1 files changed, 11 insertions, 18 deletions

diff --git a/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepositoryCpsPathQueryImpl.java b/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepositoryCpsPathQueryImpl.java
index f07f7f8d5..654c1c085 100644
--- a/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepositoryCpsPathQueryImpl.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepositoryCpsPathQueryImpl.java
@@ -20,7 +20,6 @@
 
 package org.onap.cps.spi.repository;
 
-import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -29,16 +28,18 @@ import javax.persistence.PersistenceContext;
 import javax.persistence.Query;
 import javax.transaction.Transactional;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.onap.cps.cpspath.parser.CpsPathPrefixType;
 import org.onap.cps.cpspath.parser.CpsPathQuery;
 import org.onap.cps.spi.entities.FragmentEntity;
 import org.onap.cps.utils.JsonObjectMapper;
 
 @RequiredArgsConstructor
+@Slf4j
 public class FragmentRepositoryCpsPathQueryImpl implements FragmentRepositoryCpsPathQuery {
 
-    public static final String SIMILAR_TO_ABSOLUTE_PATH_PREFIX = "%/";
-    public static final String SIMILAR_TO_OPTIONAL_LIST_INDEX_POSTFIX = "(\\[[^/]*])?";
+    public static final String REGEX_ABSOLUTE_PATH_PREFIX = ".*\\/";
+    public static final String REGEX_OPTIONAL_LIST_INDEX_POSTFIX = "(\\[@(?!.*\\[).*?])?$";
 
     @PersistenceContext
     private EntityManager entityManager;
@@ -50,8 +51,8 @@ public class FragmentRepositoryCpsPathQueryImpl implements FragmentRepositoryCps
         final StringBuilder sqlStringBuilder = new StringBuilder("SELECT * FROM FRAGMENT WHERE anchor_id = :anchorId");
         final Map<String, Object> queryParameters = new HashMap<>();
         queryParameters.put("anchorId", anchorId);
-        sqlStringBuilder.append(" AND xpath SIMILAR TO :xpathRegex");
-        final String xpathRegex = getSimilarToXpathSqlRegex(cpsPathQuery);
+        sqlStringBuilder.append(" AND xpath ~ :xpathRegex");
+        final String xpathRegex = getXpathSqlRegex(cpsPathQuery);
         queryParameters.put("xpathRegex", xpathRegex);
         if (cpsPathQuery.hasLeafConditions()) {
             sqlStringBuilder.append(" AND attributes @> :leafDataAsJson\\:\\:jsonb");
@@ -62,28 +63,20 @@ public class FragmentRepositoryCpsPathQueryImpl implements FragmentRepositoryCps
         addTextFunctionCondition(cpsPathQuery, sqlStringBuilder, queryParameters);
         final Query query = entityManager.createNativeQuery(sqlStringBuilder.toString(), FragmentEntity.class);
         setQueryParameters(query, queryParameters);
-        return getFragmentEntitiesAsStream(query);
-    }
-
-    private List<FragmentEntity> getFragmentEntitiesAsStream(final Query query) {
-        final List<FragmentEntity> fragmentEntities = new ArrayList<>();
-        query.getResultStream().forEach(fragmentEntity -> {
-            fragmentEntities.add((FragmentEntity) fragmentEntity);
-            entityManager.detach(fragmentEntity);
-        });
-
+        final List<FragmentEntity> fragmentEntities = query.getResultList();
+        log.debug("Fetched {} fragment entities by anchor and cps path.", fragmentEntities.size());
         return fragmentEntities;
     }
 
-    private static String getSimilarToXpathSqlRegex(final CpsPathQuery cpsPathQuery) {
+    private static String getXpathSqlRegex(final CpsPathQuery cpsPathQuery) {
         final StringBuilder xpathRegexBuilder = new StringBuilder();
         if (CpsPathPrefixType.ABSOLUTE.equals(cpsPathQuery.getCpsPathPrefixType())) {
             xpathRegexBuilder.append(escapeXpath(cpsPathQuery.getXpathPrefix()));
         } else {
-            xpathRegexBuilder.append(SIMILAR_TO_ABSOLUTE_PATH_PREFIX);
+            xpathRegexBuilder.append(REGEX_ABSOLUTE_PATH_PREFIX);
             xpathRegexBuilder.append(escapeXpath(cpsPathQuery.getDescendantName()));
         }
-        xpathRegexBuilder.append(SIMILAR_TO_OPTIONAL_LIST_INDEX_POSTFIX);
+        xpathRegexBuilder.append(REGEX_OPTIONAL_LIST_INDEX_POSTFIX);
         return xpathRegexBuilder.toString();
     }