public static void PrintSpectrum(StringBuilder builder, StageExecution execution, int width, DetailLevel additionalStatsLevel)
{
long[] values = values(execution);
long total = total(values);
// reduce the width with the known extra characters we know we'll print in and around the spectrum
width -= 2 + PROGRESS_WIDTH;
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: org.neo4j.helpers.collection.Pair<Step<?>,float> bottleNeck = execution.stepsOrderedBy(org.neo4j.unsafe.impl.batchimport.stats.Keys.avg_processing_time, false).iterator().next();
Pair <Step <object>, float> bottleNeck = execution.StepsOrderedBy(Keys.avg_processing_time, false).GetEnumerator().next();
QuantizedProjection projection = new QuantizedProjection(total, width);
long lastDoneBatches = 0;
int stepIndex = 0;
bool hasProgressed = false;
builder.Append('[');
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: for (Step<?> step : execution.steps())
foreach (Step <object> step in execution.Steps())
{
StepStats stats = step.Stats();
if (!projection.Next(values[stepIndex]))
{
break; // odd though
}
long stepWidth = total == 0 && stepIndex == 0 ? width : projection.Step();
if (stepWidth > 0)
{
if (hasProgressed)
{
stepWidth--;
builder.Append('|');
}
bool isBottleNeck = bottleNeck.First() == step;
string name = (isBottleNeck ? "*" : "") + stats.ToString(additionalStatsLevel) + (step.Processors(0) > 1 ? "(" + step.Processors(0) + ")" : "");
int charIndex = 0; // negative value "delays" the text, i.e. pushes it to the right
char backgroundChar = step.Processors(0) > 1 ? '=' : '-';
for (int i = 0; i < stepWidth; i++, charIndex++)
{
char ch = backgroundChar;
if (charIndex >= 0 && charIndex < name.Length && charIndex < stepWidth)
{
ch = name[charIndex];
}
builder.Append(ch);
}
hasProgressed = true;
}
lastDoneBatches = stats.Stat(Keys.done_batches).asLong();
stepIndex++;
}
long progress = lastDoneBatches * execution.Config.batchSize();
builder.Append("]").Append(FitInProgress(progress));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldProjectSteps()
public virtual void ShouldProjectSteps()
{
// GIVEN
QuantizedProjection projection = new QuantizedProjection(9, 7);
// WHEN/THEN
assertTrue(projection.Next(3));
assertEquals(2, projection.Step());
assertTrue(projection.Next(3));
assertEquals(3, projection.Step());
assertTrue(projection.Next(3));
assertEquals(2, projection.Step());
assertFalse(projection.Next(1));
}