com.sun.mdm.index.matching.impl
Class SerialBlockPicker

java.lang.Object
  com.sun.mdm.index.matching.impl.SerialBlockPicker

All Implemented Interfaces:

BlockPicker

public class SerialBlockPicker

extends java.lang.Object

implements BlockPicker

A user extensible component to pick the next block definition to use for the next matching pass. This simple implementation just sequentially picks the next block definition from the remaining block IDs list.

Constructor Summary

SerialBlockPicker()
Creates new SerialBlockPicker

Method Summary

java.lang.String[]

pickBlock(SystemObject inObject, EOSearchOptions searchOptions, java.util.ArrayList previousBlockIDs, java.util.ArrayList remainingBlockIDs) Picks the next block, serially in the order defined by the user.

Methods inherited from class java.lang.Object

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

Constructor Detail

SerialBlockPicker

public SerialBlockPicker()

Creates new SerialBlockPicker

Method Detail

pickBlock

public java.lang.String[] pickBlock(SystemObject inObject,
                                    EOSearchOptions searchOptions,
                                    java.util.ArrayList previousBlockIDs,
                                    java.util.ArrayList remainingBlockIDs)
                             throws NoBlockApplicableException

Picks the next block, serially in the order defined by the user. Only picks one block per pass.

Specified by:

pickBlock in interface BlockPicker

Parameters:

inObject - the SystemObject to match

searchOptions - the options used for the search. From this it is possible to tell whether it is a weighted search or a normal match.

previousBlockIDs - the list of block IDs that have already been used in previous match passes for matching this SystemObject

remainingBlockIDs - a list of remaining block IDs that have not yet been used in previous match passes for matching this SystemObject

Returns:

the blockID to use for the next match pass

Throws:

NoBlockApplicableException - if no block IDs remain that are applicable This signals the MatchEngineController that matching for this SystemObject is complete