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Record.java
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Record.java
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/*
* Copyright (c) 2002-2016 "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.store.record;
/**
* Various constants used in records for different stores.
*/
public enum Record
{
/**
* Generic value of a reference not pointing to anything.
*/
NULL_REFERENCE( (byte) -1, -1 ),
NOT_IN_USE( (byte) 0, 0 ),
IN_USE( (byte) 1, 1 ),
FIRST_IN_CHAIN( (byte) 2, 2 ),
RESERVED( (byte) -1, -1 ),
NO_NEXT_PROPERTY( NULL_REFERENCE ),
NO_PREVIOUS_PROPERTY( NULL_REFERENCE ),
NO_NEXT_RELATIONSHIP( NULL_REFERENCE ),
NO_PREV_RELATIONSHIP( NULL_REFERENCE ),
NO_NEXT_BLOCK( NULL_REFERENCE ),
NODE_PROPERTY( (byte) 0, 0 ),
REL_PROPERTY( (byte) 2, 2 ),
NO_LABELS_FIELD( (byte)0, 0 );
public static final byte CREATED_IN_TX = 2;
public static final byte REQUIRE_SECONDARY_UNIT = 4;
public static final byte HAS_SECONDARY_UNIT = 8;
private byte byteValue;
private int intValue;
Record( Record from )
{
this( from.byteValue, from.intValue );
}
Record( byte byteValue, int intValue )
{
this.byteValue = byteValue;
this.intValue = intValue;
}
/**
* Returns a byte value representation for this record type.
*
* @return The byte value for this record type
*/
public byte byteValue()
{
return byteValue;
}
/**
* Returns a int value representation for this record type.
*
* @return The int value for this record type
*/
public int intValue()
{
return intValue;
}
public long longValue()
{
return intValue;
}
public boolean is( long value )
{
return value == intValue;
}
}