Author: chetanm
Date: Thu Dec  8 05:17:08 2016
New Revision: 1773174

URL: http://svn.apache.org/viewvc?rev=1773174&view=rev
Log:
OAK-4400 - Correlate index with the index definition used to build it

Utility class to clone the visible portion of NodeState

Added:
    
jackrabbit/oak/trunk/oak-lucene/src/main/java/org/apache/jackrabbit/oak/plugins/index/lucene/NodeStateCloner.java
   (with props)
    
jackrabbit/oak/trunk/oak-lucene/src/test/java/org/apache/jackrabbit/oak/plugins/index/lucene/NodeStateClonerTest.java
   (with props)

Added: 
jackrabbit/oak/trunk/oak-lucene/src/main/java/org/apache/jackrabbit/oak/plugins/index/lucene/NodeStateCloner.java
URL: 
http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-lucene/src/main/java/org/apache/jackrabbit/oak/plugins/index/lucene/NodeStateCloner.java?rev=1773174&view=auto
==============================================================================
--- 
jackrabbit/oak/trunk/oak-lucene/src/main/java/org/apache/jackrabbit/oak/plugins/index/lucene/NodeStateCloner.java
 (added)
+++ 
jackrabbit/oak/trunk/oak-lucene/src/main/java/org/apache/jackrabbit/oak/plugins/index/lucene/NodeStateCloner.java
 Thu Dec  8 05:17:08 2016
@@ -0,0 +1,51 @@
+/*
+ * 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.plugins.index.lucene;
+
+import org.apache.jackrabbit.oak.spi.state.ApplyDiff;
+import org.apache.jackrabbit.oak.spi.state.NodeBuilder;
+import org.apache.jackrabbit.oak.spi.state.NodeState;
+import org.apache.jackrabbit.oak.spi.state.NodeStateUtils;
+
+import static 
org.apache.jackrabbit.oak.plugins.memory.EmptyNodeState.EMPTY_NODE;
+
+class NodeStateCloner {
+
+    public static NodeState cloneVisibleState(NodeState state){
+        NodeBuilder builder = EMPTY_NODE.builder();
+        new ApplyVisibleDiff(builder).apply(state);
+        return builder.getNodeState();
+    }
+
+    private static class ApplyVisibleDiff extends ApplyDiff {
+        public ApplyVisibleDiff(NodeBuilder builder) {
+            super(builder);
+        }
+
+        @Override
+        public boolean childNodeAdded(String name, NodeState after) {
+            if (NodeStateUtils.isHidden(name)){
+                return true;
+            }
+            return after.compareAgainstBaseState(
+                    EMPTY_NODE, new ApplyVisibleDiff(builder.child(name)));
+        }
+    }
+}

Propchange: 
jackrabbit/oak/trunk/oak-lucene/src/main/java/org/apache/jackrabbit/oak/plugins/index/lucene/NodeStateCloner.java
------------------------------------------------------------------------------
    svn:eol-style = native

Added: 
jackrabbit/oak/trunk/oak-lucene/src/test/java/org/apache/jackrabbit/oak/plugins/index/lucene/NodeStateClonerTest.java
URL: 
http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-lucene/src/test/java/org/apache/jackrabbit/oak/plugins/index/lucene/NodeStateClonerTest.java?rev=1773174&view=auto
==============================================================================
--- 
jackrabbit/oak/trunk/oak-lucene/src/test/java/org/apache/jackrabbit/oak/plugins/index/lucene/NodeStateClonerTest.java
 (added)
+++ 
jackrabbit/oak/trunk/oak-lucene/src/test/java/org/apache/jackrabbit/oak/plugins/index/lucene/NodeStateClonerTest.java
 Thu Dec  8 05:17:08 2016
@@ -0,0 +1,64 @@
+/*
+ * 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.plugins.index.lucene;
+
+import org.apache.jackrabbit.oak.plugins.index.lucene.NodeStateCloner;
+import org.apache.jackrabbit.oak.spi.state.EqualsDiff;
+import org.apache.jackrabbit.oak.spi.state.NodeBuilder;
+import org.apache.jackrabbit.oak.spi.state.NodeState;
+import org.apache.jackrabbit.oak.spi.state.NodeStateUtils;
+import org.junit.Test;
+
+import static 
org.apache.jackrabbit.oak.plugins.memory.EmptyNodeState.EMPTY_NODE;
+import static org.junit.Assert.*;
+
+public class NodeStateClonerTest {
+
+    @Test
+    public void simple() throws Exception{
+        NodeBuilder builder = EMPTY_NODE.builder();
+        builder.child("a").child("b");
+        builder.child("a").setProperty("foo", "bar");
+
+        NodeState state = builder.getNodeState();
+        assertTrue(EqualsDiff.equals(state, 
NodeStateCloner.cloneVisibleState(state)));
+    }
+
+    @Test
+    public void excludeHidden() throws Exception{
+        NodeBuilder builder = EMPTY_NODE.builder();
+        builder.child("a").child(":b").child("e");
+        builder.child("a").child("c").child(":d");
+        builder.child("a").setProperty("foo", "bar");
+
+        NodeState source = builder.getNodeState();
+        NodeState cloned = NodeStateCloner.cloneVisibleState(source);
+
+        assertFalse(NodeStateUtils.getNode(cloned, "/a/:b").exists());
+        assertFalse(NodeStateUtils.getNode(cloned, "/a/:b/e").exists());
+        assertFalse(NodeStateUtils.getNode(cloned, "/a/c/:d").exists());
+
+        assertTrue(NodeStateUtils.getNode(cloned, "/a/c").exists());
+        assertTrue(NodeStateUtils.getNode(cloned, "/a").hasProperty("foo"));
+
+        assertFalse(EqualsDiff.equals(source, cloned));
+    }
+
+}
\ No newline at end of file

Propchange: 
jackrabbit/oak/trunk/oak-lucene/src/test/java/org/apache/jackrabbit/oak/plugins/index/lucene/NodeStateClonerTest.java
------------------------------------------------------------------------------
    svn:eol-style = native


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