Package org.apache.uima.cas.impl

Class Heap

java.lang.Object
org.apache.uima.cas.impl.Heap
public final class Heap extends Object
the v2 CAS heap - used in modeling some binary (de)serialization

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final int
    DEFAULT_SIZE
    Default size of the heap.
    static final int
    MIN_SIZE
    Minimum size of the heap.

  • Constructor Summary

    Constructors
    Constructor
    Description
    Heap()
    Default constructor.
    Heap(int initialSize)
    Constructor lets you set initial heap size.

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    add(int[] fs)
    Add a structure to the heap.
    int
    add(int len, int val)
    Reserve space for len items on the heap and set the first item to val.
    int
    getInitialSize()
     
    int
    getNextId()
     
    void
    grow(int len)
     
    void
    reset()
    Reset the temporary heap.
    int[]
    toArray()
     

    Methods inherited from class java.lang.Object

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

  • Field Details

    • MIN_SIZE

      public static final int MIN_SIZE
      Minimum size of the heap. Currently set to 1000.
      See Also:

    • DEFAULT_SIZE

      public static final int DEFAULT_SIZE
      Default size of the heap. Currently set to 500000(2 MB).
      See Also:

  • Constructor Details

    • Heap

      public Heap()
      Default constructor.

    • Heap

      public Heap(int initialSize)
      Constructor lets you set initial heap size. Use only if you know what you're doing.
      Parameters:
      initialSize - The initial heap size. If this is smaller than the MIN_SIZE, the default will be used instead.

  • Method Details

    • reset

      public void reset()
      Reset the temporary heap.

    • add

      public int add(int[] fs)
      Add a structure to the heap.
      Parameters:
      fs - The input structure.
      Returns:
      The position where the structure was added, i.e., a pointer to the first element of the structure.

    • add

      public int add(int len, int val)
      Reserve space for len items on the heap and set the first item to val. The other items are set to 0.
      Parameters:
      len - The length of the new structure.
      val - The value of the first cell in the new structure.
      Returns:
      The position where the structure was added, i.e., a pointer to the first element of the structure.

    • getNextId

      public int getNextId()

    • grow

      public void grow(int len)

    • getInitialSize

      public int getInitialSize()

    • toArray

      public int[] toArray()