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GraphSetup.java
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GraphSetup.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 Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.impl.store.prototype.neole;
import org.junit.rules.TemporaryFolder;
import org.junit.runner.Description;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import org.neo4j.graphdb.GraphDatabaseService;
import org.neo4j.graphdb.config.Setting;
import org.neo4j.graphdb.factory.GraphDatabaseBuilder;
import org.neo4j.graphdb.factory.GraphDatabaseFactory;
import org.neo4j.impl.kernel.api.EdgeGroupCursor;
import org.neo4j.impl.kernel.api.EdgeManualIndexCursor;
import org.neo4j.impl.kernel.api.EdgeScanCursor;
import org.neo4j.impl.kernel.api.EdgeTraversalCursor;
import org.neo4j.impl.kernel.api.IndexPredicate;
import org.neo4j.impl.kernel.api.IndexReference;
import org.neo4j.impl.kernel.api.NodeCursor;
import org.neo4j.impl.kernel.api.NodeLabelIndexCursor;
import org.neo4j.impl.kernel.api.NodeManualIndexCursor;
import org.neo4j.impl.kernel.api.NodeValueIndexCursor;
import org.neo4j.impl.kernel.api.PropertyCursor;
import org.neo4j.impl.kernel.api.Read;
import org.neo4j.impl.kernel.api.Scan;
public abstract class GraphSetup extends TestResource implements Read, org.neo4j.impl.kernel.api.CursorFactory
{
private final TemporaryFolder folder = new TemporaryFolder();
private ReadStore store;
private CursorFactory cursors;
private final Map<Setting<?>,String> config = new HashMap<>();
protected void before( Description description ) throws IOException
{
folder.create();
GraphDatabaseService graphDb = null;
try
{
GraphDatabaseBuilder builder = new GraphDatabaseFactory().newEmbeddedDatabaseBuilder( folder.getRoot() );
for ( Map.Entry<Setting<?>,String> conf : config.entrySet() )
{
builder.setConfig( conf.getKey(), conf.getValue() );
}
create( graphDb = builder.newGraphDatabase() );
}
finally
{
if ( graphDb != null )
{
graphDb.shutdown();
}
}
store = new ReadStore( folder.getRoot() );
cursors = new CursorFactory( store );
}
public final GraphSetup withConfig( Setting<?> setting, String value )
{
config.put( setting, value );
return this;
}
protected abstract void create( GraphDatabaseService graphDb );
protected void afterFailure( Description description, Throwable failure )
{
after();
}
protected void afterSuccess( Description description )
{
after();
}
private void after()
{
try
{
store.shutdown();
folder.delete();
cleanup();
}
finally
{
cursors = null;
store = null;
}
}
protected void cleanup()
{
}
@Override
public void nodeIndexSeek( IndexReference index, NodeValueIndexCursor cursor, IndexPredicate... predicates )
{
store.nodeIndexSeek( index, cursor, predicates );
}
@Override
public void nodeIndexScan( IndexReference index, NodeValueIndexCursor cursor )
{
store.nodeIndexScan( index, cursor );
}
@Override
public void nodeLabelScan( int label, NodeLabelIndexCursor cursor )
{
store.nodeLabelScan( label, cursor );
}
@Override
public Scan<NodeLabelIndexCursor> nodeLabelScan( int label )
{
return store.nodeLabelScan( label );
}
@Override
public void allNodesScan( NodeCursor cursor )
{
store.allNodesScan( cursor );
}
@Override
public Scan<NodeCursor> allNodesScan()
{
return store.allNodesScan();
}
@Override
public void singleNode( long reference, NodeCursor cursor )
{
store.singleNode( reference, cursor );
}
@Override
public void singleEdge( long reference, EdgeScanCursor cursor )
{
store.singleEdge( reference, cursor );
}
@Override
public void allEdgesScan( EdgeScanCursor cursor )
{
store.allEdgesScan( cursor );
}
@Override
public Scan<EdgeScanCursor> allEdgesScan()
{
return store.allEdgesScan();
}
@Override
public void edgeLabelScan( int label, EdgeScanCursor cursor )
{
store.edgeLabelScan( label, cursor );
}
@Override
public Scan<EdgeScanCursor> edgeLabelScan( int label )
{
return store.edgeLabelScan( label );
}
@Override
public void edgeGroups( long nodeReference, long reference, EdgeGroupCursor cursor )
{
store.edgeGroups( nodeReference, reference, cursor );
}
@Override
public void edges( long nodeReference, long reference, EdgeTraversalCursor cursor )
{
store.edges( nodeReference, reference, cursor );
}
@Override
public void nodeProperties( long reference, PropertyCursor cursor )
{
store.nodeProperties( reference, cursor );
}
@Override
public void edgeProperties( long reference, PropertyCursor cursor )
{
store.edgeProperties( reference, cursor );
}
@Override
public void futureNodeReferenceRead( long reference )
{
store.futureNodeReferenceRead( reference );
}
@Override
public void futureEdgeReferenceRead( long reference )
{
store.futureEdgeReferenceRead( reference );
}
@Override
public void futureNodePropertyReferenceRead( long reference )
{
store.futureNodePropertyReferenceRead( reference );
}
@Override
public void futureEdgePropertyReferenceRead( long reference )
{
store.futureEdgePropertyReferenceRead( reference );
}
@Override
public NodeCursor allocateNodeCursor()
{
return cursors.allocateNodeCursor();
}
@Override
public EdgeScanCursor allocateEdgeScanCursor()
{
return cursors.allocateEdgeScanCursor();
}
@Override
public EdgeTraversalCursor allocateEdgeTraversalCursor()
{
return cursors.allocateEdgeTraversalCursor();
}
@Override
public PropertyCursor allocatePropertyCursor()
{
return cursors.allocatePropertyCursor();
}
@Override
public EdgeGroupCursor allocateEdgeGroupCursor()
{
return cursors.allocateEdgeGroupCursor();
}
@Override
public NodeValueIndexCursor allocateNodeValueIndexCursor()
{
return cursors.allocateNodeValueIndexCursor();
}
@Override
public NodeLabelIndexCursor allocateNodeLabelIndexCursor()
{
return cursors.allocateNodeLabelIndexCursor();
}
@Override
public NodeManualIndexCursor allocateNodeManualIndexCursor()
{
return cursors.allocateNodeManualIndexCursor();
}
@Override
public EdgeManualIndexCursor allocateEdgeManualIndexCursor()
{
return cursors.allocateEdgeManualIndexCursor();
}
}