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 java.lang.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 voidclose()Close the backing file.voiddelete()Delete the backing file.intget(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 onIteratorIntiterator()voidset(int index, int value)intsize()Size of the indexvoidunload()Clear the caches.IIndexReader.IOne2OneIndexwriteTo(java.io.DataOutputStream out, long position)IIndexReader.IOne2OneIndexwriteTo(java.io.File indexFile)Write the collector to a file.
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Method Detail
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writeTo
public IIndexReader.IOne2OneIndex writeTo(java.io.File indexFile) throws java.io.IOException
Write the collector to a file.- Parameters:
indexFile- the file- Returns:
- an index which holds the same values as the collector
- Throws:
java.io.IOException- if a problem occurred with the write
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writeTo
public IIndexReader.IOne2OneIndex writeTo(java.io.DataOutputStream out, long position) throws java.io.IOException
- Throws:
java.io.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.IOne2OneIndexLook up an int in the underlying index- Specified by:
getin interfaceIIndexReader.IOne2OneIndex- Parameters:
index- the int key- Returns:
- the int value
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close
public void close() throws java.io.IOExceptionDescription copied from interface:IIndexReaderClose the backing file.- Specified by:
closein interfaceIIndexReader- Throws:
java.io.IOException
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delete
public void delete()
Description copied from interface:IIndexReaderDelete the backing file.- Specified by:
deletein interfaceIIndexReader
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size
public int size()
Description copied from interface:IIndexReaderSize of the index- Specified by:
sizein interfaceIIndexReader- Returns:
- number of entries
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unload
public void unload()
Description copied from interface:IIndexReaderClear 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:
unloadin interfaceIIndexReader
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getAll
public int[] getAll(int[] index)
Description copied from interface:IIndexReader.IOne2OneIndexLook up all the items from the index array and return the version in the index- Specified by:
getAllin 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.IOne2OneIndexLook 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:
getNextin 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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