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IndexDescriptorCompatibility.scala
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IndexDescriptorCompatibility.scala
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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.cypher.internal.runtime.interpreted
import org.neo4j.cypher.internal.planner.v3_5.spi.{IndexDescriptor => CypherIndexDescriptor}
import org.neo4j.internal.kernel.api.schema.LabelSchemaDescriptor
import org.neo4j.kernel.api.schema.SchemaDescriptorFactory
import org.neo4j.kernel.api.schema.index.{IndexDescriptorFactory, IndexDescriptor => KernelIndexDescriptor}
trait IndexDescriptorCompatibility {
def cypherToKernel(index: CypherIndexDescriptor): KernelIndexDescriptor =
IndexDescriptorFactory.forLabel(index.label.id, index.properties.map(_.id):_*)
def kernelToCypher(index: KernelIndexDescriptor): CypherIndexDescriptor =
CypherIndexDescriptor(index.schema().keyId, index.schema().getPropertyIds)
def cypherToKernelSchema(index: CypherIndexDescriptor): LabelSchemaDescriptor =
SchemaDescriptorFactory.forLabel(index.label.id, index.properties.map(_.id):_*)
def toLabelSchemaDescriptor(labelId: Int, propertyKeyIds: Seq[Int]): LabelSchemaDescriptor =
SchemaDescriptorFactory.forLabel(labelId, propertyKeyIds.toArray:_*)
def toLabelSchemaDescriptor(tc: TransactionBoundTokenContext, labelName: String, propertyKeys: Seq[String]): LabelSchemaDescriptor = {
val labelId: Int = tc.getLabelId(labelName)
val propertyKeyIds: Seq[Int] = propertyKeys.map(tc.getPropertyKeyId)
toLabelSchemaDescriptor(labelId, propertyKeyIds)
}
}