/*
* 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.jcr2spi.operation;
import javax.jcr.AccessDeniedException;
import javax.jcr.ItemNotFoundException;
import javax.jcr.RepositoryException;
import javax.jcr.UnsupportedRepositoryOperationException;
import javax.jcr.nodetype.ConstraintViolationException;
import javax.jcr.version.VersionException;
import org.apache.jackrabbit.jcr2spi.state.NodeState;
import org.apache.jackrabbit.spi.NodeId;
import org.apache.jackrabbit.spi.Path;
/**
* <code>ReorderNodes</code>...
*/
public class ReorderNodes extends AbstractOperation {
private final NodeId parentId;
private final NodeId insertId;
private final NodeId beforeId;
private final NodeState parentState;
private final NodeState insert;
private final NodeState before;
private ReorderNodes(NodeState parentState, NodeState insert, NodeState before)
throws RepositoryException {
this.parentState = parentState;
this.insert = insert;
this.before = before;
this.parentId = parentState.getNodeId();
this.insertId = insert.getNodeId();
this.beforeId = (before == null) ? null : before.getNodeId();
addAffectedItemState(parentState);
}
//----------------------------------------------------------< Operation >---
/**
*
* @param visitor
*/
public void accept(OperationVisitor visitor) throws ConstraintViolationException, AccessDeniedException, UnsupportedRepositoryOperationException, VersionException, RepositoryException {
assert status == STATUS_PENDING;
visitor.visit(this);
}
/**
* Throws UnsupportedOperationException
*
* @see Operation#persisted()
*/
public void persisted() throws RepositoryException {
assert status == STATUS_PENDING;
status = STATUS_PERSISTED;
insert.getHierarchyEntry().complete(this);
}
/**
* @see Operation#undo()
*/
@Override
public void undo() throws RepositoryException {
assert status == STATUS_PENDING;
status = STATUS_UNDO;
insert.getHierarchyEntry().complete(this);
}
//----------------------------------------< Access Operation Parameters >---
public NodeId getParentId() {
return parentId;
}
public NodeId getInsertId() {
return insertId;
}
public NodeId getBeforeId() {
return beforeId;
}
public NodeState getParentState() {
return parentState;
}
public NodeState getInsertNode() {
return insert;
}
public NodeState getBeforeNode() {
return before;
}
//------------------------------------------------------------< Factory >---
public static Operation create(
NodeState parentState, Path srcPath, Path beforePath)
throws ItemNotFoundException, RepositoryException {
// make sure the parent hierarchy entry has its child entries loaded
assertChildNodeEntries(parentState);
NodeState insert = parentState.getChildNodeState(
srcPath.getName(), srcPath.getNormalizedIndex());
NodeState before = null;
if (beforePath != null) {
before = parentState.getChildNodeState(
beforePath.getName(), beforePath.getNormalizedIndex());
}
return new ReorderNodes(parentState, insert, before);
}
}