org.apache.lucene.facet.taxonomy.directory
Class DirectoryTaxonomyWriter.MemoryOrdinalMap

java.lang.Object
  extended by org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter.MemoryOrdinalMap
All Implemented Interfaces:
DirectoryTaxonomyWriter.OrdinalMap
Enclosing class:
DirectoryTaxonomyWriter

public static final class DirectoryTaxonomyWriter.MemoryOrdinalMap
extends Object
implements DirectoryTaxonomyWriter.OrdinalMap

DirectoryTaxonomyWriter.OrdinalMap maintained in memory


Constructor Summary
DirectoryTaxonomyWriter.MemoryOrdinalMap()
           
 
Method Summary
 void addDone()
          Call addDone() to say that all addMapping() have been done.
 void addMapping(int origOrdinal, int newOrdinal)
           
 int[] getMap()
          Return the map from the taxonomy's original (consecutive) ordinals to the new taxonomy's ordinals.
 void setSize(int taxonomySize)
          Set the size of the map.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

DirectoryTaxonomyWriter.MemoryOrdinalMap

public DirectoryTaxonomyWriter.MemoryOrdinalMap()
Method Detail

setSize

public void setSize(int taxonomySize)
Description copied from interface: DirectoryTaxonomyWriter.OrdinalMap
Set the size of the map. This MUST be called before addMapping(). It is assumed (but not verified) that addMapping() will then be called exactly 'size' times, with different origOrdinals between 0 and size-1.

Specified by:
setSize in interface DirectoryTaxonomyWriter.OrdinalMap

addMapping

public void addMapping(int origOrdinal,
                       int newOrdinal)
Specified by:
addMapping in interface DirectoryTaxonomyWriter.OrdinalMap

addDone

public void addDone()
Description copied from interface: DirectoryTaxonomyWriter.OrdinalMap
Call addDone() to say that all addMapping() have been done. In some implementations this might free some resources.

Specified by:
addDone in interface DirectoryTaxonomyWriter.OrdinalMap

getMap

public int[] getMap()
Description copied from interface: DirectoryTaxonomyWriter.OrdinalMap
Return the map from the taxonomy's original (consecutive) ordinals to the new taxonomy's ordinals. If the map has to be read from disk and ordered appropriately, it is done when getMap() is called. getMap() should only be called once, and only when the map is actually needed. Calling it will also free all resources that the map might be holding (such as temporary disk space), other than the returned int[].

Specified by:
getMap in interface DirectoryTaxonomyWriter.OrdinalMap


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