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RoleProcedure.java
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RoleProcedure.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.coreedge.discovery.procedures;
import org.neo4j.collection.RawIterator;
import org.neo4j.kernel.api.exceptions.ProcedureException;
import org.neo4j.kernel.api.proc.CallableProcedure;
import org.neo4j.kernel.api.proc.Context;
import org.neo4j.kernel.api.proc.Neo4jTypes;
import org.neo4j.kernel.api.proc.QualifiedName;
import static org.neo4j.kernel.api.proc.ProcedureSignature.procedureSignature;
abstract class RoleProcedure extends CallableProcedure.BasicProcedure
{
private static final String PROCEDURE_NAME = "role";
private static final String[] PROCEDURE_NAMESPACE = {"dbms", "cluster"};
private static final String OUTPUT_NAME = "role";
RoleProcedure()
{
super( procedureSignature( new QualifiedName( PROCEDURE_NAMESPACE, PROCEDURE_NAME ) )
.out( OUTPUT_NAME, Neo4jTypes.NTString )
.description( "The role of a specific instance in the cluster." )
.build() );
}
@Override
public RawIterator<Object[],ProcedureException> apply( Context ctx, Object[] input ) throws ProcedureException
{
return RawIterator.<Object[],ProcedureException>of( new Object[]{role().name()} );
}
abstract Role role();
}