.includeBranches;
|
}
|
|
/**
|
* Return exclude branches.
|
*
|
* @return the exclude branches.
|
*/
|
public List<DN> getExcludeBranches()
|
{
|
return this.excludeBranches;
|
}
|
|
/**
|
* Return base DN.
|
*
|
* @return The base DN.
|
*/
|
public DN getBaseDN()
|
{
|
return this.baseDN;
|
}
|
}
|
