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Posted to oak-commits@jackrabbit.apache.org by md...@apache.org on 2013/09/20 16:27:33 UTC

svn commit: r1525016 - in /jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak: core/ kernel/ plugins/memory/

Author: mduerig
Date: Fri Sep 20 14:27:33 2013
New Revision: 1525016

URL: http://svn.apache.org/r1525016
Log:
OAK-659 Move purge logic for transient changes below the NodeBuilder interface
Avoid falling back to MemoryNodeBuilder.moveTo/copyTo in case the newParent is SecureNodeBuilder

Added:
    jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/kernel/FastCopyMove.java
Modified:
    jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/core/MutableTree.java
    jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/core/SecureNodeBuilder.java
    jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/kernel/KernelNodeBuilder.java
    jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/kernel/KernelRootBuilder.java
    jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/memory/MemoryNodeBuilder.java

Modified: jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/core/MutableTree.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/core/MutableTree.java?rev=1525016&r1=1525015&r2=1525016&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/core/MutableTree.java (original)
+++ jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/core/MutableTree.java Fri Sep 20 14:27:33 2013
@@ -391,7 +391,6 @@ public class MutableTree extends Abstrac
     boolean moveTo(MutableTree newParent, String newName) {
         name = newName;
         parent = newParent;
-        // FIXME this falls back to MemoryNodeBuilder#moveTo if newParent is a SecureNodeState
         return nodeBuilder.moveTo(newParent.nodeBuilder, newName);
     }
 
@@ -402,7 +401,6 @@ public class MutableTree extends Abstrac
      * @param newName   new name for this tree
      */
     boolean copyTo(MutableTree newParent, String newName) {
-        // FIXME this falls back to MemoryNodeBuilder#copyTo if newParent is a SecureNodeState
         return nodeBuilder.copyTo(newParent.nodeBuilder, newName);
     }
 

Modified: jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/core/SecureNodeBuilder.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/core/SecureNodeBuilder.java?rev=1525016&r1=1525015&r2=1525016&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/core/SecureNodeBuilder.java (original)
+++ jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/core/SecureNodeBuilder.java Fri Sep 20 14:27:33 2013
@@ -35,13 +35,15 @@ import com.google.common.base.Predicate;
 import org.apache.jackrabbit.oak.api.Blob;
 import org.apache.jackrabbit.oak.api.PropertyState;
 import org.apache.jackrabbit.oak.api.Type;
+import org.apache.jackrabbit.oak.kernel.FastCopyMove;
+import org.apache.jackrabbit.oak.kernel.KernelNodeBuilder;
 import org.apache.jackrabbit.oak.spi.security.Context;
 import org.apache.jackrabbit.oak.spi.security.authorization.permission.PermissionProvider;
 import org.apache.jackrabbit.oak.spi.state.NodeBuilder;
 import org.apache.jackrabbit.oak.spi.state.NodeState;
 import org.apache.jackrabbit.oak.util.LazyValue;
 
-class SecureNodeBuilder implements NodeBuilder {
+class SecureNodeBuilder implements NodeBuilder, FastCopyMove {
 
     /**
      * Root builder, or {@code this} for the root builder itself.
@@ -323,6 +325,30 @@ class SecureNodeBuilder implements NodeB
     }
 
     /**
+     * This implementation simply delegates back to {@code moveTo} method
+     * of {@code source} passing the underlying builder for {@code newParent}.
+     * @param source  source to move to this builder
+     * @param newName  the new name
+     * @return
+     */
+    @Override
+    public boolean moveFrom(KernelNodeBuilder source, String newName) {
+        return source.moveTo(builder, newName);
+    }
+
+    /**
+     * This implementation simply delegates back to {@code copyTo} method
+     * of {@code source} passing the underlying builder for {@code newParent}.
+     * @param source  source to move to this builder
+     * @param newName  the new name
+     * @return
+     */
+    @Override
+    public boolean copyFrom(KernelNodeBuilder source, String newName) {
+        return source.copyTo(builder, newName);
+    }
+
+    /**
      * Security context of this subtree. This accessor memoises the security context
      * as long as {@link #reset(NodeState)} has not been called.
      */

Added: jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/kernel/FastCopyMove.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/kernel/FastCopyMove.java?rev=1525016&view=auto
==============================================================================
--- jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/kernel/FastCopyMove.java (added)
+++ jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/kernel/FastCopyMove.java Fri Sep 20 14:27:33 2013
@@ -0,0 +1,46 @@
+/*
+ * 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.kernel;
+
+/**
+ * This interface is intended to be implemented by
+ * {@link org.apache.jackrabbit.oak.spi.state.NodeBuilder} implementations to indicate
+ * support for optimised move and copy operations.
+ */
+public interface FastCopyMove {
+
+    /**
+     * Move the {@code source} builder to this builder with the
+     * given new name
+     * @param source  source to move to this builder
+     * @param newName  the new name
+     * @return  {@code true} on success, {@code false} otherwise
+     */
+    boolean moveFrom(KernelNodeBuilder source, String newName);
+
+    /**
+     * Copy the {@code source} builder to this builder with the
+     * given new name
+     * @param source  source to copy to this builder
+     * @param newName  the new name
+     * @return  {@code true} on success, {@code false} otherwise
+     */
+    boolean copyFrom(KernelNodeBuilder source, String newName);
+}

Modified: jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/kernel/KernelNodeBuilder.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/kernel/KernelNodeBuilder.java?rev=1525016&r1=1525015&r2=1525016&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/kernel/KernelNodeBuilder.java (original)
+++ jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/kernel/KernelNodeBuilder.java Fri Sep 20 14:27:33 2013
@@ -28,7 +28,7 @@ import org.apache.jackrabbit.oak.spi.sta
  * them to the underlying store if possible.
  * @see KernelRootBuilder
  */
-public class KernelNodeBuilder extends MemoryNodeBuilder {
+public class KernelNodeBuilder extends MemoryNodeBuilder implements FastCopyMove {
 
     private final KernelRootBuilder root;
 
@@ -65,10 +65,8 @@ public class KernelNodeBuilder extends M
      */
     @Override
     public boolean moveTo(NodeBuilder newParent, String newName) {
-        if (newParent instanceof KernelNodeBuilder) {
-            String source = getPath();
-            String target = PathUtils.concat(((KernelNodeBuilder) newParent).getPath(), checkNotNull(newName));
-            return root.move(source, target);
+        if (newParent instanceof FastCopyMove) {
+            return ((FastCopyMove) newParent).moveFrom(this, newName);
         } else {
             return super.moveTo(newParent, newName);
         }
@@ -84,12 +82,25 @@ public class KernelNodeBuilder extends M
      */
     @Override
     public boolean copyTo(NodeBuilder newParent, String newName) {
-        if (newParent instanceof KernelNodeBuilder) {
-            String source = getPath();
-            String target = PathUtils.concat(((KernelNodeBuilder) newParent).getPath(), checkNotNull(newName));
-            return root.copy(source, target);
+        if (newParent instanceof FastCopyMove) {
+            return ((FastCopyMove) newParent).copyFrom(this, newName);
         } else {
             return super.copyTo(newParent, newName);
         }
     }
+
+    @Override
+    public boolean moveFrom(KernelNodeBuilder source, String newName) {
+        String sourcePath = source.getPath();
+        String destPath = PathUtils.concat(getPath(), newName);
+        return root.move(sourcePath, destPath);
+    }
+
+    @Override
+    public boolean copyFrom(KernelNodeBuilder source, String newName) {
+        String sourcePath = source.getPath();
+        String destPath = PathUtils.concat(getPath(), newName);
+        return root.copy(sourcePath, destPath);
+    }
+
 }

Modified: jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/kernel/KernelRootBuilder.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/kernel/KernelRootBuilder.java?rev=1525016&r1=1525015&r2=1525016&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/kernel/KernelRootBuilder.java (original)
+++ jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/kernel/KernelRootBuilder.java Fri Sep 20 14:27:33 2013
@@ -30,7 +30,7 @@ import org.apache.jackrabbit.oak.spi.sta
  * This implementation tracks the number of pending changes and purges them to
  * a private branch of the underlying store if a certain threshold is met.
  */
-class KernelRootBuilder extends MemoryNodeBuilder {
+class KernelRootBuilder extends MemoryNodeBuilder implements FastCopyMove {
 
     /**
      * Number of content updates that need to happen before the updates
@@ -94,6 +94,18 @@ class KernelRootBuilder extends MemoryNo
         }
     }
 
+    @Override
+    public boolean moveFrom(KernelNodeBuilder source, String newName) {
+        String sourcePath = source.getPath();
+        return move(sourcePath, '/' + newName);
+    }
+
+    @Override
+    public boolean copyFrom(KernelNodeBuilder source, String newName) {
+        String sourcePath = source.getPath();
+        return copy(sourcePath, '/' + newName);
+    }
+
     //------------------------------------------------------------< internal >---
 
     /**

Modified: jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/memory/MemoryNodeBuilder.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/memory/MemoryNodeBuilder.java?rev=1525016&r1=1525015&r2=1525016&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/memory/MemoryNodeBuilder.java (original)
+++ jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/memory/MemoryNodeBuilder.java Fri Sep 20 14:27:33 2013
@@ -417,7 +417,7 @@ public class MemoryNodeBuilder implement
     /**
      * @return path of this builder.
      */
-    protected final String getPath() {
+    public final String getPath() {
         return parent == null ? "/" : getPath(new StringBuilder()).toString();
     }