Class array

dlib/java/java_array.h:296–381

template <typename T>
class array
{
public:

    typedef typename find_java_array_type<T>::type java_type;

    array() {}

    explicit array(size_t size) 
    {
        ref = create_java_array(T(),size);
        is_global_ref = false;
    }

    array(java_type ref_)
    {
        if (ref_)
        {
            ref = (java_type)JNI_GetEnv()->NewGlobalRef(ref_);
            is_global_ref = true;
        }
    }

#ifndef SWIG
    array(array&& item)
    {
        ref = item.ref;
        is_global_ref = item.is_global_ref;
        item.ref = NULL;
        item.is_global_ref = false;
    }
    array& operator= (array&& item)
    {
        array(std::move(item)).swap(*this);
        return *this;
    }
#endif

    ~array()
    {
        if (ref)
        {
            // Don't delete the reference if it's a local reference, since the only reason
            // we will normally be using array object's that contain local references
            // is because we plan on returning the newly constructed array back to the JVM,
            // which automatically frees local references using the normal JVM garbage
            // collection scheme.
            if (is_global_ref)
                JNI_GetEnv()->DeleteGlobalRef(ref);

            ref = NULL;
            is_global_ref = false;
        }
    }

    size_t size() const 
    { 
        if (ref)