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BuiltInProcedures.java
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BuiltInProcedures.java
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/*
* Copyright (c) 2002-2016 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.kernel.enterprise.builtinprocs;
import java.io.IOException;
import java.util.Map;
import java.util.stream.Stream;
import org.neo4j.graphdb.DependencyResolver;
import org.neo4j.kernel.api.ExecutingQuery;
import org.neo4j.kernel.api.KernelTransaction;
import org.neo4j.kernel.api.security.exception.InvalidArgumentsException;
import org.neo4j.kernel.impl.api.KernelTransactions;
import org.neo4j.kernel.internal.GraphDatabaseAPI;
import org.neo4j.procedure.Context;
import org.neo4j.procedure.Procedure;
import static org.neo4j.procedure.Procedure.Mode.DBMS;
public class BuiltInProcedures
{
@Context
public GraphDatabaseAPI graph;
@Context
public KernelTransaction tx;
@Procedure( name = "dbms.listQueries", mode = DBMS )
public Stream<QueryStatusResult> listQueries() throws InvalidArgumentsException, IOException
{
DependencyResolver resolver = graph.getDependencyResolver();
KernelTransactions kernelTransactions = resolver.resolveDependency( KernelTransactions.class );
return kernelTransactions.executingQueries().stream().map( this::queryStatusResult );
}
private QueryStatusResult queryStatusResult( ExecutingQuery q )
{
return new QueryStatusResult(
q.queryId(),
q.authSubjectName(),
q.queryText(),
q.queryParameters(),
q.startTime()
);
}
public static class QueryStatusResult
{
public final long queryId;
public final String username;
public final String query;
public final Map<String,Object> parameters;
public final long startTime;
QueryStatusResult( long queryId, String username, String query, Map<String,Object> parameters, long startTime )
{
this.queryId = queryId;
this.username = username;
this.query = query;
this.parameters = parameters;
this.startTime = startTime;
}
}
}