private IndexSample SampleIndex(IndexSampler sampler)
{
try
{
return(sampler.SampleIndex());
}
catch (IndexNotFoundKernelException e)
{
throw new Exception(e);
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void samplingOverPartitions() throws org.neo4j.internal.kernel.api.exceptions.schema.IndexNotFoundKernelException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void SamplingOverPartitions()
{
PartitionedIndexReader indexReader = CreatePartitionedReaderFromReaders();
when(_indexReader1.createSampler()).thenReturn(new SimpleSampler(this, 1));
when(_indexReader2.createSampler()).thenReturn(new SimpleSampler(this, 2));
when(_indexReader3.createSampler()).thenReturn(new SimpleSampler(this, 3));
IndexSampler sampler = indexReader.CreateSampler();
assertEquals(new IndexSample(6, 6, 6), sampler.SampleIndex());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldStopSamplingWhenIndexIsDropped() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldStopSamplingWhenIndexIsDropped()
{
// given
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: updateAndCommit(asList(add(nodeId, value), add(nodeId2, value2)));
UpdateAndCommit(new IList <IndexEntryUpdate <object> > {
Add(_nodeId, _value), Add(_nodeId2, _value2)
});
// when
IndexReader indexReader = _accessor.newReader(); // needs to be acquired before drop() is called
IndexSampler indexSampler = indexReader.CreateSampler();
Future <Void> drop = Threading.executeAndAwait((IOFunction <Void, Void>)nothing =>
{
_accessor.drop();
return(nothing);
}, null, waitingWhileIn(typeof(TaskCoordinator), "awaitCompletion"), 3, SECONDS);
try
{
using (IndexReader reader = indexReader, IndexSampler sampler = indexSampler)
{
sampler.SampleIndex();
fail("expected exception");
}
}
catch (IndexNotFoundKernelException e)
{
assertEquals("Index dropped while sampling.", e.Message);
}
finally
{
drop.get();
}
}
