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Neo4j kernel is a lightweight, embedded Java database designed to store data structured as graphs rather than tables. For more information, see http://neo4j.org.

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/*
 * Copyright (c) "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 .
 */
package org.neo4j.kernel.api.query;

import java.util.HashMap;
import java.util.Map;

public class SchemaIndexUsage extends IndexUsage
{
    private final String label;
    private final String[] propertyKeys;
    private final int[] propertyKeyIds;
    private final int labelId;

    public SchemaIndexUsage( String identifier, int labelId, String label, int[] propertyKeyIds, String... propertyKeys )
    {
        super( identifier );
        this.label = label;
        this.labelId = labelId;
        this.propertyKeys = propertyKeys;
        this.propertyKeyIds = propertyKeyIds;
    }

    public SchemaIndexUsage( String identifier, int labelId, String label, String... propertyKeys )
    {
        this( identifier, labelId, label, new int[0], propertyKeys );
    }

    public int getLabelId()
    {
        return labelId;
    }

    public int[] getPropertyKeys()
    {
        return propertyKeyIds;
    }

    @Override
    public Map asMap()
    {
        Map map = new HashMap<>();
        map.put( "indexType", "SCHEMA INDEX" );
        map.put( "entityType", "NODE" );
        map.put( "identifier", identifier );
        map.put( "label", label );
        map.put( "labelId", String.valueOf( labelId ) );
        for ( int i = 0; i < propertyKeys.length; i++ )
        {
            String key = (propertyKeys.length > 1) ? "propertyKey_" + i : "propertyKey";
            map.put( key, propertyKeys[i] );
        }
        return map;
    }
}