Package org.eclipse.mat.parser.index
Class IndexWriter.IntIndexCollector
- java.lang.Object
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- org.eclipse.mat.parser.index.IndexWriter.IntIndexCollector
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- All Implemented Interfaces:
IIndexReader
,IIndexReader.IOne2OneIndex
- Enclosing class:
- IndexWriter
public static class IndexWriter.IntIndexCollector extends Object implements IIndexReader.IOne2OneIndex
A collector of ArrayIntCompressed.
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Nested Class Summary
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Nested classes/interfaces inherited from interface org.eclipse.mat.parser.index.IIndexReader
IIndexReader.IOne2LongIndex, IIndexReader.IOne2ManyIndex, IIndexReader.IOne2ManyObjectsIndex, IIndexReader.IOne2OneIndex, IIndexReader.IOne2SizeIndex
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Constructor Summary
Constructors Constructor Description IntIndexCollector(int size, int mostSignificantBit)
Construct a collector of the required size, holding int values up to the specified size.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
close()
Close the backing file.void
delete()
Delete the backing file.int
get(int index)
Look up an int in the underlying indexint[]
getAll(int[] index)
Look up all the items from the index array and return the version in the indexint[]
getNext(int index, int length)
Look up all the items from the index from index to index + length - 1 and return the result in the index for each onIteratorInt
iterator()
void
set(int index, int value)
int
size()
Size of the indexvoid
unload()
Clear the caches.IIndexReader.IOne2OneIndex
writeTo(DataOutputStream out, long position)
IIndexReader.IOne2OneIndex
writeTo(File indexFile)
Write the collector to a file.
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Method Detail
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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
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writeTo
public IIndexReader.IOne2OneIndex writeTo(DataOutputStream out, long position) throws IOException
- Throws:
IOException
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set
public void set(int index, int value)
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get
public int get(int index)
Description copied from interface:IIndexReader.IOne2OneIndex
Look up an int in the underlying index- Specified by:
get
in interfaceIIndexReader.IOne2OneIndex
- Parameters:
index
- the int key- Returns:
- the int value
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close
public void close() throws IOException
Description copied from interface:IIndexReader
Close the backing file.- Specified by:
close
in interfaceIIndexReader
- Throws:
IOException
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delete
public void delete()
Description copied from interface:IIndexReader
Delete the backing file.- Specified by:
delete
in interfaceIIndexReader
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size
public int size()
Description copied from interface:IIndexReader
Size of the index- Specified by:
size
in interfaceIIndexReader
- Returns:
- number of entries
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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 interfaceIIndexReader
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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 interfaceIIndexReader.IOne2OneIndex
- Parameters:
index
- an array of items to look up- Returns:
- an array of the result items
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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 interfaceIIndexReader.IOne2OneIndex
- Parameters:
index
- the start indexlength
- the number of consecutive items to look up- Returns:
- an array of the result items
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iterator
public IteratorInt iterator()
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