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AbstractSwallowingIndexProxy.java
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AbstractSwallowingIndexProxy.java
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/*
* Copyright (c) 2002-2017 "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.kernel.impl.api.index;
import java.util.concurrent.Future;
import org.neo4j.kernel.api.index.IndexUpdater;
import org.neo4j.kernel.api.index.SchemaIndexProvider;
import org.neo4j.kernel.api.schema_new.index.NewIndexDescriptor;
import org.neo4j.storageengine.api.schema.IndexReader;
import org.neo4j.storageengine.api.schema.PopulationProgress;
import org.neo4j.kernel.impl.api.index.updater.SwallowingIndexUpdater;
import static org.neo4j.helpers.FutureAdapter.VOID;
public abstract class AbstractSwallowingIndexProxy implements IndexProxy
{
private final NewIndexDescriptor descriptor;
private final SchemaIndexProvider.Descriptor providerDescriptor;
private final IndexPopulationFailure populationFailure;
public AbstractSwallowingIndexProxy( NewIndexDescriptor descriptor,
SchemaIndexProvider.Descriptor providerDescriptor, IndexPopulationFailure populationFailure )
{
this.descriptor = descriptor;
this.providerDescriptor = providerDescriptor;
this.populationFailure = populationFailure;
}
@Override
public IndexPopulationFailure getPopulationFailure()
{
return populationFailure;
}
@Override
public PopulationProgress getIndexPopulationProgress()
{
return PopulationProgress.NONE;
}
@Override
public void start()
{
String message = "Unable to start index, it is in a " + getState().name() + " state.";
throw new UnsupportedOperationException( message + ", caused by: " + getPopulationFailure() );
}
@Override
public IndexUpdater newUpdater( IndexUpdateMode mode )
{
return SwallowingIndexUpdater.INSTANCE;
}
@Override
public void force()
{
}
@Override
public void flush()
{
}
@Override
public NewIndexDescriptor getDescriptor()
{
return descriptor;
}
@Override
public SchemaIndexProvider.Descriptor getProviderDescriptor()
{
return providerDescriptor;
}
@Override
public Future<Void> close()
{
return VOID;
}
@Override
public IndexReader newReader()
{
throw new UnsupportedOperationException();
}
}