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Neo4j kernel is a lightweight, embedded Java database designed to
store data structured as graphs rather than tables. For more
information, see http://neo4j.org.
/*
* Copyright (c) "Neo4j"
* Neo4j Sweden AB [http://neo4j.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 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
package org.neo4j.kernel.impl.api;
public interface LeaseService
{
int NO_LEASE = -1;
LeaseClient newClient();
LeaseService NO_LEASES = () -> NoLeaseClient.INSTANCE;
class NoLeaseClient implements LeaseClient
{
public static final NoLeaseClient INSTANCE = new NoLeaseClient();
private NoLeaseClient()
{
}
@Override
public int leaseId()
{
return NO_LEASE;
}
@Override
public void ensureValid() throws LeaseException
{
// always valid
}
}
}