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RecoveringIndexProxy.java
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RecoveringIndexProxy.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.kernel.impl.api.index;
import java.io.File;
import java.util.concurrent.Future;
import org.neo4j.graphdb.ResourceIterator;
import org.neo4j.internal.kernel.api.InternalIndexState;
import org.neo4j.kernel.api.exceptions.index.IndexPopulationFailedKernelException;
import org.neo4j.storageengine.api.schema.PopulationProgress;
import static org.neo4j.helpers.FutureAdapter.VOID;
public class RecoveringIndexProxy extends AbstractSwallowingIndexProxy
{
RecoveringIndexProxy( IndexMeta indexMeta )
{
super( indexMeta, null );
}
@Override
public InternalIndexState getState()
{
return InternalIndexState.POPULATING;
}
@Override
public boolean awaitStoreScanCompleted()
{
throw unsupportedOperation( "Cannot await population on a recovering index." );
}
@Override
public void activate()
{
throw unsupportedOperation( "Cannot activate recovering index." );
}
@Override
public void validate()
{
throw unsupportedOperation( "Cannot validate recovering index." );
}
@Override
public ResourceIterator<File> snapshotFiles()
{
throw unsupportedOperation( "Cannot snapshot a recovering index." );
}
@Override
public Future<Void> drop()
{
return VOID;
}
@Override
public IndexPopulationFailure getPopulationFailure() throws IllegalStateException
{
throw new IllegalStateException( this + " is recovering" );
}
@Override
public PopulationProgress getIndexPopulationProgress()
{
throw new IllegalStateException( this + " is recovering" );
}
private UnsupportedOperationException unsupportedOperation( String message )
{
return new UnsupportedOperationException( message + " Recovering Index" + getDescriptor() );
}
}