Paul Holmes-Higgin cefda8c965 Updated header to LGPL
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@18931 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2010-03-01 22:48:39 +00:00

204 lines
5.3 KiB
Java

/*
* Copyright (C) 2005-2010 Alfresco Software Limited.
*
* This file is part of Alfresco
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
*/
package org.alfresco.repo.domain.hibernate;
import java.io.Serializable;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock.ReadLock;
import java.util.concurrent.locks.ReentrantReadWriteLock.WriteLock;
import org.alfresco.repo.domain.DbPermission;
import org.alfresco.repo.domain.DbPermissionKey;
import org.alfresco.repo.domain.qname.QNameDAO;
import org.alfresco.service.namespace.QName;
import org.alfresco.util.EqualsHelper;
import org.hibernate.Session;
/**
* The persisted class for permissions.
*
* @author andyh
*/
public class DbPermissionImpl implements DbPermission, Serializable
{
private static final long serialVersionUID = -6352566900815035461L;
private Long id;
private Long version;
private Long typeQNameId;
private String name;
private transient ReadLock refReadLock;
private transient WriteLock refWriteLock;
private transient QName typeQName;
public DbPermissionImpl()
{
super();
ReentrantReadWriteLock lock = new ReentrantReadWriteLock();
refReadLock = lock.readLock();
refWriteLock = lock.writeLock();
}
@Override
public String toString()
{
StringBuilder sb = new StringBuilder(128);
sb.append("DbPermissionImpl")
.append("[ id=").append(id)
.append(", version=").append(version)
.append(", typeQName=").append(typeQNameId)
.append(", name=").append(getName())
.append("]");
return sb.toString();
}
@Override
public boolean equals(Object o)
{
if (this == o)
{
return true;
}
if (!(o instanceof DbPermission))
{
return false;
}
DbPermission other = (DbPermission) o;
return (EqualsHelper.nullSafeEquals(typeQNameId, other.getTypeQNameId()))
&& (EqualsHelper.nullSafeEquals(name, other.getName())
);
}
@Override
public int hashCode()
{
return typeQNameId.hashCode() + (37 * name.hashCode());
}
public QName getTypeQName(QNameDAO qnameDAO)
{
refReadLock.lock();
try
{
if (typeQName != null)
{
return typeQName;
}
}
finally
{
refReadLock.unlock();
}
refWriteLock.lock();
try
{
typeQName = qnameDAO.getQName(typeQNameId).getSecond();
return typeQName;
}
finally
{
refWriteLock.unlock();
}
}
public Long getId()
{
return id;
}
/**
* For Hibernate use
*/
@SuppressWarnings("unused")
private void setId(Long id)
{
this.id = id;
}
public Long getVersion()
{
return version;
}
/**
* For Hibernate use
*/
@SuppressWarnings("unused")
private void setVersion(Long version)
{
this.version = version;
}
public Long getTypeQNameId()
{
return typeQNameId;
}
public void setTypeQNameId(Long typeQNameId)
{
refWriteLock.lock();
try
{
this.typeQNameId = typeQNameId;
this.typeQName = null;
}
finally
{
refWriteLock.unlock();
}
}
public String getName()
{
return name;
}
public void setName(String name)
{
this.name = name;
}
public DbPermissionKey getKey()
{
return new DbPermissionKey(typeQNameId, name);
}
/**
* Helper method to find a permission based on its natural key
*
* @param session
* the Hibernate session to use
* @param qname
* the type qualified name
* @param name
* the name of the permission
* @return Returns an existing instance or null if not found
*/
public static DbPermission find(Session session, QName qname, String name)
{
// Query query = session
// .getNamedQuery(PermissionsDaoComponentImpl.QUERY_GET_PERMISSION)
// .setString("permissionTypeQName", qname.toString())
// .setString("permissionName", name);
// return (DbPermission) query.uniqueResult();
throw new UnsupportedOperationException("TODO");
}
}