internal static void AddIfAssigned(BooleanQuery.Builder builder, long node, string field)
{
if (node != -1)
{
builder.add(new TermQuery(new Term(field, "" + node)), Occur.MUST);
}
}
public override long CountIndexedNodes(long nodeId, int[] propertyKeyIds, params Value[] propertyValues)
{
Query nodeIdQuery = new TermQuery(LuceneDocumentStructure.newTermForChangeOrRemove(nodeId));
Query valueQuery = LuceneDocumentStructure.newSeekQuery(propertyValues);
BooleanQuery.Builder nodeIdAndValueQuery = (new BooleanQuery.Builder()).setDisableCoord(true);
nodeIdAndValueQuery.add(nodeIdQuery, BooleanClause.Occur.MUST);
nodeIdAndValueQuery.add(valueQuery, BooleanClause.Occur.MUST);
try
{
TotalHitCountCollector collector = new TotalHitCountCollector();
IndexSearcher.search(nodeIdAndValueQuery.build(), collector);
// A <label,propertyKeyId,nodeId> tuple should only match at most a single propertyValue
return(collector.TotalHits);
}
catch (IOException e)
{
throw new Exception(e);
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public org.neo4j.kernel.api.ExplicitIndexHits get(String key, Object valueOrNull, long startNode, long endNode) throws org.neo4j.internal.kernel.api.exceptions.explicitindex.ExplicitIndexNotFoundKernelException
public override ExplicitIndexHits Get(string key, object valueOrNull, long startNode, long endNode)
{
BooleanQuery.Builder builder = new BooleanQuery.Builder();
if (!string.ReferenceEquals(key, null) && valueOrNull != null)
{
builder.add(Type.get(key, valueOrNull), Occur.MUST);
}
AddIfAssigned(builder, startNode, KEY_START_NODE_ID);
AddIfAssigned(builder, endNode, KEY_END_NODE_ID);
return(Query(builder.build(), null, null, null));
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public org.neo4j.kernel.api.ExplicitIndexHits query(String key, Object queryOrQueryObjectOrNull, long startNode, long endNode) throws org.neo4j.internal.kernel.api.exceptions.explicitindex.ExplicitIndexNotFoundKernelException
public override ExplicitIndexHits Query(string key, object queryOrQueryObjectOrNull, long startNode, long endNode)
{
QueryContext context = queryOrQueryObjectOrNull != null && queryOrQueryObjectOrNull is QueryContext ? ( QueryContext )queryOrQueryObjectOrNull : null;
BooleanQuery.Builder builder = new BooleanQuery.Builder();
if ((context != null && context.QueryOrQueryObject != null) || (context == null && queryOrQueryObjectOrNull != null))
{
builder.add(Type.query(key, context != null ? context.QueryOrQueryObject : queryOrQueryObjectOrNull, context), Occur.MUST);
}
AddIfAssigned(builder, startNode, KEY_START_NODE_ID);
AddIfAssigned(builder, endNode, KEY_END_NODE_ID);
return(Query(builder.build(), null, null, context));
}
private Query InjectOrphans(Query query)
{
if (query is BooleanQuery)
{
BooleanQuery source = ( BooleanQuery )query;
BooleanQuery.Builder builder = new BooleanQuery.Builder();
foreach (BooleanClause clause in source.clauses())
{
builder.add(InjectOrphans(clause.Query), clause.Occur);
}
return(builder.build());
}
string orphanField = ExtractTermField(query);
if (string.ReferenceEquals(orphanField, null))
{
return(query);
}
return((new BooleanQuery.Builder()).add(query, BooleanClause.Occur.SHOULD).add(new TermQuery(new Term(ORPHANS_KEY, orphanField)), BooleanClause.Occur.SHOULD).build());
}