/**
* Copyright (c) 2002-2013 "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;
public enum IdType
{
NODE( 35, false ),
RELATIONSHIP( 35, false ),
PROPERTY( 36, true ), // This one
STRING_BLOCK( 36, true ), // This one
ARRAY_BLOCK( 36, true ), // This one
PROPERTY_INDEX( false ),
PROPERTY_INDEX_BLOCK( false ),
RELATIONSHIP_TYPE( 16, false ),
RELATIONSHIP_TYPE_BLOCK( false ),
NEOSTORE_BLOCK( false );
private final long max;
private final boolean allowAggressiveReuse;
private IdType( boolean allowAggressiveReuse )
{
this( 32, allowAggressiveReuse );
}
private IdType( int bits, boolean allowAggressiveReuse )
{
this.allowAggressiveReuse = allowAggressiveReuse;
this.max = (long)Math.pow( 2, bits )-1;
}
public long getMaxValue()
{
return this.max;
}
public boolean allowAggressiveReuse()
{
return allowAggressiveReuse;
}
public int getGrabSize()
{
return allowAggressiveReuse ? 50000 : 1024;
}
}