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ARROW-207: Extend BufferAllocator interface to allow decorators around BufferAllocator #81

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ARROW-207: Extend BufferAllocator interface to allow decorators around BufferAllocator #81

wants to merge 1 commit into from

Commits on May 23, 2016

  1. ARROW-207: Extend BufferAllocator interface to allow decorators aroun… 

    …d BufferAllocator

Currently AllocationManager needs BufferAllocator instance reference for accounting purposes.
Having a decorator around the BufferAllocator distrubs the accounting in AllocationManager.
Add an unwrap method to allow getting the reference to inner BufferAllocator instance and use
this method in AllocationManager to get the actual BufferAllocator.

  /**
   * Unwrap the class so that exposes the provided interface, if possible. Otherwise, throw Exception.
   * @param c
   *          The class or interface that you want this class to implement/extend.
   * @return The instance of that class related to 'this'
   */
  <T> T unwrap(Class<T> c);
    vkorukanti committed May 23, 2016
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