Package db.buffers

Class ChangeMap

java.lang.Object
db.buffers.ChangeMap
public class ChangeMap extends Object
ChangeMap facilitates the decoding of change-data to determine if a specific buffer was modified by the corresponding buffer file version.
See Also:

  • Constructor Summary

    Constructors
    Constructor
    Description
    ChangeMap(byte[] mapData)
    Constructor.

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    containsIndex(int index)
    Returns true if the specified index is within the bounds of this map.
    byte[]
    getData()
    Get the underlying change map data as a byte array
    boolean
    hasChanged(int index)
    Returns true if the change map data indicates that the specified buffer has been modified.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • ChangeMap

      public ChangeMap(byte[] mapData)
      Constructor.
      Parameters:
      mapData - change map data

  • Method Details

    • getData

      public byte[] getData()
      Get the underlying change map data as a byte array
      Returns:
      change map data

    • hasChanged

      public boolean hasChanged(int index)
      Returns true if the change map data indicates that the specified buffer has been modified.
      Parameters:
      index - buffer index

    • containsIndex

      public boolean containsIndex(int index)
      Returns true if the specified index is within the bounds of this map.