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Posted to oak-commits@jackrabbit.apache.org by mr...@apache.org on 2014/12/10 15:39:51 UTC
svn commit: r1644432 - in /jackrabbit/oak/branches/1.0: ./
oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/NodeDocument.java
oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStoreTest.java
Author: mreutegg
Date: Wed Dec 10 14:39:51 2014
New Revision: 1644432
URL: http://svn.apache.org/r1644432
Log:
OAK-2336: NodeDocument.getNodeAtRevision() may read too many revisions
Merged revision 1644407 from trunk with some changes from OAK-1794 (1608731)
Modified:
jackrabbit/oak/branches/1.0/ (props changed)
jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/NodeDocument.java
jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStoreTest.java
Propchange: jackrabbit/oak/branches/1.0/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Wed Dec 10 14:39:51 2014
@@ -1,2 +1,2 @@
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2,1644016,1644106,1644366
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2,1644016,1644106,1644366,1644407
/jackrabbit/trunk:1345480
Modified: jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/NodeDocument.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/NodeDocument.java?rev=1644432&r1=1644431&r2=1644432&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/NodeDocument.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/NodeDocument.java Wed Dec 10 14:39:51 2014
@@ -616,12 +616,7 @@ public final class NodeDocument extends
public String getCommitRootPath(Revision revision) {
String depth = getCommitRootDepth(revision);
if (depth != null) {
- if (depth.equals("0")) {
- return "/";
- }
- String p = getPath();
- return PathUtils.getAncestorPath(p,
- PathUtils.getDepth(p) - Integer.parseInt(depth));
+ return getPathAtDepth(depth);
}
return null;
}
@@ -774,7 +769,7 @@ public final class NodeDocument extends
// check if there may be more recent values in a previous document
if (value != null && !getPreviousRanges().isEmpty()) {
Revision newest = getLocalMap(key).firstKey();
- if (!value.revision.equals(newest)) {
+ if (isRevisionNewer(nodeStore, newest, value.revision)) {
// not reading the most recent value, we may need to
// consider previous documents as well
Revision newestPrev = getPreviousRanges().firstKey();
@@ -1408,20 +1403,49 @@ public final class NodeDocument extends
*/
@CheckForNull
private NodeDocument getCommitRoot(@Nonnull Revision rev) {
- if (containsRevision(rev)) {
+ // check local revisions and commitRoot first
+ if (getLocalRevisions().containsKey(rev)) {
return this;
}
- String commitRootPath = getCommitRootPath(rev);
- if (commitRootPath == null) {
- // may happen for a commit root document, which hasn't been
- // updated with the commit revision yet
- return null;
+ String commitRootPath;
+ String depth = getLocalCommitRoot().get(rev);
+ if (depth != null) {
+ commitRootPath = getPathAtDepth(depth);
+ } else {
+ // fall back to complete check, including previous documents
+ if (containsRevision(rev)) {
+ return this;
+ }
+ commitRootPath = getCommitRootPath(rev);
+ if (commitRootPath == null) {
+ // may happen for a commit root document, which hasn't been
+ // updated with the commit revision yet
+ return null;
+ }
}
// get root of commit
return store.find(Collection.NODES, Utils.getIdFromPath(commitRootPath));
}
/**
+ * Returns the path at the given {@code depth} based on the path of this
+ * document.
+ *
+ * @param depth the depth as a string.
+ * @return the path.
+ * @throws NumberFormatException if {@code depth} cannot be parsed as an
+ * integer.
+ */
+ @Nonnull
+ private String getPathAtDepth(@Nonnull String depth) {
+ if (checkNotNull(depth).equals("0")) {
+ return "/";
+ }
+ String p = getPath();
+ return PathUtils.getAncestorPath(p, PathUtils.getDepth(p) - Integer.parseInt(depth));
+ }
+
+ /**
* Returns the commit root depth for the given revision. This method also
* takes previous documents into account.
*
Modified: jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStoreTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStoreTest.java?rev=1644432&r1=1644431&r2=1644432&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStoreTest.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStoreTest.java Wed Dec 10 14:39:51 2014
@@ -22,6 +22,7 @@ import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
+import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;
import java.util.concurrent.Semaphore;
@@ -55,6 +56,7 @@ import org.junit.After;
import org.junit.Test;
import com.google.common.collect.Iterables;
+import com.google.common.collect.Sets;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.apache.jackrabbit.oak.api.CommitFailedException.CONSTRAINT;
@@ -700,6 +702,59 @@ public class DocumentNodeStoreTest {
store1.dispose();
}
+ // OAK-2336
+ @Test
+ public void readBranchCommit() throws Exception {
+ final Set<String> readSet = Sets.newHashSet();
+ DocumentStore store = new MemoryDocumentStore() {
+ @Override
+ public <T extends Document> T find(Collection<T> collection,
+ String key) {
+ readSet.add(key);
+ return super.find(collection, key);
+ }
+ };
+ DocumentNodeStore ns = new DocumentMK.Builder()
+ .setDocumentStore(store).setAsyncDelay(0).getNodeStore();
+ NodeBuilder builder = ns.getRoot().builder();
+ String testId = Utils.getIdFromPath("/test");
+ NodeBuilder test = builder.child("test");
+ test.setProperty("p", "value");
+ // force creation of branch
+ int q = 0;
+ while (store.find(NODES, testId) == null) {
+ test.setProperty("q", q++);
+ }
+ merge(ns, builder);
+
+ // commit enough changes for a previous doc
+ for (int i = 0; i < NUM_REVS_THRESHOLD; i++) {
+ builder = ns.getRoot().builder();
+ builder.child("test").setProperty("q", i);
+ merge(ns, builder);
+ }
+ // trigger split
+ ns.runBackgroundOperations();
+
+ NodeDocument doc = store.find(NODES, Utils.getIdFromPath("/test"));
+ assertNotNull(doc);
+
+ readSet.clear();
+
+ // must not access previous document of /test
+ doc.getNodeAtRevision(ns, ns.getHeadRevision(), null);
+ for (String id : Sets.newHashSet(readSet)) {
+ doc = store.find(NODES, id);
+ assertNotNull(doc);
+ if (doc.isSplitDocument() && !doc.getMainPath().equals("/")) {
+ fail("must not access previous document: " + id);
+ }
+ }
+
+ ns.dispose();
+ }
+
+
private static void merge(NodeStore store, NodeBuilder root)
throws CommitFailedException {
store.merge(root, EmptyHook.INSTANCE, CommitInfo.EMPTY);