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RM-732: CLONE - "caveat" functionality of the (dod5015) Records Management Module is not cluster-aware

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git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/modules/recordsmanagement/BRANCHES/V2.0@52115 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Roy Wetherall
2013-07-04 01:41:20 +00:00
parent 586106f26d
commit e5c487db07
2 changed files with 309 additions and 103 deletions
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377
rm-server/source/java/org/alfresco/module/org_alfresco_module_rm/caveat/RMCaveatConfigComponentImpl.java
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@@ -1,5 +1,5 @@
/*
* Copyright (C) 2005-2011 Alfresco Software Limited.
* Copyright (C) 2005-2013 Alfresco Software Limited.
*
* This file is part of Alfresco
*
@@ -22,18 +22,22 @@ import java.io.File;
import java.io.InputStream;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import org.alfresco.error.AlfrescoRuntimeException;
import org.alfresco.model.ContentModel;
import org.alfresco.module.org_alfresco_module_rm.caveat.RMListOfValuesConstraint.MatchLogic;
import org.alfresco.module.org_alfresco_module_rm.model.RecordsManagementModel;
import org.alfresco.repo.cache.SimpleCache;
import org.alfresco.repo.content.ContentServicePolicies;
import org.alfresco.repo.content.MimetypeMap;
import org.alfresco.repo.node.NodeServicePolicies;
@@ -97,16 +101,25 @@ public class RMCaveatConfigComponentImpl implements ContentServicePolicies.OnCon
private static final QName DATATYPE_TEXT = DataTypeDefinition.TEXT;
/**
* Lock objects
*/
private ReadWriteLock lock = new ReentrantReadWriteLock();
private Lock readLock = lock.readLock();
private Lock writeLock = lock.writeLock();
/*
* Caveat Config
* Caveat Config (Shared) config
* first string is property name
* second string is authority name (user or group full name)
* third string is list of values of property
*/
*/
private SimpleCache<String, Map<String, List<String>>> caveatConfig;
// TODO - convert to SimpleCache to be cluster-aware (for dynamic changes to caveat config across a cluster)
private Map<String, Map<String, List<String>>> caveatConfig = new ConcurrentHashMap<String, Map<String, List<String>>>(2);
public void setCaveatConfig(SimpleCache<String, Map<String, List<String>>> caveatConfig)
{
this.caveatConfig = caveatConfig;
}
public void setPolicyComponent(PolicyComponent policyComponent)
{
@@ -252,6 +265,12 @@ public class RMCaveatConfigComponentImpl implements ContentServicePolicies.OnCon
validateAndReset(childAssocRef.getChildRef());
}
/**
* Validate the caveat config and optionally update the cache.
*
* @param nodeRef The nodeRef of the config
* @param updateCache Set to <code>true</code> to update the cache
*/
@SuppressWarnings("unchecked")
protected void validateAndReset(NodeRef nodeRef)
{
@@ -409,15 +428,29 @@ public class RMCaveatConfigComponentImpl implements ContentServicePolicies.OnCon
}
}
// Valid, so update
caveatConfig.clear();
for (Map.Entry<String, Object> conEntry : caveatConfigMap.entrySet())
try
{
String conStr = conEntry.getKey();
Map<String, List<String>> caveatMap = (Map<String, List<String>>)conEntry.getValue();
writeLock.lock();
// we can't just clear the cache, as all puts to the cache afterwards in this transaction will be ignored
// first delete all keys that are now not in the config
caveatConfig.getKeys().retainAll(caveatConfigMap.keySet());
caveatConfig.put(conStr, caveatMap);
for (Map.Entry<String, Object> conEntry : caveatConfigMap.entrySet())
{
String conStr = conEntry.getKey();
Map<String, List<String>> caveatMap = (Map<String, List<String>>)conEntry.getValue();
Map<String, List<String>> cacheValue = caveatConfig.get(conStr);
if (cacheValue == null || !cacheValue.equals(caveatMap))
{
// update the cache
caveatConfig.put(conStr, caveatMap);
}
}
}
finally
{
writeLock.unlock();
}
}
catch (JSONException e)
@@ -495,9 +528,19 @@ public class RMCaveatConfigComponentImpl implements ContentServicePolicies.OnCon
}
// Get list of all caveat qualified names
public Set<String> getRMConstraintNames()
public Collection<String> getRMConstraintNames()
{
return caveatConfig.keySet();
Collection<String> rmConstraintNames = Collections.emptySet();
try
{
readLock.lock();
rmConstraintNames = caveatConfig.getKeys();
}
finally
{
readLock.unlock();
}
return Collections.unmodifiableCollection(rmConstraintNames);
}
// Get allowed values for given caveat (for current user)
@@ -510,8 +553,7 @@ public class RMCaveatConfigComponentImpl implements ContentServicePolicies.OnCon
{
if (! (AuthenticationUtil.isMtEnabled() && AuthenticationUtil.isRunAsUserTheSystemUser()))
{
// note: userName and userGroupNames must not be null
Map<String, List<String>> caveatConstraintDef = caveatConfig.get(constraintName);
// note: userName and userGroupNames must not be null
Set<String> userGroupFullNames = authorityService.getAuthoritiesForUser(userName);
allowedValues = getRMAllowedValues(userName, userGroupFullNames, constraintName);
}
@@ -525,7 +567,16 @@ public class RMCaveatConfigComponentImpl implements ContentServicePolicies.OnCon
Set<String>allowedValues = new HashSet<String>();
// note: userName and userGroupNames must not be null
Map<String, List<String>> caveatConstraintDef = caveatConfig.get(constraintName);
Map<String, List<String>> caveatConstraintDef = null;
try
{
readLock.lock();
caveatConstraintDef = caveatConfig.get(constraintName);
}
finally
{
readLock.unlock();
}
if (caveatConstraintDef != null)
{
@@ -547,7 +598,7 @@ public class RMCaveatConfigComponentImpl implements ContentServicePolicies.OnCon
List<String>ret = new ArrayList<String>();
ret.addAll(allowedValues);
return ret;
return Collections.unmodifiableList(ret);
}
/**
@@ -692,23 +743,53 @@ public class RMCaveatConfigComponentImpl implements ContentServicePolicies.OnCon
*
* @param listName the name of the RMConstraintList
* @param authorityName
* @param values
* @param value
* @throws AlfrescoRuntimeException if either the list or the authority do not already exist.
*/
public void addRMConstraintListValue(String listName, String authorityName, String value)
{
Map<String, List<String>> members = caveatConfig.get(listName);
if(members == null)
Map<String, List<String>> members = null;
try
{
throw new AlfrescoRuntimeException("unable to add to list, list not defined:"+ listName);
readLock.lock();
members = caveatConfig.get(listName);
if(members == null)
{
throw new AlfrescoRuntimeException("unable to add to list, list not defined:"+ listName);
}
try
{
readLock.unlock();
writeLock.lock();
// check again
members = caveatConfig.get(listName);
if(members == null)
{
throw new AlfrescoRuntimeException("unable to add to list, list not defined:"+ listName);
}
List<String> values = members.get(authorityName);
if(values == null)
{
throw new AlfrescoRuntimeException("Unable to add to authority in list. Authority not member listName: "+ listName + " authorityName:" +authorityName);
}
values.add(value);
caveatConfig.put(listName, members);
updateOrCreateCaveatConfig(convertToJSONString(caveatConfig));
}
finally
{
readLock.lock();
writeLock.unlock();
}
}
List<String> values = members.get(authorityName);
if(values == null)
finally
{
throw new AlfrescoRuntimeException("Unable to add to authority in list. Authority not member listName: "+ listName + " authorityName:" +authorityName);
readLock.unlock();
}
values.add(value);
updateOrCreateCaveatConfig(convertToJSONString(caveatConfig));
}
/**
@@ -718,7 +799,24 @@ public class RMCaveatConfigComponentImpl implements ContentServicePolicies.OnCon
*/
public Map<String, List<String>> getListDetails(String listName)
{
return caveatConfig.get(listName);
Map<String, List<String>> listDetails = null;
try
{
readLock.lock();
listDetails = caveatConfig.get(listName);
}
finally
{
readLock.unlock();
}
if (listDetails == null)
{
return Collections.emptyMap();
}
else
{
return Collections.unmodifiableMap(listDetails);
}
}
public List<QName> getRMCaveatModels()
@@ -738,20 +836,30 @@ public class RMCaveatConfigComponentImpl implements ContentServicePolicies.OnCon
*/
public void updateRMConstraintListAuthority(String listName, String authorityName, List<String>values)
{
Map<String, List<String>> members = caveatConfig.get(listName);
if(members == null)
Map<String, List<String>> members = null;
try
{
// Create the new list, with the authority name
Map<String, List<String>> constraint = new HashMap<String, List<String>>(0);
constraint.put(authorityName, values);
caveatConfig.put(listName, constraint);
}
else
{
members.put(authorityName, values);
}
writeLock.lock();
members = caveatConfig.get(listName);
if(members == null)
{
// Create the new list, with the authority name
Map<String, List<String>> constraint = new HashMap<String, List<String>>(0);
constraint.put(authorityName, new ArrayList<String>(values));
members = constraint;
}
else
{
members.put(authorityName, new ArrayList<String>(values));
}
updateOrCreateCaveatConfig(convertToJSONString(caveatConfig));
caveatConfig.put(listName, members);
updateOrCreateCaveatConfig(convertToJSONString(caveatConfig));
}
finally
{
writeLock.unlock();
}
}
/**
@@ -764,57 +872,19 @@ public class RMCaveatConfigComponentImpl implements ContentServicePolicies.OnCon
public void updateRMConstraintListValue(String listName, String valueName, List<String>authorities)
{
// members contains member, values[]
Map<String, List<String>> members = caveatConfig.get(listName);
if(members == null)
Map<String, List<String>> members = null;
try
{
// Members List does not exist
Map<String, List<String>> emptyConstraint = new HashMap<String, List<String>>(0);
caveatConfig.put(listName, emptyConstraint);
members = emptyConstraint;
}
// authorities contains authority, values[]
// pivot contains value, members[]
Map<String, List<String>> pivot = PivotUtil.getPivot(members);
writeLock.lock();
// remove all authorities which have this value
List<String> existingAuthorities = pivot.get(valueName);
if(existingAuthorities != null)
{
for(String authority : existingAuthorities)
if(members == null)
{
List<String> vals = members.get(authority);
vals.remove(valueName);
// Members List does not exist
Map<String, List<String>> emptyConstraint = new HashMap<String, List<String>>(0);
caveatConfig.put(listName, emptyConstraint);
members = emptyConstraint;
}
}
// add the new authorities for this value
for(String authority : authorities)
{
List<String> vals = members.get(authority);
if(vals == null)
{
vals= new ArrayList<String>();
members.put(authority, vals);
}
vals.add(valueName);
}
updateOrCreateCaveatConfig(convertToJSONString(caveatConfig));
}
public void removeRMConstraintListValue(String listName, String valueName)
{
// members contains member, values[]
Map<String, List<String>> members = caveatConfig.get(listName);
if(members == null)
{
// list does not exist
}
else
{
// authorities contains authority, values[]
// pivot contains value, members[]
Map<String, List<String>> pivot = PivotUtil.getPivot(members);
@@ -829,8 +899,82 @@ public class RMCaveatConfigComponentImpl implements ContentServicePolicies.OnCon
vals.remove(valueName);
}
}
updateOrCreateCaveatConfig(convertToJSONString(caveatConfig));
// add the new authorities for this value
for(String authority : authorities)
{
List<String> vals = members.get(authority);
if(vals == null)
{
vals= new ArrayList<String>();
members.put(authority, vals);
}
vals.add(valueName);
}
caveatConfig.put(listName, members);
updateOrCreateCaveatConfig(convertToJSONString(caveatConfig));
}
finally
{
writeLock.unlock();
}
}
public void removeRMConstraintListValue(String listName, String valueName)
{
Map<String, List<String>> members = null;
try
{
readLock.lock();
members = caveatConfig.get(listName);
if(members == null)
{
// list does not exist
}
else
{
try
{
readLock.unlock();
writeLock.lock();
// check again
members = caveatConfig.get(listName);
if(members == null)
{
// list does not exist
}
else
{
// authorities contains authority, values[]
// pivot contains value, members[]
Map<String, List<String>> pivot = PivotUtil.getPivot(members);
// remove all authorities which have this value
List<String> existingAuthorities = pivot.get(valueName);
if(existingAuthorities != null)
{
for(String authority : existingAuthorities)
{
List<String> vals = members.get(authority);
vals.remove(valueName);
}
caveatConfig.put(listName, members);
}
}
updateOrCreateCaveatConfig(convertToJSONString(caveatConfig));
}
finally
{
readLock.lock();
writeLock.unlock();
}
}
}
finally
{
readLock.unlock();
}
}
@@ -843,26 +987,37 @@ public class RMCaveatConfigComponentImpl implements ContentServicePolicies.OnCon
*/
public void removeRMConstraintListAuthority(String listName, String authorityName)
{
Map<String, List<String>> members = caveatConfig.get(listName);
if(members != null)
Map<String, List<String>> members = null;
try
{
members.remove(listName);
writeLock.lock();
members = caveatConfig.get(listName);
if(members != null)
{
members.remove(listName);
}
caveatConfig.put(listName, members);
updateOrCreateCaveatConfig(convertToJSONString(caveatConfig));
}
updateOrCreateCaveatConfig(convertToJSONString(caveatConfig));
}
finally
{
writeLock.unlock();
}
}
/**
* @param config the configuration to convert
* @return a String containing the JSON representation of the configuration.
*/
private String convertToJSONString(Map<String, Map<String, List<String>>> config)
private String convertToJSONString(SimpleCache<String, Map<String, List<String>>> config)
{
JSONObject obj = new JSONObject();
try
{
Set<String> listNames = config.keySet();
Collection<String> listNames = config.getKeys();
for(String listName : listNames)
{
Map<String, List<String>> members = config.get(listName);
@@ -932,14 +1087,30 @@ public class RMCaveatConfigComponentImpl implements ContentServicePolicies.OnCon
public void deleteRMConstraint(String listName)
{
caveatConfig.remove(listName);
updateOrCreateCaveatConfig(convertToJSONString(caveatConfig));
try
{
writeLock.lock();
caveatConfig.remove(listName);
updateOrCreateCaveatConfig(convertToJSONString(caveatConfig));
}
finally
{
writeLock.unlock();
}
}
public void addRMConstraint(String listName)
{
Map<String, List<String>> emptyConstraint = new HashMap<String, List<String>>(0);
caveatConfig.put(listName, emptyConstraint);
updateOrCreateCaveatConfig(convertToJSONString(caveatConfig));
try
{
writeLock.lock();
Map<String, List<String>> emptyConstraint = new HashMap<String, List<String>>(0);
caveatConfig.put(listName, emptyConstraint);
updateOrCreateCaveatConfig(convertToJSONString(caveatConfig));
}
finally
{
writeLock.unlock();
}
}
}