Package org.eclipse.mat.parser.index

Class IndexWriter.IntIndexCollector

java.lang.Object
org.eclipse.mat.parser.index.IndexWriter.IntIndexCollector
All Implemented Interfaces:
IIndexReader, IIndexReader.IOne2OneIndex
Enclosing class:
IndexWriter
public static class IndexWriter.IntIndexCollector extends Object implements IIndexReader.IOne2OneIndex
A collector of ArrayIntCompressed.

  • Constructor Details

    • IntIndexCollector

      public IntIndexCollector(int size, int mostSignificantBit)
      Construct a collector of the required size, holding int values up to the specified size.
      Parameters:
      size - the number of entries
      mostSignificantBit - the most significant bit set of any entry

  • Method Details

    • writeTo

      public IIndexReader.IOne2OneIndex writeTo(File indexFile) throws IOException
      Write the collector to a file.
      Parameters:
      indexFile - the file
      Returns:
      an index which holds the same values as the collector
      Throws:
      IOException - if a problem occurred with the write

    • writeTo

      public IIndexReader.IOne2OneIndex writeTo(DataOutputStream out, long position) throws IOException
      Throws:
      IOException

    • set

      public void set(int index, int value)
      Sets a value in the collector. Safe to be called concurrently from multiple threads. Not safe to mix concurrent get and set calls.

    • get

      public int get(int index)
      Gets from the collected index. Safe to be called concurrently from multiple threads. Not safe to mix concurrent get and set calls.
      Specified by:
      get in interface IIndexReader.IOne2OneIndex
      Parameters:
      index - the int key
      Returns:
      the int value

    • close

      public void close() throws IOException
      Description copied from interface: IIndexReader
      Close the backing file.
      Specified by:
      close in interface IIndexReader
      Throws:
      IOException

    • delete

      public void delete()
      Description copied from interface: IIndexReader
      Delete the backing file.
      Specified by:
      delete in interface IIndexReader

    • size

      public int size()
      Description copied from interface: IIndexReader
      Size of the index
      Specified by:
      size in interface IIndexReader
      Returns:
      number of entries

    • unload

      public void unload()
      Description copied from interface: IIndexReader
      Clear the caches. Used when the indexes are not current in use and the memory needs to be reclaimed such as when building the dominator tree.
      Specified by:
      unload in interface IIndexReader

    • getAll

      public int[] getAll(int[] index)
      Description copied from interface: IIndexReader.IOne2OneIndex
      Look up all the items from the index array and return the version in the index
      Specified by:
      getAll in interface IIndexReader.IOne2OneIndex
      Parameters:
      index - an array of items to look up
      Returns:
      an array of the result items

    • getNext

      public int[] getNext(int index, int length)
      Description copied from interface: IIndexReader.IOne2OneIndex
      Look up all the items from the index from index to index + length - 1 and return the result in the index for each on
      Specified by:
      getNext in interface IIndexReader.IOne2OneIndex
      Parameters:
      index - the start index
      length - the number of consecutive items to look up
      Returns:
      an array of the result items

    • iterator

      public IteratorInt iterator()