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CharArrayProperty.java
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CharArrayProperty.java
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/*
* Copyright (c) 2002-2017 "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.api.properties;
import java.util.Arrays;
class CharArrayProperty extends DefinedProperty
{
final char[] value;
CharArrayProperty( int propertyKeyId, char[] value )
{
super( propertyKeyId );
assert value != null;
this.value = value;
}
@Override
public char[] value()
{
return value.clone();
}
@Override
public boolean valueEquals( Object other )
{
return valueEquals( this.value, other );
}
static boolean valueEquals( char[] value, Object other )
{
if ( other instanceof char[] )
{
return Arrays.equals( value, (char[]) other );
}
if ( other instanceof Character[] )
{
Character[] that = (Character[]) other;
if ( value.length == that.length )
{
for ( int i = 0; i < that.length; i++ )
{
Character character = that[i];
if ( character == null || character != value[i] )
{
return false;
}
}
return true;
}
}
else if ( other instanceof String[] )
{
return eq( (String[]) other, value );
}
// else if ( other instanceof String ) // should we perhaps support this?
return false;
}
@Override
public int valueHash()
{
return hash( value );
}
static int hash( char[] value )
{
return Arrays.hashCode( value );
}
@Override
boolean hasEqualValue( DefinedProperty other )
{
if ( other instanceof CharArrayProperty )
{
CharArrayProperty that = (CharArrayProperty) other;
return Arrays.equals( this.value, that.value );
}
if ( other instanceof StringArrayProperty )
{
StringArrayProperty that = (StringArrayProperty) other;
return eq( that.value, this.value );
}
return false;
}
static boolean eq( String[] strings, char[] chars )
{
if ( strings.length == chars.length )
{
for ( int i = 0; i < strings.length; i++ )
{
String str = strings[i];
if ( str == null || str.length() != 1 || str.charAt( 0 ) != chars[i] )
{
return false;
}
}
return true;
}
return false;
}
}