org.neo4j.values.storable.NumberValue Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of neo4j-values Show documentation
Neo4j property value system.
There is a newer version: 5.25.1
/*
 * 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.values.storable;

import org.neo4j.values.AnyValue;

public abstract class NumberValue extends ScalarValue
{
    static double safeCastFloatingPoint( String name, AnyValue value, double defaultValue )
    {
        if ( value == null )
        {
            return defaultValue;
        }
        if ( value instanceof IntegralValue )
        {
            return ((IntegralValue) value).doubleValue();
        }
        if ( value instanceof FloatingPointValue )
        {
            return ((FloatingPointValue) value).doubleValue();
        }
        throw new IllegalArgumentException(
                name + " must be a number value, but was a " + value.getClass().getSimpleName() );
    }

    public abstract double doubleValue();

    public abstract long longValue();

    public abstract int compareTo( IntegralValue other );

    public abstract int compareTo( FloatingPointValue other );

    @Override
    protected int unsafeCompareTo( Value otherValue )
    {
        if ( otherValue instanceof IntegralValue )
        {
            return compareTo( (IntegralValue) otherValue );
        }
        else if ( otherValue instanceof FloatingPointValue )
        {
            return compareTo( (FloatingPointValue) otherValue );
        }
        else
        {
            throw new IllegalArgumentException( "Cannot compare different values" );
        }
    }

    @Override
    public abstract Number asObjectCopy();

    @Override
    public Number asObject()
    {
        return asObjectCopy();
    }

    @Override
    public final boolean equals( boolean x )
    {
        return false;
    }

    @Override
    public final boolean equals( char x )
    {
        return false;
    }

    @Override
    public final boolean equals( String x )
    {
        return false;
    }

    public abstract NumberValue minus( long b );

    public abstract NumberValue minus( double b );

    public abstract NumberValue plus( long b );

    public abstract NumberValue plus( double b );

    public abstract NumberValue times( long b );

    public abstract NumberValue times( double b );

    public abstract NumberValue dividedBy( long b );

    public abstract NumberValue dividedBy( double b );

    public NumberValue minus( NumberValue numberValue )
    {
        if ( numberValue instanceof IntegralValue )
        {
            return minus( numberValue.longValue() );
        }
        else if ( numberValue instanceof FloatingPointValue )
        {
            return minus( numberValue.doubleValue() );
        }
        else
        {
            throw new IllegalArgumentException( "Cannot subtract " + numberValue );
        }
    }

    public NumberValue plus( NumberValue numberValue )
    {
        if ( numberValue instanceof IntegralValue )
        {
            return plus( numberValue.longValue() );
        }
        else if ( numberValue instanceof FloatingPointValue )
        {
            return plus( numberValue.doubleValue() );
        }
        else
        {
            throw new IllegalArgumentException( "Cannot add " + numberValue );
        }
    }

    public NumberValue times( NumberValue numberValue )
    {
        if ( numberValue instanceof IntegralValue )
        {
            return times( numberValue.longValue() );
        }
        else if ( numberValue instanceof FloatingPointValue )
        {
            return times( numberValue.doubleValue() );
        }
        else
        {
            throw new IllegalArgumentException( "Cannot multiply with " + numberValue );
        }
    }

    public NumberValue divideBy( NumberValue numberValue )
    {
        if ( numberValue instanceof IntegralValue )
        {
            return dividedBy( numberValue.longValue() );
        }
        else if ( numberValue instanceof FloatingPointValue )
        {
            return dividedBy( numberValue.doubleValue() );
        }
        else
        {
            throw new IllegalArgumentException( "Cannot divide by " + numberValue );
        }
    }
}