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/*
* 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.spi.commons;
import org.apache.jackrabbit.spi.Batch;
import org.apache.jackrabbit.spi.NodeId;
import org.apache.jackrabbit.spi.QValue;
import org.apache.jackrabbit.spi.PropertyId;
import org.apache.jackrabbit.spi.ItemId;
import org.apache.jackrabbit.spi.Name;
import org.apache.jackrabbit.spi.Tree;
import javax.jcr.RepositoryException;
import javax.jcr.ValueFormatException;
import javax.jcr.PathNotFoundException;
import javax.jcr.AccessDeniedException;
import javax.jcr.UnsupportedRepositoryOperationException;
import javax.jcr.ItemNotFoundException;
import javax.jcr.nodetype.ConstraintViolationException;
import javax.jcr.nodetype.NoSuchNodeTypeException;
import javax.jcr.lock.LockException;
import javax.jcr.version.VersionException;
import java.io.Serializable;
import java.util.List;
import java.util.ArrayList;
/**
* SerializableBatch implements a serializable SPI Batch, which
* simply records all calls and replays them when asked for. The client of
* this batch must ensure that the passed {@link QValue} instances are
* serializable, otherwise the serializing the Batch will fail!
*/
public class SerializableBatch implements Batch, Serializable {
private List recording = new ArrayList();
private final ItemId itemId;
/**
* Creates a new SerializableBatch.
*
* @param itemId the id of the item where save was called. To indicate that
* save was called on the session, the id of the root node
* must be passed.
*/
public SerializableBatch(ItemId itemId) {
this.itemId = itemId;
}
/**
* @return the item id where save was called for this batch.
*/
public ItemId getSaveTarget() {
return itemId;
}
/**
* Replays this batch on the given batch. For a description of
* the exception see {@link org.apache.jackrabbit.spi.RepositoryService#submit(Batch)}.
*
* @param batch the target batch.
*/
public void replay(Batch batch) throws PathNotFoundException, ItemNotFoundException, NoSuchNodeTypeException, ValueFormatException, VersionException, LockException, ConstraintViolationException, AccessDeniedException, UnsupportedRepositoryOperationException, RepositoryException {
for (Operation operation : recording) {
operation.replay(batch);
}
}
//----------------------------< Batch >-------------------------------------
public void addNode(NodeId parentId,
Name nodeName,
Name nodetypeName,
String uuid) {
recording.add(new AddNode(parentId, nodeName, nodetypeName, uuid));
}
public void addProperty(NodeId parentId, Name propertyName, QValue value) {
recording.add(new AddProperty(parentId, propertyName,
new QValue[]{value}, false));
}
public void addProperty(NodeId parentId,
Name propertyName,
QValue[] values) {
recording.add(new AddProperty(parentId, propertyName, values, true));
}
public void setValue(PropertyId propertyId, QValue value) {
recording.add(new SetValue(propertyId, new QValue[]{value}, false));
}
public void setValue(PropertyId propertyId, QValue[] values) {
recording.add(new SetValue(propertyId, values, true));
}
public void remove(ItemId itemId) {
recording.add(new Remove(itemId));
}
public void reorderNodes(NodeId parentId,
NodeId srcNodeId,
NodeId beforeNodeId) {
recording.add(new ReorderNodes(parentId, srcNodeId, beforeNodeId));
}
public void setMixins(NodeId nodeId, Name[] mixinNodeTypeIds) {
recording.add(new SetMixins(nodeId, mixinNodeTypeIds));
}
public void setPrimaryType(NodeId nodeId, Name primaryNodeTypeName) throws RepositoryException {
recording.add(new SetPrimaryType(nodeId, primaryNodeTypeName));
}
public void move(NodeId srcNodeId,
NodeId destParentNodeId,
Name destName) {
recording.add(new Move(srcNodeId, destParentNodeId, destName));
}
public void setTree(NodeId parentId, Tree contentTree)
throws RepositoryException {
recording.add(new SetTree(parentId, contentTree));
}
//----------------------------< internal >----------------------------------
public interface Operation extends Serializable {
/**
* Replays this operation on the given batch.
*
* @param batch the batch.
* @throws RepositoryException if an error occurs replaying the
* operation.
*/
public void replay(Batch batch) throws RepositoryException;
}
private static class AddNode implements Operation {
private final NodeId parentId;
private final Name nodeName;
private final Name nodetypeName;
private final String uuid;
AddNode(NodeId parentId, Name nodeName, Name nodetypeName, String uuid) {
this.parentId = parentId;
this.nodeName = nodeName;
this.nodetypeName = nodetypeName;
this.uuid = uuid;
}
/**
* {@inheritDoc}
*/
public void replay(Batch batch) throws RepositoryException {
batch.addNode(parentId, nodeName, nodetypeName, uuid);
}
}
private static class SetTree implements Operation {
private final NodeId parentId;
private final Tree contentTree;
SetTree(NodeId parentId, Tree contentTree) {
this.parentId = parentId;
this.contentTree = contentTree;
}
/**
* {@inheritDoc}
*/
public void replay(Batch batch) throws RepositoryException {
batch.setTree(parentId, contentTree);
}
}
private static class AddProperty implements Operation {
private final NodeId parentId;
private final Name propertyName;
private final QValue[] values;
private final boolean isMultiValued;
AddProperty(NodeId parentId, Name propertyName,
QValue[] values, boolean isMultiValued) {
this.parentId = parentId;
this.propertyName = propertyName;
this.values = values;
this.isMultiValued = isMultiValued;
}
/**
* {@inheritDoc}
*/
public void replay(Batch batch) throws RepositoryException {
if (isMultiValued) {
batch.addProperty(parentId, propertyName, values);
} else {
batch.addProperty(parentId, propertyName, values[0]);
}
}
}
private static class SetValue implements Operation {
private final PropertyId propertyId;
private final QValue[] values;
private final boolean isMultiValued;
SetValue(PropertyId propertyId, QValue[] values, boolean isMultiValued) {
this.propertyId = propertyId;
this.values = values;
this.isMultiValued = isMultiValued;
}
/**
* {@inheritDoc}
*/
public void replay(Batch batch) throws RepositoryException {
if (isMultiValued) {
batch.setValue(propertyId, values);
} else {
batch.setValue(propertyId, values[0]);
}
}
}
private static class Remove implements Operation {
private final ItemId itemId;
Remove(ItemId itemId) {
this.itemId = itemId;
}
/**
* {@inheritDoc}
*/
public void replay(Batch batch) throws RepositoryException {
batch.remove(itemId);
}
}
private static class ReorderNodes implements Operation {
private final NodeId parentId;
private final NodeId srcNodeId;
private final NodeId beforeNodeId;
ReorderNodes(NodeId parentId, NodeId srcNodeId, NodeId beforeNodeId) {
this.parentId = parentId;
this.srcNodeId = srcNodeId;
this.beforeNodeId = beforeNodeId;
}
/**
* {@inheritDoc}
*/
public void replay(Batch batch) throws RepositoryException {
batch.reorderNodes(parentId, srcNodeId, beforeNodeId);
}
}
private static class SetMixins implements Operation {
private final NodeId nodeId;
private final Name[] mixinNodeTypeNames;
SetMixins(NodeId nodeId, Name[] mixinNodeTypeNames) {
this.nodeId = nodeId;
this.mixinNodeTypeNames = mixinNodeTypeNames;
}
/**
* {@inheritDoc}
*/
public void replay(Batch batch) throws RepositoryException {
batch.setMixins(nodeId, mixinNodeTypeNames);
}
}
private static class SetPrimaryType implements Operation {
private final NodeId nodeId;
private final Name primaryNodeTypeName;
SetPrimaryType(NodeId nodeId, Name primaryNodeTypeName) {
this.nodeId = nodeId;
this.primaryNodeTypeName = primaryNodeTypeName;
}
/**
* {@inheritDoc}
*/
public void replay(Batch batch) throws RepositoryException {
batch.setPrimaryType(nodeId, primaryNodeTypeName);
}
}
private static class Move implements Operation {
private final NodeId srcNodeId;
private final NodeId destParentNodeId;
private final Name destName;
Move(NodeId srcNodeId, NodeId destParentNodeId, Name destName) {
this.srcNodeId = srcNodeId;
this.destParentNodeId = destParentNodeId;
this.destName = destName;
}
/**
* {@inheritDoc}
*/
public void replay(Batch batch) throws RepositoryException {
batch.move(srcNodeId, destParentNodeId, destName);
}
}
}
