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protected byte[] valueBytesFromValue(CacheObjectValueContext ctx) throws IgniteCheckedException {
    byte[] bytes = ctx.kernalContext().cacheObjects().marshal(ctx, val);

    return CacheObjectsTransformer.transformIfNecessary(bytes, ctx);
}


protected Object valueFromValueBytes(CacheObjectValueContext ctx, ClassLoader ldr) throws IgniteCheckedException {
    byte[] bytes = CacheObjectsTransformer.restoreIfNecessary(valBytes, ctx);

    return ctx.kernalContext().cacheObjects().unmarshal(ctx, bytes, ldr);
}

... 

public void prepareMarshal(CacheObjectValueContext ctx) throws IgniteCheckedException {
	if (valBytes == null)
		valBytes = valueBytesFromValue(ctx);
}

...

public void finishUnmarshal(CacheObjectValueContext ctx, ClassLoader ldr) throws IgniteCheckedException { 
	if (val == null) 
    	val = valueFromValueBytes(ctx, ldr);
}

private byte[] arrayFromValueBytes(CacheObjectValueContext ctx) {
    return CacheObjectsTransformer.restoreIfNecessary(valBytes, ctx);
}

private byte[] valueBytesFromArray(CacheObjectValueContext ctx) {
    return CacheObjectsTransformer.transformIfNecessary(arr, start, arr.length, ctx);
}

...

public void finishUnmarshal(CacheObjectValueContext ctx, ClassLoader ldr) throws IgniteCheckedException {
	if (arr == null)
	arr = arrayFromValueBytes(ctx);
...
}

...

public void prepareMarshal(CacheObjectValueContext ctx) {
	if (valBytes == null)
		valBytes = valueBytesFromArray(ctx);
}