From 3ab9614db1a1a1a30c271424c4189999bf71b87a Mon Sep 17 00:00:00 2001
From: Jean-Noel Rouvignac <jean-noel.rouvignac@forgerock.com>
Date: Fri, 07 Mar 2014 10:58:03 +0000
Subject: [PATCH] OPENDJ-1308 Migrate schema support

---
 opendj3-server-dev/src/server/org/opends/server/backends/jeb/SubstringIndexer.java |  184 +++------------------------------------------
 1 files changed, 15 insertions(+), 169 deletions(-)

diff --git a/opendj3-server-dev/src/server/org/opends/server/backends/jeb/SubstringIndexer.java b/opendj3-server-dev/src/server/org/opends/server/backends/jeb/SubstringIndexer.java
index 6547454..247aa80 100644
--- a/opendj3-server-dev/src/server/org/opends/server/backends/jeb/SubstringIndexer.java
+++ b/opendj3-server-dev/src/server/org/opends/server/backends/jeb/SubstringIndexer.java
@@ -26,10 +26,6 @@
  */
 package org.opends.server.backends.jeb;
 
-import java.util.Comparator;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
 import java.util.Set;
 
 import org.forgerock.i18n.slf4j.LocalizedLogger;
@@ -37,28 +33,17 @@
 import org.forgerock.opendj.ldap.spi.IndexingOptions;
 import org.opends.server.api.ExtensibleIndexer;
 import org.opends.server.api.SubstringMatchingRule;
-import org.opends.server.types.*;
+import org.opends.server.types.AttributeType;
+import org.opends.server.types.AttributeValue;
 
 /**
  * An implementation of an Indexer for attribute substrings.
  */
-public class SubstringIndexer extends Indexer
+public class SubstringIndexer extends ExtensibleIndexer
 {
   private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
 
-
-
-  /**
-   * The comparator for index keys generated by this class.
-   */
-  private static final Comparator<byte[]> comparator =
-       new AttributeIndex.KeyComparator();
-
-  /**
-   * The attribute type for which this instance will
-   * generate index keys.
-   */
-  private AttributeType attributeType;
+  private SubstringMatchingRule substringRule;
   private IndexingOptions indexingOptions;
 
   /**
@@ -72,115 +57,23 @@
   public SubstringIndexer(AttributeType attributeType,
       IndexingOptions indexingOptions)
   {
-    this.attributeType = attributeType;
+    this.substringRule = attributeType.getSubstringMatchingRule();
     this.indexingOptions = indexingOptions;
   }
 
-  /**
-   * Get a string representation of this object.  The returned value is
-   * used to name an index created using this object.
-   * @return A string representation of this object.
-   */
+  /** {@inheritDoc} */
   @Override
-  public String toString()
+  public String getIndexID()
   {
-    return attributeType.getNameOrOID() + ".substring";
+    // TODO Auto-generated method stub
+    throw new RuntimeException();
   }
 
-  /**
-   * Get the comparator that must be used to compare index keys
-   * generated by this class.
-   *
-   * @return A byte array comparator.
-   */
+  /** {@inheritDoc} */
   @Override
-  public Comparator<byte[]> getComparator()
+  public String getExtensibleIndexID()
   {
-    return comparator;
-  }
-
-  /**
-   * Generate the set of index keys for an entry.
-   *
-   * @param entry The entry.
-   * @param keys The set into which the generated keys will be inserted.
-   */
-  @Override
-  public void indexEntry(Entry entry, Set<byte[]> keys)
-  {
-    List<Attribute> attrList =
-         entry.getAttribute(attributeType);
-    if (attrList != null)
-    {
-      indexAttribute(attrList, keys);
-    }
-  }
-
-  /**
-   * Generate the set of index keys to be added and the set of index keys
-   * to be deleted for an entry that has been replaced.
-   *
-   * @param oldEntry The original entry contents.
-   * @param newEntry The new entry contents.
-   * @param modifiedKeys The map into which the modified keys will be inserted.
-   */
-  @Override
-  public void replaceEntry(Entry oldEntry, Entry newEntry,
-                           Map<byte[], Boolean> modifiedKeys)
-  {
-    List<Attribute> newAttributes = newEntry.getAttribute(attributeType, true);
-    List<Attribute> oldAttributes = oldEntry.getAttribute(attributeType, true);
-
-    indexAttribute(oldAttributes, modifiedKeys, false);
-    indexAttribute(newAttributes, modifiedKeys, true);
-  }
-
-
-
-  /**
-   * Generate the set of index keys to be added and the set of index keys
-   * to be deleted for an entry that was modified.
-   *
-   * @param oldEntry The original entry contents.
-   * @param newEntry The new entry contents.
-   * @param mods The set of modifications that were applied to the entry.
-   * @param modifiedKeys The map into which the modified keys will be inserted.
-   */
-  @Override
-  public void modifyEntry(Entry oldEntry, Entry newEntry,
-                          List<Modification> mods,
-                          Map<byte[], Boolean> modifiedKeys)
-  {
-    List<Attribute> newAttributes = newEntry.getAttribute(attributeType, true);
-    List<Attribute> oldAttributes = oldEntry.getAttribute(attributeType, true);
-
-    indexAttribute(oldAttributes, modifiedKeys, false);
-    indexAttribute(newAttributes, modifiedKeys, true);
-  }
-
-
-
-  /**
-   * Generate the set of substring index keys for an attribute.
-   * @param attrList The attribute for which substring keys are required.
-   * @param keys The set into which the generated keys will be inserted.
-   */
-  private void indexAttribute(List<Attribute> attrList,
-                              Set<byte[]> keys)
-  {
-    if (attrList == null) return;
-    for (Attribute attr : attrList)
-    {
-      if (!attr.isVirtual())
-      {
-        SubstringMatchingRule rule =
-            attr.getAttributeType().getSubstringMatchingRule();
-        for (AttributeValue value : attr)
-        {
-          getKeys(rule, value, keys);
-        }
-      }
-    }
+    return "substring";
   }
 
   /**
@@ -191,12 +84,12 @@
    * @param attrValue A byte array containing the normalized attribute value
    * @param keys A set into which the keys will be inserted.
    */
-  private void getKeys(SubstringMatchingRule rule, AttributeValue attrValue,
-      Set<byte[]> keys)
+  @Override
+  public void getKeys(AttributeValue attrValue, Set<byte[]> keys)
   { // TODO merge with ExtensibleIndexer.getKeys(attrValue, keys);
     try
     {
-      byte[] value = rule.normalizeAttributeValue(attrValue.getValue()).toByteArray();
+      byte[] value = substringRule.normalizeAttributeValue(attrValue.getValue()).toByteArray();
 
       // Example: The value is ABCDE and the substring length is 3.
       // We produce the keys ABC BCD CDE DE E
@@ -233,51 +126,4 @@
     return keyBytes;
   }
 
-  /**
-   * Generate the set of index keys for an attribute.
-   * @param attrList The attribute to be indexed.
-   * @param modifiedKeys The map into which the modified
-   * keys will be inserted.
-   * @param insert <code>true</code> if generated keys should
-   * be inserted or <code>false</code> otherwise.
-   */
-  private void indexAttribute(List<Attribute> attrList,
-                              Map<byte[], Boolean> modifiedKeys,
-                              Boolean insert)
-  {
-    if (attrList == null) return;
-
-    for (Attribute attr : attrList)
-    {
-      if (!attr.isVirtual())
-      {
-        SubstringMatchingRule rule =
-            attr.getAttributeType().getSubstringMatchingRule();
-        for (AttributeValue value : attr)
-        {
-          getKeys(rule, value, modifiedKeys, insert);
-        }
-      }
-    }
-  }
-
-  /**
-   * Decompose an attribute value into a set of substring index keys.
-   * The ID of the entry containing this value should be inserted
-   * into the list of each of these keys.
-   *
-   * @param value A byte array containing the normalized attribute value
-   * @param modifiedKeys The map into which the modified
-   *  keys will be inserted.
-   * @param insert <code>true</code> if generated keys should
-   * be inserted or <code>false</code> otherwise.
-   */
-  private void getKeys(SubstringMatchingRule rule, AttributeValue value,
-      Map<byte[], Boolean> modifiedKeys, Boolean insert)
-  { // TODO merge with ExtensibleIndexer.getKeys(attrValue, modifiedKeys, insert);
-    Set<byte[]> keys = new HashSet<byte[]>();
-    getKeys(rule, value, keys);
-    ExtensibleIndexer.computeModifiedKeys(modifiedKeys, insert, keys);
-  }
-
 }

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