public virtual void TestClone()
{
IndexWriterConfig conf = new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random()));
IndexWriterConfig clone = (IndexWriterConfig)conf.Clone();
// Make sure parameters that can't be reused are cloned
IndexDeletionPolicy delPolicy = conf.DelPolicy;
IndexDeletionPolicy delPolicyClone = clone.DelPolicy;
Assert.IsTrue(delPolicy.GetType() == delPolicyClone.GetType() && (delPolicy != delPolicyClone || delPolicy.Clone() == delPolicyClone.Clone()));
FlushPolicy flushPolicy = conf.FlushPolicy;
FlushPolicy flushPolicyClone = clone.FlushPolicy;
Assert.IsTrue(flushPolicy.GetType() == flushPolicyClone.GetType() && (flushPolicy != flushPolicyClone || flushPolicy.Clone() == flushPolicyClone.Clone()));
DocumentsWriterPerThreadPool pool = conf.IndexerThreadPool;
DocumentsWriterPerThreadPool poolClone = clone.IndexerThreadPool;
Assert.IsTrue(pool.GetType() == poolClone.GetType() && (pool != poolClone || pool.Clone() == poolClone.Clone()));
MergePolicy mergePolicy = conf.MergePolicy;
MergePolicy mergePolicyClone = clone.MergePolicy;
Assert.IsTrue(mergePolicy.GetType() == mergePolicyClone.GetType() && (mergePolicy != mergePolicyClone || mergePolicy.Clone() == mergePolicyClone.Clone()));
IMergeScheduler mergeSched = conf.MergeScheduler;
IMergeScheduler mergeSchedClone = clone.MergeScheduler;
Assert.IsTrue(mergeSched.GetType() == mergeSchedClone.GetType() && (mergeSched != mergeSchedClone || mergeSched.Clone() == mergeSchedClone.Clone()));
conf.SetMergeScheduler(new SerialMergeScheduler());
Assert.AreEqual(typeof(ConcurrentMergeScheduler), clone.MergeScheduler.GetType());
}
public override MergeSpecification FindForcedMerges(SegmentInfos segmentInfos, int maxSegmentCount, IDictionary <SegmentCommitInfo, bool> segmentsToMerge)
{
// first find all old segments
IDictionary <SegmentCommitInfo, bool> oldSegments = new Dictionary <SegmentCommitInfo, bool>();
foreach (SegmentCommitInfo si in segmentInfos.Segments)
{
if (segmentsToMerge.TryGetValue(si, out bool v) && ShouldUpgradeSegment(si))
{
oldSegments[si] = v;
}
}
if (Verbose())
{
Message("findForcedMerges: segmentsToUpgrade=" + oldSegments);
}
if (oldSegments.Count == 0)
{
return(null);
}
MergeSpecification spec = m_base.FindForcedMerges(segmentInfos, maxSegmentCount, oldSegments);
if (spec != null)
{
// remove all segments that are in merge specification from oldSegments,
// the resulting set contains all segments that are left over
// and will be merged to one additional segment:
foreach (OneMerge om in spec.Merges)
{
foreach (SegmentCommitInfo sipc in om.Segments)
{
oldSegments.Remove(sipc);
}
}
}
if (oldSegments.Count > 0)
{
if (Verbose())
{
Message("findForcedMerges: " + m_base.GetType().Name + " does not want to merge all old segments, merge remaining ones into new segment: " + oldSegments);
}
IList <SegmentCommitInfo> newInfos = new JCG.List <SegmentCommitInfo>();
foreach (SegmentCommitInfo si in segmentInfos.Segments)
{
if (oldSegments.ContainsKey(si))
{
newInfos.Add(si);
}
}
// add the final merge
if (spec is null)
{
spec = new MergeSpecification();
}
spec.Add(new OneMerge(newInfos));
}
return(spec);
}
