//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void awaitOnline(org.neo4j.internal.kernel.api.IndexReference indexReference) throws org.neo4j.internal.kernel.api.exceptions.schema.IndexNotFoundKernelException
private void AwaitOnline(IndexReference indexReference)
{
// We do the isAdded check on the transaction state first, because indexGetState will grab a schema read-lock, which can deadlock on the write-lock
// held by the index populator. Also, if we index was created in this transaction, then we will never see it come online in this transaction anyway.
// Indexes don't come online until the transaction that creates them has committed.
if (!(( KernelTransactionImplementation )Tx).txState().indexDiffSetsBySchema(indexReference.Schema()).isAdded((IndexDescriptor)indexReference))
{
// If the index was not created in this transaction, then wait for it to come online before querying.
Schema schema = Db.schema();
IndexDefinition index = Schema.getIndexByName(indexReference.Name());
Schema.awaitIndexOnline(index, _indexOnlineQueryTimeoutSeconds, TimeUnit.SECONDS);
}
// If the index was created in this transaction, then we skip this check entirely.
// We will get an exception later, when we try to get an IndexReader, so this is fine.
}