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Posted to oak-commits@jackrabbit.apache.org by ba...@apache.org on 2015/03/11 19:40:21 UTC
svn commit: r1665962 -
/jackrabbit/oak/branches/1.0/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/RepositorySidegrade.java
Author: baedke
Date: Wed Mar 11 18:40:21 2015
New Revision: 1665962
URL: http://svn.apache.org/r1665962
Log:
OAK-1859: Migration from TarMK to MongoMK
Adding new class RepositorySidegrade that implements migrations between Oak instances.
Added:
jackrabbit/oak/branches/1.0/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/RepositorySidegrade.java (with props)
Added: jackrabbit/oak/branches/1.0/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/RepositorySidegrade.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/RepositorySidegrade.java?rev=1665962&view=auto
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/RepositorySidegrade.java (added)
+++ jackrabbit/oak/branches/1.0/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/RepositorySidegrade.java Wed Mar 11 18:40:21 2015
@@ -0,0 +1,134 @@
+/*
+ * 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.oak.upgrade;
+
+import javax.jcr.RepositoryException;
+
+import com.google.common.base.Charsets;
+import org.apache.jackrabbit.oak.api.CommitFailedException;
+import org.apache.jackrabbit.oak.api.PropertyState;
+import org.apache.jackrabbit.oak.plugins.nodetype.write.InitialContent;
+import org.apache.jackrabbit.oak.plugins.segment.SegmentNodeBuilder;
+import org.apache.jackrabbit.oak.spi.commit.CommitInfo;
+import org.apache.jackrabbit.oak.spi.commit.EmptyHook;
+import org.apache.jackrabbit.oak.spi.state.ChildNodeEntry;
+import org.apache.jackrabbit.oak.spi.state.NodeBuilder;
+import org.apache.jackrabbit.oak.spi.state.NodeState;
+import org.apache.jackrabbit.oak.spi.state.NodeStore;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class RepositorySidegrade {
+
+ /**
+ * Logger instance
+ */
+ private static final Logger logger =
+ LoggerFactory.getLogger(RepositorySidegrade.class);
+
+ /**
+ * Target node store.
+ */
+ private final NodeStore target;
+
+ private final NodeStore source;
+
+ private boolean copyBinariesByReference = false;
+
+ /**
+ * Creates a tool for copying the full contents of the source repository
+ * to the given target repository. Any existing content in the target
+ * repository will be overwritten.
+ *
+ * @param source source node store
+ * @param target target node store
+ */
+ public RepositorySidegrade(NodeStore source, NodeStore target) {
+ this.source = source;
+ this.target = target;
+ }
+
+ public boolean isCopyBinariesByReference() {
+ return copyBinariesByReference;
+ }
+
+ public void setCopyBinariesByReference(boolean copyBinariesByReference) {
+ this.copyBinariesByReference = copyBinariesByReference;
+ }
+
+ /**
+ * Copies the full content from the source to the target repository.
+ * <p>
+ * The source repository <strong>must not be modified</strong> while
+ * the copy operation is running to avoid an inconsistent copy.
+ * <p>
+ * Note that both the source and the target repository must be closed
+ * during the copy operation as this method requires exclusive access
+ * to the repositories.
+ *
+ * @throws RepositoryException if the copy operation fails
+ */
+ public void copy() throws RepositoryException {
+ try {
+ NodeState root = source.getRoot();
+ NodeBuilder builder = target.getRoot().builder();
+
+ new InitialContent().initialize(builder);
+
+ copyState(builder, root);
+
+ target.merge(builder, EmptyHook.INSTANCE, CommitInfo.EMPTY);
+ } catch (Exception e) {
+ throw new RepositoryException("Failed to copy content", e);
+ }
+ }
+
+ private void copyState(NodeBuilder parent, NodeState state) throws CommitFailedException {
+ boolean isSegmentNodeBuilder = parent instanceof SegmentNodeBuilder;
+ for (PropertyState property : state.getProperties()) {
+ parent.setProperty(property);
+ }
+ for (ChildNodeEntry entry : state.getChildNodeEntries()) {
+ if (isSegmentNodeBuilder) {
+ parent.setChildNode(entry.getName(), entry.getNodeState());
+ } else {
+ setChildNode(parent, entry.getName(), entry.getNodeState());
+ }
+ }
+ target.merge(parent, EmptyHook.INSTANCE, CommitInfo.EMPTY);
+ }
+
+ /**
+ * NodeState are copied by value by recursing down the complete tree
+ * This is a temporary approach for OAK-1760 for 1.0 branch.
+ */
+ private void setChildNode(NodeBuilder parent, String name, NodeState state) {
+ // OAK-1589: maximum supported length of name for DocumentNodeStore
+ // is 150 bytes. Skip the sub tree if the the name is too long
+ if (name.length() > 37 && name.getBytes(Charsets.UTF_8).length > 150) {
+ logger.warn("Node name too long. Skipping {}", state);
+ return;
+ }
+ NodeBuilder builder = parent.setChildNode(name);
+ for (PropertyState property : state.getProperties()) {
+ builder.setProperty(property);
+ }
+ for (ChildNodeEntry child : state.getChildNodeEntries()) {
+ setChildNode(builder, child.getName(), child.getNodeState());
+ }
+ }
+}
Propchange: jackrabbit/oak/branches/1.0/oak-upgrade/src/main/java/org/apache/jackrabbit/oak/upgrade/RepositorySidegrade.java
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svn:executable = *