Package org.eclipse.mat.parser.index

Class IndexReader.IntIndex1NSortedReader

java.lang.Object

org.eclipse.mat.parser.index.IndexReader.IntIndex1NSortedReader

All Implemented Interfaces:

IIndexReader, IIndexReader.IOne2ManyIndex

Enclosing class:

IndexReader

public static class IndexReader.IntIndex1NSortedReader
extends Object

Nested Class Summary

Nested classes/interfaces inherited from interface org.eclipse.mat.parser.index.IIndexReader

IIndexReader.IOne2LongIndex, IIndexReader.IOne2ManyIndex, IIndexReader.IOne2ManyObjectsIndex, IIndexReader.IOne2OneIndex, IIndexReader.IOne2SizeIndex

Constructor Summary

Constructors

Constructor	Description
IntIndex1NSortedReader(File indexFile)
IntIndex1NSortedReader(File indexFile, IIndexReader.IOne2OneIndex header, IIndexReader.IOne2OneIndex body)

Method Summary

Modifier and Type	Method	Description
void	close()	Close the backing file.
void	delete()	Delete the backing file.
int[]	get(int index)	The header holds positions encoded as p+1 into the body There is no length field - the length is up to the next one, which is greater than the first.
int	size()	Size of the index
void	unload()	Clear the caches.

Methods inherited from class java.lang.Object

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

Constructor Details

IntIndex1NSortedReader

public IntIndex1NSortedReader(File indexFile)
                       throws IOException

Throws:

IOException

IntIndex1NSortedReader

public IntIndex1NSortedReader(File indexFile,
 IIndexReader.IOne2OneIndex header,
 IIndexReader.IOne2OneIndex body)
                       throws IOException

Throws:

IOException

Method Details

get

public int[] get(int index)

The header holds positions encoded as p+1 into the body There is no length field - the length is up to the next one, which is greater than the first. 0 means no data E.g. 10 6 1 0 14 Reading item 0 gets from [10,14) Reading item 1 gets from [6,14) Reading item 2 gets from [1,14) Reading item 3 gets an empty array

Specified by:

get in interface IIndexReader.IOne2ManyIndex

Returns:

an array holding the object IDs

close

public void close()

Description copied from interface: IIndexReader

Close the backing file.

Specified by:

close in interface IIndexReader

unload

public void unload()
            throws IOException

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

Throws:

IOException

size

public int size()

Description copied from interface: IIndexReader

Size of the index

Specified by:

size in interface IIndexReader

Returns:

number of entries

delete

public void delete()

Description copied from interface: IIndexReader

Delete the backing file.

Specified by:

delete in interface IIndexReader