com.exonum.binding.core.proxy.AbstractNativeProxy

Direct Known Subclasses:: AbstractCloseableNativeProxy, EntryIndexProxy, KeySetIndexProxy, ListIndexProxy, MapIndexProxy, ProofListIndexProxy, ProofMapIndexProxy, ValueSetIndexProxy, View

public abstract class AbstractNativeProxy
extends Object

A base class of a native proxy.

Method Summary

Modifier and Type	Method	Description
`protected long`	`getNativeHandle()`	Returns a handle to the native object if it may be safely used to access the native object.
`protected boolean`	`isValidHandle()`	Returns true if this proxy has a valid native handle.

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- nativeHandle
  
  protected final NativeHandle nativeHandle
  
  A handle to the native object.
Constructor Details
- AbstractNativeProxy
  
  protected AbstractNativeProxy(NativeHandle nativeHandle)
Method Details
- getNativeHandle
  
  protected long getNativeHandle()
  
  Returns a handle to the native object if it may be safely used to access the native object. Equivalent to nativeHandle.get().
  The returned value shall only be passed as an argument to native methods.
  Warning: do not cache the return value, as you won't be able to catch use-after-free.
  
  Throws:
  
  IllegalStateException - if the native handle is invalid (closed or nullptr)
- isValidHandle
  
  protected final boolean isValidHandle()
  
  Returns true if this proxy has a valid native handle.

Class AbstractNativeProxy