Package org.eclipse.mat.parser.index

Class IndexManager

java.lang.Object

org.eclipse.mat.parser.index.IndexManager

public class IndexManager
extends Object

Handles the indexes into the snapshot.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	IndexManager.Index	The different index types.

Field Summary

Fields

Modifier and Type	Field	Description
IIndexReader.IOne2SizeIndex	a2s	The index from object ID to its size, for arrays and variable sized objects
IIndexReader.IOne2OneIndex	domIn	The dominator tree index from an object to the object which dominates it.
IIndexReader.IOne2ManyIndex	domOut	The dominator tree index from an object to the objects it dominates
RetainedSizeCache	i2sv2	The cache for the retained size from the object ID
IIndexReader.IOne2LongIndex	idx	The index from object ID to its address
IIndexReader.IOne2ManyObjectsIndex	inbound	The index for objects which refer to each object
IIndexReader.IOne2OneIndex	o2c	The index from object ID to the type as a class ID
IIndexReader.IOne2LongIndex	o2ret	Index from object ID to its retained size
IIndexReader.IOne2ManyIndex	outbound	The index for objects showing what they refer to

Constructor Summary

Constructors

Constructor	Description
IndexManager()

Method Summary

Modifier and Type	Method	Description
IIndexReader.IOne2SizeIndex	a2size()	The index from array object ID and variable sized objects to the size in bytes.
IIndexReader.IOne2ManyObjectsIndex	c2objects()	The index from a class to its instances
void	close()	Closes all the index reader files
void	delete()	Delete all the index files
IIndexReader.IOne2ManyIndex	dominated()	The index reader from each object to the objects it dominates
IIndexReader.IOne2OneIndex	dominator()	The index reader for each object to the object which dominates it
IIndexReader	getReader(IndexManager.Index index)	Get the reader corresponding to the index
IIndexReader.IOne2ManyIndex	inbound()	The inbounds index for each object to its inbound references.
void	init(String prefix)	Populate all the index readers
IIndexReader.IOne2LongIndex	o2address()	The index from object ID to the object address
IIndexReader.IOne2OneIndex	o2class()	The index for each object to class.
IIndexReader.IOne2LongIndex	o2retained()	The index reader for each object to its retained size
IIndexReader.IOne2ManyIndex	outbound()	The inbounds index for each object to its outbound references.
void	setReader(IndexManager.Index index, IIndexReader reader)	Add index reader corresponding to the index to the index manager

Methods inherited from class java.lang.Object

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

Field Details

inbound

public IIndexReader.IOne2ManyObjectsIndex inbound

The index for objects which refer to each object

outbound

public IIndexReader.IOne2ManyIndex outbound

The index for objects showing what they refer to

o2c

public IIndexReader.IOne2OneIndex o2c

The index from object ID to the type as a class ID

idx

public IIndexReader.IOne2LongIndex idx

The index from object ID to its address

a2s

public IIndexReader.IOne2SizeIndex a2s

The index from object ID to its size, for arrays and variable sized objects

domOut

public IIndexReader.IOne2ManyIndex domOut

The dominator tree index from an object to the objects it dominates

o2ret

public IIndexReader.IOne2LongIndex o2ret

Index from object ID to its retained size

domIn

public IIndexReader.IOne2OneIndex domIn

The dominator tree index from an object to the object which dominates it.

i2sv2

public RetainedSizeCache i2sv2

The cache for the retained size from the object ID

No Reference:

This field is not intended to be referenced by clients.

Constructor Details

IndexManager

public IndexManager()

Method Details

setReader

public void setReader(IndexManager.Index index,
 IIndexReader reader)

Add index reader corresponding to the index to the index manager

Parameters:

index - the index to set

reader - the source for the index

getReader

public IIndexReader getReader(IndexManager.Index index)

Get the reader corresponding to the index

Parameters:

index - the index

Returns:

the reader

init

public void init(String prefix)
          throws IOException

Populate all the index readers

Parameters:

prefix - the prefix of the snapshot

Throws:

IOException - if a problem occurred reading the indices

inbound

public IIndexReader.IOne2ManyIndex inbound()

The inbounds index for each object to its inbound references.

Returns:

the index reader

outbound

public IIndexReader.IOne2ManyIndex outbound()

The inbounds index for each object to its outbound references.

Returns:

the index reader

o2class

public IIndexReader.IOne2OneIndex o2class()

The index for each object to class.

Returns:

the index reader

c2objects

public IIndexReader.IOne2ManyObjectsIndex c2objects()

The index from a class to its instances

Returns:

the index reader

o2address

public IIndexReader.IOne2LongIndex o2address()

The index from object ID to the object address

Returns:

the index reader for the object address

a2size

public IIndexReader.IOne2SizeIndex a2size()

The index from array object ID and variable sized objects to the size in bytes.

Since:

1.0

dominated

public IIndexReader.IOne2ManyIndex dominated()

The index reader from each object to the objects it dominates

Returns:

the index reader

o2retained

public IIndexReader.IOne2LongIndex o2retained()

The index reader for each object to its retained size

Returns:

the index reader

dominator

public IIndexReader.IOne2OneIndex dominator()

The index reader for each object to the object which dominates it

Returns:

the index reader

close

public void close()
           throws IOException

Closes all the index reader files

Throws:

IOException - if there is a problem closing the files

delete

public void delete()
            throws IOException

Delete all the index files

Throws:

IOException - if there is a problem deleting the files