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 /*
  * Copyright (c) OSGi Alliance (2008, 2012). All Rights Reserved.
  * 
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.osgi.service.condpermadmin;
Update the Conditional Permission Table. There may be many update objects in the system at one time. If commit is called and the Conditional Permission Table has been modified since this update was created, then the call to commit will fail and this object should be discarded.

Version:
$Id: 7487aa7d2558f34c0115b924180ed17e6e13e22e $
Since:
1.1
ThreadSafe:
Noimplement:
public interface ConditionalPermissionUpdate {
This method returns the list of ConditionalPermissionInfos for this update. This list is originally based on the Conditional Permission Table at the time this update was created. The list returned by this method will be replace the Conditional Permission Table if commit is called and is successful.

The delete method of the ConditionalPermissionInfos in the list must throw UnsupportedOperationException.

The list returned by this method is ordered and the most significant table entry is the first entry in the list.

Returns:
A List of the ConditionalPermissionInfos which represent the Conditional Permissions maintained by this update. Modifications to this list will not affect the Conditional Permission Table until successfully committed. The list may be empty if the Conditional Permission Table was empty when this update was created.
Commit this update. If no changes have been made to the Conditional Permission Table since this update was created, then this method will replace the Conditional Permission Table with this update's Conditional Permissions. This method may only be successfully called once on this object.

If any of the ConditionalPermissionInfos in the update list has null as a name it will be replaced with a new ConditionalPermissionInfo object that has a generated name which is unique within the list.

No two entries in this update's Conditional Permissions may have the same name. Other consistency checks may also be performed. If this update's Conditional Permissions are determined to be inconsistent in some way then an IllegalStateException will be thrown.

This method returns false if the commit did not occur because the Conditional Permission Table has been modified since the creation of this update.

Returns:
true if the commit was successful. false if the commit did not occur because the Conditional Permission Table has been modified since the creation of this update.
Throws:
java.lang.SecurityException If the caller does not have AllPermission.
java.lang.IllegalStateException If this update's Conditional Permissions are not valid or inconsistent. For example, this update has two Conditional Permissions in it with the same name.
	boolean commit();
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