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CapableIndexReference.java
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CapableIndexReference.java
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/*
* Copyright (c) 2002-2018 "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 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 <http://www.gnu.org/licenses/>.
*/
package org.neo4j.internal.kernel.api;
import org.neo4j.values.storable.ValueGroup;
/**
* Reference to a specific index together with it's capabilities. This reference is valid until the schema of the database changes
* (that is a create/drop of an index or constraint occurs).
*/
public interface CapableIndexReference extends IndexReference, IndexCapability
{
CapableIndexReference NO_INDEX = new CapableIndexReference()
{
@Override
public IndexOrder[] orderCapability( ValueGroup... valueGroups )
{
return NO_CAPABILITY.orderCapability( valueGroups );
}
@Override
public IndexValueCapability valueCapability( ValueGroup... valueGroups )
{
return NO_CAPABILITY.valueCapability( valueGroups );
}
@Override
public boolean isUnique()
{
return false;
}
@Override
public int label()
{
return Token.NO_TOKEN;
}
@Override
public int[] properties()
{
return new int[0];
}
@Override
public String providerKey()
{
return null;
}
@Override
public String providerVersion()
{
return null;
}
};
}