Package org.xerial.snappy.pool

Class QuiescentBufferPool

  • All Implemented Interfaces:
    BufferPool
    public final class QuiescentBufferPool
extends java.lang.Object
implements BufferPool
    A BufferPool implementation which does no pooling. New instances will be created for each call to allocate.

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      byte[] allocateArray​(int size)
      Creates a new byte[] of size.
      java.nio.ByteBuffer allocateDirect​(int size)
      Allocates a direct ByteBuffer of size.
      static BufferPool getInstance()  
      void releaseArray​(byte[] buffer)
      Does nothing.
      void releaseDirect​(java.nio.ByteBuffer buffer)
      Aggressively releases native resources associated with buffer.

      • Methods inherited from class java.lang.Object

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

    • Method Detail

      • getInstance

        public static BufferPool getInstance()
        Returns:
        Instance of BufferPool which does no caching/reuse of instances.

      • allocateArray

        public byte[] allocateArray​(int size)
        Creates a new byte[] of size.
        Specified by:
        allocateArray in interface BufferPool
        Parameters:
        size - The minimum size array required. Must be >= 0.
        Returns:
        A byte[] with length of at least size.
        See Also:
        BufferPool.releaseArray(byte[])

      • releaseArray

        public void releaseArray​(byte[] buffer)
        Does nothing.
        Specified by:
        releaseArray in interface BufferPool
        Parameters:
        buffer - Instance to return to pool. Must not be null. Must not be returned more than 1 time. Must not be used by caller after return.

      • allocateDirect

        public java.nio.ByteBuffer allocateDirect​(int size)
        Allocates a direct ByteBuffer of size.
        Specified by:
        allocateDirect in interface BufferPool
        Parameters:
        size - The minimum size buffer required. Must be >= 0.
        Returns:
        A ByteBuffer of size or greater capacity.
        See Also:
        BufferPool.releaseDirect(ByteBuffer), ByteBuffer.allocateDirect(int)

      • releaseDirect

        public void releaseDirect​(java.nio.ByteBuffer buffer)
        Aggressively releases native resources associated with buffer.
        Specified by:
        releaseDirect in interface BufferPool
        Parameters:
        buffer - Instance to return to pool. Must not be null. Must not be returned more than 1 time. Must not be used by caller after return.