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KernelToken.java
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KernelToken.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.newapi;
import org.neo4j.internal.kernel.api.Token;
import org.neo4j.internal.kernel.api.exceptions.LabelNotFoundKernelException;
import org.neo4j.internal.kernel.api.exceptions.PropertyKeyIdNotFoundKernelException;
import org.neo4j.internal.kernel.api.exceptions.schema.IllegalTokenNameException;
import org.neo4j.internal.kernel.api.exceptions.schema.TooManyLabelsException;
import org.neo4j.storageengine.api.StoreReadLayer;
public class KernelToken implements Token
{
private final StoreReadLayer store;
public KernelToken( StoreReadLayer store )
{
this.store = store;
}
@Override
public int labelGetOrCreateForName( String labelName ) throws IllegalTokenNameException, TooManyLabelsException
{
return store.labelGetOrCreateForName( checkValidTokenName( labelName ) );
}
@Override
public int propertyKeyGetOrCreateForName( String propertyKeyName ) throws IllegalTokenNameException
{
return store.propertyKeyGetOrCreateForName( checkValidTokenName( propertyKeyName ) );
}
@Override
public int relationshipTypeGetOrCreateForName( String relationshipTypeName ) throws IllegalTokenNameException
{
return store.propertyKeyGetOrCreateForName( checkValidTokenName( relationshipTypeName ) );
}
@Override
public String nodeLabelName( int labelId ) throws LabelNotFoundKernelException
{
return store.labelGetName( labelId );
}
@Override
public int nodeLabel( String name )
{
return store.labelGetForName( name );
}
@Override
public int relationshipType( String name )
{
return store.relationshipTypeGetForName( name );
}
@Override
public int propertyKey( String name )
{
return store.propertyKeyGetForName( name );
}
@Override
public String propertyKeyName( int propertyKeyId ) throws PropertyKeyIdNotFoundKernelException
{
return store.propertyKeyGetName( propertyKeyId );
}
private String checkValidTokenName( String name ) throws IllegalTokenNameException
{
if ( name == null || name.isEmpty() )
{
throw new IllegalTokenNameException( name );
}
return name;
}
}