Package org.eclipse.mat.parser.index

Class IndexWriter.IntArray1NWriter

java.lang.Object

org.eclipse.mat.parser.index.IndexWriter.IntArray1NWriter

Direct Known Subclasses:

IndexWriter.IntArray1NSortedWriter

Enclosing class:

IndexWriter

public static class IndexWriter.IntArray1NWriter
extends Object

Write out a mapping of ints to int arrays.

Constructor Summary

Constructors

Constructor	Description
IntArray1NWriter(int size, File indexFile)	Construct a writer of the required size.

Method Summary

Modifier and Type	Method	Description
void	cancel()	Terminate the IntArray1NWriter and delete any file which has been written so far.
IIndexReader.IOne2ManyIndex	flush()	Finishes writing out everything
File	getIndexFile()	Get the index file.
void	log(int index, int[] values)	must not contain duplicates!
void	log(int index, ArrayInt references)	must not contain duplicates!
void	log(IIndexReader.IOne2LongIndex identifier, int index, ArrayLong references)	Used to record the addresses as IDs.
void	log(IndexWriter.Identifier identifier, int index, ArrayLong references)	Used to record the addresses as IDs.

Methods inherited from class java.lang.Object

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

Constructor Details

IntArray1NWriter

public IntArray1NWriter(int size,
 File indexFile)
                 throws IOException

Construct a writer of the required size.

Parameters:

size - the number of entries

indexFile - the file to be written to

Throws:

IOException - if there is a problem writing the file

Method Details

log

public void log(IndexWriter.Identifier identifier,
 int index,
 ArrayLong references)
         throws IOException

Used to record the addresses as IDs.

Parameters:

identifier - used to map references to IDs

index - the index associated with these references

references - the references (should be in identifier otherwise ignored)

Throws:

IOException - if there is a problem writing the data

log

public void log(IIndexReader.IOne2LongIndex identifier,
 int index,
 ArrayLong references)
         throws IOException

Used to record the addresses as IDs. Sorts the references in order (except the first) and removes duplicates.

Parameters:

identifier - used to map references to IDs

index - the index associated with these references

references - the references (should be in identifier otherwise ignored)

Throws:

IOException - if there is a problem writing the data

Since:

1.2

log

public void log(int index,
 ArrayInt references)
         throws IOException

must not contain duplicates!

Throws:

IOException

log

public void log(int index,
 int[] values)
         throws IOException

must not contain duplicates!

Throws:

IOException

flush

public IIndexReader.IOne2ManyIndex flush()
                                  throws IOException

Finishes writing out everything

Returns:

a reader for the data

Throws:

IOException - if there is a problem writing the data

cancel

public void cancel()

Terminate the IntArray1NWriter and delete any file which has been written so far. Use to cancel part way through.

getIndexFile

public File getIndexFile()

Get the index file.

Returns:

the file