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MultiTokenSchemaDescriptor.java
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MultiTokenSchemaDescriptor.java
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/*
* Copyright (c) 2002-2018 "Neo4j,"
* Neo4j Sweden AB [http://neo4j.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.schema;
import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.NotImplementedException;
import java.util.Arrays;
import java.util.Objects;
import org.neo4j.internal.kernel.api.TokenNameLookup;
import org.neo4j.internal.kernel.api.schema.SchemaComputer;
import org.neo4j.internal.kernel.api.schema.SchemaDescriptor;
import org.neo4j.internal.kernel.api.schema.SchemaProcessor;
import org.neo4j.internal.kernel.api.schema.SchemaUtil;
import org.neo4j.kernel.impl.locking.ResourceTypes;
import org.neo4j.storageengine.api.EntityType;
import org.neo4j.storageengine.api.lock.ResourceType;
import static java.util.stream.Collectors.joining;
public class MultiTokenSchemaDescriptor implements org.neo4j.internal.kernel.api.schema.MultiTokenSchemaDescriptor
{
private final int[] entityTokens;
private final EntityType entityType;
private final int[] propertyIds;
MultiTokenSchemaDescriptor( int[] entityTokens, EntityType entityType, int[] propertyIds )
{
this.entityTokens = entityTokens;
Arrays.sort( this.entityTokens );
this.entityType = entityType;
this.propertyIds = propertyIds;
}
@Override
public boolean isAffected( long[] entityTokenIds )
{
if ( Arrays.equals( entityTokens, ANY_ENTITY_TOKEN ) )
{
return true;
}
for ( int id : entityTokens )
{
if ( ArrayUtils.contains( entityTokenIds, id ) )
{
return true;
}
}
return false;
}
@Override
public <R> R computeWith( SchemaComputer<R> computer )
{
throw new NotImplementedException( "Not implemented" );
// return computer.computeSpecific( this );
}
@Override
public void processWith( SchemaProcessor processor )
{
throw new NotImplementedException( "Not implemented" );
// processor.processSpecific( this );
}
@Override
public String toString()
{
return "MultiTokenSchemaDescriptor[" + userDescription( SchemaUtil.idTokenNameLookup ) + "]";
}
@Override
public String userDescription( TokenNameLookup tokenNameLookup )
{
return String.format( entityType + ":%s(%s)",
Arrays.stream( tokenNameLookup.entityTokensGetNames( entityType, entityTokens ) )
.collect( joining( ", " ) ),
SchemaUtil.niceProperties( tokenNameLookup, propertyIds ) );
}
@Override
public int[] getPropertyIds()
{
return propertyIds;
}
@Override
public int[] getEntityTokenIds()
{
return entityTokens;
}
@Override
public int keyId()
{
//TODO MultiTokenSchema support for the new kernel api. This method is only used in the AllStoreHolder
return 1;
}
@Override
public ResourceType keyType()
{
if ( entityType == EntityType.NODE )
{
return ResourceTypes.LABEL;
}
else if ( entityType == EntityType.RELATIONSHIP )
{
return ResourceTypes.RELATIONSHIP_TYPE;
}
throw new UnsupportedOperationException(
"Keys for non-schema indexes of type " + entityType + " is not supported." );
}
@Override
public EntityType entityType()
{
return entityType;
}
@Override
public SchemaDescriptor.PropertySchemaType propertySchemaType()
{
return PropertySchemaType.PARTIAL_ANY_TOKEN;
}
@Override
public SchemaDescriptor schema()
{
return this;
}
@Override
public boolean equals( Object o )
{
if ( this == o )
{
return true;
}
if ( o == null || getClass() != o.getClass() )
{
return false;
}
MultiTokenSchemaDescriptor that = (MultiTokenSchemaDescriptor) o;
return Arrays.equals( entityTokens, that.entityTokens ) && entityType == that.entityType &&
Arrays.equals( propertyIds, that.propertyIds );
}
@Override
public int hashCode()
{
int result = Objects.hash( entityType );
result = 31 * result + Arrays.hashCode( entityTokens );
result = 31 * result + Arrays.hashCode( propertyIds );
return result;
}
}