private PropertyAccessor buildForArrayField()

in lightning-core/src/main/java/org/apache/directmemory/lightning/internal/beans/SunUnsafePropertyAccessorFactory.java [177:339]


    private PropertyAccessor buildForArrayField( final Field field, final Class<?> definedClass )
    {
        return new FieldArrayPropertyAccessor( field, definedClass )
        {

            private final long offset;

            private final int arrayBaseOffset;

            private final int arrayIndexScale;

            {
                offset = UNSAFE.objectFieldOffset( field );
                arrayBaseOffset = UNSAFE.arrayBaseOffset( field.getType() );
                arrayIndexScale = UNSAFE.arrayIndexScale( field.getType() );
            }

            @Override
            public <T> void writeObject( Object instance, T value )
            {
                UNSAFE.putObject( instance, offset, value );
            }

            @Override
            @SuppressWarnings( "unchecked" )
            public <T> T readObject( Object instance )
            {
                return (T) UNSAFE.getObject( instance, offset );
            }

            @Override
            public <T> void writeObject( Object instance, int index, T value )
            {
                long offset = calculateIndexOffset( index );
                UNSAFE.putObject( instance, offset, value );
            }

            @Override
            @SuppressWarnings( "unchecked" )
            public <T> T readObject( Object instance, int index )
            {
                long localOffset = calculateIndexOffset( index );
                return (T) UNSAFE.getObject( instance, localOffset );
            }

            @Override
            public void writeBoolean( Object instance, int index, boolean value )
            {
                long offset = calculateIndexOffset( index );
                UNSAFE.putBoolean( instance, offset, value );
            }

            @Override
            public boolean readBoolean( Object instance, int index )
            {
                long offset = calculateIndexOffset( index );
                return UNSAFE.getBoolean( instance, offset );
            }

            @Override
            public void writeByte( Object instance, int index, byte value )
            {
                long offset = calculateIndexOffset( index );
                UNSAFE.putByte( instance, offset, value );
            }

            @Override
            public byte readByte( Object instance, int index )
            {
                long offset = calculateIndexOffset( index );
                return UNSAFE.getByte( instance, offset );
            }

            @Override
            public void writeShort( Object instance, int index, short value )
            {
                long offset = calculateIndexOffset( index );
                UNSAFE.putShort( instance, offset, value );
            }

            @Override
            public short readShort( Object instance, int index )
            {
                long offset = calculateIndexOffset( index );
                return UNSAFE.getShort( instance, offset );
            }

            @Override
            public void writeChar( Object instance, int index, char value )
            {
                long offset = calculateIndexOffset( index );
                UNSAFE.putChar( instance, offset, value );
            }

            @Override
            public char readChar( Object instance, int index )
            {
                long offset = calculateIndexOffset( index );
                return UNSAFE.getChar( instance, offset );
            }

            @Override
            public void writeInt( Object instance, int index, int value )
            {
                long offset = calculateIndexOffset( index );
                UNSAFE.putInt( instance, offset, value );
            }

            @Override
            public int readInt( Object instance, int index )
            {
                long offset = calculateIndexOffset( index );
                return UNSAFE.getInt( instance, offset );
            }

            @Override
            public void writeLong( Object instance, int index, long value )
            {
                long offset = calculateIndexOffset( index );
                UNSAFE.putLong( instance, offset, value );
            }

            @Override
            public long readLong( Object instance, int index )
            {
                long offset = calculateIndexOffset( index );
                return UNSAFE.getLong( instance, offset );
            }

            @Override
            public void writeFloat( Object instance, int index, float value )
            {
                long offset = calculateIndexOffset( index );
                UNSAFE.putFloat( instance, offset, value );
            }

            @Override
            public float readFloat( Object instance, int index )
            {
                long offset = calculateIndexOffset( index );
                return UNSAFE.getFloat( instance, offset );
            }

            @Override
            public void writeDouble( Object instance, int index, double value )
            {
                long offset = calculateIndexOffset( index );
                UNSAFE.putDouble( instance, offset, value );
            }

            @Override
            public double readDouble( Object instance, int index )
            {
                long offset = calculateIndexOffset( index );
                return UNSAFE.getDouble( instance, offset );
            }

            private long calculateIndexOffset( int index )
            {
                return arrayBaseOffset + ( index * arrayIndexScale );
            }
        };
    }