/*
* 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 java.util.Iterator;
import javax.jcr.AccessDeniedException;
import javax.jcr.ItemExistsException;
import javax.jcr.RepositoryException;
import javax.jcr.UnsupportedRepositoryOperationException;
import javax.jcr.nodetype.ConstraintViolationException;
import javax.jcr.nodetype.NoSuchNodeTypeException;
import javax.jcr.version.VersionException;
import org.apache.jackrabbit.jcr2spi.hierarchy.HierarchyEntry;
import org.apache.jackrabbit.jcr2spi.hierarchy.NodeEntry;
import org.apache.jackrabbit.jcr2spi.state.NodeState;
import org.apache.jackrabbit.jcr2spi.version.VersionManager;
import org.apache.jackrabbit.spi.NodeId;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* <code>Merge</code>...
*/
public class Merge extends AbstractOperation {
private static Logger log = LoggerFactory.getLogger(Merge.class);
private final NodeState nodeState;
private final String srcWorkspaceName;
private final boolean bestEffort;
private final boolean isShallow;
private final VersionManager mgr;
private Iterator<NodeId> failedIds = null;
private Merge(NodeState nodeState, String srcWorkspaceName, boolean bestEffort, boolean isShallow, VersionManager mgr) {
this.nodeState = nodeState;
this.srcWorkspaceName = srcWorkspaceName;
this.bestEffort = bestEffort;
this.isShallow = isShallow;
this.mgr = mgr;
// NOTE: affected-states only needed for transient modifications
}
//----------------------------------------------------------< Operation >---
/**
* @see Operation#accept(OperationVisitor)
*/
public void accept(OperationVisitor visitor) throws RepositoryException, ConstraintViolationException, AccessDeniedException, ItemExistsException, NoSuchNodeTypeException, UnsupportedRepositoryOperationException, VersionException {
assert status == STATUS_PENDING;
visitor.visit(this);
}
/**
* Invalidates the target nodestate and all descendants.
*
* @see Operation#persisted()
*/
public void persisted() {
assert status == STATUS_PENDING;
status = STATUS_PERSISTED;
if (isActivityMerge()) {
// TODO be more specific about what needs to be invalidated
// look for the root entry and invalidate the complete tree
HierarchyEntry entry = nodeState.getNodeEntry();
while (entry.getParent() != null) {
entry = entry.getParent();
}
entry.invalidate(true);
} else {
try {
NodeEntry vhe = mgr.getVersionHistoryEntry(nodeState);
if (vhe != null) {
vhe.invalidate(true);
}
} catch (RepositoryException e) {
log.warn("Error while retrieving VersionHistory entry:", e.getMessage());
}
nodeState.getHierarchyEntry().invalidate(true);
}
}
//----------------------------------------< Access Operation Parameters >---
public NodeId getNodeId() throws RepositoryException {
return nodeState.getNodeEntry().getWorkspaceId();
}
public String getSourceWorkspaceName() {
return srcWorkspaceName;
}
public boolean bestEffort() {
return bestEffort;
}
public boolean isShallow() {
return isShallow;
}
public boolean isActivityMerge() {
return srcWorkspaceName == null;
}
public void setFailedIds(Iterator<NodeId> failedIds) {
if (failedIds == null) {
throw new IllegalArgumentException("IdIterator must not be null.");
}
if (this.failedIds != null) {
throw new IllegalStateException("Merge operation has already been executed -> FailedIds already set.");
}
this.failedIds = failedIds;
}
public Iterator<NodeId> getFailedIds() {
if (failedIds == null) {
throw new IllegalStateException("Merge operation has not been executed yet.");
}
return failedIds;
}
//------------------------------------------------------------< Factory >---
/**
*
* @param nodeState
* @param srcWorkspaceName
* @return
*/
public static Merge create(NodeState nodeState, String srcWorkspaceName, boolean bestEffort, boolean isShallow, VersionManager mgr) {
return new Merge(nodeState, srcWorkspaceName, bestEffort, isShallow, mgr);
}
}