public async Task <int> CreateIndexAsync(NewIndex newIndex)
{
string query = $"CREATE INDEX ON :{newIndex.Label}({newIndex.Property})";
int count = 0;
using (ISession session = this._driver.Session())
{
try
{
await session.ReadTransactionAsync(async (tx) =>
{
IStatementResultCursor reader = await tx.RunAsync(query);
await reader.ConsumeAsync();
IResultSummary summary = await reader.SummaryAsync();
count = summary.Counters.IndexesAdded;
});
}
catch (Exception e)
{
this._logger.LogError(e, $"Error creating index for label {newIndex.Label} on property {newIndex.Property}");
}
finally
{
await session.CloseAsync();
}
}
return(count);
}
public async Task <int> DropIndexAsync(string label, string propertyname)
{
string query = $"DROP INDEX ON :{label}({propertyname})";
int count = 0;
using (ISession session = this._driver.Session())
{
try
{
await session.ReadTransactionAsync(async (tx) =>
{
IStatementResultCursor reader = await tx.RunAsync(query);
await reader.ConsumeAsync();
IResultSummary summary = await reader.SummaryAsync();
count = summary.Counters.IndexesRemoved;
});
}
catch (Exception e)
{
this._logger.LogError(e, $"Error dropping index for label {label} on property {propertyname}");
}
finally
{
await session.CloseAsync();
}
}
return(count);
}
public IResultSummary Consume()
{
return(_executor.RunSync(() => _cursor.ConsumeAsync()));
}