/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.jackrabbit.core.persistence.check;
import javax.jcr.RepositoryException;
import org.apache.jackrabbit.core.cluster.UpdateEventChannel;
/**
* Optional interface for Persistence Managers. Allows running consistency
* checks similar to the base one (see
* {@link org.apache.jackrabbit.core.persistence.bundle.AbstractBundlePersistenceManager#checkConsistency(String[], boolean, boolean)})
* but providing a result that can be acted upon.
* <p>
* <em>Beware: this interface is designed for unit tests only.</em>
*/
public interface ConsistencyChecker {
/**
* Set the update event channel. Needed to inform the cluster of any changes made during repairs.
*
* @param eventChannel the update event channel
*/
public void setEventChannel(UpdateEventChannel eventChannel);
/**
* Perform a consistency check of the data. An example are non-existent
* nodes referenced in a child node entry. The existence of this feature and
* the scope of the implementation can vary in different PersistenceManager
* implementations.
*
* @param uuids
* list of UUIDs of nodes to be checked. if null, all nodes will
* be checked
* @param recursive
* if true, the tree(s) below the given node(s) will be traversed
* and checked as well
* @param fix
* if true, any problems found that can be repaired will be
* repaired. if false, no data will be modified, instead all
* inconsistencies will only get logged
* @param lostNFoundId
* node to which to attach orphaned nodes (or <code>null</code>,
* in which case orphaned nodes will not get moved); this node
* should be of a node type that allows adding arbitrary child
* nodes
* @param listener
* to be called on each node that was checked (may be <code>null</code>)
*/
ConsistencyReport check(String[] uuids, boolean recursive, boolean fix,
String lostNFoundId, ConsistencyCheckListener listener)
throws RepositoryException;
}