Author: reschke
Date: Thu Nov 12 17:23:42 2015
New Revision: 1714095

URL: http://svn.apache.org/viewvc?rev=1714095&view=rev
Log:
OAK-3263: backport DocumentStore time diff API back (to 1.2)

Modified:
    jackrabbit/oak/branches/1.2/   (props changed)
    
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentStore.java
    
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/memory/MemoryDocumentStore.java
    
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/mongo/MongoDocumentStore.java
    
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/rdb/RDBDocumentStore.java
    
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/rdb/RDBDocumentStoreDB.java
    
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/LoggingDocumentStoreWrapper.java
    
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/SynchronizingDocumentStoreWrapper.java
    
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/TimingDocumentStoreWrapper.java
    
jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/BasicDocumentStoreTest.java
    
jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CountingDocumentStore.java
    
jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentStoreWrapper.java

Propchange: jackrabbit/oak/branches/1.2/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Thu Nov 12 17:23:42 2015
@@ -1,3 +1,3 @@
 /jackrabbit/oak/branches/1.0:1665962
-/jackrabbit/oak/trunk:1672350,1672468,1672537,1672603,1672642,1672644,1672834-1672835,1673351,1673410,1673414-1673415,1673436,1673644,1673662-1673664,1673669,1673695,1673713,1673738,1673787,1673791,1674046,1674065,1674075,1674107,1674228,1674780,1674880,1675054-1675055,1675319,1675332,1675354,1675357,1675382,1675555,1675566,1675593,1676198,1676237,1676407,1676458,1676539,1676670,1676693,1676703,1676725,1677579,1677581,1677609,1677611,1677774,1677788,1677797,1677804,1677806,1677939,1677991,1678023,1678095-1678096,1678124,1678171,1678173,1678211,1678323,1678758,1678938,1678954,1679144,1679165,1679191,1679232,1679235,1679503,1679958,1679961,1680170,1680172,1680182,1680222,1680232,1680236,1680461,1680633,1680643,1680747,1680805-1680806,1680903,1681282,1681767,1681918,1681955,1682042,1682218,1682235,1682437,1682494,1682555,1682855,1682904,1683059,1683089,1683213,1683249,1683259,1683278,1683323,1683687,1683700,1684174-1684175,1684186,1684376,1684442,1684561,1684570,1684601,1684618,1684820
 
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 713008,1713439,1713461,1713580,1713586,1713626
+/jackrabbit/oak/trunk:1672350,1672468,1672537,1672603,1672642,1672644,1672834-1672835,1673351,1673410,1673414-1673415,1673436,1673644,1673662-1673664,1673669,1673695,1673713,1673738,1673787,1673791,1674046,1674065,1674075,1674107,1674228,1674780,1674880,1675054-1675055,1675319,1675332,1675354,1675357,1675382,1675555,1675566,1675593,1676198,1676237,1676407,1676458,1676539,1676670,1676693,1676703,1676725,1677579,1677581,1677609,1677611,1677774,1677788,1677797,1677804,1677806,1677939,1677991,1678023,1678095-1678096,1678124,1678171,1678173,1678211,1678323,1678758,1678938,1678954,1679144,1679165,1679191,1679232,1679235,1679503,1679958,1679961,1680170,1680172,1680182,1680222,1680232,1680236,1680461,1680633,1680643,1680747,1680805-1680806,1680903,1681282,1681767,1681918,1681955,1682042,1682218,1682235,1682437,1682494,1682555,1682855,1682904,1683059,1683089,1683213,1683249,1683259,1683278,1683323,1683687,1683700,1684174-1684175,1684186,1684376,1684442,1684561,1684570,1684601,1684618,1684820
 
,1684868,1685023,1685075,1685370,1685552,1685589-1685590,1685840,1685964,1685977,1685989,1685999,1686023,1686032,1686097,1686162,1686229,1686234,1686253,1686414,1686780,1686854,1686857,1686971,1687053-1687055,1687175,1687196,1687198,1687220,1687239-1687240,1687301,1687441,1687553,1688089-1688090,1688172,1688179,1688349,1688421,1688436,1688453,1688616,1688622,1688634,1688636,1688817,1689003-1689004,1689008,1689577,1689581,1689623,1689810,1689828,1689831,1689833,1689903,1690017,1690043,1690047,1690057,1690247,1690249,1690634-1690637,1690650,1690669,1690674,1690885,1690941,1691139,1691151,1691159,1691167,1691183,1691188,1691210,1691280,1691307,1691331-1691333,1691345,1691384-1691385,1691401,1691509,1692133-1692134,1692156,1692250,1692274,1692363,1692382,1692478,1692955,1693002,1693030,1693209,1693421,1693525-1693526,1694007,1694393-1694394,1694651,1694653-1694654,1695032,1695050,1695122,1695280,1695299,1695420,1695457,1695482,1695492,1695507,1695521,1695540,1695905,1696190,1696194,1696
 
242,1696285,1696375,1696522,1696578,1696759,1696916,1697363,1697373,1697410,1697582,1697589,1697616,1697672,1700191,1700231,1700397,1700403,1700506,1700571,1700727,1700749,1700769,1700775,1701065,1701619,1701733,1701743,1701750,1701768,1701806,1701810,1701814,1701948,1701955,1701959,1701965,1701986,1702014,1702022,1702045,1702051,1702241,1702272,1702387,1702405,1702423,1702860,1702942,1702960,1703212,1703382,1703395,1703411,1703428,1703430,1703568,1703592,1703758,1703858,1703878,1704256,1704282,1704285,1704457,1704479,1704490,1704614,1704629,1704636,1704655,1704670,1704886,1705005,1705027,1705043,1705055,1705250,1705268,1705273,1705323,1705677,1705701,1705871,1705992,1705998,1706009,1706037,1706059,1706212,1706218,1706270,1706764,1706772,1707049,1707191,1707435,1708105,1708315,1708546,1708592,1708766,1709012,1709852,1709978,1710013,1710031,1710049,1710205,1710242,1710559,1710575,1710590,1710614,1710637,1710789,1710811,1710816,1710972,1711248,1711296,1711498,1712042,1712490,1712531,1
 712730,1712785,1713008,1713439,1713461,1713580,1713586,1713626
 /jackrabbit/trunk:1345480

Modified: 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentStore.java
URL: 
http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentStore.java?rev=1714095&r1=1714094&r2=1714095&view=diff
==============================================================================
--- 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentStore.java
 (original)
+++ 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentStore.java
 Thu Nov 12 17:23:42 2015
@@ -281,4 +281,15 @@ public interface DocumentStore {
      * @return description of the underlying storage.
      */
     Map<String, String> getMetadata();
+    
+    /**
+     * @return the estimated time difference in milliseconds between
+     * the local instance and the (typically common, shared) document server 
system.
+     * The value can be zero if the times are estimated to be equal,
+     * positive when the local instance is ahead of the remote server
+     * and negative when the local instance is behind the remote server. An 
invocation is not cached
+     * and typically requires a round-trip to the server (but that is not a 
requirement).
+     * @throws UnsupportedOperationException if this DocumentStore does not 
support this method
+     */
+    long determineServerTimeDifferenceMillis();
 }

Modified: 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/memory/MemoryDocumentStore.java
URL: 
http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/memory/MemoryDocumentStore.java?rev=1714095&r1=1714094&r2=1714095&view=diff
==============================================================================
--- 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/memory/MemoryDocumentStore.java
 (original)
+++ 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/memory/MemoryDocumentStore.java
 Thu Nov 12 17:23:42 2015
@@ -401,5 +401,11 @@ public class MemoryDocumentStore impleme
     public Map<String, String> getMetadata() {
         return metadata;
     }
+    
+    @Override
+    public long determineServerTimeDifferenceMillis() {
+       // the MemoryDocumentStore has no delays, thus return 0
+       return 0;
+    }
 
 }
\ No newline at end of file

Modified: 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/mongo/MongoDocumentStore.java
URL: 
http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/mongo/MongoDocumentStore.java?rev=1714095&r1=1714094&r2=1714095&view=diff
==============================================================================
--- 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/mongo/MongoDocumentStore.java
 (original)
+++ 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/mongo/MongoDocumentStore.java
 Thu Nov 12 17:23:42 2015
@@ -22,6 +22,7 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.Comparator;
+import java.util.Date;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
@@ -122,7 +123,9 @@ public class MongoDocumentStore implemen
     private final DBCollection settings;
     private final DBCollection journal;
 
-    private final Cache<CacheValue, NodeDocument> nodesCache;
+       private final DB db;
+
+       private final Cache<CacheValue, NodeDocument> nodesCache;
     private final CacheStats cacheStats;
 
     /**
@@ -205,6 +208,7 @@ public class MongoDocumentStore implemen
                 .put("version", version)
                 .build();
 
+        this.db = db;
         nodes = db.getCollection(Collection.NODES.toString());
         clusterNodes = db.getCollection(Collection.CLUSTER_NODES.toString());
         settings = db.getCollection(Collection.SETTINGS.toString());
@@ -1503,4 +1507,34 @@ public class MongoDocumentStore implemen
             parentLock.unlock();
         }
     }
+
+    @Override
+    public long determineServerTimeDifferenceMillis() {
+        // the assumption is that the network delay from this instance
+        // to the server, and from the server back to this instance
+        // are (more or less) equal.
+        // taking this assumption into account allows to remove
+        // the network delays from the picture: the difference
+        // between end and start time is exactly this network
+        // delay (plus some server time, but that's neglected).
+        // so if the clocks are in perfect sync and the above
+        // mentioned assumption holds, then the server time should
+        // be exactly at the midPoint between start and end.
+        // this should allow a more accurate picture of the diff.
+        final long start = System.currentTimeMillis();
+        // assumption here: server returns UTC - ie the returned
+        // date object is correctly taking care of time zones.
+        final Date serverLocalTime = 
db.command("serverStatus").getDate("localTime");
+        final long end = System.currentTimeMillis();
+
+        final long midPoint = (start + end) / 2;
+        final long serverLocalTimeMillis = serverLocalTime.getTime();
+
+        // the difference should be
+        // * positive when local instance is ahead
+        // * and negative when the local instance is behind
+        final long diff = midPoint - serverLocalTimeMillis;
+
+        return diff;
+    }
 }

Modified: 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/rdb/RDBDocumentStore.java
URL: 
http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/rdb/RDBDocumentStore.java?rev=1714095&r1=1714094&r2=1714095&view=diff
==============================================================================
--- 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/rdb/RDBDocumentStore.java
 (original)
+++ 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/rdb/RDBDocumentStore.java
 Thu Nov 12 17:23:42 2015
@@ -297,6 +297,53 @@ public class RDBDocumentStore implements
         invalidateCache(collection, id, false);
     }
 
+    @Override
+    public long determineServerTimeDifferenceMillis() {
+        Connection connection = null;
+        PreparedStatement stmt = null;
+        ResultSet rs = null;
+        String tableName = getTable(Collection.NODES);
+        long result;
+        try {
+            connection = this.ch.getROConnection();
+            String t = "select ";
+            if (this.db.getFetchFirstSyntax() == FETCHFIRSTSYNTAX.TOP) {
+                t += "TOP 1 ";
+            }
+            t += this.db.getCurrentTimeStampInMsSyntax() + " from " + 
tableName;
+            switch (this.db.getFetchFirstSyntax()) {
+                case LIMIT:
+                    t += " LIMIT 1";
+                    break;
+                case FETCHFIRST:
+                    t += " FETCH FIRST 1 ROWS ONLY";
+                    break;
+                default:
+                    break;
+            }
+
+            stmt = connection.prepareStatement(t);
+            long start = System.currentTimeMillis();
+            rs = stmt.executeQuery();
+            if (rs.next()) {
+                long roundtrip = System.currentTimeMillis() - start;
+                long serverTime = rs.getTimestamp(1).getTime();
+                result = (start + roundtrip / 2) - serverTime;
+            } else {
+                throw new DocumentStoreException("failed to determine server 
timestamp");
+            }
+            connection.commit();
+            return result;
+        } catch (Exception ex) {
+            LOG.error("", ex);
+            throw new DocumentStoreException(ex);
+        } finally {
+            this.ch.closeResultSet(rs);
+            this.ch.closeStatement(stmt);
+            this.ch.closeConnection(connection);
+        }
+    }
+
     private <T extends Document> void invalidateCache(Collection<T> 
collection, String id, boolean remove) {
         if (collection == Collection.NODES) {
             invalidateNodesCache(id, remove);
@@ -1992,4 +2039,5 @@ public class RDBDocumentStore implements
         }
         return false;
     }
+    
 }

Modified: 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/rdb/RDBDocumentStoreDB.java
URL: 
http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/rdb/RDBDocumentStoreDB.java?rev=1714095&r1=1714094&r2=1714095&view=diff
==============================================================================
--- 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/rdb/RDBDocumentStoreDB.java
 (original)
+++ 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/rdb/RDBDocumentStoreDB.java
 Thu Nov 12 17:23:42 2015
@@ -53,6 +53,12 @@ public enum RDBDocumentStoreDB {
             return RDBJDBCTools.versionCheck(md, 10, 11, description);
         }
 
+        @Override
+        public String getCurrentTimeStampInMsSyntax() {
+            return "CURRENT_TIMESTAMP";
+        }
+
+        @Override
         public boolean allowsCaseInSelect() {
             return false;
         }
@@ -295,6 +301,11 @@ public enum RDBDocumentStoreDB {
         }
 
         @Override
+        public String getCurrentTimeStampInMsSyntax() {
+            return "CURRENT_TIMESTAMP";
+        }
+
+        @Override
         public String getAdditionalDiagnostics(RDBConnectionHandler ch, String 
tableName) {
             Connection con = null;
             PreparedStatement stmt = null;
@@ -354,6 +365,13 @@ public enum RDBDocumentStoreDB {
     }
 
     /**
+     * Query syntax for current time in ms
+     */
+    public String getCurrentTimeStampInMsSyntax() {
+        return "CURRENT_TIMESTAMP(4)";
+    }
+
+    /**
      * Returns the CONCAT function or its equivalent function or sub-query. 
Note
      * that the function MUST NOT cause a truncated value to be written!
      *

Modified: 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/LoggingDocumentStoreWrapper.java
URL: 
http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/LoggingDocumentStoreWrapper.java?rev=1714095&r1=1714094&r2=1714095&view=diff
==============================================================================
--- 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/LoggingDocumentStoreWrapper.java
 (original)
+++ 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/LoggingDocumentStoreWrapper.java
 Thu Nov 12 17:23:42 2015
@@ -333,6 +333,14 @@ public class LoggingDocumentStoreWrapper
     public Map<String, String> getMetadata() {
         return store.getMetadata();
     }
+    
+    @Override
+    public long determineServerTimeDifferenceMillis() {
+       logMethod("determineServerTimeDifferenceMillis", "start");
+       long result = store.determineServerTimeDifferenceMillis();
+       logMethod("determineServerTimeDifferenceMillis", "end", result);
+               return result;
+    }
 
     private void logMethod(String methodName, Object... args) {
         StringBuilder buff = new StringBuilder("ds");

Modified: 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/SynchronizingDocumentStoreWrapper.java
URL: 
http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/SynchronizingDocumentStoreWrapper.java?rev=1714095&r1=1714094&r2=1714095&view=diff
==============================================================================
--- 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/SynchronizingDocumentStoreWrapper.java
 (original)
+++ 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/SynchronizingDocumentStoreWrapper.java
 Thu Nov 12 17:23:42 2015
@@ -135,6 +135,11 @@ public class SynchronizingDocumentStoreW
     public synchronized CacheStats getCacheStats() {
         return store.getCacheStats();
     }
+    
+    @Override
+    public synchronized long determineServerTimeDifferenceMillis() {
+       return store.determineServerTimeDifferenceMillis();
+    }
 
     @Override
     public Map<String, String> getMetadata() {

Modified: 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/TimingDocumentStoreWrapper.java
URL: 
http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/TimingDocumentStoreWrapper.java?rev=1714095&r1=1714094&r2=1714095&view=diff
==============================================================================
--- 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/TimingDocumentStoreWrapper.java
 (original)
+++ 
jackrabbit/oak/branches/1.2/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/TimingDocumentStoreWrapper.java
 Thu Nov 12 17:23:42 2015
@@ -357,6 +357,18 @@ public class TimingDocumentStoreWrapper
     public Map<String, String> getMetadata() {
         return base.getMetadata();
     }
+    
+    @Override
+    public long determineServerTimeDifferenceMillis() {
+        try {
+            long start = now();
+            long result = base.determineServerTimeDifferenceMillis();
+            updateAndLogTimes("determineServerTimeDifferenceMillis", start, 0, 
0);
+            return result;
+        } catch (Exception e) {
+            throw convert(e);
+        }
+    }
 
     private void logCommonCall(long start, String key) {
         int time = (int) (System.currentTimeMillis() - start);

Modified: 
jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/BasicDocumentStoreTest.java
URL: 
http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/BasicDocumentStoreTest.java?rev=1714095&r1=1714094&r2=1714095&view=diff
==============================================================================
--- 
jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/BasicDocumentStoreTest.java
 (original)
+++ 
jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/BasicDocumentStoreTest.java
 Thu Nov 12 17:23:42 2015
@@ -34,6 +34,7 @@ import java.util.UUID;
 
 import org.apache.jackrabbit.oak.plugins.document.UpdateOp.Condition;
 import org.apache.jackrabbit.oak.plugins.document.UpdateOp.Key;
+import org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore;
 import org.apache.jackrabbit.oak.plugins.document.util.Utils;
 import org.junit.Test;
 import org.slf4j.Logger;
@@ -704,6 +705,18 @@ public class BasicDocumentStoreTest exte
     }
 
     @Test
+    public void testServerTimeDiff() throws Exception {
+        if (super.ds instanceof RDBDocumentStore) {
+            UpdateOp up = new UpdateOp("0:/", true);
+            up.set("_id", "0:/");
+            super.ds.create(Collection.NODES, Collections.singletonList(up));
+            removeMe.add("0:/");
+            long td = 
((RDBDocumentStore)super.ds).determineServerTimeDifferenceMillis();
+            LOG.info("Server time difference on " + super.dsname + ": " + td + 
"ms");
+        }
+    }
+
+    @Test
     public void removeWithCondition() throws Exception {
         List<UpdateOp> docs = Lists.newArrayList();
         docs.add(newDocument("/foo", 100));

Modified: 
jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CountingDocumentStore.java
URL: 
http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CountingDocumentStore.java?rev=1714095&r1=1714094&r2=1714095&view=diff
==============================================================================
--- 
jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CountingDocumentStore.java
 (original)
+++ 
jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/CountingDocumentStore.java
 Thu Nov 12 17:23:42 2015
@@ -219,4 +219,8 @@ public class CountingDocumentStore imple
         return delegate.getMetadata();
     }
 
+    @Override
+    public long determineServerTimeDifferenceMillis() {
+       return delegate.determineServerTimeDifferenceMillis();
+    }
 }

Modified: 
jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentStoreWrapper.java
URL: 
http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentStoreWrapper.java?rev=1714095&r1=1714094&r2=1714095&view=diff
==============================================================================
--- 
jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentStoreWrapper.java
 (original)
+++ 
jackrabbit/oak/branches/1.2/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentStoreWrapper.java
 Thu Nov 12 17:23:42 2015
@@ -153,4 +153,9 @@ public class DocumentStoreWrapper implem
     public Map<String, String> getMetadata() {
         return store.getMetadata();
     }
+
+    @Override
+    public long determineServerTimeDifferenceMillis() {
+        return store.determineServerTimeDifferenceMillis();
+    }
 }


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