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ReadOnlyDatabaseSchemaIndex.java
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ReadOnlyDatabaseSchemaIndex.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 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.api.impl.schema;
import java.io.IOException;
import java.util.List;
import org.neo4j.kernel.api.exceptions.index.IndexEntryConflictException;
import org.neo4j.kernel.api.impl.index.ReadOnlyAbstractDatabaseIndex;
import org.neo4j.kernel.api.impl.index.partition.ReadOnlyIndexPartitionFactory;
import org.neo4j.kernel.api.impl.index.storage.PartitionedIndexStorage;
import org.neo4j.kernel.api.impl.schema.writer.LuceneIndexWriter;
import org.neo4j.kernel.api.index.IndexConfiguration;
import org.neo4j.kernel.api.index.PropertyAccessor;
import org.neo4j.kernel.impl.api.index.sampling.IndexSamplingConfig;
import org.neo4j.storageengine.api.schema.IndexReader;
/**
* Read only schema index
*/
public class ReadOnlyDatabaseSchemaIndex extends ReadOnlyAbstractDatabaseIndex<LuceneSchemaIndex> implements SchemaIndex
{
public ReadOnlyDatabaseSchemaIndex( PartitionedIndexStorage indexStorage, IndexConfiguration indexConfig,
IndexSamplingConfig samplingConfig, ReadOnlyIndexPartitionFactory readOnlyIndexPartitionFactory )
{
super( new LuceneSchemaIndex( indexStorage, indexConfig, samplingConfig, readOnlyIndexPartitionFactory ) );
}
@Override
public LuceneIndexWriter getIndexWriter() throws IOException
{
throw new UnsupportedOperationException( "Can't get index writer for read only lucene index." );
}
@Override
public IndexReader getIndexReader() throws IOException
{
return luceneIndex.getIndexReader();
}
/**
* {@inheritDoc}
*/
@Override
public void verifyUniqueness( PropertyAccessor accessor, int propertyKeyId )
throws IOException, IndexEntryConflictException
{
luceneIndex.verifyUniqueness( accessor, propertyKeyId );
}
/**
* {@inheritDoc}
*/
@Override
public void verifyUniqueness( PropertyAccessor accessor, int propertyKeyId, List<Object> updatedPropertyValues )
throws IOException, IndexEntryConflictException
{
luceneIndex.verifyUniqueness( accessor, propertyKeyId, updatedPropertyValues );
}
/**
* {@inheritDoc}
*/
@Override
public boolean isOnline() throws IOException
{
return luceneIndex.isOnline();
}
/**
* Unsupported operation in read only index.
*/
@Override
public void markAsOnline() throws IOException
{
throw new UnsupportedOperationException( "Can't mark read only index." );
}
/**
* {@inheritDoc}
*/
@Override
public void markAsFailed( String failure ) throws IOException
{
luceneIndex.markAsFailed( failure );
}
}