Java Doc for ContextIDMapping.java in  » Database-DBMS » db4o-6.4 » com » db4o » defragment » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » db4o 6.4 » com.db4o.defragment 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


com.db4o.defragment.ContextIDMapping

All known Subclasses:   com.db4o.defragment.AbstractContextIDMapping,
ContextIDMapping
public interface ContextIDMapping (Code)
The ID mapping used internally during a defragmentation run.
See Also:   Defragment




Method Summary
 voidclose()
     Shuts down the mapping after use.
 voidmapIDs(int origID, int mappedID, boolean isClassID)
     Registers a mapping for the given IDs.
 intmappedID(int origID, boolean lenient)
     Returns a previously registered mapping ID for the given ID if it exists. If lenient mode is set to true, will provide the mapping ID for the next smaller original ID a mapping exists for.
 voidopen()
     Prepares the mapping for use.



Method Detail
close
void close()(Code)
Shuts down the mapping after use.



mapIDs
void mapIDs(int origID, int mappedID, boolean isClassID)(Code)
Registers a mapping for the given IDs.
Parameters:
  origID - The original ID
Parameters:
  mappedID - The ID to be mapped to the original ID.
Parameters:
  isClassID - true if the given original ID specifies a class slot, false otherwise.



mappedID
int mappedID(int origID, boolean lenient)(Code)
Returns a previously registered mapping ID for the given ID if it exists. If lenient mode is set to true, will provide the mapping ID for the next smaller original ID a mapping exists for. Otherwise returns 0.
Parameters:
  origID - The original ID
Parameters:
  lenient - If true, lenient mode will be used for lookup, strict mode otherwise. The mapping ID for the given original ID or 0, if none has been registered.



open
void open()(Code)
Prepares the mapping for use.



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