Module openj9.dtfj
Package com.ibm.j9ddr.vm29.j9

Class Pool<StructType extends DataType>

java.lang.Object
com.ibm.j9ddr.vm29.j9.Pool<StructType>
Direct Known Subclasses:
Pool_29_V0
public abstract class Pool<StructType extends DataType> extends Object

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    protected long
    elementSize
     
    protected static final Logger
    logger
     
    protected com.ibm.j9ddr.vm29.pointer.generated.J9PoolPointer
    pool
     
    protected Class<StructType>
    structType
     

  • Constructor Summary

    Constructors
    Modifier
    Constructor
    Description
    protected
    Pool(com.ibm.j9ddr.vm29.pointer.generated.J9PoolPointer structure, Class<T> structType)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    abstract long
    capacity()
    Returns the total capacity of a pool
    static <T extends DataType>
    Pool<T>
    fromJ9Pool(com.ibm.j9ddr.vm29.pointer.generated.J9PoolPointer structure, Class<T> structType)
    Factory method to construct an appropriate pool handler.
    static <T extends DataType>
    Pool<T>
    fromJ9Pool(com.ibm.j9ddr.vm29.pointer.generated.J9PoolPointer structure, Class<T> structType, boolean isInline)
     
    abstract boolean
    includesElement(StructType anElement)
    See if an element is currently allocated from a pool.
    abstract SlotIterator<StructType>
    iterator()
    Returns an iterator over the elements in the pool
    abstract long
    numElements()
    Returns the number of elements in a given pool.

    Methods declared in class java.lang.Object

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

  • Field Details

    • pool

      protected com.ibm.j9ddr.vm29.pointer.generated.J9PoolPointer pool

    • structType

      protected Class<StructType extends DataType> structType

    • elementSize

      protected long elementSize

    • logger

      protected static final Logger logger

  • Constructor Details

  • Method Details

    • fromJ9Pool

      public static <T extends DataType> Pool<T> fromJ9Pool(com.ibm.j9ddr.vm29.pointer.generated.J9PoolPointer structure, Class<T> structType) throws CorruptDataException
      Factory method to construct an appropriate pool handler.
      Type Parameters:
      T -
      Parameters:
      structure - the J9Pool structure to use
      Returns:
      an instance of Pool
      Throws:
      CorruptDataException

    • fromJ9Pool

      public static <T extends DataType> Pool<T> fromJ9Pool(com.ibm.j9ddr.vm29.pointer.generated.J9PoolPointer structure, Class<T> structType, boolean isInline) throws CorruptDataException
      Throws:
      CorruptDataException

    • numElements

      public abstract long numElements()
      Returns the number of elements in a given pool.
      Returns:
      the number of elements in the pool

    • capacity

      public abstract long capacity()
      Returns the total capacity of a pool
      Returns:
      the capacity of the pool

    • includesElement

      public abstract boolean includesElement(StructType anElement)
      See if an element is currently allocated from a pool.
      Returns:
      boolean - true if the element is allocated, false otherwise

    • iterator

      public abstract SlotIterator<StructType> iterator()
      Returns an iterator over the elements in the pool
      Returns:
      an Iterator